CN110147350A - File search method, device, electronic equipment and storage medium - Google Patents
File search method, device, electronic equipment and storage medium Download PDFInfo
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- CN110147350A CN110147350A CN201910431477.8A CN201910431477A CN110147350A CN 110147350 A CN110147350 A CN 110147350A CN 201910431477 A CN201910431477 A CN 201910431477A CN 110147350 A CN110147350 A CN 110147350A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/13—File access structures, e.g. distributed indices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/14—Details of searching files based on file metadata
- G06F16/148—File search processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/162—Delete operations
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Abstract
A kind of file search method, which comprises receive the file search request for carrying text key word；According to the text key word, is scanned in the local file index based on file system filter driver, obtain file destination, wherein, the filename of the file destination is matched with the text key word, or, the content of text of the file destination is matched with the text key word；Export the storage address of the file destination.The present invention also provides a kind of file search device, electronic equipment and storage mediums.The present invention can improve the search efficiency of file.
Description
Technical field
The present invention relates to intelligent terminal technical field more particularly to a kind of file search method, device, electronic equipment and deposit
Storage media.
Background technique
In office system (such as windows system), it usually needs quickly search some file destination, still
The included search efficiency of windows system is extremely low, and currently used solution is usually that software everything is used to come fastly
Fast search file name.
However, finding in practice, user often forgets about the filename of storage, and only remembers a part of text in file
This content, and the lookup mode based on software everything may search the file needed less than user, search efficiency is general.
Summary of the invention
In view of the foregoing, it is necessary to a kind of file search method, device, electronic equipment and storage medium are provided, it can
Improve the search efficiency of file.
The first aspect of the present invention provides a kind of file search method, which comprises
Receive the file search request for carrying text key word；
According to the text key word, scans for, obtain in the local file index based on file system filter driver
Obtain file destination, wherein the filename of the file destination is matched with the text key word, or, the text of the file destination
This content is matched with the text key word；
Export the storage address of the file destination.
In one possible implementation, before the file search that the reception carries text key word is requested, institute
State method further include:
Read the file in current file system；
Sentenced for each file according to file suffixes name, file size and the file memory format of the file
Whether the file that breaks is text file；
If the file is text file, filename and content of text based on the file create text file rope
Draw, alternatively, based on the filename of the file, creating non-document file index if the file is non-document file；
According to text file index and non-document file index, the local file index is created.
In one possible implementation, the method also includes:
The file system filter driver is loaded into operating system by application program；
By the file system filter driver after load, the action event that the All Files occur is monitored；
The action event is pulled back into the file system filter driver, and passing through the file system filter driver will
The action event feeds back to the application program；
By the application program, file corresponding with the action event in local file index is carried out more
Newly.
In one possible implementation, the action event is document creation event, described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether corresponding first file of the document creation event is text file；
If corresponding first file of the document creation event is text file, updates and be directed in the local file index
The filename and content of text of first file；Or,
If corresponding first file of the document creation event is non-document file, needle in the local file index is updated
To the filename of first file.
In one possible implementation, the action event is file deletion event, described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, corresponding second text of file deletion event described in the local file index is deleted
Part.
In one possible implementation, the action event is file modification event, described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether the corresponding third file of the file modification event is text file；
If the corresponding third file of the file modification event is text file, updates and be directed in the local file index
The filename and content of text of the third file；Or,
If the corresponding third file of the file modification event is non-document file, needle in the local file index is updated
To the filename of the third file.
In one possible implementation, the life cycle of the application program, the file system filter driver
The life cycle three of life cycle and the operating system is consistent.
The second aspect of the present invention provides a kind of file search device, and described device includes:
Receiving module, for receiving the file search request for carrying text key word；
Search module, for being indexed in the local file based on file system filter driver according to the text key word
In scan for, obtain file destination, wherein the filename of the file destination is matched with the text key word, or, described
The content of text of file destination is matched with the text key word；
Output module, for exporting the storage address of the file destination.
The third aspect of the present invention provides a kind of electronic equipment, and the electronic equipment includes processor and memory, described
Processor realizes the file search method when being used to execute the computer program stored in the memory.
The fourth aspect of the present invention provides a kind of computer readable storage medium, deposits on the computer readable storage medium
Computer program is contained, the file search method is realized when the computer program is executed by processor.
