CN107528825A

CN107528825A - A kind of resource downloading method, terminal and computer-readable recording medium

Info

Publication number: CN107528825A
Application number: CN201710548091.6A
Authority: CN
Inventors: 乐亮
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2017-07-06
Filing date: 2017-07-06
Publication date: 2017-12-29

Abstract

The invention discloses a kind of resource downloading method,Terminal and computer-readable recording medium,By obtaining resources to be downloaded corresponding source download address and corresponding distribution download address on caching server on source server,Source download address and distribution download address according to getting read the data resource in resources to be downloaded same position respectively and are compared from source server and caching server,Then judged whether to download the resources to be downloaded from caching server according to comparative result,Namely in this programme before the resources to be downloaded are downloaded from caching server,Can identifies whether the resources to be downloaded are reliable in advance,So as to handle in advance the resources to be downloaded,Because this programme need not get off the complete file download of resources to be downloaded with regard to that can judge whether the resources to be downloaded are reliable,So as to save the time of user,Save the occupancy of bandwidth,Improve the satisfaction of Consumer's Experience.

Description

A kind of resource downloading method, terminal and computer-readable recording medium

Technical field

The present invention relates to communication technical field, more particularly to a kind of resource downloading method, terminal and computer-readable storage Medium.

Background technology

In existing communication system, smart machine and traditional computer when downloading file are provided by service provider Locating resource is carried out in address to URL (Uniform Resource Locator, URL), but is driven by interests, It is likely to cause user please in unsafe public network or in the case that router device is invaded by rogue program Ask intercepted, for example, when user clicks on a download link by terminal, invasion side may be in terminal by download link pair During the domain name answered is converted to IP address, the IP (Internet of user access resources are replaced using the abduction of domain name Protocol, Internet protocol) address, in other words, invasion side may modify correct resource reference address, this Sample, the resource that user is downloaded to by resource reference address are probably harmful resource to be not the desired money of user Source, so needing means to confirm the reliability of resource downloading.

For resource downloading, because the bandwidth of its occupancy is more, concurrent request is high, so generally larger money Source ISP can improve the download of user by CDN (Content Delivery Network, content distributing network) Performance, specifically some caching servers are distributed in area or the network that user accesses Relatively centralized, in source station Content is buffered in these caching servers, and when user accesses website, the access of user is pointed into closest work On normal caching server, asked by caching server directly in response to user, whether resource downloading reliably then transfers to CDN service Provider that is to say to ensure and transfer to caching server to ensure.And in general (invader is by correct resource for Domain Hijacking The process that reference address is modified) all it is just to be had occurred that before resource access request not yet reaches caching server, Do not gone to control by the quality of CDN service, so still needing means to confirm resource while with CDN or similar service Reliability.It is typically all after complete resource file is downloaded in existing scheme, passes through similar MD5 (Message Digest Algorithm MD5, eap-message digest the 5th edition) algorithm calculate the unique value of whole resource file, and same source station In value corresponding to the resource file contrasted.Although this scheme can define the validity of resource, poor-performing both consumed Having taken the time also takes up user bandwidth, it is impossible to carries out the identification of resource reliability as early as possible, resource is just able to verify that after the completion of download Whether abnormal, Consumer's Experience is bad.

The content of the invention

The technical problem to be solved in the present invention is：It can only be finished complete resource file is downloaded in the prior art Afterwards, the reliability of the resource file could be verified, causes the reliability of the resource file can not be identified as early as possible, Cause to lose time, take user bandwidth, the problem of Consumer's Experience is bad.

In order to solve the above technical problems, the present invention provides a kind of resource downloading method, including：

Obtain resources to be downloaded corresponding source download address and corresponding distribution on caching server on source server Download address；

According to the source download address and the distribution download address respectively from the source server and the buffer service The data resource in the resources to be downloaded same position is read on device；Read from the source server and the caching server The data resource taken is a part of data resource of the resources to be downloaded；

The number in resources to be downloaded same position that will be read respectively from the source server and the caching server It is compared according to resource；

Judged whether to download the resources to be downloaded from the caching server according to comparative result.

Further, the data resource by the resources to be downloaded same position read respectively be compared including：

Data money in the resources to be downloaded same position that will be read from the source server and the caching server Source contents are compared；

Or,

According to the default checking algorithm money to be downloaded to being read from the source server and the caching server respectively Data resource in the same position of source carries out that check value is calculated, and the check value being calculated is compared.

Further, it is described according to the source download address and the distribution download address respectively from the source server and Include before the data resource in the resources to be downloaded same position is read on the caching server：

The size of the resources to be downloaded is obtained from the source server according to the source download address, and according to described The size of resources to be downloaded determines to be used for the portion for indicating the resources to be downloaded on the source server and the caching server The reading address that divided data resource is read, the size of the resources to be downloaded are more than data resource corresponding to the reading address Size；

Or,

First address and the tail address of the resources to be downloaded are obtained from the source server according to the source download address, According to the first address and the tail address determine on the source server and the caching server be used for indicate described in treat down Carry the reading address that the partial data resource of resource is read, the reading address between the first address and the tail address it Between.

Further, it is described according to the source download address and the distribution when it is determined that reading address including at least 2 Download address reads the number in the resources to be downloaded same position from the source server and the caching server respectively According to resource, and by the data resource in the resources to be downloaded same position read respectively be compared including：

Selection one reads address as target from the reading address；

The resources to be downloaded same target is read from the source server and the caching server respectively and reads ground Data resource on location；

The target read is read into the data resource on address to be compared, and selected from remaining reading address One is selected as new target and reads address, and according to the new target read address carry out the reading of data resource with than Compared with until being read according to all reading addresses from the source server and the caching server and completeer same position On data resource.

