CN105279278A - File searching method and device - Google Patents

File searching method and device Download PDF

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Publication number
CN105279278A
CN105279278A CN201510783262.4A CN201510783262A CN105279278A CN 105279278 A CN105279278 A CN 105279278A CN 201510783262 A CN201510783262 A CN 201510783262A CN 105279278 A CN105279278 A CN 105279278A
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China
Prior art keywords
file
search
information
fileinfo
index
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Granted
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CN201510783262.4A
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Chinese (zh)
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CN105279278B (en
Inventor
王余
滕乐
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Zhuhai Baoqu Technology Co Ltd
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Beijing Kingsoft Internet Security Software Co Ltd
Zhuhai Juntian Electronic Technology Co Ltd
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Priority to CN201510783262.4A priority Critical patent/CN105279278B/en
Publication of CN105279278A publication Critical patent/CN105279278A/en
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Publication of CN105279278B publication Critical patent/CN105279278B/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/14Details of searching files based on file metadata
    • G06F16/156Query results presentation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/14Details of searching files based on file metadata
    • G06F16/148File search processing

Abstract

The invention provides a file searching method and device. Wherein, the method comprises the following steps: receiving a starting request sent by a user; loading a pre-generated index file to a memory based on a starting request, wherein the index file is pre-stored in a specified directory of the terminal, the index file comprises file information of each file stored in the terminal, and the file information comprises a file name; receiving search file information input by a user; matching the search file information with the file name of each file in the index files in the memory, and taking the file containing the search file information as a search result of the search file information; and displaying the search results. The file searching method and the file searching device avoid the time consumed by traversing the files in the storage space of the terminal for multiple times during file searching, can reduce the time for obtaining the searching result, improve the file searching efficiency and reduce the consumption of resources of the terminal.

Description

The searching method of file and device
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of searching method and device of file.
Background technology
Along with the development of science and technology and the demand of user, the storage space of terminal such as computing machine is increasing, usually the files such as a large amount of audio frequency, video and word are stored in terminal, and along with the files tend stored in terminal many, user is difficult to from multiple file, find fast its file needed.Especially when user have forgotten the deposit position needing the file checked, in order to obtain the file that oneself needs, the usual way of current user is: the function of search calling the file in computing machine, and the filename of file required for input, and totally search for, demand according to user is traveled through one time to the All Files in computing machine by computing machine, to obtain the file mated with filename, and shows corresponding Search Results on a user interface.
But, the mode Problems existing of above-mentioned search file is: when the file of terminal is more, and traversal All Files needs the chronic of consumption, and the efficiency of search file is lower, can not in time for user provides required file, the file search of user is experienced poor, and in long file search process, needs CPU (CentralProcessingUnit, central processing unit) hardware supported, therefore, long ergodic process, consumes also very large to terminal CPU.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, first object of the present invention is the searching method proposing a kind of file, the method obtains the Search Results information-related with search file according to the index file in internal memory, avoid when file search, the time that the file repeatedly traveling through terminal storage space consumes, thus the time obtaining Search Results can be reduced, improve the efficiency of search file, reduce the consumption of the resource to terminal.
Second object of the present invention is the searcher proposing a kind of file.
For achieving the above object, first aspect present invention embodiment proposes a kind of searching method of file, comprising: receive the startup request that user sends; Based on described startup request, the index file generated in advance is loaded on internal memory, and wherein, described index file is kept in the assigned catalogue of terminal in advance, comprise in described terminal the fileinfo of each file stored in described index file, described fileinfo comprises filename; Receive the search file information of described user input; The filename of described search file information with each file in the index file in described internal memory is mated, and will the Search Results of file as described search file information of described search file information be comprised; And show described Search Results.
Optionally, describedly generate described index file in advance, specifically comprise: the current file system daily record of reading terminals, and described current file system daily record is resolved, to obtain the fileinfo of each file in described current system daily record, wherein, described fileinfo also comprises the first identification information, second identification information of upper directory of current file and file type information; Based on the fileinfo of described each file, set up a tree structure, wherein, each node of described tree structure comprises the fileinfo with file corresponding to each node; And the fileinfo of node each in described tree structure is stored, to generate described index file.
