CN111901684B - File classification method and related device - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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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
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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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
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/906—Clustering; Classification
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Abstract
The invention discloses a file classification method, which stores files stored in an intelligent television through a database table established by SQLite, can flexibly set various file types for storage, has no limitation on file formats, and can also be conveniently read by other applications. The SQLite is a light database and is embedded into an Android system, so that the method is very convenient to use, occupies very low resources, and is very friendly to equipment with low configuration, such as an Android television. The invention also provides a file classifying device, a file classifying device and a computer readable storage medium, and the file classifying device, the file classifying device and the computer readable storage medium also have the beneficial effects.
Description
Technical Field
The present invention relates to the field of smart tv technologies, and in particular, to a file classification method, a file classification device, a file classification apparatus, and a computer-readable storage medium.
Background
At present, a system used by the smart television is generally an Android system, while Android system-based file classification mostly mainly includes MediaScanner, types and storage are distinguished according to a defined file format, a third-party application can acquire a specific file classification through a system interface, and since the Android television has an unsupported media format condition, a specific media format needs to be filtered, so that a specific technology is needed to realize the function.
Since the media classification service of the Android system is fixed for the media format specification, and the media format supported by the television chip is generally determined by the chip manufacturer and the hash table, when the media formats conflict with each other, there is no way to classify the files by using the service of the Android system. Therefore, how to provide a file classification method is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a file classification method which can flexibly classify files in an Android system smart television; another object of the present invention is to provide a file classifying device, a file classifying apparatus, and a computer readable storage medium, which can flexibly classify files in an Android system smart tv.
In order to solve the above technical problem, the present invention provides a file classification method, including:
traversing files stored in the smart television;
writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name;
and storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
Optionally, after writing the file basic information of the file into the database table corresponding to the file type according to the file type corresponding to the file suffix, the method further includes:
when the file basic information of the file is written into the database tables, counting the number of the files written into the file basic information in any one database table;
and when the number of the files meets a preset condition, sending data updating information corresponding to the database table to a target application, and displaying information of the files stored in the intelligent television through the target application according to the data updating information.
Optionally, when the number of files meets a preset condition, sending data update information corresponding to the database table to a target application includes:
when the quantity of the newly added files in any database table reaches a quantity threshold value, sending data updating information corresponding to the basic information of the newly added files in the database table to a target application; the data updating message comprises basic information of the newly added file in the database table.
Optionally, when the number of the newly added files in any one of the database tables reaches a number threshold, sending, to a target application, a data update message corresponding to the basic information of the newly added files in the database table includes:
and when the quantity of the newly added files in any database table reaches a quantity threshold value, sending a data updating message corresponding to the basic information of the newly added files in the database table to a target application through an AIDL interface.
Optionally, traversing files stored in the smart television includes:
and traversing files stored in the intelligent television and files stored in the external storage equipment of the intelligent television.
Optionally, the file type includes any one or any combination of the following:
video files, music files, picture files, installation package files, and compression package files.
The invention also provides a file classification device, comprising:
a traversing module: the file traversing method comprises the steps of traversing files stored in the smart television;
a database table module: the database table is used for writing the file basic information of the file into the database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name;
db file storage module: and the database management system is used for storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
Optionally, the method further includes:
a statistic module: the method comprises the steps of counting the number of files written with the file basic information in any database table when the file basic information of the files is written into the database tables;
sharing the module: and the data updating information corresponding to the database table is sent to a target application when the number of the files meets a preset condition, and the information of the files stored in the intelligent television is displayed through the target application according to the data updating information.
The invention also provides a file classification device, comprising:
a memory: for storing a computer program;
a processor: for implementing the steps of the document classification method according to any one of the preceding claims when executed by said computer program.
The invention also provides a computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the file classification method according to any one of the preceding claims.
The file classification method provided by the invention comprises the steps of traversing files stored in an intelligent television; writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name; and storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
Files stored in the smart television are stored through a database table established by the SQLite, various file types can be flexibly set for storage, the file format is not limited, and other applications can also be conveniently read. The SQLite is a light database and is embedded into an Android system, so that the method is very convenient to use, occupies very low resources, and is very friendly to equipment with low configuration, such as an Android television.