By above technical scheme, in the present invention, the file search request for carrying text key word can receive, further
Ground scans in the local file index based on file system filter driver according to the text key word, obtains target
File, wherein the filename of the file destination is matched with the text key word, or, the content of text of the file destination
It is matched with the text key word, finally, exporting the storage address of the file destination.As it can be seen that being based on file system in the present invention
The local file index of system filtration drive can not only scan for the filename of file, can also be to the content of text of file
It scans for, so as to improve the search efficiency of file.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the preferred embodiment of file search method disclosed by the invention.
Fig. 2 is a kind of functional block diagram of the preferred embodiment of file search device disclosed by the invention.
Fig. 3 is the structural schematic diagram of the electronic equipment for the preferred embodiment that the present invention realizes file search method.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying example, the present invention will be described in detail.It should be noted that in the absence of conflict, the embodiment of the present invention and embodiment
In feature can be combined with each other.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Wherein, the electronic equipment includes that one kind can be automatic to carry out numerical value meter according to the instruction for being previously set or storing
It calculates and/or the electronic equipment of information processing, hardware includes but is not limited to microprocessor, specific integrated circuit (ASIC), can compile
Journey gate array (FPGA), digital processing unit (DSP), embedded device etc..The electronic equipment may also include the network equipment and/or
User equipment.Wherein, the network equipment includes but is not limited to the service of single network server, multiple network servers composition
Device group or the cloud being made of a large amount of hosts or network server for being based on cloud computing (Cloud Computing), wherein cloud computing
It is one kind of distributed computing, a super virtual computer consisting of a loosely coupled set of computers.The user
Equipment include but is not limited to any one can with user by the modes such as keyboard, mouse, remote controler, touch tablet or voice-operated device into
The electronic product of row human-computer interaction, for example, personal computer, tablet computer, smart phone, personal digital assistant PDA, game
Machine, Interactive Internet TV IPTV, intellectual wearable device etc..Wherein, net locating for the user equipment and the network equipment
Network includes but is not limited to internet, wide area network, Metropolitan Area Network (MAN), local area network, Virtual Private Network VPN etc..
Referring to Figure 1, Fig. 1 is a kind of flow chart of the preferred embodiment of file search method disclosed by the invention.Wherein,
The sequence of step can change in the flow chart according to different requirements, and certain steps can be omitted.
S11, electronic equipment receive the file search request for carrying text key word.
In the embodiment of the present invention, when user requires to look up some file, user can input in application layer and carry text
The file search of this keyword is requested.
Wherein, the text key word can be all or part of keyword in file name, alternatively, the text closes
Keyword can be the Partial key word in the content of text that file includes.
As an alternative embodiment, reception described in step S11 carries the file search request of text key word
Before, the method also includes:
Read the All Files in current file system；
Sentenced for each file according to file suffixes name, file size and the file memory format of the file
Whether the file that breaks is text file；
If the file is text file, filename and content of text based on the file create text file rope
Draw；
If the file is non-document file, based on the filename of the file, non-document file index is created；
According to text file index and non-document file index, the local file index is created.
In the optional embodiment, with NTFS (New Technology File System, new technology file system
System) for, most of windows is such file system.A table MTF (Master File can be safeguarded in NTFS
Table, main file table), all files and file name are stored in the MTF table, are just passed through when starting for the first time
The content for reading the MTF table gets all file name and path, further, carries out screening to the All Files, with
Distinguishing which file is text file, which file is non-document file, and creates local file index.If subsequent user behaviour
Make file, local file can be indexed and be modified.
In general, the file suffixes name of text file can include but is not limited to doc, txt, json, the text of non-document file
Part suffix name can include but is not limited to mp4, avi, mpg, mlv, and memory shared by text file is than memory shared by non-document file
Want small, in addition, in order to avoid huge non-document file is modified as text file by malice, it is also necessary to reflect to text file
Not.
Wherein, each different types of file, storage on computers can exist with different structures, these are various to have
The structure of rule is described as file memory format, such as: the exe of windows platform, dll, sys file are referred to as PE file,
And possessing oneself distinctive format, for example the first two byte of file is 4D5A, this is the mark of PE file, for another example MP4 lattice
The file of formula, the content of 4-7 byte are exactly 66 74 79 70.It therefore, can be with root when identifying to text file
Judged according to the file memory format of file in a computer,
Specifically, it is directed to each file, it can be according to file suffixes name, file size and the file of the file
Storage format judges whether the file is text file, if the file suffixes name of the file belongs to the text of text file
Part suffix name, and the file size of the file is no more than preset text file size (such as 10M), and the text of the file
Part storage format is the file memory format of text file, then can determine that the file is text file, whereas if described
It is more than preset text that the file suffixes name of file, which is not belonging to the file suffixes name of text file or the file size of the file,
The file memory format of file size (such as 10M) or the file is the file memory format of non-document file, as long as above-mentioned
Any one of three conditions or any two or three establishments can then determine that the file is non-document file.
