TWI475408B - Method and system for file synchronization, a computer program product using the method, and a recording medium thereof - Google Patents

Description

File synchronization method, system, computer program product using this method and Computer readable recording medium

The present invention relates to a method for file synchronization, and more particularly to a method, system, computer program product, and computer readable recording medium for synchronizing a multimedia file in a storage space through a communication network.

There are many file synchronization software on the market that can help users to synchronize e-mail or meeting information in the computer system to Microsoft Outlook software such as mobile phones. In detail, the user can connect the mobile phone to the computer system through the Universal Serial Bus (USB) transmission line, and check the specific folder in the computer system through the file synchronization software, and then in the Outlook software of the computer system. The data is transferred to the mobile phone so that the data of the mobile phone can be synchronized with the data of the computer system.

However, the above file synchronization software must connect the mobile phone and the computer system that need to be synchronized through the USB transmission line. When the user accidentally forgets to carry the USB transmission line, the file synchronization operation cannot be completed, and the convenience of file synchronization is limited.

On the other hand, with the development of network technology, there are more and more types of storage space that users can use. In general, users may wish to back up data in each storage space in an electronic device that can store multimedia files to prevent loss of files due to storage space damage. However, it is not difficult to imagine that it takes a lot of time to manually compare and check whether the multimedia files in the storage space are consistent with the multimedia files in the electronic device. Time and effort are not convenient for the user.

Based on the portability and popularity of mobile phones, it is very likely that in the future, mobile phones will be used instead of computer systems to use software or browse files in storage space. Accordingly, the algorithm for achieving data synchronization between the mobile phone and the storage space is very important.

In view of this, the present invention provides a file synchronization method for downloading different multimedia files in a storage space to an electronic device.

The invention provides a file synchronization system, which integrates multimedia files stored in various storage spaces into an electronic device, so as to facilitate the user to browse the multimedia files.

The invention provides a computer program product, which can be executed by loading a computer program into an electronic device to synchronize the multimedia file between the electronic device and a plurality of storage spaces.

The present invention provides a computer readable recording medium. After executing the stored computer program, the multimedia file stored in each storage space can be browsed through the electronic device.

To achieve the above and other objects, the present invention provides a file synchronization method for an electronic device. The electronic device stores at least one local multimedia file and can access at least one storage space through the communication network. The method first connects the electronic device to the storage space when a certain time point is met. The one of the storage spaces stores at least one remote multimedia file. Then determine if there are any remote multimedia files that are different from the local multimedia files, and how many remotes will be different from the local multimedia files. The media file is downloaded to the electronic device or a local multimedia file different from the remote multimedia file is uploaded to the storage space.

In an embodiment of the present invention, the specific time point includes a preset time set by the user, and each time the electronic device is connected to the communication network, when the user executes a specific instruction, or the electronic device is not operated. When idle.

In an embodiment of the invention, the step of connecting the storage space includes obtaining a network address, a user name and a user password preset in the electronic device corresponding to each storage space. Then, the above network address is respectively connected through the communication network, and the corresponding user name and user password verification are completed to log in to the storage space.

In an embodiment of the invention, the step of determining whether there is any remote multimedia file different from the local multimedia file comprises comparing the file names of the remote multimedia file with the local multimedia file. If the file name of the remote multimedia file does not match the file name of all local multimedia files, it is determined that the remote multimedia file is different from the local multimedia file.

In an embodiment of the invention, the step of determining whether there is any remote multimedia file different from the local multimedia file comprises obtaining the archive content of the remote multimedia file and the local multimedia file. If the file content of the remote multimedia file does not match the file content of each local multimedia file, it is determined that the remote multimedia file is different from the local multimedia file.

In an embodiment of the invention, each storage space stores a thumbnail file of each remote multimedia file. After judging whether there are any remote multimedia files that are different from the local multimedia files, The thumbnail file of each remote multimedia file different from the local multimedia file is downloaded to the electronic device, and the thumbnail file is displayed.

In an embodiment of the present invention, after the step of displaying the thumbnail file, the method further includes receiving a selection instruction corresponding to the thumbnail file. Then, the remote multimedia file corresponding to the file selection instruction is downloaded from the storage space, and the thumbnail file in the electronic device is deleted.