Optionally, before the index file generated in advance is loaded on internal memory, described method also comprises: information update time obtaining the index file in described assigned catalogue, and the current file system daily record of reading terminals; Judge whether the fileinfo in described current file system daily record has renewal according to information described update time; If there is renewal, then according to the fileinfo of updating file, the index file in described assigned catalogue is upgraded, and using the index file after renewal as described index file.
Optionally, after the index file generated in advance is loaded on internal memory, described method also comprises: information update time obtaining the index file in described internal memory, and the current file system daily record of reading terminals; Judge whether the fileinfo in described current file system daily record has renewal according to information described update time; If there is renewal, then according to the fileinfo of updating file, the index file in described internal memory is upgraded.
Optionally, in the process of carrying out file search, described method also comprises: monitor the file system journal of terminal; When monitoring the fileinfo in described file system journal and upgrading, the fileinfo according to updating file upgrades the index file in described internal memory.
Optionally, described index file is loaded on internal memory, specifically comprises: based on memory-mapped mode, the index file be stored in assigned catalogue is mapped to internal memory.
Optionally, while the described Search Results of described display, described method also comprises: show the information relevant to described search file information, wherein, described information links for providing the search of described search file information, obtains the relevant search result of described search file information to make described user according to described search link from internet.
Optionally, after the described Search Results of described display, described method also comprises: export the index file in described internal memory, and upgrades the index file in described assigned catalogue with the index file in described internal memory.
According to the searching method of the file of the embodiment of the present invention, after the startup request receiving user's transmission, the index file generated in advance be kept in advance in the assigned catalogue of terminal is loaded on internal memory, and after the search file information receiving user's input, the filename of search file information with each file in the index file in internal memory is mated, and will the Search Results of file as search file information of search file information be comprised, and the Search Results of display search file information.With respect to the mode concerning the Search Results that the storage space search of terminal obtains and search file is information-related, by the index file be stored in terminal is loaded on internal memory, and in the process of file search, the Search Results information-related with search file is obtained according to the index file in internal memory, avoid when file search, the time that the file repeatedly traveling through terminal storage space consumes, thus the time obtaining Search Results can be reduced, improve the efficiency of search file, reduce the consumption of the resource to terminal.
For achieving the above object, second aspect present invention embodiment proposes a kind of searcher of file, comprising: the first receiver module, for receiving the startup request that user sends; Load-on module, for asking based on described startup, the index file generated in advance is loaded on internal memory, wherein, described index file is kept in the assigned catalogue of terminal in advance, comprise in described terminal the fileinfo of each file stored in described index file, described fileinfo comprises filename; Second receiver module, for receiving the search file information of described user input; Search module, for being mated by the filename of described search file information with each file in the index file in described internal memory, and will comprise the Search Results of file as described search file information of described search file information; And display module, for showing described Search Results.
Optionally, described device also comprises: pretreatment module, for the current file system daily record of reading terminals, and described current file system daily record is resolved, to obtain the fileinfo of each file in described current system daily record, wherein, described fileinfo comprises the first identification information, second identification information of upper directory of current file, file type information and filename; Based on the fileinfo of described each file, set up a tree structure, wherein, each node of described tree structure comprises the fileinfo with file corresponding to each node; And the fileinfo of node each in described tree structure is stored, to generate described index file.
Optionally, described device also comprises: the first processing module, before the index file generated in advance being loaded on internal memory at described load-on module, obtain information update time of the index file in described assigned catalogue, and the current file system daily record of reading terminals, and judge whether the fileinfo in described current file system daily record has renewal according to information described update time, and the fileinfo in described current file system daily record is when having a renewal, the fileinfo according to updating file upgrades the index file in described assigned catalogue.
Optionally, described device also comprises: the second processing module, after the index file generated in advance being loaded on internal memory at described load-on module, obtains information update time of the index file in described internal memory, and the current file system daily record of reading terminals; Judge whether the fileinfo in described current file system daily record has renewal according to information described update time; If there is renewal, then according to the fileinfo of updating file, the index file in described internal memory is upgraded.