After distinguishing text file and non-document file, for text file, it can be based on filename and content of text,
Text file index is created, for non-document file, filename can be based on, creation non-document file indexes, and then according to institute
State text file index and non-document file index, creation local file index.
Local file index based on aforesaid way creation can be with when the text key word of input is matched with filename
Matched text file or non-document file are searched out to come, it, can be with when the text key word of input is matched with content of text
Matched text file is searched out to come.
S12, electronic equipment are according to the text key word, in the local file index based on file system filter driver
It scans for, obtains file destination.
The present invention is based on the file system filter driver MiniFilter of windows, and the file for including is indexed to local file
Action event monitored.It is inserted into a MiniFilter module in the bottom of operating system, then the creation of file, deleting
The action message removed, modify and check before operating successfully can choose interception by the MiniFilter modular filtration, user
Or it lets pass, while also available to information such as the complete trails of file, title, content and attributes.
Since local file index is based on file system filter driver, no matter any behaviour be to file by previous user
Making (creation, delete, modification) can be monitored by file system filter driver, and then modify local file index, in real time more
New local file index.When subsequent user input text key word is searched, electronic equipment can be from filename and text
Two aspects of this content are searched, to search out filename and the matched file destination of the text key word, alternatively, search
Content of text and the matched file destination of the text key word out.That is, the filename of the file destination and the text close
Keyword matching, or, the content of text of the file destination is matched with the text key word.
In the present invention, can efficient accurately all associated documents in locating file system, with most fast speed from drive
Dynamic layer (i.e. file system filter driver) takes the information of most accurate file, meanwhile, support various ways locating file, it can also be with
It is quickly positioned by content of text, the efficiency that the system of greatly improving uses.
As an alternative embodiment, the method also includes:
The file system filter driver is loaded into operating system by application program；
By the file system filter driver after load, the action event that the All Files occur is monitored；
The action event is pulled back into the file system filter driver, and passing through the file system filter driver will
The action event feeds back to the application program；
By the application program, file corresponding with the action event in local file index is carried out more
Newly.
It, can be by application program by the file system filter when loading for the first time in the optional embodiment
Drive load is into operating system, specifically, application program can load the file system filter driver (i.e. win kernel mould
Block), after allowing the file system filter driver to enter in the working space of operating system, just become one of operating system
Point, one piece of memory is shared with the operating system, belongs to a process.After the file system filter driver work, the text
Part system filtration drive can directly be communicated with application program.And then pass through the file system mistake after load
The action event that the All Files occur is monitored in filter driving, such as: document creation event, file deletion event and file
Modification event etc..It, can be by the action event when file system filter driver after load listens to these action events
It pulls back to the file system filter driver, and by the file system filter driver is fed back to the action event described
Application program；Finally, again by the application program, to file corresponding with the action event in local file index
It is updated.
Wherein, the life cycle of the application program, the life cycle of the file system filter driver and the behaviour
The life cycle three for making system is consistent.
As an alternative embodiment, the action event is document creation event, it is described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether corresponding first file of the document creation event is text file；
If corresponding first file of the document creation event is text file, updates and be directed in the local file index
The filename and content of text of first file；Or,
If corresponding first file of the document creation event is non-document file, needle in the local file index is updated
To the filename of first file.
In the optional embodiment, when the action event that the file system filter driver listens to is document creation
When event, show there is user to create new file, this document creation event can pull back in the file system filter driver, institute
It states file system filter driver to need this document creation event feeding back to the application program, specifically, the content of feedback can
To include but is not limited to the time of document creation, file full path diameter, file name, file size, file attribute (it is readable, writeable,
It hides).
Further, application program also needs to judge whether corresponding first file of the document creation event is text text
Part, specifically, can be according to file suffixes name, file size and the file memory format of first file, described in judgement
Whether the first file is text file, and specific descriptions are referred to described above, and details are not described herein.If the document creation
Corresponding first file of event is text file, can update the file that first file is directed in the local file index
Name and content of text；Or, if corresponding first file of the document creation event is non-document file, it is only necessary to described in update
The filename of first file is directed in local file index.
As an alternative embodiment, the action event is file deletion event, it is described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, corresponding second text of file deletion event described in the local file index is deleted
Part.