In an embodiment of the invention, the step of downloading the remote multimedia file different from the local multimedia file includes adjusting the file size of the remote multimedia file and storing the adjusted remote multimedia file to the electronic device.

In an embodiment of the invention, the step of downloading the remote multimedia file different from the local multimedia file includes converting the file format of the remote multimedia file and storing the converted remote multimedia file to the electronic device.

In an embodiment of the present invention, after the step of connecting the storage space at a specific time point, it further comprises determining whether there is any local multimedia file different from the remote multimedia file, and is different from the remote multimedia file. Upload the local multimedia file to the storage space.

In an embodiment of the present invention, after the step of downloading the remote multimedia file different from the local multimedia file, the method further includes displaying a display screen including a plurality of blocks, wherein one of the blocks displays the local multimedia file, and the other The block displays individual remote multimedia files downloaded from different storage spaces.

In an embodiment of the invention, wherein the local multimedia file and the remote end Multimedia files include image files, audio files, or video files.

From another point of view, the present invention provides a file synchronization system, which includes a storage space connection module, a determination module, and an upper download module. The storage space connection module is adapted to connect the electronic device to the at least one storage space through the communication network when the specific time point is met. The electronic device stores at least one local multimedia file, and one of the storage spaces stores at least one remote multimedia file. The judging module is adapted to determine whether there is any remote multimedia file that is different from the local multimedia file. The download module is adapted to download a remote multimedia file different from the local multimedia file to the electronic device or upload a local multimedia file different from the remote multimedia file to the storage space.

In an embodiment of the present invention, the specific time point includes a preset time set by the user, the electronic device is connected to the communication network, the user executes a certain instruction, or the electronic device is not When the operation is idle.

In an embodiment of the present invention, the storage space connection module is preset in the electronic device, corresponding to the network address, the user name and the user password of each storage space, and is respectively connected to the network through a communication network. The location of the road, as well as the completion of the corresponding user name and user password verification, to log in to each storage space.

In an embodiment of the present invention, the determining module compares the file names of the remote multimedia file with the local multimedia file, and if the file name of the remote multimedia file does not match the file name of each local multimedia file, The remote multimedia file is different from the local multimedia file.

In an embodiment of the present invention, the determining module obtains the file content of the remote multimedia file and the local multimedia file, and if the file content of the remote multimedia file does not conform to the file content of each local multimedia file, the remote multimedia file is determined. Different from local multimedia files.

In an embodiment of the present invention, each storage space stores a thumbnail file of the remote multimedia file, and the upper download module downloads the thumbnail file of each remote multimedia file different from the local multimedia file to the electronic device. To display a thumbnail file by an electronic device.

In an embodiment of the present invention, the upper download module receives the selection instruction corresponding to the thumbnail file, and downloads the remote multimedia file corresponding to the file selection instruction from the storage space, and deletes the thumbnail file in the electronic device. .

In an embodiment of the present invention, the file browsing module is further configured to display the display screen including the plurality of blocks on the electronic device, wherein one of the blocks displays the local multimedia file, and the other blocks are displayed separately from each other. Remote multimedia file of storage space.

In an embodiment of the invention, the upper download module adjusts the file size of the remote multimedia file, and stores the adjusted remote multimedia file to the electronic device.

In an embodiment of the invention, the upper download module converts the file format of the remote multimedia file, and stores the converted remote multimedia file to the electronic device.

In an embodiment of the invention, wherein the determining module determines whether the existence exists Any local multimedia file that is different from the remote multimedia file, and the upper download module uploads the local multimedia file different from the remote multimedia file to the storage space.

In an embodiment of the invention, the local multimedia file and the remote multimedia file include a picture file, a music file, and a movie file.

From another point of view, the present invention provides a computer program product, the program included being loadable via an electronic device to perform the steps of connecting an electronic device to at least one storage space through a communication network when a particular point in time is met. The electronic device stores at least one local multimedia file, and each storage space stores at least one remote multimedia file. Next, it is determined whether there is any remote multimedia file that is different from the local multimedia file. Finally, the remote multimedia file different from the local multimedia file is downloaded to the electronic device.

