CN105357498A - Mobile terminal camera sharing method and device - Google Patents

Abstract

The invention provides a sharing method of a mobile terminal camera, which comprises the following steps: a first mobile terminal initiates a wireless connection request message to a second mobile terminal selected by a user; the first mobile terminal receives a connection success message returned by the second mobile terminal, wherein the message carries the number of the second mobile terminal cameras; the first mobile terminal receives and displays a real-time picture shot by the camera and transmitted by the second mobile terminal; and the first mobile terminal receives a shooting instruction, shoots and stores the currently displayed real-time picture according to the shooting instruction. The invention can share the camera among a plurality of mobile terminals, and not only can use the old mobile terminal which is not used as the monitoring camera, but also can meet certain requirements and reduce the cost of users; meanwhile, the user can better experience the photographing fun when going out to photograph.

Description

A mobile terminal camera sharing method and device

technical field

The present invention relates to the technical field of shooting and sharing, in particular to a method and device for sharing a camera of a mobile terminal.

Background technique

As people pay more and more attention to personal safety, more and more users install surveillance cameras in their homes, but such cameras generally have the characteristics of low resolution and high price on the market.

As smart terminals become cheaper and cheaper, many users have more than one smart terminal. When we go out to play, we need to take some artistic photos, such as side photos, and often need to ask others for help. If we go out alone, there are many inconvenient.

Therefore, it is necessary to propose a new technical solution to solve the above technical problems.

Contents of the invention

In view of this, the purpose of the present invention is to provide a method and device for sharing cameras of mobile terminals, which can share cameras among multiple mobile terminals, and can use old and unused mobile terminals as surveillance cameras. requirements and reduce user costs; at the same time, users can better experience the fun of taking pictures through this solution when they go out to take pictures.

In order to solve the above technical problems, the embodiments of the present invention provide the following technical solutions:

A method for sharing a camera of a mobile terminal, the method for sharing a camera of a mobile terminal comprises the following steps:

The first mobile terminal initiates a wireless connection request message to the second mobile terminal selected by the user;

The first mobile terminal receives the connection success message returned by the second mobile terminal, wherein the message carries the number of cameras of the second mobile terminal;

The first mobile terminal receives and displays the real-time picture taken by the camera transmitted by the second mobile terminal;

The first mobile terminal receives the photographing instruction, and photographs and saves the currently displayed real-time picture according to the photographing instruction.

In order to solve the above technical problems, the embodiment of the present invention also provides the following technical solutions:

A method for sharing a camera of a mobile terminal, the method for sharing a camera of a mobile terminal comprises the following steps:

The second mobile terminal receives the wireless connection request message sent by the first mobile terminal;

The second mobile terminal determines whether to authorize the first mobile terminal to share the camera of the second mobile terminal;

If it is determined that it has been authorized, the second mobile terminal sends a connection success message to the first mobile terminal;

The second mobile terminal turns on its own camera, and transmits the real-time picture captured by the camera to the first mobile terminal.

In order to solve the above technical problems, the embodiment of the present invention also provides the following technical solutions:

A kind of sharing device of mobile terminal camera, the sharing device of described mobile terminal camera comprises:

A message initiating module, configured to initiate a wireless connection request message to a second mobile terminal selected by the user;

A message receiving module, configured to receive a connection success message returned by the second mobile terminal, wherein the message carries the number of cameras of the second mobile terminal;

A display module, configured to receive and display the real-time images captured by the camera transmitted by the second mobile terminal;

The shooting and saving module is configured to receive a shooting instruction, and shoot and save the currently displayed real-time picture according to the shooting instruction.

In order to solve the above technical problems, the embodiment of the present invention also provides the following technical solutions:

A kind of sharing device of mobile terminal camera, the sharing device of described mobile terminal camera comprises:

A message receiving module, configured to receive a wireless connection request message sent by the first mobile terminal;

An authorization judging module, configured to judge whether to authorize the first mobile terminal to share the camera of the second mobile terminal;

A message sending module, configured to send a connection success message to the first mobile terminal if it is determined that it has been authorized;

The transmission module is configured to turn on the camera at the local end, and transmit the real-time picture captured by the camera to the first mobile terminal.