In the optional embodiment, when the action event that the file system filter driver listens to is file deletion
When event, showing there is user to delete some file, this document deletion event can pull back in the file system filter driver,
The file system filter driver needs this document deletion event feeding back to the application program, specifically, the content of feedback
Can include but is not limited to file deletion time, file full path diameter, file name, file size, file attribute (it is readable, can
It writes, hide).
After being deleted due to file, what this document was just not present, either text file or non-document file all do not need
Filename or content of text are updated, thus, when listening to the action event is file deletion event, it is only necessary to pass through institute
Application program is stated, corresponding second file of file deletion event described in the local file index is deleted.
As an alternative embodiment, the action event is file modification event, it is described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether the corresponding third file of the file modification event is text file；
If the corresponding third file of the file modification event is text file, updates and be directed in the local file index
The filename and content of text of the third file；Or,
If the corresponding third file of the file modification event is non-document file, needle in the local file index is updated
To the filename of the third file.
In the optional embodiment, when the action event that the file system filter driver listens to is file modification
When event, showing there is user to have modified some file, this document modification event can pull back in the file system filter driver,
The file system filter driver needs this document modification event feeding back to the application program, specifically, the content of feedback
It can include but is not limited to the time that file is finally modified, file full path diameter, file name, file size, file attribute (can
It reads, is writeable, hiding).
Further, application program also needs to judge whether the corresponding third file of the file modification event is text text
Part, specifically, can be according to file suffixes name, file size and the file memory format of the third file, described in judgement
Whether third file is text file, and specific descriptions are referred to described above, and details are not described herein.If the file modification
The corresponding third file of event is text file, can update the file that the third file is directed in the local file index
Name and content of text；Or, if the corresponding third file of the file modification event is non-document file, it is only necessary to described in update
The filename of the third file is directed in local file index.
S13, electronic equipment export the storage address of the file destination.
Wherein, after searching file destination, that is, the position where file destination has been determined, it can be to described in user's output
The storage address of file destination.
Wherein, the file destination is one or more.
In the method flow described in Fig. 1, the file search request for carrying text key word can receive, further
Ground scans in the local file index based on file system filter driver according to the text key word, obtains target
File, wherein the filename of the file destination is matched with the text key word, or, the content of text of the file destination
It is matched with the text key word, finally, exporting the storage address of the file destination.As it can be seen that being based on file system in the present invention
The local file index of system filtration drive can not only scan for the filename of file, can also be to the content of text of file
It scans for, so as to improve the search efficiency of file.
The above is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, for
For those skilled in the art, without departing from the concept of the premise of the invention, improvement, but these can also be made
It all belongs to the scope of protection of the present invention.
Fig. 2 is referred to, Fig. 2 is a kind of functional block diagram of the preferred embodiment of file search device disclosed by the invention.
In some embodiments, the file search device is run in electronic equipment.The file search device can be with
Including multiple functional modules as composed by program code segments.The program code of each program segment in the file search device
It can store in memory, and as performed by least one processor, to execute in file search method described in Fig. 1
Part or all of step.
In the present embodiment, function of the file search device according to performed by it can be divided into multiple function moulds
Block.The functional module may include: receiving module 201, search module 202 and output module 203.The so-called module of the present invention
Refer to it is a kind of performed by least one processor and can complete the series of computation machine program segment of fixed function,
Storage is in memory.In some embodiments, it will be described in detail in subsequent embodiment about the function of each module.
Receiving module 201, for receiving the file search request for carrying text key word；
In the embodiment of the present invention, when user requires to look up some file, user can input in application layer and carry text
The file search of this keyword is requested.
Wherein, the text key word can be all or part of keyword in file name, alternatively, the text closes
Keyword can be the Partial key word in the content of text that file includes.
As an alternative embodiment, the file search device further include:
Read module, before the file search request for carrying text key word in the receiving module 201 reception,
Read the All Files in current file system；
Judgment module, for being directed to each file, according to file suffixes name, file size and the text of the file
Part storage format judges whether the file is text file；
Creation module, if being text file, filename and content of text based on the file, wound for the file
Build text file index；
The creation module, based on the filename of the file, creates non-if being also used to the file is non-document file
Text file index；
The creation module is also used to be indexed according to the text file and the non-document file indexes, creates institute
State local file index.
In the optional embodiment, with NTFS (New Technology File System, new technology file system
System) for, most of windows is such file system.A table MTF (Master File can be safeguarded in NTFS
Table, main file table), all files and file name are stored in the MTF table, are just passed through when starting for the first time
The content for reading the MTF table gets all file name and path, further, carries out screening to the All Files, with
Distinguishing which file is text file, which file is non-document file, and creates local file index.If subsequent user behaviour
Make file, local file can be indexed and be modified.