The invention also provides a file classification device, a file classification device and a computer readable storage medium, which also have the beneficial effects and are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a flowchart of a file classification method according to an embodiment of the present invention;
FIG. 2 is a flowchart of a specific file classification method provided in an embodiment of the present invention;
FIG. 3 is a block diagram of a file classifying device according to an embodiment of the present invention;
fig. 4 is a block diagram of a file classifying device according to an embodiment of the present invention.
Detailed Description
The core of the invention is to provide a file classification method. In the prior art, since the media classification service of the Android system is fixed for the media format specification, and the media format supported by the television chip is generally determined by the chip manufacturer and the hash table, when the media formats conflict with each other, there is no way to classify the files by using the service of the Android system.
The file classification method provided by the invention comprises the steps of traversing files stored in the smart television; writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name; and storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
Files stored in the smart television are stored through a database table established by the SQLite, various file types can be flexibly set for storage, the file format is not limited, and other applications can also be conveniently read. The SQLite is a light database and is embedded into an Android system, so that the method is very convenient to use, occupies very low resources, and is very friendly to equipment with low configuration, such as an Android television.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a file classification method according to an embodiment of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a file classification method includes:
s101: and traversing files stored in the intelligent television.
In this step, it is generally required to traverse files stored inside the smart television and files stored in the external storage device of the smart television. In the traversal process, parameters such as file name suffixes, sizes, positions and the like of all files are mainly inquired.
S102: and writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix.
In the embodiment of the invention, the database table is established by SQLite, and any database table corresponds to a file type; the file basic information includes a file path and a file name. SQLite is an open source lightweight database management system for rapid data storage and lookup. In the embodiment of the invention, a database table needs to be established in advance through the SQLite, a plurality of database tables are usually required to be established, and any database table has a corresponding file type. This file type may generally include any one or any combination of the following in embodiments of the invention: video files, music files, picture files, installation package files, and compression package files. Of course, the specific inclusion range of the file type is not particularly limited in the present invention, as the case may be. Generally, the file types need to include all the above file types in the embodiment of the present invention.
In this step, the file type corresponding to the file is determined according to the file suffix, and then the file basic information of the file is written into a database table corresponding to the file type of the file for storage, wherein the file basic information at least needs to include a file path and a file name of the file, so as to ensure that other software can query the file based on the file basic information stored in the database table. In general, the basic information of the file usually needs to include basic information such as a file size.
S103: and storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
When a database table is created using SQLite, a db file, i.e., a database file, is generated. In the step, the db file is stored in a data partition of an Android system carried by the smart television, and other applications can acquire required data through the db file stored in the Android system. Due to the limitation of Android system permission, the data partition can be operated only by system application, so that third-party application cannot be operated and can be operated only in a form of pre-installed application.
The file classification method provided by the embodiment of the invention comprises the steps of traversing files stored in an intelligent television; writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name; and storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
Files stored in the smart television are stored through a database table established by the SQLite, various file types can be flexibly set for storage, the file format is not limited, and other applications can also be conveniently read. The SQLite is a light database and is embedded into an Android system, so that the method is very convenient to use, occupies very low resources, and is very friendly to equipment with low configuration, such as an Android television.
The following embodiments of the present invention will be described in detail with reference to the specific contents of a file classification method provided by the present invention.
Referring to fig. 2, fig. 2 is a flowchart illustrating a specific file classification method according to an embodiment of the present invention.
Referring to fig. 2, in an embodiment of the present invention, a file classification method includes:
s201: and traversing files stored in the intelligent television.
S202: and writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix.
S201 to S202 are substantially the same as S101 to S102 in the above embodiment of the invention, and the details have been described in the above embodiment of the invention and will not be described herein again.
S203: when the file basic information of the file is written into the database tables, the number of the file written with the file basic information in any database table is counted.
In general, the step S201, and the step S202 are all executed by different threads, that is, while the step S201 traverses each file, the step S202 is executed to write the queried file basic information into the corresponding database table, and the step is executed to count the number of files during writing. In this step, the number of files written in each database table is usually counted separately.
S204: and when the number of the files meets a preset condition, sending data updating information corresponding to the database table to the target application, and displaying the information of the files stored in the smart television through the target application according to the data updating information.