Optionally, described device also comprises: the 3rd processing module, for in the process of carrying out file search, the file system journal of terminal is monitored, and when monitoring the fileinfo in described file system journal and upgrading, the fileinfo according to updating file upgrades the index file in described internal memory.
Optionally, described load-on module, specifically for: based on memory-mapped mode, the index file be stored in assigned catalogue is mapped to internal memory.
Optionally, described display module, also for: while the described Search Results of described display, show the information relevant to described search file information, wherein, described information links for providing the search of described search file information, obtains the relevant search result of described search file information to make described user according to described search link from internet.
Optionally, described device also comprises: update module, for after described display module shows described Search Results, exports the index file in described internal memory, and upgrades the index file in described assigned catalogue with the index file in described internal memory.
According to the searcher of the file of the embodiment of the present invention, the startup request of user's transmission is received by the first receiver module, the index file generated in advance be kept in advance in the assigned catalogue of terminal is loaded on internal memory by load-on module, and the search file information of user's input is received by the second receiver module, the filename of search file information with each file in the index file in internal memory mates by search module, and will the Search Results of file as search file information of search file information be comprised, and the Search Results of display module display search file information.With respect to the mode concerning the Search Results that the storage space search of terminal obtains and search file is information-related, by the index file be stored in terminal is loaded on internal memory, and in the process of file search, the Search Results information-related with search file is obtained according to the index file in internal memory, avoid when file search, the time that the file repeatedly traveling through terminal storage space consumes, thus the time obtaining Search Results can be reduced, improve the efficiency of search file, reduce the consumption of the resource to terminal.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the searching method of file according to an embodiment of the invention.
Fig. 2 is schematic diagram index file being loaded on the interface after internal memory.
The schematic diagram at Fig. 3 to be search file information be interface of the Search Results of " 1234 ".
The schematic diagram at Fig. 4 to be search file information be interface of the Search Results of " 12345 ".
The schematic diagram at Fig. 5 to be search file information be interface of the Search Results of " a beautiful mind ".
Fig. 6 is the process flow diagram of the searching method of file in accordance with another embodiment of the present invention.
Fig. 7 is the structural representation of the searcher of file according to an embodiment of the invention.
Fig. 8 is the structural representation of the searcher of file in accordance with another embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings searching method and the device of the file of the embodiment of the present invention are described.
Fig. 1 is the process flow diagram of the searching method of file according to an embodiment of the invention.
As shown in Figure 1, the searching method of this file comprises:
S101, receives the startup request that user sends.
S102, based on startup request, is loaded on internal memory by the index file generated in advance.
Wherein, above-mentioned index file is kept in the assigned catalogue of terminal in advance, and comprises the fileinfo of each file stored in terminal in index file, and fileinfo can include but not limited to filename.
It should be noted that, the terminal in the present embodiment can be the hardware device that personal computer PC, mobile phone, panel computer etc. have various operating system.
In addition, convenient in order to describe, in inventive embodiment, the application program with file search function is called fast search software, it is to be appreciated that in actual applications, the application program of file search function can also be had with other name nominatings.
In one embodiment of the invention, after the startup request receiving user's transmission, can judge whether first time starts fast search software to user, if first time starts fast search software, the then current file system daily record of reading terminals, and current file system daily record is resolved, to obtain the fileinfo of each file in current system daily record, and based on the fileinfo of each file, set up a tree structure, and the fileinfo of node each in tree structure is stored, with generating indexes file.
Wherein, in above-mentioned fileinfo except comprising filename, the second identification information, the information such as file type information and filename of upper directory of the first identification information, current file can also be comprised.Wherein, above-mentioned file type information can comprise the type such as file .JPG .gif .mav .doc.
Wherein, it should be noted that, each node of tree structure comprises the fileinfo with file corresponding to each node, namely the node of tree structure is corresponding with file, and namely a node represents a file, and node comprises the fileinfo of this file.