Further, the data resource that the target read is read on address also wraps after being compared Include：

The resources to be downloaded same target for judging to read from the source server and the caching server reads address On data resource it is whether consistent, in this way, selection one reads address as new target from remaining reading address again, Otherwise, stop selecting new target to read address from remaining reading address.

Further, it is described to be judged whether to download the resources to be downloaded from the caching server according to comparative result Including：

Exist in the comparative result data resource that is read from the source server with from the caching server During the inconsistent comparative result of data resource in the same position of middle reading, judge that the distribution download address is invalid, otherwise, Judge to download the resources to be downloaded from the caching server according to the distribution download address.

Further, it is described that the resources to be downloaded are downloaded from the caching server according to the distribution download address Including：

To the number in the resources to be downloaded on the caching server in addition to data resource corresponding to the same position It is downloaded according to resource.

Further, methods described be additionally included in judge it is described distribution download address it is invalid when, according to the source download ground The resources to be downloaded are downloaded from the source server in location.

Further, the present invention also provides a kind of terminal, and the terminal includes：Processor, memory and it is stored in described On memory and the resource downloading program that can run on the processor, the resource downloading program is by the computing device Shi Shixian as described above any resource downloading method the step of.

Further, it is described computer-readable to be stored with money present invention also offers a kind of computer-readable recording medium Source downloads, and the resource downloading program realizes the step of any one resource downloading method as described above when being performed Suddenly.

Beneficial effect

Resource downloading method, terminal and computer-readable recording medium proposed by the present invention, by obtaining resources to be downloaded Corresponding source download address and the corresponding distribution download address on caching server on source server, according to the source got Download address and distribution download address are read in resources to be downloaded same position from source server and caching server respectively Data resource, the data resource in the resources to be downloaded same position read respectively from source server and caching server is entered Row compares, and the data resource read from source server and caching server is a part of data resource of the resources to be downloaded, Then judged whether to download the resources to be downloaded from caching server according to comparative result, namely above and below caching server Before carrying the resources to be downloaded, the number in the resources to be downloaded same position will be read from caching server and source server According to resource and it is compared, so as to identify whether resource is reliable before the resources to be downloaded are downloaded, compared to existing skill Need to get off the complete file download of the resources to be downloaded for the scheme for carrying out reliability verification in art, this programme is due to can To identify whether the resources to be downloaded are reliable in advance, so as to handle in advance the resources to be downloaded, and due to This programme need not get off the complete file download of resources to be downloaded with regard to that can judge whether the resources to be downloaded are reliable, so as to Save the time of user, save the occupancy of bandwidth, improve the satisfaction of Consumer's Experience.

Brief description of the drawings

Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the present invention；

Fig. 2 is the communications network system framework map of the mobile terminal shown in Fig. 1；

Fig. 3 is the schematic flow sheet of resource downloading method in first embodiment of the invention；

Fig. 4 is the first pass schematic diagram that address is read in generation in first embodiment of the invention；

Fig. 5 is the second procedure schematic diagram that address is read in generation in first embodiment of the invention；

Fig. 6 is the schematic flow sheet for the data resource for comparing reading in first embodiment of the invention；

Fig. 7 is the schematic flow sheet of resource downloading method in second embodiment of the invention；

Fig. 8 is the structural representation of terminal in third embodiment of the invention；

Fig. 9 is the structural representation of terminal in fourth embodiment of the invention.

Embodiment

It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.

In follow-up description, the suffix using such as " module ", " part " or " unit " for representing element is only Be advantageous to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " part " or " unit " can mix Ground uses.

Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone, flat board Computer, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable Media player (Portable Media Player, PMP), guider, wearable device, Intelligent bracelet, pedometer etc. move Dynamic terminal, and the fixed terminal such as digital TV, desktop computer.

It will be illustrated in subsequent descriptions by taking mobile terminal as an example, it will be appreciated by those skilled in the art that except special Outside element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.

Referring to Fig. 1, its hardware architecture diagram for a kind of mobile terminal of each embodiment of the realization present invention, the shifting Dynamic terminal 100 can include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit 103rd, A/V (audio/video) input block 104, sensor 105, display unit 106, user input unit 107, interface unit 108th, the part such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1 Mobile terminal structure does not form the restriction to mobile terminal, and mobile terminal can be included than illustrating more or less parts, Either combine some parts or different parts arrangement.

The all parts of mobile terminal are specifically introduced with reference to Fig. 1：

Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station Downlink information receive after, handled to processor 110；In addition, up data are sent to base station.Generally, radio frequency unit 101 Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrate Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..

WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102 Sub- mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 1 shows Go out WiFi module 102, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can be according to need To be omitted in the essential scope for do not change invention.

Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100 When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is receiving or It is sound that the voice data stored in memory 109, which is converted into audio signal and exported,.Moreover, audio output unit 103 The audio output related to the specific function that mobile terminal 100 performs can also be provided (for example, call signal receives sound, disappeared Breath receives sound etc.).Audio output unit 103 can include loudspeaker, buzzer etc..

A/V input blocks 104 are used to receive audio or video signal.A/V input blocks 104 can include graphics processor (Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after the processing of graphics processor 1041 can be deposited Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042 Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model. Microphone 1042 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound Caused noise or interference during frequency signal.

Mobile terminal 100 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 100 is moved in one's ear Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general For three axles) size of acceleration, size and the direction of gravity are can detect that when static, the application available for identification mobile phone posture (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.； The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.

Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can wrap Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.

User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071 with And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch operation of the user on or near it (for example user uses any suitable objects or annex such as finger, stylus on contact panel 1071 or in contact panel 1071 Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include touch detection Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it Contact coordinate is converted into, then gives processor 110, and the order sent of reception processing device 110 and can be performed.In addition, can To realize contact panel 1071 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel 1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc. One or more, do not limit herein specifically.

Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel 1061 be the part independent as two to realize the input of mobile terminal and output function, but in certain embodiments, can Input and the output function of mobile terminal are realized so that contact panel 1071 and display panel 1061 is integrated, is not done herein specifically Limit.

Interface unit 108 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 100.For example, External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with For transmitting data between mobile terminal 100 and external device (ED).

Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.

Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection Individual part, by running or performing the software program and/or module that are stored in memory 109, and call and be stored in storage Data in device 109, the various functions and processing data of mobile terminal are performed, so as to carry out integral monitoring to mobile terminal.Place Reason device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.

Mobile terminal 100 can also include the power supply 111 (such as battery) to all parts power supply, it is preferred that power supply 111 Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put The function such as electricity and power managed.

Although Fig. 1 is not shown, mobile terminal 100 can also will not be repeated here including bluetooth module etc..

For the ease of understanding the embodiment of the present invention, the communications network system being based on below to the mobile terminal of the present invention enters Row description.

Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system Unite as the LTE system of universal mobile communications technology, the UE that the LTE system includes communicating connection successively (User Equipment, is used Family equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS lands Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation 204。

Specifically, UE201 can be above-mentioned terminal 100, and here is omitted.

E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning Journey (backhaul) (such as X2 interface) is connected with other eNodeB2022, and eNodeB2021 is connected to EPC203, ENodeB2021 can provide UE201 to EPC203 access.

EPC203 can include MME (Mobility Management Entity, mobility management entity) 2031, HSS (Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way, Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and The control node of signaling between EPC203, there is provided carrying and connection management.HSS2032 is all to manage for providing some registers Such as the function of attaching position register (not shown) etc, and preserve some and used about service features, data rate etc. The special information in family.All customer data can be transmitted by SGW2034, and PGW2035 can provide UE 201 IP Address is distributed and other functions, and PCRF2036 is strategy and the charging control strategic decision-making of business data flow and IP bearing resources Point, it selects and provided available strategy and charging control decision-making with charge execution function unit (not shown) for strategy.

IP operation 204 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia System) or other IP operations etc..

Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with And following new network system etc., do not limit herein.

Based on above-mentioned mobile terminal hardware configuration and communications network system, each embodiment of the inventive method is proposed.

First embodiment

In order to solve in the prior art can only by complete resource file download finish after, could be to the resource file Reliability verified, cause the reliability of the resource file can not be identified as early as possible, cause to lose time, take use Family bandwidth, the problem of Consumer's Experience is bad, the present embodiment provides a kind of resource downloading method, shown in Figure 3, including：

S301：Obtain resources to be downloaded on source server corresponding source download address and on caching server corresponding to Distribute download address.

It should be appreciated that the source server in the present embodiment refers to the origin server of the resources to be downloaded, that is to say The server of the original storage resources to be downloaded, and caching server refers to the server for caching the resources to be downloaded, caching clothes Business device can obtain the download resource from source server, and the resources to be downloaded are preserved, generally, for a net For network system, user access Relatively centralized area or node in be all distributed with caching server, the money in source server Source can be cached in caching server, during a certain by the terminal downloads resources to be downloaded of such user, just do not have to take from source The resources to be downloaded are accessed in business device, but directly can be downloaded nearby from caching server, can so save access money The time in source, therefore, for step S301, the resources to be downloaded are all stored with source server and caching server.

In order to preferably be understood, illustrated here so that user is by terminal downloads " QQ applications " as an example, Yong Hu QQ applications download link therein is clicked on after a certain network address is opened in terminal, at this moment source server and caching server can be to Terminal return store the QQ application domain name addresses, terminal carried out after the two domain name addresses are received domain name mapping by this two Individual domain name addresses is converted into IP address, and it is right respectively on source server and caching server that the two IP address that is to say that QQ applies The source download address and distribution download address answered.

S302：Read respectively from source server and caching server according to the source download address of acquisition and distribution download address Take the data resource in the resources to be downloaded same position.

The data resource read in step S302 from source server and caching server is one of the resources to be downloaded Divided data resource, it that is to say and do not read the complete file of resources to be downloaded, but have read the one of resources to be downloaded Partial data resource.

It should be noted that can be from random read take resources to be downloaded on source server and caching server in the present embodiment Partial data resource, as long as ensureing that the data resource that is read from source server and the data read from caching server provide Source is the data resource belonged in the resources to be downloaded same position.

S303：Data in the resources to be downloaded same position read respectively from source server and caching server are provided Source is compared.

For step S303, manner of comparison therein can specifically include：

Mode one：By the data resource in the resources to be downloaded same position read from source server and caching server Content be compared, that is to say and binary system comparison is carried out to the content of reading；

Or,

Mode two：According to default checking algorithm resources to be downloaded to being read from source server and caching server respectively Data resource in same position carries out that check value is calculated, and the check value being calculated is compared, school therein Checking method can be the arbitrary checking algorithm set by developer, for example, it may be MD5 algorithms.

In certain embodiments, can be in combination with two kinds of above-mentioned ratios if multiple discontinuous same positions be present It is compared compared with mode.For example, work as according to source download address and distribution download address respectively from source server and caching server On when have read the data resource on the resources to be downloaded location A and B location, can be to being treated on source server and caching server The comparison that corresponding data resource on resource location A carries out data resource using aforesaid way one is downloaded, source server is eased up Deposit the comparison that corresponding data resource uses aforesaid way two to carry out data resource on resources to be downloaded B location on server.

S304：Judged whether to download the resources to be downloaded from caching server according to comparative result.

In certain embodiments, specifically may refer to shown in Fig. 4, according to source download address and distribution download address difference It can also include such as before the data resource in the resources to be downloaded same position is read from source server and caching server Lower step：

S401：The size of resources to be downloaded is obtained from source server according to source download address.