In general, the file suffixes name of text file can include but is not limited to doc, txt, json, the text of non-document file
Part suffix name can include but is not limited to mp4, avi, mpg, mlv, and memory shared by text file is than memory shared by non-document file
Want small, in addition, in order to avoid huge non-document file is modified as text file by malice, it is also necessary to reflect to text file
Not.
Wherein, each different types of file, storage on computers can exist with different structures, these are various to have
The structure of rule is described as file memory format, such as: the exe of windows platform, dll, sys file are referred to as PE file,
And possessing oneself distinctive format, for example the first two byte of file is 4D5A, this is the mark of PE file, for another example MP4 lattice
The file of formula, the content of 4-7 byte are exactly 66 74 79 70.It therefore, can be with root when identifying to text file
Judged according to the file memory format of file in a computer,
Specifically, it is directed to each file, it can be according to file suffixes name, file size and the file of the file
Storage format judges whether the file is text file, if the file suffixes name of the file belongs to the text of text file
Part suffix name, and the file size of the file is no more than preset text file size (such as 10M), and the text of the file
Part storage format is the file memory format of text file, then can determine that the file is text file, whereas if described
It is more than preset text that the file suffixes name of file, which is not belonging to the file suffixes name of text file or the file size of the file,
The file memory format of file size (such as 10M) or the file is the file memory format of non-document file, as long as above-mentioned
Any one of three conditions or any two or three establishments can then determine that the file is non-document file.
After distinguishing text file and non-document file, for text file, it can be based on filename and content of text,
Text file index is created, for non-document file, filename can be based on, creation non-document file indexes, and then according to institute
State text file index and non-document file index, creation local file index.
Local file index based on aforesaid way creation can be with when the text key word of input is matched with filename
Matched text file or non-document file are searched out to come, it, can be with when the text key word of input is matched with content of text
Matched text file is searched out to come.
Search module 202 is used for according to the text key word, in the local file rope based on file system filter driver
It is scanned in drawing, obtains file destination, wherein the filename of the file destination is matched with the text key word, or, institute
The content of text for stating file destination is matched with the text key word；
The present invention is based on the file system filter driver MiniFilter of windows, and the file for including is indexed to local file
Action event monitored.It is inserted into a MiniFilter module in the bottom of operating system, then the creation of file, deleting
The action message removed, modify and check before operating successfully can choose interception by the MiniFilter modular filtration, user
Or it lets pass, while also available to information such as the complete trails of file, title, content and attributes.
Since local file index is based on file system filter driver, no matter any behaviour be to file by previous user
Making (creation, delete, modification) can be monitored by file system filter driver, and then modify local file index, in real time more
New local file index.When subsequent user input text key word is searched, electronic equipment can be from filename and text
Two aspects of this content are searched, to search out filename and the matched file destination of the text key word, alternatively, search
Content of text and the matched file destination of the text key word out.That is, the filename of the file destination and the text close
Keyword matching, or, the content of text of the file destination is matched with the text key word.
In the present invention, can efficient accurately all associated documents in locating file system, with most fast speed from drive
Dynamic layer (i.e. file system filter driver) takes the information of most accurate file, meanwhile, support various ways locating file, it can also be with
It is quickly positioned by content of text, the efficiency that the system of greatly improving uses.
As an alternative embodiment, the file search device further include:
Loading module, for the file system filter driver to be loaded into operating system by application program；
Module is monitored, for monitoring what the All Files occurred by the file system filter driver after load
Action event；
Feedback module is adjusted back, for the action event to be pulled back to the file system filter driver, and by described
The action event is fed back to the application program by file system filter driver；
Update module is used for through the application program, to corresponding with the action event in local file index
File be updated.
It, can be by application program by the file system filter when loading for the first time in the optional embodiment
Drive load is into operating system, specifically, application program can load the file system filter driver (i.e. win kernel mould
Block), after allowing the file system filter driver to enter in the working space of operating system, just become one of operating system
Point, one piece of memory is shared with the operating system, belongs to a process.After the file system filter driver work, the text
Part system filtration drive can directly be communicated with application program.And then pass through the file system mistake after load
The action event that the All Files occur is monitored in filter driving, such as: document creation event, file deletion event and file
Modification event etc..It, can be by the action event when file system filter driver after load listens to these action events
It pulls back to the file system filter driver, and by the file system filter driver is fed back to the action event described
Application program；Finally, again by the application program, to file corresponding with the action event in local file index
It is updated.