Such as, the system of terminal is WindowsXP system, file system journal corresponding to this system is USN (UpdateServiceNumberJournalorChangeJournal, renewal sequence number) daily record, USN daily record be in NTFS (NewTechnologyFileSystem, New Technology File System) volume the information revised carry out the function of relative recording.In the process setting up index file, can read USN daily record, and it is resolved, and utilize these log informations to set up whole index file, wherein, a Journal node of USN daily record contains a mark ID of this file of expression unique under current system subregion, also contains the mark ID of oneself father node (upper directory) simultaneously, also has file type information (distinguishing file and file).Can set up a tree structure based on these information above-mentioned, each node of tree structure comprises current file mark ID, father node mark ID, file type, filename.Such tree structure is set up to each system partitioning, then the tree index information established is stored in an index file by each node.
In order to Search Results accurately can be provided for user, in one embodiment of the invention, before the index file generated in advance is loaded on internal memory, information update time of the index file in assigned catalogue can also be obtained, and the current file system daily record of reading terminals, and whether have renewal according to the fileinfo that information update time judges in current file system daily record, if and judge that the fileinfo in current file system daily record has renewal, then according to the fileinfo of updating file, the index file in assigned catalogue is upgraded, thus, ensure that the index file be loaded in internal memory is the index file after upgrading, and then the accuracy of subsequent file search can be improved.
Usually, the mode be loaded on by index file in internal memory has a lot, such as, the mode that file reads can be adopted, all read in internal memory by the fileinfo of each node in index file, the mode usually adopted is different, index file is loaded on the time difference that internal memory consumes, different to the consumption of the I/O (Input/Output, I/O) of terminal.
In one embodiment of the invention, in order to improve speed index file being loaded on internal memory, reducing and loading index file to the consumption of the I/O of terminal, by the mode of memory-mapped, the index file be stored in assigned catalogue being mapped to internal memory.
S103, receives the search file information of user's input.
Particularly, after index file is loaded on internal memory, as shown in Figure 2, now, user can the extension name (i.e. the suffix of file) of inputted search fileinfo such as filename or file in the search box search for the interface form of fast search software.
S104, mates the filename of search file information with each file in the index file in internal memory, and will comprise the Search Results of file as search file information of search file information.
Particularly, after the search file information receiving user's input, the filename of each file in search file information and index file can be compared, if comprise search file information in filename, then using the Search Results of the file of correspondence as search file information.
Specifically, each node of traversal tree structure, and the filename on search file information and node is contrasted, if comprise search file information in the filename of this node, then the node of correspondence is added in the list of search hit, the anabolic process of the routing information corresponding to the file on this node is: this node is traced back to root node in turn, and it is exactly the routing information of file on node that filename strings together.
S105, display of search results.
Wherein, it should be noted that, in the process of user's inputted search fileinfo, can according to the search file information acquisition Search Results of the current input of user.
Such as, after index file is loaded on internal memory, the form at the interface of fast search software as shown in Figure 2, assuming that user needs search file to be called " 12345 ", when user's inputted search filename " 12345 ", user often changes a search file information, can obtain the Search Results with the search file information matches of current input, and the Search Results that display is corresponding with current search fileinfo in time.Assuming that the search file information that active user inputs is " 1234 ", search file information is the form of the Search Results of " 1234 " correspondence, as shown in Figure 3, as seen in Figure 3, three files are comprised in search interface list, now, user directly can click the file of the file " 12345 " by name shown in search interface list, to realize the access to this file.In addition, if user continues input 5, now, after the search file information receiving user's input is " 12345 ", obtain the search knot result that current search fileinfo is corresponding, and in interface, show the Search Results that search file information is " 12345 " in the form of a list, wherein, search file information is the form of the Search Results of " 12345 ", as shown in Figure 4.Thus, can find out, change the process of a search file information user at every turn, by the Search Results of display with search file information match in interface.
In one embodiment of the invention, in order to make user can obtain more Search Results information-related with search file, while display of search results, the information relevant to search file information can also be shown.
Wherein, above-mentioned information links for providing the search of search file information, obtains the relevant search result of search file information to make user according to search link from internet.