S402：Determine to be used to indicate the money to be downloaded on source server and caching server according to the size of resources to be downloaded The reading address that the partial data resource in source is read.

It should be noted that the reading address in the present embodiment can generate at random, as long as ensureing the resources to be downloaded Size is more than the size for reading data resource corresponding to address, if for example, the size of resources to be downloaded is 2MB, reads The size of data resource indicated by address should be less than 2MB.After determining and reading address, could according to source download address and Distribution download address respectively from source server with read on caching server the resources to be downloaded it is identical read address on data Resource is simultaneously compared.

It should be noted that a reading address can only correspond to a data in the present embodiment, now, in step S402 Continuous reading address can be included in the reading address of determination, discrete reading address can also be included, for purposes of illustration only, this In will continuously read address and be referred to as a reading group of addresses, namely one is read in group of addresses and continuous reads ground comprising multiple Location, when determining multiple reading group of addresses, each size for reading data resource corresponding to group of addresses can with different, It is the reading address that varying number can be included in different reading group of addresses, for example, when the size of resources to be downloaded is 2MB When, multiple reading addresses can be generated at random, wherein it is possible to read address and discrete reading address including continuous, it is assumed that Random to generate 3 and read group of addresses, it is necessary to explanation, it can be interruption that this 3, which are read between group of addresses, at this moment this 3 The size of data resource corresponding to individual reading group of addresses can be respectively 10KB, 50KB, 100KB, it is necessary to explanation, now without By the comparison that data resource is carried out using which kind of above-mentioned mode, it can read and treat from source server and caching server respectively 3 groups of data resources in 3 same positions of resource are downloaded, this 3 groups of data resources have corresponded to 10KB data, 50KB number respectively According to the data with 100KB, illustrate so that the size of one group of data resource is 10KB as an example, now enter according to aforesaid way one Row compare, then can respectively from source server and caching server by 10KB data contents read after, then will respectively from Each data content in this 10KB data content read on source server and caching server is compared respectively, Huo Zheye The comparison of data can be carried out during this 10KB data content is read；Now it is compared according to aforesaid way two, Then can be after 10KB data contents be read from source server and caching server, then use default checking algorithm pair The 10KB data contents read from source server be calculated check value, and to being read from caching server 10KB data contents carry out that check value is calculated, and obtain two check values are compared.

Of course, can be that is to say in advance with the pre-set continuous quantity for reading address in certain embodiments The length what a reads group of addresses is set, for example, it can be set to 1/20 for resources to be downloaded size, at this moment, it can give birth at random Into multiple reading group of addresses, likewise, can also be interruption between this multiple reading group of addresses, wherein, each read address The size of data resource corresponding to group can all be 0.1MB, such as, 4 can be generated and read group of addresses, it is necessary to illustrate, At this moment data resource corresponding to this 4 reading group of addresses can be with non-overlapping copies, can also an overlapping part.

It should be appreciated that one is read address and can also correspond to one piece of data, now the reading address is also the section The first address of data, while need to generate the offset for reading address according to the size of resources to be downloaded, the offset indicates How many data can be read since first address, now, in order to from resources to be downloaded phase on source server and caching server Data are read on same position, it is used to indicate that the reading address of digital independent not only to need identical, its corresponding offset It should also be as identical.

In some other embodiment, specifically it may refer to shown in Fig. 5, according to source download address and distribution download address It can also be wrapped before reading the data resource in the resources to be downloaded same position from source server and caching server respectively Include following steps：

S501：First address and the tail address of the resources to be downloaded are obtained from source server according to source download address.

S502：Determine to be used to indicate the resources to be downloaded portion on source server and buffer service according to first address and tail address The reading address that divided data resource is read.

Wherein, reading address can be between first address and tail address, certainly, and reading address can also treat down including this The first address or tail address, the data resource at this moment read from source server and caching server for carrying resource also include this Data resource corresponding to the first address of resources to be downloaded or tail address.For example, the first address and tail of resources to be downloaded Location is p and p+n respectively, at this moment can also may be used certainly using address corresponding to p to the optional position between p+n as address is read So that p and p+n as address is read, to be of coursed, the size of data resource should also be as to be downloaded less than this corresponding to reading address The size of resource.

In the present embodiment, determine comprise at least two read address when, can according to the reading address determined from Corresponding data resource is read to finish on source server and caching server and is compared again afterwards；Or can also every basis One is read address and read after its corresponding data resource with regard to the comparison of progress data resource, specifically may refer to Fig. 6 institutes Show, including：

S61：From selection one in address is read address is read as target.

S62：The resources to be downloaded same target is read from source server and caching server respectively to read on address Data resource.

S63：The target read is read into the data resource on address to be compared.

S64：The new target of selection one reads address from remaining reading address, and reads ground according to the new target Location carries out the reading of data resource compared with, untill according to all reading address readings and completeer data resource.

Of course, for step S63, gone back after the target read is read the data resource on address be compared It can include：

The resources to be downloaded same target for judging to read from source server and caching server reads the data on address Whether resource is consistent, and in this way, selection one reads address as new target from remaining reading address again, otherwise, stops Only new target is selected to read address from remaining reading address.

Specifically, can include in above-mentioned steps S304：The number read from source server in comparative result be present During this result inconsistent with data resource in the same position that reads from caching server according to resource, point obtained is judged It is invalid to give set address, otherwise, it is determined that downloading the resources to be downloaded from caching server according to the distribution download address.Institute If the data resource read from the target reading group of addresses on source server and caching server is inconsistent, to stop While selecting the new target to read address from remaining reading address, can also judge the distribution download address that obtains without Effect.