Wherein, the life cycle of the application program, the life cycle of the file system filter driver and the behaviour
The life cycle three for making system is consistent.
As an alternative embodiment, the action event is document creation event, the update module passes through institute
Application program is stated, file corresponding with the action event in local file index is updated and includes:
By the application program, judge whether corresponding first file of the document creation event is text file；
If corresponding first file of the document creation event is text file, updates and be directed in the local file index
The filename and content of text of first file；Or,
If corresponding first file of the document creation event is non-document file, needle in the local file index is updated
To the filename of first file.
In the optional embodiment, when the action event that the file system filter driver listens to is document creation
When event, show there is user to create new file, this document creation event can pull back in the file system filter driver, institute
It states file system filter driver to need this document creation event feeding back to the application program, specifically, the content of feedback can
To include but is not limited to the time of document creation, file full path diameter, file name, file size, file attribute (it is readable, writeable,
It hides).
Further, application program also needs to judge whether corresponding first file of the document creation event is text text
Part, specifically, can be according to file suffixes name, file size and the file memory format of first file, described in judgement
Whether the first file is text file, and specific descriptions are referred to described above, and details are not described herein.If the document creation
Corresponding first file of event is text file, can update the file that first file is directed in the local file index
Name and content of text；Or, if corresponding first file of the document creation event is non-document file, it is only necessary to described in update
The filename of first file is directed in local file index.
As an alternative embodiment, the action event is file deletion event, the update module passes through institute
Application program is stated, file corresponding with the action event in local file index is updated and includes:
By the application program, corresponding second text of file deletion event described in the local file index is deleted
Part.
In the optional embodiment, when the action event that the file system filter driver listens to is file deletion
When event, showing there is user to delete some file, this document deletion event can pull back in the file system filter driver,
The file system filter driver needs this document deletion event feeding back to the application program, specifically, the content of feedback
Can include but is not limited to file deletion time, file full path diameter, file name, file size, file attribute (it is readable, can
It writes, hide).
After being deleted due to file, what this document was just not present, either text file or non-document file all do not need
Filename or content of text are updated, thus, when listening to the action event is file deletion event, it is only necessary to pass through institute
Application program is stated, corresponding second file of file deletion event described in the local file index is deleted.
As an alternative embodiment, the action event is file modification event, the update module passes through institute
Application program is stated, file corresponding with the action event in local file index is updated and includes:
By the application program, judge whether the corresponding third file of the file modification event is text file；
If the corresponding third file of the file modification event is text file, updates and be directed in the local file index
The filename and content of text of the third file；Or,
If the corresponding third file of the file modification event is non-document file, needle in the local file index is updated
To the filename of the third file.
In the optional embodiment, when the action event that the file system filter driver listens to is file modification
When event, showing there is user to have modified some file, this document modification event can pull back in the file system filter driver,
The file system filter driver needs this document modification event feeding back to the application program, specifically, the content of feedback
It can include but is not limited to the time that file is finally modified, file full path diameter, file name, file size, file attribute (can
It reads, is writeable, hiding).
Further, application program also needs to judge whether the corresponding third file of the file modification event is text text
Part, specifically, can be according to file suffixes name, file size and the file memory format of the third file, described in judgement
Whether third file is text file, and specific descriptions are referred to described above, and details are not described herein.If the file modification
The corresponding third file of event is text file, can update the file that the third file is directed in the local file index
Name and content of text；Or, if the corresponding third file of the file modification event is non-document file, it is only necessary to described in update
The filename of the third file is directed in local file index.
Output module 203, for exporting the storage address of the file destination.
Wherein, after searching file destination, that is, the position where file destination has been determined, it can be to described in user's output
The storage address of file destination.
Wherein, the file destination is one or more.
In the file search device described in Fig. 2, the file search request for carrying text key word can receive, into
One step, according to the text key word, scans for, obtain in the local file index based on file system filter driver
File destination, wherein the filename of the file destination is matched with the text key word, or, the text of the file destination
Content is matched with the text key word, finally, exporting the storage address of the file destination.As it can be seen that in the present invention, based on text
The local file index of part system filtration drive can not only scan for the filename of file, can also be to the text of file
Content scans for, so as to improve the search efficiency of file.