Such as, at the file " a beautiful mind " by name that user inputs in search box as shown in Figure 2, assuming that file " a beautiful mind " by name is a film, now, the file relevant to filename " a beautiful mind " can be obtained from the storage space of terminal, and the Search Results that display is relevant with filename " a beautiful mind " on a user interface, if do not search the file with filename " a beautiful mind " in the terminal, namely Search Results is 0, the form at interface as shown in Figure 5, if receive the information that user clicks " searching for from internet ", now, search engine can be utilized at the Search Results of internet hunt " a beautiful mind ", thus, for user provides the Search Results relevant with " a beautiful mind " from network, facilitate in users from networks and obtain Search Results, improve the efficiency of the Search Results that acquisition is relevant with " a beautiful mind " in users from networks.
The searching method of the file of the embodiment of the present invention, after the startup request receiving user's transmission, the index file generated in advance be kept in advance in the assigned catalogue of terminal is loaded on internal memory, and after the search file information receiving user's input, the filename of search file information with each file in the index file in internal memory is mated, and will the Search Results of file as search file information of search file information be comprised, and the Search Results of display search file information.With respect to the mode concerning the Search Results that the storage space search of terminal obtains and search file is information-related, by the index file be stored in terminal is loaded on internal memory, and in the process of file search, the Search Results information-related with search file is obtained according to the index file in internal memory, avoid when file search, the time that the file repeatedly traveling through terminal storage space consumes, thus the time obtaining Search Results can be reduced, improve the efficiency of search file, reduce the consumption of the resource to terminal.
Fig. 6 is the process flow diagram of the searching method of file in accordance with another embodiment of the present invention.
As shown in Figure 6, the searching method of this file comprises:
S601, receives the startup request that user sends.
S602, based on startup request, is loaded on internal memory by the index file generated in advance.
Wherein, above-mentioned index file is kept in the assigned catalogue of terminal in advance.
Above-mentioned index file is kept in the assigned catalogue of terminal in advance, and comprises the fileinfo of each file stored in terminal in index file, and fileinfo can include but not limited to filename.
It should be noted that, the terminal in the present embodiment can be the hardware device that personal computer PC, mobile phone, panel computer etc. have various operating system.
In one embodiment of the invention, after the startup request receiving user's transmission, can judge whether first time starts fast search software to user, if first time starts fast search software, the then current file system daily record of reading terminals, and current file system daily record is resolved, to obtain the fileinfo of each file in current system daily record, and based on the fileinfo of each file, set up a tree structure, and the fileinfo of node each in tree structure is stored, with generating indexes file.
Wherein, in above-mentioned fileinfo except comprising filename, above-mentioned fileinfo can also comprise the second identification information, the information such as file type information and filename of upper directory of the first identification information, current file.Wherein, above-mentioned file type information can comprise the type such as file .JPG .gif .mav .doc.
Wherein, it should be noted that, each node of tree structure comprises the fileinfo with file corresponding to each node, namely the node of tree structure is corresponding with file, and namely a node represents a file, and node comprises the fileinfo of this file.
The mode be loaded on by index file in internal memory has a lot, such as, the mode that file reads can be adopted, the fileinfo of each node in index file is all read in internal memory, the mode of usual employing is different, index file is loaded on the time difference that internal memory consumes, different to the consumption of the I/O (Input/Output, I/O) of terminal.
In one embodiment of the invention, in order to improve speed index file being loaded on internal memory, reducing and loading index file to the consumption of the I/O of terminal, by the mode of memory-mapped, the index file be stored in assigned catalogue being mapped to internal memory.
S603, obtains information update time of the index file in internal memory, and the current file system daily record of reading terminals.
Whether S604, have renewal according to the fileinfo that information update time judges in current file system daily record.
Particularly, after the current file system daily record reading terminal, need whether have renewal to judge to the fileinfo in current file system daily record, concrete judgment mode is a lot, can need to select according to practical application.
Such as, the fileinfo of the respective file in the fileinfo of each file in current file system daily record and index file can be compared, if the fileinfo of certain file in current file system daily record is different from the fileinfo of the respective file in index file, then determine there is renewal in the fileinfo in current file system daily record.