It should be noted that due to have read money to be downloaded from source server and caching server in the present embodiment Data resource in a part of same position in source, therefore be somebody's turn to do judging to be downloaded from caching server according to distribution download address During resources to be downloaded, the data money removed in resources to be downloaded beyond data resource corresponding to the same position can be only downloaded Source, download time so can be saved, save user bandwidth.

Of course, in certain embodiments, judge distribution download address it is invalid when, can also according to source download address from The resources to be downloaded are downloaded on source server, certainly, it is corresponding now can also only to download removing same position in resources to be downloaded Data resource beyond data resource；Or user's download request can also be prompted invalid, such user can click on again Download link, so as to assign new download request.

The resource downloading method that the present embodiment provides, due to can be before resources to be downloaded are downloaded, according to what is got Source download address and distribution download address are enterprising from the same position of resources to be downloaded on source server and caching server respectively The reading of row data resource is compared with, if there is a situation where, comparative result is inconsistent, illustrates that distributing download address may be robbed Hold, if comparative result is completely the same, illustrate that the distribution download address may not be held as a hostage, namely provide by the present embodiment Scheme, can just identify whether the resource reliable before resources to be downloaded are downloaded, so as to sentence according to recognition result It is disconnected whether the resource to be downloaded, bandwidth resources are not only saved, can also avoid user that some are useless or even harmful Resource downloading is got off, and improves the satisfaction of Consumer's Experience.

Second embodiment

In order to be better understood from the present invention, the present embodiment provides a kind of more specifically money on the basis of first embodiment Source method for down loading, it is shown in Figure 7, including：

S701：Obtain resources to be downloaded on source server corresponding source download address and on caching server corresponding to Distribute download address.

The download request that terminal is issued by user can get resources to be downloaded in source server and caching server Source download address corresponding to upper difference and distribution download address.User issues download request often by download link is clicked on, Each download link can correspond to a resources to be downloaded, and in addition, in the download link can also include source services The information of the source domain name addresses of the resources to be downloaded is stored on device, and the distribution domain of the resources to be downloaded is stored on caching server The information of name address, namely following information can be included in download link：Resources to be downloaded, and the resources to be downloaded respectively with Mapping relations between source domain name addresses and distribution domain name addresses, that is to say the download request issued by user, terminal is first The source domain name addresses and distribution domain name addresses of the resources to be downloaded can be got, then terminal can will get source domain name addresses Domain name addresses is carried out to the conversion of IP address with distribution domain name addresses, obtains the resources to be downloaded respectively in source server and caching Source download address and distribution download address on server.

S702：The size of resources to be downloaded is obtained from source server according to source download address.

S703：Determine to be used to indicate the money to be downloaded on source server and caching server according to the size of resources to be downloaded The reading address that the partial data resource in source is read.

Assuming that generating multiple reading addresses in the present embodiment at random, and address is read including continuous, for purposes of illustration only, Here it will continuously read address and be referred to as a reading group of addresses, namely one is read in group of addresses comprising multiple continuous readings Address, assume in the present embodiment to generate three reading group of addresses, in actual applications, reading group of addresses can be with offset address Form embody, one is assumed in the present embodiment, and to read group of addresses be also an offset address, if resources to be downloaded is big Small is 1M, namely 1048576 bytes, then the size of data resource corresponding to an offset address should be less than 1048576 bytes, Assuming that three offset address in the present embodiment correspond to the data resource of 64 bytes, 128 bytes and 256 bytes respectively.Need Illustrate, in certain embodiments, the size of data resource corresponding to these three offset address can be with identical, in the present embodiment Three offset address of generation can be collectively stored in a set of offsets, when reading data every time just from the set of offsets Offset address is chosen to be read out

S704：An offset address is chosen from set of offsets as target offset address.

Due to including three different offset address in the present embodiment, therefore it can therefrom randomly select one and be used as target Offset address, the choosing of target offset address can also be carried out by the descending or ascending order of the length of offset address Take, after a certain offset address is chosen for into target offset address, can delete the offset address from set of offsets.

S705：Read respectively from source server and caching server on the resources to be downloaded same target offset address Data resource.

It should be appreciated that read in the present embodiment according to the target offset address from source server and caching server , can be from the reading of the enterprising row data in the optional position of resources to be downloaded, as long as ensureing to ease up from source server during data resource It is identical to deposit the reading position read on the resources to be downloaded on server.

It should also be noted that, due to needing to read part from the resources to be downloaded on source server and caching server Data resource, so the source server and caching server in the present embodiment should support breakpoint transmission function.

S706：By the number on the resources to be downloaded same target offset address read from source server and caching server It is compared according to the content of resource.

The content of reading can be subjected to binary comparison in step S706, be provided with data corresponding to target offset address Source size needs exist for this 64 word that will be read respectively from source server and caching server to be illustrated exemplified by 64 bytes Each in section data resource is compared；Of course can also use default checking algorithm respectively to from source server and The data of 64 bytes in resources to be downloaded same position read on caching server carry out that two check values are calculated, so Be calculated 2 check values are compared afterwards.

S707：Judge whether the data resource on the resources to be downloaded same target offset address of reading is consistent, in this way, turn To S708, otherwise, S710 is gone to.

Similarly, illustrated so that data resource size corresponding to target offset address is 64 bytes as an example, when to reading Content carry out it is binary relatively when, if in the resources to be downloaded same position read from source server and caching server 64 byte datas in the data money that each is all consistent, then judges on the resources to be downloaded same target offset address that reads Source is consistent；If being compared according to check value, when two check values are identical, the resources to be downloaded same target read is judged Data resource on offset address is consistent.