As shown in figure 3, Fig. 3 is the structural representation of the electronic equipment for the preferred embodiment that the present invention realizes file search method
Figure.The electronic equipment 3 includes memory 31, at least one processor 32, is stored in the memory 31 and can be described
The computer program 33 and at least one communication bus 34 run at least one processor 32.
It will be understood by those skilled in the art that schematic diagram shown in Fig. 3 is only the example of electronic equipment 3, do not constitute
Restriction to electronic equipment 3 may include perhaps combining certain components or different than illustrating more or fewer components
Component, such as the electronic equipment 3 can also include input-output equipment, network access equipment etc..
The electronic equipment 3 further include but be not limited to any one can be with user by keyboard, mouse, remote controler, touch
The modes such as plate or voice-operated device carry out the electronic product of human-computer interaction, for example, personal computer, tablet computer, smart phone, a
Personal digital assistant (Personal Digital Assistant, PDA), game machine, Interactive Internet TV (Internet
Protocol Television, IPTV), intellectual wearable device etc..Network locating for the electronic equipment 3 includes but not
It is limited to internet, wide area network, Metropolitan Area Network (MAN), local area network, Virtual Private Network (Virtual Private Network, VPN) etc..
At least one described processor 32 can be central processing unit (Central Processing Unit, CPU),
It can also be other general processors, digital signal processor (Digital Signal Processor, DSP), dedicated integrated
Circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..The processor 32 can be microprocessor or the processor 32 is also possible to any conventional processor
Deng the processor 32 is the control centre of the electronic equipment 3, utilizes various interfaces and the entire electronic equipment 3 of connection
Various pieces.
The memory 31 can be used for storing the computer program 33 and/or module/unit, and the processor 32 passes through
Operation executes the computer program and/or module/unit being stored in the memory 31, and calls and be stored in memory
Data in 31 realize the various functions of the electronic equipment 3.The memory 31 can mainly include storing program area and storage
Data field, wherein storing program area can application program needed for storage program area, at least one function (for example sound plays
Function, image player function etc.) etc.；Storage data area, which can be stored, uses created data (such as sound according to electronic equipment 3
Frequency evidence, phone directory etc.) etc..In addition, memory 31 may include high-speed random access memory, it can also include non-volatile
Memory, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital
(Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other
Volatile solid-state part.
In conjunction with Fig. 1, the memory 31 in the electronic equipment 3 stores multiple instruction to realize a kind of file search side
The multiple instruction can be performed to realize in method, the processor 32:
Receive the file search request for carrying text key word；
According to the text key word, scans for, obtain in the local file index based on file system filter driver
Obtain file destination, wherein the filename of the file destination is matched with the text key word, or, the text of the file destination
This content is matched with the text key word；
Export the storage address of the file destination.
In a kind of optional embodiment, before the reception carries the file search request of text key word, institute
Stating processor 32 can be performed the multiple instruction to realize:
Read the All Files in current file system；
Sentenced for each file according to file suffixes name, file size and the file memory format of the file
Whether the file that breaks is text file；
If the file is text file, filename and content of text based on the file create text file rope
Draw；
If the file is non-document file, based on the filename of the file, non-document file index is created；
According to text file index and non-document file index, the local file index is created.
In a kind of optional embodiment, the multiple instruction is can be performed to realize in the processor 32:
The file system filter driver is loaded into operating system by application program；
By the file system filter driver after load, the action event that the All Files occur is monitored；
The action event is pulled back into the file system filter driver, and passing through the file system filter driver will
The action event feeds back to the application program；
By the application program, file corresponding with the action event in local file index is carried out more
Newly.
In a kind of optional embodiment, the action event is document creation event, described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether corresponding first file of the document creation event is text file；
If corresponding first file of the document creation event is text file, updates and be directed in the local file index
The filename and content of text of first file；Or,
If corresponding first file of the document creation event is non-document file, needle in the local file index is updated
To the filename of first file.
In a kind of optional embodiment, the action event is file deletion event, described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, corresponding second text of file deletion event described in the local file index is deleted
Part.
In a kind of optional embodiment, the action event is file modification event, described to apply journey by described
Sequence is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether the corresponding third file of the file modification event is text file；
If the corresponding third file of the file modification event is text file, updates and be directed in the local file index
The filename and content of text of the third file；Or,
If the corresponding third file of the file modification event is non-document file, needle in the local file index is updated
To the filename of the third file.
In a kind of optional embodiment, the life cycle of the application program, the file system filter driver
The life cycle three of life cycle and the operating system is consistent.