Compared with the prior art, the mobile terminal camera sharing method and device of the present invention, by opening the client on the first mobile terminal, clicking on the second mobile terminal (i.e. the target mobile terminal), the target mobile terminal automatically accepts the request, and then the target The mobile terminal transmits the real-time picture captured by the camera to the first mobile terminal, and then the user can operate the camera of the target mobile terminal in the same way as operating the camera of the first mobile terminal to achieve remote monitoring, or the user uses the first mobile terminal camera to take pictures. The mobile terminal previews the picture, and shoots and saves the current real-time picture of the target mobile terminal through the first mobile terminal. The present invention can share the camera among multiple mobile terminals, and can use old and unused mobile terminals as surveillance cameras, which not only meets certain requirements but also reduces user costs; at the same time, it can also allow users to use this solution to change the camera when they go out to take pictures. A good experience to take pictures.

Description of drawings

FIG. 1 is a schematic diagram of the implementation flow of a method for sharing a camera of a mobile terminal provided by Embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of the implementation flow of the sharing method of the mobile terminal camera provided by Embodiment 2 of the present invention;

FIG. 3 is a schematic diagram of an interface of a first mobile terminal displaying a target mobile terminal provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram of an interface of a first mobile terminal displaying a real-time screen of a target mobile terminal provided by an embodiment of the present invention;

5 is a block diagram of a sharing device for a mobile terminal camera provided in Embodiment 3 of the present invention;

FIG. 6 is a block diagram of a device for sharing a camera of a mobile terminal according to Embodiment 4 of the present invention.

detailed description

Referring to the drawings in the accompanying drawings, where like reference numerals represent like components, the principles of the present invention are exemplified when implemented in a suitable computing environment. The following description is based on illustrated specific embodiments of the invention and should not be construed as limiting the invention to other specific embodiments not described in detail herein.

The principles of the present invention are described in the above words, which are not meant to be a limitation. Those skilled in the art will understand that the various steps and operations described below can also be implemented in hardware. The principles of the invention operate with numerous other general purpose or special purpose computing, communication environments or configurations.

The method and device for sharing a camera of a mobile terminal provided by the present invention are mainly applied to terminal equipment, such as mobile phones, computers, personal digital assistants (Personal Digital Assistant, PDA), and the like.

The details will be described respectively below.

Embodiment one

Please refer to FIG. 1 , which shows a method for sharing a camera of a mobile terminal provided by an embodiment of the present invention.

The sharing method of described mobile terminal camera is applied in terminal equipment, specifically comprises the following steps:

In step S101, the first mobile terminal initiates a wireless connection request message to a second mobile terminal selected by the user;

In the embodiment of the present invention, both the first mobile terminal and the second mobile terminal need to install the system. If remote use is required, the first mobile terminal and the second mobile terminal need to be registered on the remote server. In monitoring mode, the first mobile terminal and the second mobile terminal need to be connected to the Internet and register on the server with the same account; if short-distance use is required, the first mobile terminal and the second mobile terminal can be placed on the same Wi-Fi Just under the network.

In the embodiment of the present invention, start the service on the first mobile terminal and the second mobile terminal; open the client on the first mobile terminal, the system will automatically display the second mobile terminal under the same Wi-Fi on the first On the mobile terminal (if it is a remote mode, the system will automatically refresh and display the remote second mobile terminal on the network server), the user chooses to click on a second mobile terminal (i.e. the target mobile terminal) to connect. The second mobile terminal selected by the user initiates a wireless connection request message.

In step S102, the first mobile terminal receives the connection success message returned by the second mobile terminal, wherein the message carries the number of cameras of the second mobile terminal;

In the embodiment of the present invention, after the first mobile terminal receives the connection success message returned by the second mobile terminal, the following steps are further included: the first mobile terminal judges the number of cameras of the second mobile terminal; If it is determined that the number of cameras is greater than 1, the first mobile terminal sends a camera switching instruction to the second mobile terminal.

Specifically, if the first mobile terminal determines that the number of cameras of the second mobile terminal is greater than 1, a camera switching button is displayed at a designated position (such as the upper right corner) on the client interface, and the user clicks the camera switching button, and the first mobile terminal now The terminal sends a camera switching instruction to the second mobile terminal.

The second mobile terminal receives the camera switching instruction sent by the first mobile terminal; the second mobile terminal closes the current camera according to the switching instruction and according to the order of the cameras, opens and obtains the real-time picture data of the next camera; the second mobile terminal will The real-time picture data is transmitted to the first mobile terminal.