Again such as, the temporal information of generating indexes file can be obtained, and judge whether current file information log increases new log recording after this temporal information, if after this temporal information, the also deletion of include file of current file information log, movement or the record such as newly-built, then determine to have in the fileinfo in current file system renewal; If after this temporal information, in current file information log, there is no other records, then determine that the fileinfo in current file system does not upgrade.
S605, if there is renewal, then upgrades index file according to the fileinfo of updating file.
S606, receives the search file information of user's input.
Particularly, after index file is loaded on internal memory, as shown in Figure 2, now, user can the extension name (i.e. the suffix of file) of inputted search fileinfo such as filename or file in the search box search for interface form in fast search software.
S607, mates the filename of search file information with each file in the index file in internal memory, and will comprise the Search Results of file as search file information of search file information.
Particularly, after the search file information receiving user's input, the filename of each file in search file information and index file can be compared, if comprise search file information in filename, then using the Search Results of the file of correspondence as search file information.
S608, display of search results.
Wherein, it should be noted that, in the process of user's inputted search fileinfo, can according to the search file information acquisition Search Results of the current input of user.
Such as, after index file is loaded on internal memory, the form at the interface of fast search software as shown in Figure 2, assuming that user needs search file to be called " 12345 ", when user's inputted search filename " 12345 ", user often changes a search file information, can obtain the Search Results with the search file information matches of current input, and the Search Results that display is corresponding with current search fileinfo in time.Assuming that the search file information that active user inputs is " 1234 ", search file information is the form of the Search Results of " 1234 " correspondence, as shown in Figure 3, as seen in Figure 3, three files are comprised in search interface list, now, user directly can click the file of the file " 12345 " by name shown in search interface list, to realize the access to this file.In addition, if user continues input 5, now, after the search file information receiving user's input is " 12345 ", obtain the search knot result that current search fileinfo is corresponding, and in interface, show the Search Results that search file information is " 12345 " in the form of a list, wherein, search file information is the form of the Search Results of " 12345 ", as shown in Figure 4.Thus, can find out, change the process of a search file information user at every turn, by the Search Results of display with search file information match in interface.
The searching method of the file of the embodiment of the present invention, after the index file be kept in advance in the assigned catalogue of terminal is loaded on internal memory, the also current file system daily record of reading terminals, and after judging that the fileinfo in current file system daily record has renewal, index file is upgraded, and after user's inputted search fileinfo, the Search Results information-related with search file is obtained from the index file after renewal, thus, with respect to the mode concerning the Search Results that the storage space search of terminal obtains and search file is information-related, by the index file be stored in terminal is loaded on internal memory, and in the process of file search, the Search Results information-related with search file is obtained according to the index file in internal memory, avoid when file search, the time that the file repeatedly traveling through terminal storage space consumes, thus the time obtaining Search Results can be reduced, improve the efficiency of search file, reduce the consumption of the resource to terminal.
Further, in another embodiment of the present invention, the Search Results with search file information match is provided for user in order to accurate further, carry out in the process of file search user, can also monitor the file system journal of terminal, and when monitoring the fileinfo in file system journal and upgrading, the fileinfo according to updating file upgrades the index file in internal memory.
Further, in another embodiment of the present invention, monitoring after user exits fast search software, namely after user search terminates, index file in exportable internal memory, and upgrade the index file in assigned catalogue with the index file in internal memory, namely the index file before in assigned catalogue is covered with the index file of internal memory, after facilitating the follow-up startup request receiving user, index file after upgrading in assigned catalogue is loaded in internal memory, and accurately provides the Search Results information-related with search file for user.
In order to realize above-described embodiment, the present invention also proposes a kind of searcher of file.
Fig. 7 is the structural representation of the searcher of file according to an embodiment of the invention.
As shown in Figure 7, the searcher of this file comprises the first receiver module 11, load-on module 12, second receiver module 13, search module 14 and display module 15, wherein:
The startup request that first receiver module 11 sends for receiving user; Load-on module 12 is for asking based on startup, the index file generated in advance is loaded on internal memory, and wherein, index file is kept in the assigned catalogue of terminal in advance, comprise the fileinfo of each file stored in terminal in index file, fileinfo comprises filename; Second receiver module 13 is for receiving the search file information of user's input; Search module 14 for being mated by the filename of search file information with each file in the index file in internal memory, and will comprise the Search Results of file as search file information of search file information; And display module 15 is for display of search results.