Specifically, the processor 32 can refer to the concrete methods of realizing of above-metioned instruction related in Fig. 1 corresponding embodiment
The description of step, this will not be repeated here.
In the electronic equipment 3 described in Fig. 3, the file search request for carrying text key word can receive, into one
Step ground scans in the local file index based on file system filter driver according to the text key word, obtains mesh
Mark file, wherein the filename of the file destination is matched with the text key word, or, in the text of the file destination
Appearance is matched with the text key word, finally, exporting the storage address of the file destination.As it can be seen that being based on file in the present invention
The local file index of system filtration drive can not only scan for the filename of file, can also be in the text of file
Appearance scans for, so as to improve the search efficiency of file.
If the integrated module/unit of the electronic equipment 3 is realized in the form of SFU software functional unit and as independent
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, the present invention is real
All or part of the process in existing above-described embodiment method, can also instruct relevant hardware come complete by computer program
At the computer program can be stored in a computer readable storage medium, which is being executed by processor
When, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, described
Computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..The meter
Calculation machine readable medium may include: can carry the computer program code any entity or device, recording medium, USB flash disk,
Mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier wave letter
Number and telecommunication signal.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module
It divides, only a kind of logical function partition, there may be another division manner in actual implementation.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds software function module.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any attached associated diagram label in claim should not be considered as right involved in limitation to want
It asks.Furthermore, it is to be understood that one word of " comprising " does not exclude other units or steps, odd number is not excluded for plural number.It is stated in system claims
Multiple units or device can also be implemented through software or hardware by a unit or device.Second equal words are used to table
Show title, and does not indicate any particular order.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of file search method, which is characterized in that the described method includes:
Receive the file search request for carrying text key word；
According to the text key word, is scanned in the local file index based on file system filter driver, obtain mesh
Mark file, wherein the filename of the file destination is matched with the text key word, or, in the text of the file destination
Appearance is matched with the text key word；
Export the storage address of the file destination.
2. the method according to claim 1, wherein the file search that the reception carries text key word is asked
Before asking, the method also includes:
Read the file in current file system；
Institute is judged according to file suffixes name, file size and the file memory format of the file for each file
State whether file is text file；
If the file is text file, filename and content of text based on the file create text file index, or
Person, based on the filename of the file, creates non-document file index if the file is non-document file；
According to text file index and non-document file index, the local file index is created.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
The file system filter driver is loaded into operating system by application program；
By the file system filter driver after load, the action event that the All Files occur is monitored；
The action event is pulled back into the file system filter driver, and will be described by the file system filter driver
Action event feeds back to the application program；
By the application program, file corresponding with the action event in local file index is updated.
4. according to the method described in claim 3, it is characterized in that, the action event be document creation event, it is described to pass through
The application program is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether corresponding first file of the document creation event is text file；
If corresponding first file of the document creation event is text file, update in the local file index for described
The filename and content of text of first file；Or,
If corresponding first file of the document creation event is non-document file, update in the local file index for institute
State the filename of the first file.
5. according to the method described in claim 3, it is characterized in that, the action event be file deletion event, it is described to pass through
The application program is updated to file corresponding with the action event in local file index and includes:
By the application program, corresponding second file of file deletion event described in the local file index is deleted.
6. according to the method described in claim 3, it is characterized in that, the action event be file modification event, it is described to pass through
The application program is updated to file corresponding with the action event in local file index and includes:
By the application program, judge whether the corresponding third file of the file modification event is text file；
If the corresponding third file of the file modification event is text file, update in the local file index for described
The filename and content of text of third file；Or,
If the corresponding third file of the file modification event is non-document file, update in the local file index for institute
State the filename of third file.
7. method according to any one of claim 3 to 6, which is characterized in that the life cycle of the application program, institute
The life cycle three of the life cycle and the operating system of stating file system filter driver is consistent.
8. a kind of file search device, which is characterized in that the file search device includes:
Receiving module, for receiving the file search request for carrying text key word；
Search module, for according to the text key word, in the local file index based on file system filter driver into
Row search, obtains file destination, wherein the filename of the file destination is matched with the text key word, or, the target
The content of text of file is matched with the text key word；
Output module, for exporting the storage address of the file destination.
9. a kind of electronic equipment, which is characterized in that the electronic equipment includes processor and memory, and the processor is for holding
The computer program stored in line storage is to realize file search method as claimed in any of claims 1 to 7 in one of claims.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has at least one
Instruction, at least one described instruction realize file search as claimed in any of claims 1 to 7 in one of claims when being executed by processor
Method.
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Application publication date: 20190820 |