S708：Judge whether the offset address in set of offsets is all chosen to finish, in this way, go to S709, otherwise, go to S704。

S709：The resources to be downloaded are downloaded from caching server according to distribution download address.

S710：Judge that distribution download address is invalid, the resources to be downloaded are downloaded from source server according to source download address.

Carried it should be noted that when judging that distribution download address is invalid, in the present embodiment terminal can also be controlled to show Awake information, to prompt user that the link may be harmful to.

The resource downloading method provided by the present embodiment, can identify that the resources to be downloaded are before resource downloading It is no reliable, and can recognize the resource reliability it is very low when notify user, downloaded completely in resource so as to avoid Into can just note abnormalities later, the usage experience of user is influenceed, the can especially when identifying that the resource reliability is very low The resource is not downloaded, could judge its reliability after completion compared to needing completely to download resource in existing scheme Scheme, the scheme that the present embodiment provides can save the time of user and save bandwidth.

3rd embodiment

It is shown in Figure 8, based on above-mentioned mobile terminal hardware configuration and communication system, propose the reality of terminal of the present invention Example is applied, specifically, terminal provided by the invention includes acquisition module 81, read module 82, comparison module 83 and processing mould Block 84.

Wherein, acquisition module 81 is used to obtaining resources to be downloaded corresponding source download address and is caching on source server Corresponding distribution download address on server；Read module 82 is used for source download address and distribution download address point according to acquisition The data resource in the resources to be downloaded same position is not read from source server and caching server, is eased up from source server Deposit a part of data resource that the data resource read on server is the resources to be downloaded；Comparison module 83 be used for will respectively from The data resource in resources to be downloaded same position read on source server and caching server is compared；Processing module 84 For being judged whether to download the resources to be downloaded from caching server according to comparative result.

It should be appreciated that the source server in the present embodiment refers to the origin server of the resources to be downloaded, that is to say The server of the original storage resources to be downloaded, and caching server refers to the server for caching the resources to be downloaded, caching clothes Business device can obtain the download resource from source server, and the resources to be downloaded are preserved, generally, for a net For network system, user access Relatively centralized area or node in be all distributed with caching server, the money in source server Source can be cached in caching server, during a certain by the terminal downloads resources to be downloaded of such user, just do not have to take from source The resources to be downloaded are accessed in business device, but directly can be downloaded nearby from caching server, can so save access money The time in source, therefore, the resources to be downloaded are all stored with source server and caching server.

It should be noted that the read module 82 in the present embodiment can be from random write on source server and caching server Take the partial data resource of resources to be downloaded, if ensure the data resource that is read from source server with from caching server The data resource of reading is the data resource belonged in the resources to be downloaded same position.

For the present embodiment, the processor 110 in Fig. 1 can include the work(of all functional modules in the present embodiment Can, and processor 110 can realize following steps：

First, obtain resources to be downloaded on source server corresponding source download address and on caching server corresponding to Distribute download address；

Then, read respectively from source server and caching server according to the source download address of acquisition and distribution download address Take the data resource in the resources to be downloaded same position；It should be noted that read from source server and caching server Data resource be the resources to be downloaded a part of data resource；

Then, the data resource in resources to be downloaded same position read respectively from source server and caching server It is compared；

Finally, judged whether to download the resources to be downloaded from caching server according to comparative result.

The terminal provided by the present embodiment, it can download ground according to the source got before resources to be downloaded are downloaded Location and distribution download address are respectively from the enterprising row data money of same position of resources to be downloaded on source server and caching server The reading in source is compared with, if there is a situation where, comparative result is inconsistent, illustrates that distributing download address may be held as a hostage, if than It is completely the same compared with result, then illustrate that the distribution download address may not be held as a hostage, namely the terminal provided by the present embodiment, can Just to identify whether the resource is reliable before resources to be downloaded are downloaded, so as to be judged whether according to recognition result to this Resource is downloaded, and not only saves bandwidth resources, can also avoid user by under some useless or even harmful resource downloadings Come, improve the satisfaction of Consumer's Experience.

Fourth embodiment

Shown in Figure 9, the present embodiment provides a kind of terminal, and the terminal can at least include：Input and output (IO) are total Line 91, processor 92, memory 93, internal memory 94, input module 95, communication module 96 and it is stored on memory 93 and can locating The resource downloading program run on reason device 92.

Input and output (IO) bus 91 respectively with itself belonging to terminal other parts it is (processor 92, memory 93, interior Deposit 94, input module 95 and communication module 96) connection, and provide transmission lines for other parts.

Processor 92 generally controls the overall operation of the terminal belonging to itself.Calculate and confirm for example, processor 92 performs Deng operation.Wherein, processor 92 can be central processing unit 92 (CPU).

The software code that processor 92 is readable, processor 92 is executable is stored with memory 93, it, which is included, is used to control Processor 92 performs the instruction (i.e. software perform function) of functions described herein.In the present embodiment, in memory 93 at least Need to be stored with and realize that processor 92 performs the program that above-mentioned function needs.

Wherein, in terminal provided by the invention, realize that the software code of all functions of modules of Fig. 8 is storable in memory 93 In, and performed after being performed or compiled by processor 92.

Internal memory 94, typically using semiconductor memory cell, including random access memory 93 (RAM), read-only storage 93 (ROM), and cache (CACHE), RAM are most important of which memories 93.Internal memory 94 is portion important in computer One of part, it is the bridge linked up with processor 92, and the operation of all programs is carried out in internal memory 94 in computer , it is for temporarily depositing the operational data in processor 92, and the number exchanged with external memory storages 93 such as hard disks that it, which is acted on, According to as long as computer is in operation, processor 92 will carry out computing needing the data of computing to be transferred in internal memory 94, work as computing Complete preprocessor 92 again to send out result, the operation of internal memory 94 also determines the stable operation of computer.