Wherein, terminal can be the hardware device that personal computer PC, mobile phone, panel computer etc. have various operating system.
Load-on module 12 specifically for: based on memory-mapped mode, the index file be stored in assigned catalogue is mapped to internal memory.
In addition, as shown in Figure 8, said apparatus can also comprise pretreatment module 16, and this pretreatment module 16 is for pre-Mr.'s index file, particularly, pretreatment module 1 for the current file system daily record of reading terminals, and to be resolved current file system daily record, to obtain the fileinfo of each file in current system daily record, based on the fileinfo of each file, set up a tree structure, and the fileinfo of node each in tree structure is stored, with generating indexes file.
Wherein, fileinfo can comprise the first identification information, second identification information of upper directory of current file, file type information and filename.
Wherein, it should be noted that, each node of tree structure comprises the fileinfo with file corresponding to each node, namely the node of tree structure is corresponding with file, and namely a node represents a file, and node comprises the fileinfo of this file.
Particularly, receive the startup request of user's transmission at the first receiver module 11 after, can judge whether it is startup request first time receiving user's transmission, if first time receives the startup request of user, can by pretreatment module 16 generating indexes file, wherein, it is to be appreciated that the index file that generates of pretreatment module 16 is just in the assigned catalogue of terminal.
In one embodiment of the invention, in order to provide Search Results accurately, as shown in Figure 8, said apparatus also comprises the first processing module 17, this first processing module 17 is for before being loaded on internal memory at load-on module 12 by the index file generated in advance, obtain information update time of the index file in assigned catalogue, and the current file system daily record of reading terminals, and whether have renewal according to the fileinfo that information update time judges in current file system daily record, and the fileinfo in current file system daily record is when having a renewal, fileinfo according to updating file upgrades the index file in assigned catalogue.
In another embodiment, in order to Search Results accurately can be provided, as shown in Figure 8, said apparatus can also comprise the second processing module 18, this second processing module is after the index file generated in advance is loaded on internal memory by load-on module 12, obtain information update time of the index file in internal memory, and the current file system daily record of reading terminals; Whether renewal is had according to the fileinfo that information update time judges in current file system daily record; If there is renewal, then according to the fileinfo of updating file, the index file in internal memory is upgraded.
In addition, in order to Search Results accurately can be provided further, as shown in Figure 8, said apparatus can also comprise the 3rd processing module 19,3rd processing module 19 is in the process of carrying out file search, the file system journal of terminal is monitored, and when monitoring the fileinfo in file system journal and upgrading, the fileinfo according to updating file upgrades the index file in internal memory.
More Search Results information-related with search file can be obtained to make user, above-mentioned display module 15 also for: while display of search results, show the information relevant to search file information, wherein, information links for providing the search of search file information, obtains the relevant search result of search file information to make user according to search link from internet.
In addition, as shown in Figure 8, said apparatus can also comprise update module 20, and this update module 20, for after display module 15 display of search results, exports the index file in internal memory, and upgrades the index file in assigned catalogue with the index file in internal memory.
It should be noted that, the explanation of the embodiment of the aforementioned searching method to file illustrates and the searcher being also applicable to the file of this embodiment repeats no more herein.