From another point of view, the present invention provides a computer readable recording medium for storing computer programs. The computer program includes a plurality of code codes that can be loaded into an electronic device and cause the electronic device to execute the above file synchronization method.

The invention connects several storage spaces through a communication network, and after determining that there is a new multimedia file in the storage space, converts the file size and file format and downloads the file to the electronic device. In this way, the user can browse the multimedia files stored in different storage spaces through the electronic device, thereby greatly improving the convenience of browsing the multimedia files.

The above described features and advantages of the present invention will be more apparent from the following description.

For an electronic device capable of storing multimedia files, if a plurality of storage spaces can be synchronized to download and store different multimedia files on the electronic device, the user can efficiently browse through the electronic device itself. A multimedia file originally stored in a different storage device. The present invention is a file synchronization method and system developed based on the above viewpoints, a computer program product using the same, and a computer readable recording medium. In order to make the content of the present invention clearer, the following specific embodiments are examples of the invention that can be implemented.

1 is a block diagram of a file synchronization system in accordance with an embodiment of the present invention. Referring to FIG. 1, in the embodiment, the file synchronization system 100 can be configured, for example, in a mobile phone, a personal PDA phone, a smart phone, or a mobile computer, and can be stored. In the electronic device of the multimedia file, the purpose of synchronizing the multimedia files between the electronic device and the plurality of storage spaces is achieved. The storage space is, for example, a web album server. The file synchronization system 100 includes a storage space connection module 110, a determination module 120, an upper download module 130, and an archive browsing module 140. The function of each module will be described below.

The storage space connection module 110 connects the electronic device to the at least one storage space through the communication network each time the electronic device is activated. More than one multimedia file is stored in one of the above storage spaces. For convenience of description, the multimedia file stored in the electronic device is referred to as a local multimedia file, and will be stored in the storage space. The multimedia file is called a remote multimedia file. The local multimedia file and the remote multimedia file are, for example, an image file, an audio file, or a video file, and the scope is not limited herein.

The function of the determining module 120 is to determine whether there is any remote multimedia file that is different from the local multimedia file. In this embodiment, the determining module 120 determines whether the remote multimedia file is different from all the local multimedia files by comparing the file name or the file content.

The upper download module 130 downloads the remote multimedia file different from the local multimedia file to the electronic device after the determining module 120 performs the determining operation. The file browsing module 140 is configured to display a display screen including a plurality of blocks on the electronic device, and display all local multimedia files in the display screen and remote multimedia files downloaded from the storage space.

The present invention will be further described below with the operational flow of the file synchronization system 100 to illustrate the steps of synchronizing the multimedia files between the electronic device and the plurality of storage spaces through the file synchronization system 100. 2 is a flow chart of a file synchronization method according to an embodiment of the invention. Please refer to FIG. 1 and FIG. 2 at the same time. As shown in step 210, after the electronic device is started, it will continuously judge whether the current time point is met. In this embodiment, the specific time point may be a preset time set by the user in advance, or each time the electronic device is connected to the communication network. In addition, the specific time point may also be regarded as a specific time point when the electronic device is in an idle state that is not operated, or when a user executes a certain instruction.

When the specific time point is met, the electronic device is connected to the plurality of storage spaces by the storage space connection module 110. In this embodiment, the network address, the user name, and the user password of each storage space are pre-configured in the electronic device. After obtaining the network address, the user name and the user password, the storage space connection module 110 is respectively connected to the network address through the communication network, and completes the corresponding user name and user password verification, and then logs in. Each storage space.

Next, as shown in step 230, the determining module 120 determines whether there are any remote multimedia files different from the local multimedia file in the respective storage spaces. In one embodiment, the determination module 120 compares the file names of the respective remote multimedia files with the respective local multimedia files. If any of the remote multimedia files whose file names do not match the file names of all local multimedia files, then the remote multimedia files whose file names do not match are judged to be different from the local multimedia files. In another embodiment, the determining module 120 will obtain the archive content of each remote multimedia file and the local multimedia file. When the file content of any remote multimedia file does not conform to the file content of the local multimedia file, it is determined by the determining module 120 to be different from the local multimedia file. Further, when the multimedia file is a picture file, it can be judged whether it belongs to the same picture by comparing each pixel in the picture.