However, it can be understood that if the first mobile terminal determines that the number of cameras of the second mobile terminal is 1, no operation is performed, and the real-time images captured by the cameras transmitted by the second mobile terminal are directly received and displayed.

In the embodiment of the present invention, if the second mobile terminal determines that the first mobile terminal is not authorized to share the camera of the second mobile terminal; then, the second mobile terminal will send a request rejection instruction to the first mobile terminal, if When the first mobile terminal receives the request rejection instruction, it will display to the user a prompt that the first mobile terminal has not been authorized, and end this operation.

In step S103, the first mobile terminal receives and displays the real-time picture taken by the camera transmitted by the second mobile terminal;

In step S104, the first mobile terminal receives a photographing instruction, and photographs and saves the currently displayed real-time picture according to the photographing instruction.

As an embodiment of the present invention, the first mobile terminal receives a shooting instruction, and the step of shooting and saving the currently displayed real-time picture according to the shooting instruction specifically includes:

The first mobile terminal receives the photographing instruction, and intercepts the currently displayed real-time picture according to the photographing instruction;

The first mobile terminal saves the intercepted real-time picture as a picture.

Specifically, on the interface where the first mobile terminal displays the real-time picture captured by the camera transmitted by the second mobile terminal, a camera button is also displayed, and when the user clicks the camera button, the first mobile terminal intercepts the currently displayed real-time picture; A mobile terminal saves the intercepted real-time picture as a picture.

As another embodiment of the present invention, the first mobile terminal receives a shooting instruction, and the step of shooting and saving the currently displayed real-time picture according to the shooting instruction specifically includes:

The first mobile terminal receives the recording instruction, and according to the recording instruction, records the currently displayed real-time picture;

The first mobile terminal saves the recorded real-time picture data stream as a video.

Specifically, on the interface where the first mobile terminal displays the real-time picture captured by the camera transmitted by the second mobile terminal, a video recording button is also displayed, and when the user clicks the video recording button, the first mobile terminal records the currently displayed real-time picture; When the video recording button is clicked again, combined with this video recording operation, at this time, the first mobile terminal saves the recorded real-time picture data stream as a video.

As can be seen from the above, the sharing method of the mobile terminal camera provided by the first embodiment, by opening the client on the first mobile terminal, clicking on the second mobile terminal (i.e. the target mobile terminal), the target mobile terminal automatically accepts the request, and then the target moves The terminal transmits the real-time picture captured by the camera to the first mobile terminal, and then the user can operate the camera of the target mobile terminal in the same way as operating the camera of the first mobile terminal to achieve remote monitoring, or use the first mobile terminal when the user takes pictures with the camera of the target mobile terminal The terminal previews the picture, and shoots and saves the current real-time picture of the target mobile terminal through the first mobile terminal. The present invention can share the camera among multiple mobile terminals, and can use old and unused mobile terminals as surveillance cameras, which not only meets certain requirements but also reduces user costs; at the same time, it can also allow users to use this solution to change the camera when they go out to take pictures. A good experience to take pictures.

Embodiment two

Please refer to FIG. 2 , which shows a method for sharing a camera of a mobile terminal provided by an embodiment of the present invention.

The sharing method of described mobile terminal camera is applied in terminal equipment, specifically comprises the following steps:

In step S201, the second mobile terminal receives a wireless connection request message sent by the first mobile terminal;

In the embodiment of the present invention, both the first mobile terminal and the second mobile terminal need to install the system. If remote use is required, the first mobile terminal and the second mobile terminal need to be registered on the remote server. In monitoring mode, the first mobile terminal and the second mobile terminal need to be connected to the Internet and register on the server with the same account; if short-distance use is required, the first mobile terminal and the second mobile terminal can be placed on the same Wi-Fi Just under the network.

In the embodiment of the present invention, start the service on the first mobile terminal and the second mobile terminal; open the client on the first mobile terminal, the system will automatically display the second mobile terminal under the same Wi-Fi on the first On the mobile terminal (if it is a remote mode, the system will automatically refresh and display the remote second mobile terminal on the network server), the user chooses to click on a second mobile terminal (i.e. the target mobile terminal) to connect. The second mobile terminal selected by the user initiates a wireless connection request message. The second mobile terminal receives the wireless connection request message sent by the first mobile terminal.