Input module 95 can include such as microphone 1042, sensor 105 and contact panel 1071, for realizing user Input, and the result that user is inputted is transferred to processor 92.

Communication module 96 can include radio frequency unit 101 etc., for being communicated with the external world.

It is real when the resource downloading program in the present embodiment is performed by processor 92 on the basis of the terminal member shown in Fig. 9 Existing following steps：

Being read respectively from source server and caching server according to the source download address of acquisition and distribution download address should Data resource in resources to be downloaded same position, the data resource read from source server and caching server are treated down for this Carry a part of data resource of resource；

Data resource in the resources to be downloaded same position read respectively from source server and caching server is entered Row compares；

Judged whether to download the resources to be downloaded from caching server according to comparative result.

In certain embodiments, processor 92 will be respectively from source server and caching to realize in execution resource downloading program During the step for data resource in resources to be downloaded same position read on server is compared, resource can also carry out Download and realize following steps：

By the content of the data resource in the resources to be downloaded same position read from source server and caching server It is compared, that is to say and binary system comparison is carried out to the content of reading；

Or,

According to default checking algorithm resources to be downloaded identical bits to being read from source server and caching server respectively The data resource put carries out that check value is calculated, and the check value being calculated is compared, checking algorithm therein Can be the arbitrary checking algorithm set by developer, for example, it may be MD5 algorithms.

In certain embodiments, resource downloading program of the processor 92 in the present embodiment is performed is real downloads now according to source Address and distribution download address read the number in the resources to be downloaded same position from source server and caching server respectively Before the step for resource, it can also carry out resource downloading program and realize following steps：

The size of resources to be downloaded is obtained from source server according to source download address.

Determine to be used to indicate the resources to be downloaded on source server and caching server according to the size of resources to be downloaded The reading address that partial data resource is read.

A reading address can only correspond to a data in the present embodiment, now, can in the reading address determined To read address comprising continuous, discrete reading address can also be included, for purposes of illustration only, will continuously read address here Referred to as one reading group of addresses, namely one read in group of addresses comprising it is multiple it is continuous read addresses, when determining multiple readings When taking group of addresses, each size for reading data resource corresponding to group of addresses can that is to say different reading addresses with different The reading address of varying number can be included in group, for example, when the size of resources to be downloaded is 2MB, can be generated at random more Individual reading address, wherein it is possible to read address and discrete reading address including continuous, it is assumed that generate 3 readings at random Group of addresses, it is necessary to explanation, this 3 read group of addresses between can be interruption, at this moment this 3 read group of addresses corresponding to The size of data resource can be respectively 10KB, 50KB, 100KB；It should be noted that now no matter which kind of above-mentioned mode used The comparison of data resource is carried out, 3 identical bits of resources to be downloaded can be read from source server and caching server respectively The 3 groups of data resources put, this 3 groups of data resources have corresponded to the data of 10KB data, 50KB data and 100KB respectively, Illustrate so that the size of one group of data resource is 10KB as an example, can now be incited somebody to action respectively from source server and caching server After 10KB data contents are read, then by this 10KB data content read respectively from source server and caching server Each data content be compared respectively, or the ratio of data can also be carried out during this 10KB data content is read It is right；Or it can be verified after 10KB data contents are read from source server and caching server, then using default Algorithm carries out that check value is calculated to the 10KB data contents read from source server, and to being read from caching server The 10KB data contents taken carry out that check value is calculated, and obtain two check values are compared.

Of course, can be that is to say in advance with the pre-set continuous quantity for reading address in certain embodiments The length what a reads group of addresses is set, for example, it can be set to 1/20 for resources to be downloaded size, at this moment, it can give birth at random Into multiple reading group of addresses, likewise, can also be interruption between this multiple reading group of addresses, wherein, each read address The size of data resource corresponding to group can all be 0.1MB, such as, 4 continuous group of addresses that read can be generated, it is necessary to illustrate , at this moment data resource corresponding to this 4 continuous reading group of addresses can be with non-overlapping copies, can also an overlapping part.

In some other embodiment, resource downloading program of the processor 92 in the present embodiment is performed is real now according to source Download address and distribution download address are read from source server and caching server in the resources to be downloaded same position respectively Data resource the step for before, can also carry out resource downloading program and realize following steps：

First address and the tail address of the resources to be downloaded are obtained from source server according to source download address.

Determine to be used to indicate the resources to be downloaded part number on source server and buffer service according to first address and tail address The reading address read according to resource.

In the present embodiment, determine comprise at least two read address when, can according to the reading address determined from Corresponding data resource is read to finish on source server and caching server and is compared again afterwards；Or can also every basis One is read address and read after its corresponding data resource with regard to the comparison of progress data resource, specifically, in the present embodiment Processor 92 during the data resource for performing resource downloading program to realize according to reading is compared, can perform Resource downloading program realizes following steps：

From selection one in address is read address is read as target.

The data on resources to be downloaded same target reading address are read from source server and caching server respectively Resource.

The target read is read into the data resource on address to be compared.

The new target of selection one reads address from remaining reading address, and reads address according to the new target and enter The reading of row data resource is compared with, untill according to all reading address readings and completeer data resource.

Certainly, processor 92 realizes that the target that will be read reads the data in group of addresses and provided in execution resource downloading program After source is compared, it can also carry out resource downloading program and realize following steps：

Processor 92 in the present embodiment is realized in execution resource downloading program to be judged whether from caching according to comparative result It the resources to be downloaded are downloaded on server can perform resource downloading program during this and realize following steps：

It is identical with what is read from caching server to there is the data resource read from source server in comparative result During inconsistent this result of data resource on position, judge that the distribution download address that obtains is invalid, otherwise, it is determined that according to this point Give set address and the resources to be downloaded are downloaded from caching server.