If there is no remote multimedia file different from the local multimedia file in all the storage spaces, then return to step 210 to continue to determine whether a specific time point has been reached. However, if there are different remote multimedia files, as shown in step 240, the upper download module 130 will be different from the local multimedia. All remote multimedia files of the file are downloaded to the electronic device. The upper download module 130, for example, will adjust the file size of the remote multimedia file, and store the adjusted remote multimedia file to the electronic device. In order to enable the electronic device to smoothly play or present the remote multimedia file, the upper download module 130 converts the file format of the remote multimedia file into a format supported by the electronic device before storing the remote multimedia file.

It can be found from the steps shown in FIG. 2 that, through the operation of the file synchronization system 100, when a specific time point is reached, the remote multimedia file in the storage space that is different from the local multimedia file will be downloaded to the electronic device. Achieve the purpose of file synchronization. In this way, the user no longer needs to judge where the multimedia file to be browsed is stored, and at the same time, without having to input a password or select a browser to open the multimedia file, the storage space can be directly viewed in the electronic device. The multimedia files in the library, thus improving the convenience of browsing.

In the following embodiments, in addition to storing the remote multimedia file in each storage space, a corresponding thumbnail file is stored. When the judging module 120 judges that there is a remote multimedia file different from the local multimedia file, the remote multimedia file is not directly downloaded to the electronic device, and the corresponding thumbnail file is downloaded instead. FIG. 3 is a flowchart of a file synchronization method according to this embodiment. Referring to FIG. 3, since steps 310 to 330 are the same as or similar to steps 210 to 230 of FIG. 2, they are not described herein again.

Please refer to step 340 of FIG. 3, if the determining module 120 determines that there is a remote multimedia file in the storage space that is different from the local multimedia file, the download mode is downloaded. The group 130 downloads the thumbnail file of each remote multimedia file different from the local multimedia file to the electronic device, and then in step 350, the thumbnail file is displayed by the electronic device for the user to select when idle.

After viewing the thumbnail file, the user can select the remote multimedia file that he wants to download. As shown in step 360, the upper download module 130 determines whether any selection instruction corresponding to the thumbnail file is received. If the selection instruction is received, it indicates that the user wants to download the remote multimedia file corresponding to the thumbnail file. Therefore, in step 370, the upper download module 130 downloads the remote multimedia file corresponding to the file selection instruction from the storage space. In this embodiment, the upper download module 130 also adjusts the file size and file format to a form supported by the electronic device before storing the remote multimedia file in the electronic device. After the download is completed, as shown in step 380, the thumbnail file originally stored in the electronic device is deleted. However, if the download module 130 does not receive any selection command, indicating that the user does not want to download the remote multimedia files, step 380 is directly executed to delete the thumbnail file in the electronic device.

By downloading the thumbnail file instead of directly downloading the remote multimedia file, the user can select the multimedia file that is actually desired to be downloaded according to the thumbnail file, avoiding downloading too many unnecessary multimedia files and occupying the storage space of the electronic device, so that the electronic device The action of synchronizing files between the device and the storage space becomes more flexible.

It is worth mentioning that after the download module 130 downloads and stores the remote multimedia file to the electronic device, the file browsing module 140 in the file synchronization system 100 displays, for example, several on the screen of the electronic device. The display of the block. Users can view all local multimedia files and downloaded remote multimedia files through this display. 4 is a schematic diagram of a display screen according to an embodiment of the invention. In the present embodiment, the display screen 400 includes a total of four blocks. The block 410 is used to display all the local multimedia files 410 that are originally stored in the electronic device. Block 420, block 430, and block 440 correspond to different storage spaces (eg, different network albums). As shown in FIG. 4, displayed in block 420, block 430, and block 440 are remote multimedia files (ie, multimedia file 421, multimedia file 431, and multimedia file 441) downloaded from the corresponding network album. ). The partition display method makes it easier for users to view multimedia files from the same storage space, which makes file management more convenient. Further, while the user has several web albums, the operation of the file synchronization system 100 of the present invention will require only one electronic device to simultaneously view photos in all network albums.