In step S202, the second mobile terminal determines whether to authorize the first mobile terminal to share the camera of the second mobile terminal;

In step S203, if it is determined that it has been authorized, the second mobile terminal sends a connection success message to the first mobile terminal;

In the embodiment of the present invention, if it is determined that it has been authorized, the second mobile terminal obtains the number of cameras; the second mobile terminal constructs the order of the cameras; the second mobile terminal sends the number of cameras and the order of the cameras to A first mobile terminal. Specifically, the second mobile terminal encapsulates the number of cameras and the order of the cameras in a successful connection message, and sends the successful connection message to the first mobile terminal.

In the embodiment of the present invention, if the second mobile terminal determines that the first mobile terminal is not authorized to share the camera of the second mobile terminal; then, the second mobile terminal will send a request rejection instruction to the first mobile terminal, if When the first mobile terminal receives the request rejection instruction, it will display to the user a prompt that the first mobile terminal has not been authorized, and end this operation.

In step S204, the second mobile terminal turns on its own camera, and transmits the real-time images captured by the camera to the first mobile terminal.

As another embodiment of the present invention, if the first mobile terminal judges that the number of cameras of the second mobile terminal is greater than 1, a camera switch button is displayed at a designated position (such as the upper right corner) on the client interface, and the user clicks the camera switch button, At this time, the first mobile terminal sends a camera switching instruction to the second mobile terminal.

Now, the second mobile terminal receives the camera switching instruction sent by the first mobile terminal; the second mobile terminal closes the current camera according to the switching instruction and according to the order of the cameras, opens and obtains the real-time picture data of the next camera; The mobile terminal transmits the real-time picture data to the first mobile terminal.

However, it can be understood that the second mobile terminal closes the current camera according to the switching instruction and according to the order of the cameras, if it is the last camera, then returns to the first camera, opens and obtains the real-time picture data of the camera; The second mobile terminal transmits the real-time picture data to the first mobile terminal.

As can be seen from the above, the sharing method of the mobile terminal camera provided by the second embodiment, by opening the client on the first mobile terminal, clicking on the second mobile terminal (i.e. the target mobile terminal), the target mobile terminal automatically accepts the request, and then the target moves The terminal transmits the real-time picture captured by the camera to the first mobile terminal, and then the user can operate the camera of the target mobile terminal in the same way as operating the camera of the first mobile terminal to achieve remote monitoring, or use the first mobile terminal when the user takes pictures with the camera of the target mobile terminal The terminal previews the picture, and shoots and saves the current real-time picture of the target mobile terminal through the first mobile terminal. The present invention can share the camera among multiple mobile terminals, and can use old and unused mobile terminals as surveillance cameras, which not only meets certain requirements but also reduces user costs; at the same time, it can also allow users to use this solution to change the camera when they go out to take pictures. A good experience to take pictures.

The operation process of the first mobile terminal is described in detail below.

1. Start the services of the first mobile terminal and the second mobile terminal;

2. Open the client on the first mobile terminal;

3. The first mobile terminal judges whether there is WI-FI;

4. When it is judged that there is WI-FI, the first mobile terminal scans all the second mobile terminals (i.e. target mobile terminals) in the current WI-FI, and displays all the scanned target mobile terminals on the client side of the first mobile terminal. terminal, as shown in Figure 3; when it is judged that there is no WI-FI, further judge whether there is a network, and when it is judged that there is a network, obtain the target mobile terminal from the network server according to the registered user name, and display it on the first mobile terminal on the client,

5. The user selects and clicks a second mobile terminal (ie, the target mobile terminal) to connect, and at this time, the first mobile terminal initiates a wireless connection request message to the second mobile terminal selected by the user.

6. If the first mobile terminal receives the connection success message returned by the second mobile terminal, the first mobile terminal starts to receive and display the real-time picture taken by the camera transmitted by the second mobile terminal; if the first mobile terminal receives If the instruction of requesting refusal is requested, a prompt indicating that the first mobile terminal has not been authorized is displayed to the user, and this operation ends.

7. If the first mobile terminal determines that the number of cameras of the second mobile terminal is greater than 1, a camera switching button is displayed at a designated position (such as the upper right corner) on the client interface, as shown in Figure 4, and the user clicks the camera switching button, At this time, the first mobile terminal sends a camera switching instruction to the second mobile terminal.