In this step, when the number of files meets a preset condition, data update information corresponding to the database table is actively sent to a target application, where the target application includes a file manager, multimedia software and other software capable of displaying a file scanning progress, and the data update information may generally include information such as a file path, a file name, and a file type of a file stored in the smart television, so that the target application displays information of the file stored in the smart television according to the data update information.
Specifically, the steps are generally specifically as follows: when the quantity of the newly added files in any database table reaches a quantity threshold value, sending data updating information corresponding to the basic information of the newly added files in the database table to a target application; the data updating message comprises the basic information of the newly added file in the database table.
In this step, specifically, when the number of newly added files in any database table reaches a number threshold, for example, when the number of newly added files reaches ten, a data update message including the basic information of the newly added files in the database table is sent to the target application, so that the user can know the information of the files stored in the smart television based on the basic information of the files by the target application. It should be noted that, in this step, the data update message is usually sent to the target application when the number of the newly added files in any database table reaches a number threshold every time.
In general, the step may specifically be: and when the quantity of the newly added files in any database table reaches a quantity threshold value, sending a data updating message corresponding to the basic information of the newly added files in the database table to a target application through an AIDL interface. Namely, in the embodiment of the invention, data sharing between the smart television and the target application can be realized through the AIDL interface. The AIDL is an Android system interface definition language, and the AIDL is an interface for data communication among different processes in the Android system. In this step, communication among different threads in the Android system can be realized through the AIDL interface, so that the data updating message can be sent to the target application in time.
After receiving the data updating message, the target application may display corresponding information according to its own settings, for example, only display the number of the files on a primary interface, that is, the number of files belonging to a certain file type in the files stored in the smart television; and then, the basic information of the file corresponding to the file type can be displayed in a scrolling manner on the secondary interface. Of course, the target application may display the information of the file stored in the smart television in other manners, which is not specifically limited in the embodiment of the present invention.
S205: and storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
This step is substantially the same as S103 in the above embodiment of the present invention, and details may refer to the above embodiment of the present invention, which are not described herein again.
According to the file classification method provided by the embodiment of the invention, the files stored in the smart television are stored through the database table established by the SQLite, various file types can be flexibly set for storage, the file format is not limited, and other applications can also be conveniently read. The SQLite is a light database and is embedded into an Android system, so that the method is very convenient to use, occupies very low resources, and is very friendly to equipment with low configuration, such as an Android television. The AIDL interface can realize communication among different threads in the Android system, so that the data updating message can be timely sent to the target application when the storage file in the smart television is scanned.
In the following, a document classifying device provided by an embodiment of the present invention is introduced, and the document classifying device described below and the document classifying method described above may be referred to correspondingly.
Referring to fig. 3, fig. 3 is a block diagram of a file classifying device according to an embodiment of the present invention.
Referring to fig. 3, in an embodiment of the present invention, the file classifying device may include:
the traversing module 100: the file traversing method comprises the steps of traversing files stored in the smart television;
database table module 200: the database table is used for writing the file basic information of the file into the database table corresponding to the file type according to the file type corresponding to the file suffix; the database tables are established through SQLite, and any one database table corresponds to one file type; the file basic information comprises a file path and a file name;
db file storage module 300: and the database management system is used for storing the db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite.
Preferably, in the embodiment of the present invention, the method further includes:
a statistic module: the method comprises the steps of counting the number of files written with the file basic information in any database table when the file basic information of the files is written into the database tables;
sharing the module: and the data updating information corresponding to the database table is sent to a target application when the number of the files meets a preset condition, and the information of the files stored in the intelligent television is displayed through the target application according to the data updating information.
Preferably, in the embodiment of the present invention, the sharing module is specifically configured to:
when the quantity of the newly added files in any database table reaches a quantity threshold value, sending data updating information corresponding to the basic information of the newly added files in the database table to a target application; the data updating message comprises basic information of the newly added file in the database table.
Preferably, in the embodiment of the present invention, the sharing module is specifically configured to:
and when the quantity of the newly added files in any database table reaches a quantity threshold value, sending a data updating message corresponding to the basic information of the newly added files in the database table to a target application through an AIDL interface.
Preferably, in the embodiment of the present invention, the traversal module 100 is specifically configured to:
and traversing files stored in the intelligent television and files stored in the external storage equipment of the intelligent television.