The searcher of the file of the embodiment of the present invention, the startup request of user's transmission is received by the first receiver module, the index file generated in advance be kept in advance in the assigned catalogue of terminal is loaded on internal memory by load-on module, and the search file information of user's input is received by the second receiver module, the filename of search file information with each file in the index file in internal memory mates by search module, and will the Search Results of file as search file information of search file information be comprised, and the Search Results of display module display search file information.With respect to the mode concerning the Search Results that the storage space search of terminal obtains and search file is information-related, by the index file be stored in terminal is loaded on internal memory, and in the process of file search, the Search Results information-related with search file is obtained according to the index file in internal memory, avoid when file search, the time that the file repeatedly traveling through terminal storage space consumes, thus the time obtaining Search Results can be reduced, improve the efficiency of search file, reduce the consumption of the resource to terminal.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer memory.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (10)

1. a searching method for file, is characterized in that, comprises the following steps:
Receive the startup request that user sends;
Based on described startup request, the index file generated in advance is loaded on internal memory, and wherein, described index file is kept in the assigned catalogue of terminal in advance, comprise in described terminal the fileinfo of each file stored in described index file, described fileinfo comprises filename;
Receive the search file information of described user input;
The filename of described search file information with each file in the index file in described internal memory is mated, and will the Search Results of file as described search file information of described search file information be comprised; And
Show described Search Results.
2. the searching method of file as claimed in claim 1, is characterized in that, describedly generates described index file in advance, specifically comprises:
The current file system daily record of reading terminals, and described current file system daily record is resolved, to obtain the fileinfo of each file in described current system daily record, wherein, described fileinfo also comprises the first identification information, second identification information of upper directory of current file and file type information;
Based on the fileinfo of described each file, set up a tree structure, wherein, each node of described tree structure comprises the fileinfo with file corresponding to each node; And
The fileinfo of node each in described tree structure is stored, to generate described index file.
3. the searching method of file as claimed in claim 1, it is characterized in that, before the index file generated in advance is loaded on internal memory, described method also comprises:
Obtain information update time of the index file in described assigned catalogue, and the current file system daily record of reading terminals;
Judge whether the fileinfo in described current file system daily record has renewal according to information described update time;
If there is renewal, then according to the fileinfo of updating file, the index file in described assigned catalogue is upgraded.
4. the searching method of file as claimed in claim 1, it is characterized in that, after the index file generated in advance is loaded on internal memory, described method also comprises:
Obtain information update time of the index file in described internal memory, and the current file system daily record of reading terminals;
Judge whether the fileinfo in described current file system daily record has renewal according to information described update time;
If there is renewal, then according to the fileinfo of updating file, the index file in described internal memory is upgraded.
5. the searching method of file as claimed in claim 1, it is characterized in that, in the process of carrying out file search, described method also comprises:
The file system journal of terminal is monitored;
When monitoring the fileinfo in described file system journal and upgrading, the fileinfo according to updating file upgrades the index file in described internal memory.
6. the searching method of file as claimed in claim 1, is characterized in that, described index file is loaded on internal memory, specifically comprises:
Based on memory-mapped mode, the index file be stored in assigned catalogue is mapped to internal memory.
7. the searching method of file as claimed in claim 1, it is characterized in that, while the described Search Results of described display, described method also comprises:
Show the information relevant to described search file information, wherein, described information links for providing the search of described search file information, obtains the relevant search result of described search file information to make described user according to described search link from internet.
8. the searching method of the file according to any one of claim 3 to 5, is characterized in that, after the described Search Results of described display, also comprises:
Export the index file in described internal memory, and upgrade the index file in described assigned catalogue with the index file in described internal memory.
9. a searcher for file, is characterized in that, comprising:
First receiver module, for receiving the startup request that user sends;
Load-on module, for asking based on described startup, the index file generated in advance is loaded on internal memory, wherein, described index file is kept in the assigned catalogue of terminal in advance, comprise in described terminal the fileinfo of each file stored in described index file, described fileinfo comprises filename;
Second receiver module, for receiving the search file information of described user input;
Search module, for being mated by the filename of described search file information with each file in the index file in described internal memory, and will comprise the Search Results of file as described search file information of described search file information; And
Display module, for showing described Search Results.
10. the searcher of file as claimed in claim 9, is characterized in that, also comprise:
Pretreatment module, for the current file system daily record of reading terminals, and described current file system daily record is resolved, to obtain the fileinfo of each file in described current system daily record, wherein, described fileinfo comprises the first identification information, second identification information of upper directory of current file, file type information and filename;
Based on the fileinfo of described each file, set up a tree structure, wherein, each node of described tree structure comprises the fileinfo with file corresponding to each node; And
The fileinfo of node each in described tree structure is stored, to generate described index file.
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