8. On the interface where the first mobile terminal displays the real-time picture captured by the camera transmitted by the second mobile terminal, a camera button is also displayed, and when the user clicks the camera button, the first mobile terminal intercepts the currently displayed real-time picture; the first The mobile terminal saves the captured real-time picture as a picture.

9. On the interface where the first mobile terminal displays the real-time picture captured by the camera transmitted by the second mobile terminal, a video recording button is also displayed. When the user clicks on the video recording button, the first mobile terminal records the currently displayed real-time picture; When the video recording button is clicked, in conjunction with this recording operation, the first mobile terminal saves the recorded real-time picture data stream as a video.

The operation process of the second mobile terminal is described in detail below.

10. The second mobile terminal opens the background service;

11. The second mobile terminal receives the wireless connection request message sent by the first mobile terminal;

12. The second mobile terminal determines whether to authorize the first mobile terminal to share the camera of the second mobile terminal;

13. If the second mobile terminal determines that the first mobile terminal is not authorized to share the camera of the second mobile terminal; then, the second mobile terminal will send a request rejection instruction to the first mobile terminal, if the first mobile terminal receives When an instruction to request rejection is received, a prompt that the first mobile terminal has not been authorized is displayed to the user, and the operation ends.

14. If it is determined that it has been authorized, the second mobile terminal obtains the number of cameras; the second mobile terminal builds the order of the cameras; the second mobile terminal encapsulates the number of cameras and the order of the cameras in a connection success message, and Sending a connection success message to the first mobile terminal.

15. The second mobile terminal turns on the first sequential camera of the terminal, and transmits the real-time images captured by the camera to the first mobile terminal.

16. When the second mobile terminal receives the camera switching instruction sent by the first mobile terminal; the second mobile terminal closes the current camera according to the switching instruction and according to the order of the cameras, and turns on and obtains the real-time picture data of the next camera; the second mobile terminal The second mobile terminal transmits the real-time picture data to the first mobile terminal.

17. When receiving the camera disconnection instruction sent by the first mobile terminal, turn off the camera.

Embodiment Three

Please refer to FIG. 5 , which is a schematic module diagram of a device for sharing a camera of a mobile terminal provided by Embodiment 3 of the present invention; for ease of description, only parts related to the embodiment of the present invention are shown. The device for sharing the mobile terminal camera includes: a message initiating module 101 , a message receiving module 102 , a display module 103 , and a shooting and saving module 104 . The device for sharing the camera of the mobile terminal may be a software unit, a hardware unit or a combination of software and hardware built in the mobile terminal.

A message initiating module 101, configured to initiate a wireless connection request message to a second mobile terminal selected by the user;

A message receiving module 102, configured to receive a connection success message returned by the second mobile terminal, wherein the message carries the number of cameras of the second mobile terminal;

The display module 103 is configured to receive and display the real-time picture taken by the camera transmitted by the second mobile terminal;

The shooting and saving module 104 is configured to receive a shooting instruction, and shoot and save the currently displayed real-time picture according to the shooting instruction.

As an embodiment of the present invention, the device for sharing cameras of mobile terminals further includes: a quantity judgment module and a switching instruction sending module.

Quantity judging module, for judging the quantity of the camera of the second mobile terminal;

A switching instruction sending module, configured to send a camera switching instruction to the second mobile terminal if it is determined that the number of cameras is greater than one.

In the embodiment of the present invention, the photographing and saving module 104 includes: a photographing module and a picture saving module;

The photographing module is configured to receive a photographing instruction, and intercept the currently displayed real-time picture according to the photographing instruction;

The picture saving module is used to save the intercepted real-time picture as a picture.

In another embodiment of the present invention, the shooting and saving module includes: a video recording module and a video saving module;

The video recording module is configured to receive a video recording instruction, and record the currently displayed real-time picture according to the video recording instruction;

The video saving module is used to save the recorded real-time picture data stream as a video.

Embodiment four

Please refer to FIG. 6 , which is a block diagram of a device for sharing a camera of a mobile terminal according to Embodiment 4 of the present invention; for convenience of description, only parts related to the embodiment of the present invention are shown. The device for sharing the camera of the mobile terminal includes: a message receiving module 201 , an authorization judgment module 202 , a message sending module 203 , and a transmission module 204 . The device for sharing the camera of the mobile terminal may be a software unit, a hardware unit or a combination of software and hardware built in the mobile terminal.