The file synchronization system 100 of the present invention downloads a remote multimedia file different from the local multimedia file to the electronic device during the file synchronization operation, so as to synchronize the electronic device with the file of the storage space, Upload the local multimedia file to the storage space. FIG. 5 is a flow chart of a file synchronization method according to still another embodiment of the present invention. Referring to FIG. 5, since steps 510 and 520 of FIG. 5 are the same as or similar to steps 210 and 220 of FIG. 2, they are not described herein again.

After the storage space connection module 110 connects the electronic device to the storage space, as shown in step 530, the determination module 120 determines that the electronic device is in the electronic device. Is there any local multimedia file that is different from the remote multimedia file? The judging module 120 determines whether the two are the same by comparing the file name or the file content of the remote multimedia file and the local multimedia file.

If there is a local multimedia file that is different from the remote multimedia file, the local multimedia file is uploaded to the storage space by the upper download module 130 as shown in step 540. Accordingly, the storage space can be synchronized with the files in the electronic device.

The present invention further provides a computer program product for performing the above file synchronization method. The computer program product is basically composed of a plurality of code segments (for example, setting a code segment and deploying a code segment). And after the code segments are loaded into the electronic device and executed, the steps of the file synchronization method and the functions of the file synchronization system can be completed.

It is worth mentioning that the above file synchronization method can be executed on any electronic device having a processor. In other words, the above embodiment is designed as a computer program including a plurality of code codes, and the computer readable storage medium (for example, a CD, a floppy disk and a removable hard disk, etc.) is used to store the computer program. After the program is loaded into the electronic device, the file synchronization method described in the above embodiment can be executed on the electronic device.

In summary, the file synchronization method and system, the computer program product using the same, and the computer readable recording medium thereof are compared with the local multimedia in the electronic device when the electronic device is activated and reaches a specific time point. Files and remote multimedia files stored in storage. If there is any How to different from the remote multimedia file of the local multimedia file, download it to the electronic device. In this way, the purpose of synchronizing the files between the electronic device and the storage space can be achieved, thereby facilitating the user to browse the multimedia files in the respective storage spaces through the electronic device, so as to improve the efficiency of browsing the multimedia files.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100‧‧‧File Synchronization System

110‧‧‧Storage space connection module

120‧‧‧Judgement module

130‧‧‧Download module

140‧‧‧File browsing module

210~240‧‧‧ steps of the file synchronization method according to an embodiment of the present invention

310-380‧‧‧ steps of the file synchronization method according to another embodiment of the present invention

400‧‧‧Display screen

410, 420, 430, 440‧‧‧ blocks

411‧‧‧Local Multimedia Archives

421, 431, 441‧‧‧ remote multimedia files

510~540‧‧‧ steps of the file synchronization method according to still another embodiment of the present invention

1 is a block diagram of a file synchronization system in accordance with an embodiment of the present invention.

2 is a flow chart of a file synchronization method according to an embodiment of the invention.

FIG. 3 is a flow chart of a file synchronization method according to another embodiment of the present invention.

4 is a schematic diagram of a display screen according to an embodiment of the invention.

FIG. 5 is a flow chart of a file synchronization method according to still another embodiment of the present invention.

210~240‧‧‧ steps of the file synchronization method according to an embodiment of the present invention

Claims (56)