It is so inconsistent if reading the data resource read in group of addresses from the target on source server and caching server When, while stopping selecting new target to read address from remaining reading address, under the distribution that acquisition can also be judged Set address is invalid.

The resources to be downloaded are downloaded from caching server according to the distribution download address in execution judgement in the present embodiment During, resource downloading program can be performed and realize following steps：

The data removed in resources to be downloaded beyond data resource corresponding to the same position are downloaded from caching server Resource,

Resource downloading program can be performed in the present embodiment during execution judges that distribution download address is invalid to realize Following steps：

The resources to be downloaded are downloaded from source server according to source download address；

Or,

The display alarm information on the display interface of terminal, to prompt user that the download request is invalid.

Meanwhile the present embodiment also provides a kind of computer-readable recording medium, stored in the computer-readable recording medium There is resource downloading program, realized when the resource downloading program is performed by processor 92 such as the step in above-mentioned either method.

The terminal and computer-readable recording medium provided by the present embodiment, can identify this before resource downloading Whether resources to be downloaded reliable, and can recognize the resource reliability it is very low when notify user, provided so as to avoid Source can just note abnormalities after downloading completion completely, influence the usage experience of user, especially identifying the resource reliability Can is not downloaded to the resource when very low, completes just sentence afterwards compared to needing completely to download resource in existing scheme The scheme for its reliability of breaking, the scheme that the present embodiment provides can save the time of user and save bandwidth.

It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property includes, so that process, method, article or device including a series of elements not only include those key elements, and And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this Other identical element also be present in the process of key element, method, article or device.

The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.

Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, computer, clothes Be engaged in device, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.

Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot Form, these are belonged within the protection of the present invention.

Claims

A kind of 1. resource downloading method, it is characterised in that including：

Obtain resources to be downloaded corresponding source download address and corresponding distribution download on caching server on source server Address；

According to the source download address and the distribution download address respectively from the source server and the caching server Read the data resource in the resources to be downloaded same position；Read from the source server and the caching server Data resource is a part of data resource of the resources to be downloaded；

Data money in the resources to be downloaded same position that will be read respectively from the source server and the caching server Source is compared；

Judged whether to download the resources to be downloaded from the caching server according to comparative result.
2. resource downloading method as claimed in claim 1, it is characterised in that described that the resources to be downloaded read respectively are identical Data resource on position be compared including：

The data resource in resources to be downloaded same position that will be read from the source server and the caching server Content is compared；

Or,

According to the default checking algorithm resources to be downloaded phase to being read from the source server and the caching server respectively Carry out that check value is calculated with the data resource on position, and the check value being calculated is compared.
3. resource downloading method as claimed in claim 1, it is characterised in that described according to the source download address and described point Set address is given to read from the source server and the caching server in the resources to be downloaded same position respectively Include before data resource：

The size of the resources to be downloaded is obtained from the source server according to the source download address, and is treated down according to described The size for carrying resource determines to be used for the part number for indicating the resources to be downloaded on the source server and the caching server The reading address read according to resource, the size of the resources to be downloaded are more than the big of data resource corresponding to the reading address It is small；

Or,

First address and the tail address of the resources to be downloaded are obtained from the source server according to the source download address, according to The first address and the tail address determine to be used to indicate the money to be downloaded on the source server and the caching server The reading address that the partial data resource in source is read, the reading address is between the first address and the tail address.
4. resource downloading method as claimed in claim 3, it is characterised in that when it is determined that reading address including at least 2, institute State and read respectively from the source server and the caching server according to the source download address and the distribution download address The data resource in the resources to be downloaded same position is taken, and by the resources to be downloaded same position read respectively Data resource be compared including：

Selection one reads address as target from the reading address；

The resources to be downloaded same target is read from the source server and the caching server respectively to read on address Data resource；

The target read is read into the data resource on address to be compared, and one is selected from remaining reading address It is individual as new target to read address, and address is read according to the new target and carries out the reading of data resource compared with, directly Extremely read according to all reading addresses from the source server and the caching server and in completeer same position Data resource.
5. resource downloading method as claimed in claim 4, it is characterised in that described that the target read is read into address On data resource be compared after also include：

The resources to be downloaded same target for judging to read from the source server and the caching server is read on address Whether data resource is consistent, and in this way, selection one reads address as new target from remaining reading address again, no Then, stop selecting new target to read address from remaining reading address.
6. the resource downloading method as described in claim any one of 1-5, it is characterised in that described to be according to comparative result judgement It is no the resources to be downloaded are downloaded from the caching server to include：

The data resource read from the source server in the comparative result be present with being read from the caching server During the inconsistent comparative result of the data resource in same position that takes, judge that the distribution download address is invalid, otherwise, it is determined that The resources to be downloaded are downloaded from the caching server according to the distribution download address.
7. resource downloading method as claimed in claim 6, it is characterised in that it is described according to the distribution download address from described The resources to be downloaded are downloaded in caching server to be included：

Data in resources to be downloaded on the caching server in addition to data resource corresponding to the same position are provided Source is downloaded.
8. resource downloading method as claimed in claim 6, it is characterised in that methods described, which is additionally included in, to be judged under the distribution When set address is invalid, the resources to be downloaded are downloaded from the source server according to the source download address.
9. a kind of terminal, it is characterised in that the terminal includes：Processor, memory and it is stored on the memory and can The resource downloading program run on the processor, the resource downloading program are realized such as right during the computing device It is required that the step of resource downloading method any one of 1-8.
10. a kind of computer-readable recording medium, it is characterised in that be stored with the computer-readable recording medium under resource Program is carried, is realized when the resource downloading program is performed such as the resource downloading method any one of claim 1-8 Step.