Preferably, in the embodiment of the present invention, the file type includes any one or any combination of the following items:
video files, music files, picture files, installation package files, and compression package files.
The file classifying device of this embodiment is used to implement the file classifying method, and thus the specific implementation manner in the file classifying device can be seen in the foregoing embodiments of the file classifying method, for example, the traversal module 100, the database table module 200, and the db file storage module 300 are respectively used to implement steps S101, S102, and S103 in the file classifying method, so the specific implementation manner thereof may refer to the description of the corresponding embodiments of each part, and will not be described herein again.
In the following, a document classification device according to an embodiment of the present invention is introduced, and the document classification device described below, the document classification method described above, and the document classification apparatus described above may be referred to in correspondence with each other.
Referring to fig. 4, fig. 4 is a block diagram of a file classifying device according to an embodiment of the present invention.
Referring to fig. 4, the document sorting apparatus may include a processor 11 and a memory 12.
The memory 12 is used for storing a computer program; the processor 11 is configured to implement the file classification method in the above embodiment of the invention when executing the computer program.
The processor 11 of the document classifying device of this embodiment is used to install the document classifying apparatus in the above embodiment of the invention, and the processor 11 and the memory 12 are combined to implement the document classifying method in any embodiment of the invention. Therefore, the specific implementation manner of the file classification device can be seen in the foregoing embodiment of the file classification method, and the specific implementation manner of the file classification device may refer to the description of each corresponding embodiment, which is not described herein again.
The present invention also provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a file classification method as described in any of the above embodiments of the invention. The rest can be referred to the prior art and will not be described in an expanded manner.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
A document classification method, a document classification device, a document classification apparatus, and a computer-readable storage medium according to the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A method of classifying a document, comprising:
traversing files stored in the smart television;
writing the file basic information of the file into a database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name;
storing a db file generated according to the database table to a data partition of an Android system carried by the intelligent television through an SQLite;
after writing the file basic information of the file into the database table corresponding to the file type according to the file type corresponding to the file suffix, the method further comprises the following steps:
when the file basic information of the file is written into the database tables, counting the number of the files written into the file basic information in any one database table;
and when the number of the files meets a preset condition, sending data updating information corresponding to the database table to a target application, and displaying information of the files stored in the intelligent television through the target application according to the data updating information.
2. The method according to claim 1, wherein when the number of files satisfies a preset condition, sending data update information corresponding to the database table to a target application comprises:
when the quantity of the newly added files in any database table reaches a quantity threshold value, sending data updating information corresponding to the basic information of the newly added files in the database table to a target application; the data updating message comprises basic information of the newly added file in the database table.
3. The method according to claim 2, wherein the sending a data update message corresponding to the basic information of the newly added file in any one of the database tables to a target application when the number of the newly added file in the database table reaches a number threshold comprises:
and when the quantity of the newly added files in any database table reaches a quantity threshold value, sending a data updating message corresponding to the basic information of the newly added files in the database table to a target application through an AIDL interface.
4. The method of claim 1, wherein traversing the files stored in the smart television comprises:
and traversing files stored in the intelligent television and files stored in the external storage equipment of the intelligent television.
5. The method according to claim 4, wherein the file type comprises any one or any combination of the following:
video files, music files, picture files, installation package files, and compression package files.
6. A document sorting apparatus, comprising:
a traversing module: the file traversing method comprises the steps of traversing files stored in the smart television;
a database table module: the database table is used for writing the file basic information of the file into the database table corresponding to the file type according to the file type corresponding to the file suffix; the database table is established by SQLite, and any database table corresponds to a file type; the file basic information comprises a file path and a file name;
db file storage module: the database management system is used for storing a db file generated according to the database table to a data partition of an Android system carried by the intelligent television through the SQLite;
further comprising:
a statistic module: the method comprises the following steps of counting the number of files written with the file basic information in any database table when the file basic information of the files is written into the database tables;
a sharing module: and the data updating information corresponding to the database table is sent to a target application when the number of the files meets a preset condition, and the information of the files stored in the intelligent television is displayed through the target application according to the data updating information.
7. A document sorting apparatus, characterized in that the apparatus comprises:
a memory: for storing a computer program;
a processor: steps for implementing a method for document classification according to any one of claims 1 to 5 when executing said computer program.
8. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method for classifying a document according to any one of claims 1 to 5.
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