A file synchronization method for an electronic device, wherein the electronic device stores at least one local multimedia file and can access at least one storage space through a communication network, the method comprising: when meeting a specific time point, or the electronic When the device is in an idle state that is not operated, connecting the storage space; if one of the storage spaces stores at least one remote multimedia file, determining whether there is any remote multimedia file different from the local multimedia file; Downloading the remote multimedia file corresponding to the local multimedia file to the electronic device. The file synchronization method of claim 1, wherein the specific time point comprises a preset time set by the user. The file synchronization method of claim 1, wherein the specific time point comprises the electronic device connecting to the communication network each time. The file synchronization method of claim 1, wherein the specific time point comprises a user executing a specific instruction. The file synchronization method of claim 1, wherein the step of connecting the storage space comprises: obtaining a network address, a user name preset in the electronic device corresponding to each of the storage spaces. And a user password; respectively connecting the network address through the communication network; and completing the corresponding user name and the user password verification to log in to the storage space. The file synchronization method of claim 1, wherein the step of determining whether the remote multimedia file is different from the local multimedia file comprises: comparing each of the remote multimedia files and each of the local multimedia A file name of the file; and if the file name of one of the remote multimedia files does not match the file name of each of the local multimedia files, determining that the remote multimedia file is different from the local multimedia file. The file synchronization method of claim 1, wherein the step of determining whether the remote multimedia file is different from the local multimedia file comprises: obtaining each of the remote multimedia files and each of the local multimedia And a file content of the file; and if the file content of one of the remote multimedia files does not match the file content of each of the local multimedia files, determining that the remote multimedia file is different from the local multimedia file. The file synchronization method of claim 1, wherein each of the storage spaces stores a thumbnail file of each of the remote multimedia files, and determines whether there is any difference from the local multimedia file. The step of ending the multimedia file further comprises: downloading the thumbnail file of each of the remote multimedia files different from the local multimedia file to the electronic device; and displaying the thumbnail file. For example, the file synchronization method described in claim 8 of the patent scope, wherein After the step of displaying the thumbnail file, the method further includes: receiving at least one selection instruction, wherein each of the selection instructions corresponds to one of the thumbnail files; and downloading the remote end corresponding to the file selection instruction from the storage space a multimedia file; and deleting the thumbnail file in the electronic device. The file synchronization method of claim 1, wherein the step of downloading the remote multimedia file different from the local multimedia file comprises: adjusting a file size of the remote multimedia file; and storing the adjusted The remote multimedia file is to the electronic device. The file synchronization method of claim 1, wherein the step of downloading the remote multimedia file different from the local multimedia file comprises: converting a file format of the remote multimedia file; and storing the converted The remote multimedia file is to the electronic device. The file synchronization method of claim 1, wherein, after the step of connecting to the storage space, the step of connecting to the storage space further comprises: determining whether there is any of the local multimedia files different from the remote multimedia file. And uploading the local multimedia file different from the remote multimedia file to the storage space. For example, the file synchronization method described in claim 1 of the patent scope, wherein After the step of downloading the remote multimedia file different from the local multimedia file, the method further includes: displaying a display screen including the plurality of blocks; and displaying the local multimedia file in one of the blocks, and using other blocks The above remote multimedia files downloaded from different storage spaces are individually displayed. The file synchronization method of claim 1, wherein the local multimedia file and the remote multimedia file comprise an image file, an audio file, and a video file. . A file synchronization system includes: a storage space connection module adapted to connect the electronic device to at least one through a communication network when a certain time point is met or an electronic device is in an idle state that is not operated a storage space, wherein the electronic device stores at least one local multimedia file, and each of the storage spaces stores at least one remote multimedia file; and a determining module is adapted to determine whether there is any remote end different from the local multimedia file a multimedia file; and an uploading module adapted to download the remote multimedia file different from the local multimedia file to the electronic device. The file synchronization system of claim 15, wherein the specific time point comprises a preset time set by the user. The file synchronization system of claim 15, wherein the specific time point includes the electronic device being connected to the communication network each time. Time. The file synchronization system of claim 15, wherein the specific time point comprises a user executing a specific instruction. The file synchronization system of claim 15 , wherein the storage space connection module is preset in the electronic device, corresponding to a network address of each of the storage spaces, a user name and a The user password is used to connect to the network address through the communication network, and the corresponding user name and the user password are verified to log in to the storage space. The file synchronization system of claim 15, wherein the determination module compares each of the remote multimedia files with a file name of each of the local multimedia files, if the one of the remote multimedia files If the file name does not match the file name of each of the above local multimedia files, it is determined that the remote multimedia file is different from the local multimedia file. The file synchronization system of claim 15, wherein the determination module obtains a file content of each of the remote multimedia files and each of the local multimedia files, if the one of the remote multimedia files If the file content does not match the file content of each of the above local multimedia files, it is determined that the remote multimedia file is different from the local multimedia file. The file synchronization system of claim 15, wherein each of the storage spaces stores a thumbnail file of each of the remote multimedia files, and the downloading module downloads are different from the local multimedia file. The thumbnail file of each of the remote multimedia files is displayed to the electronic device to display the thumbnail file by the electronic device. The file synchronization system of claim 22, wherein the upper download module receives at least one selection instruction, and each of the selection instructions corresponds to one of the thumbnail files, and the file is downloaded from the storage space. Selecting the remote multimedia file corresponding to the instruction, and deleting the thumbnail file in the electronic device. The file synchronization system of claim 15, further comprising: a file browsing module, configured to display a display screen including the plurality of blocks on the electronic device, and display the local multimedia file in the block One of the above, and the other remote multimedia files downloaded from different storage spaces are individually displayed in other blocks. The file synchronization system of claim 15, wherein the upper download module adjusts a file size of the remote multimedia file, and stores the adjusted remote multimedia file to the electronic device. The file synchronization system of claim 15, wherein the uploading module converts a file format of the remote multimedia file and stores the converted remote multimedia file to the electronic device. The file synchronization system of claim 15, wherein the determining module determines whether there is any of the local multimedia files different from the remote multimedia file, and the uploading module uploads are different from the remote end. The above local multimedia file of the multimedia file is transferred to the storage space. Such as the file synchronization system described in claim 15 of the patent scope, The above local multimedia file and the remote multimedia file include one of a picture file, a music file, and a video file. A computer program product comprising a program loaded by an electronic device to perform the following steps: when a certain time point is met, or when the electronic device is in an idle state that is not operated, the device is connected through a communication network The electronic device stores at least one storage space, wherein the electronic device stores at least one local multimedia file, and each of the storage spaces stores at least one remote multimedia file; and determines whether there is any remote multimedia file different from the local multimedia file. And downloading the remote multimedia file from the local multimedia file to the electronic device. The computer program product of claim 29, wherein the specific time point comprises a preset time set by the user. The computer program product of claim 29, wherein the specific time point comprises the electronic device being connected to the communication network each time. The computer program product of claim 29, wherein the specific time point comprises a user executing a specific instruction. The computer program product of claim 29, wherein the program is connected to the storage space, including obtaining a preset network address in the electronic device corresponding to each of the storage spaces, and using The name of the user and a user password are respectively connected to the network address through the communication network, and the corresponding user name and the user password are completed. Card to log in to the above storage space. The computer program product of claim 29, wherein the program determines whether there is any such remote multimedia file different from the local multimedia file, including comparing each of the above remote multimedia files with each of the above A file name of a local multimedia file. If the file name of one of the remote multimedia files does not match the file name of each of the local multimedia files, it is determined that the remote multimedia file is different from the local multimedia file. The computer program product of claim 29, wherein the program determines whether there is any such remote multimedia file different from the local multimedia file, including obtaining each of the above remote multimedia files and each of the above A file content of the local multimedia file, if the file content of one of the remote multimedia files does not match the file content of each of the local multimedia files, determining that the remote multimedia file is different from the local multimedia file. The computer program product of claim 29, wherein each of the storage spaces stores a thumbnail file of each of the remote multimedia files, and the program determines whether there is any difference from the local multimedia file. After the remote multimedia file, the method further includes downloading the thumbnail file of each of the remote multimedia files different from the local multimedia file to the electronic device, and displaying the thumbnail file. The computer program product of claim 36, wherein after displaying the thumbnail file, the program further comprises receiving at least one selection instruction, wherein each of the selection instructions corresponds to the thumbnail file. For example, the remote multimedia file corresponding to the file selection instruction is downloaded from the storage space, and the thumbnail file in the electronic device is deleted. The computer program product of claim 29, wherein the program, when downloading the remote multimedia file different from the local multimedia file, includes adjusting a file size of the remote multimedia file, and storing the adjusted The above remote multimedia file is to the electronic device. The computer program product of claim 29, wherein the program downloads the remote multimedia file corresponding to the local multimedia file, including converting a file format of the remote multimedia file, and storing the converted file The above remote multimedia file is to the electronic device. The computer program product of claim 29, wherein the program, after the connection to the storage space at the specific time point, further comprises determining whether there is any such local multimedia file different from the remote multimedia file. And uploading the above local multimedia file different from the remote multimedia file to the storage space. The computer program product of claim 29, wherein the program further comprises displaying a display screen including the plurality of blocks after displaying the remote multimedia file different from the local multimedia file, and displaying the local The multimedia file is in one of the above blocks, and the remote multimedia files downloaded from different storage spaces are individually displayed in other blocks. The computer program product of claim 29, wherein the local multimedia file and the remote multimedia file comprise one of a picture file, a music file, and a video file. A computer readable recording medium for storing a computer program, the computer program comprising a plurality of code codes for loading into an electronic device storing at least one local multimedia file, and causing the electronic device to execute a file The synchronization method includes: connecting the electronic device to at least one storage space through a communication network when the electronic device is in an idle state when the electronic device is in an idle state, wherein each of the storage spaces is stored At least one remote multimedia file; determining whether there is any such remote multimedia file different from the local multimedia file; and downloading the remote multimedia file different from the local multimedia file to the electronic device. The computer-readable recording medium of claim 43, wherein the specific time point comprises a preset time set by the user. The computer readable recording medium of claim 43, wherein the specific time point comprises the electronic device being connected to the communication network each time. The computer readable recording medium of claim 43, wherein the specific time point comprises a user executing a specific instruction. The computer-readable recording medium of claim 43, wherein the step of connecting the storage space comprises: Obtaining, in the electronic device, a network address corresponding to each of the storage spaces, a user name and a user password; respectively connecting the network address through the communication network; and verifying that the corresponding The user name and the user password are used to log in to the above storage space. The computer-readable recording medium of claim 43, wherein the step of determining whether the remote multimedia file is different from the local multimedia file comprises: comparing each of the remote multimedia files and each a file name of the local multimedia file; and if the file name of one of the remote multimedia files does not match the file name of each of the local multimedia files, determining that the remote multimedia file is different from the local multimedia file. The computer-readable recording medium of claim 43, wherein the step of determining whether the remote multimedia file is different from the local multimedia file comprises: obtaining each of the remote multimedia files and each a file content of the local multimedia file; and if the file content of one of the remote multimedia files does not match the file content of each of the local multimedia files, determining that the remote multimedia file is different from the local multimedia file. The computer-readable recording medium of claim 43, wherein each of the storage spaces stores a thumbnail file of each of the remote multimedia files, and determines whether there is any difference from the local The step of the remote multimedia file of the multimedia file further includes: downloading the thumbnail file of each of the remote multimedia files different from the local multimedia file to the electronic device; and displaying the thumbnail file. The computer-readable recording medium of claim 50, wherein after the step of displaying the thumbnail file, the method further comprises: receiving at least one selection instruction, wherein each of the selection instructions corresponds to the thumbnail file. One of the remote multimedia files corresponding to the file selection instruction downloaded from the storage space; and deleting the thumbnail file in the electronic device. The computer-readable recording medium of claim 43, wherein the step of downloading the remote multimedia file different from the local multimedia file comprises: adjusting a file size of the remote multimedia file; and storing The adjusted remote multimedia file is transferred to the electronic device. The computer-readable recording medium of claim 43, wherein the step of downloading the remote multimedia file different from the local multimedia file comprises: converting a file format of the remote multimedia file; and storing The converted remote multimedia file is converted to the electronic device. The computer-readable recording medium of claim 43, wherein, after the step of connecting to the storage space, the method further comprises: Determining whether there is any such local multimedia file different from the remote multimedia file; and uploading the local multimedia file different from the remote multimedia file to the storage space. The computer-readable recording medium of claim 43, wherein after the step of downloading the remote multimedia file different from the local multimedia file, the method further comprises: displaying a display screen including the plurality of blocks; And displaying the local multimedia file in one of the above blocks, and displaying the remote multimedia files downloaded from different storage spaces individually in other blocks. The computer-readable recording medium of claim 43, wherein the local multimedia file and the remote multimedia file comprise one of a picture file, a music file, and a video file.