A message receiving module 201, configured to receive a wireless connection request message sent by the first mobile terminal;

An authorization judging module 202, configured to judge whether to authorize the first mobile terminal to share the camera of the second mobile terminal;

A message sending module 203, configured to send a connection success message to the first mobile terminal if it is determined that it has been authorized;

The transmission module 204 is configured to turn on the local camera, and transmit the real-time picture captured by the camera to the first mobile terminal.

In an embodiment of the present invention, the device for sharing the camera of the mobile terminal further includes:

The quantity acquisition module is used to obtain the quantity of the camera if it is determined that it has been authorized;

A sequential building block for building the sequence of the cameras;

A sending module, configured to send the number of cameras and the order of the cameras to the first mobile terminal.

In another embodiment of the present invention, the device for sharing the camera of the mobile terminal further includes: an instruction receiving module and a camera control module;

An instruction receiving module, configured to receive a camera switching instruction sent by the first mobile terminal;

The camera control module is used to close the current camera according to the switching instruction and according to the order of the cameras, open and obtain the real-time picture data of the next camera;

The transmission module is further configured to transmit the real-time picture data to the first mobile terminal.

The mobile terminal camera sharing method and device of the present invention, by opening the client on the first mobile terminal, clicking on the second mobile terminal (i.e. the target mobile terminal), the target mobile terminal automatically accepts the request, and then the target mobile terminal captures the camera The real-time picture is transmitted to the first mobile terminal, and then the user can operate the target mobile terminal camera in the same way as operating the first mobile terminal camera to achieve remote monitoring, or use the first mobile terminal to preview the picture when the user uses the target mobile terminal camera to take pictures, and The current real-time picture of the target mobile terminal is captured and saved by the first mobile terminal. The present invention can share the camera among multiple mobile terminals, and can use the old unused mobile terminal as a monitoring camera, which not only meets certain requirements but also reduces user costs; at the same time, it can also allow users to use this solution to change the camera when they go out to take pictures. A good experience to the fun of taking pictures, greatly improving the user experience.

The method and device for sharing the mobile terminal camera provided by the embodiments of the present invention belong to the same idea, and its specific implementation process can be found in the full text of the specification, and will not be repeated here.

In summary, although the present invention has been disclosed above with preferred embodiments, the above preferred embodiments are not intended to limit the present invention, and those of ordinary skill in the art can make various modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope defined in the claims.

Claims (14)

1. a sharing method of mobile terminal camera, it is characterized in that, the sharing method of described mobile terminal camera comprises the following steps: The first mobile terminal initiates a wireless connection request message to the second mobile terminal selected by the user; The first mobile terminal receives the connection success message returned by the second mobile terminal, wherein the message carries the number of cameras of the second mobile terminal; The first mobile terminal receives and displays the real-time picture taken by the camera transmitted by the second mobile terminal; The first mobile terminal receives the photographing instruction, and photographs and saves the currently displayed real-time picture according to the photographing instruction. 2. The sharing method of mobile terminal camera as claimed in claim 1, is characterized in that, after the step that described first mobile terminal receives the connection success message that described second mobile terminal returns, also comprises the following steps: The first mobile terminal judges the number of cameras of the second mobile terminal; If it is determined that the number of cameras is greater than 1, the first mobile terminal sends a camera switching instruction to the second mobile terminal. 3. The method for sharing a mobile terminal camera as claimed in claim 1, wherein the first mobile terminal receives a shooting instruction, and the step of shooting and saving the currently displayed real-time picture according to the shooting instruction includes: The first mobile terminal receives the photographing instruction, and intercepts the currently displayed real-time picture according to the photographing instruction; The first mobile terminal saves the intercepted real-time picture as a picture. 4. The method for sharing a camera of a mobile terminal according to claim 1, wherein the first mobile terminal receives a shooting instruction, and the step of shooting and saving the currently displayed real-time picture according to the shooting instruction includes: The first mobile terminal receives the recording instruction, and according to the recording instruction, records the currently displayed real-time picture; The first mobile terminal saves the recorded real-time picture data stream as a video. 5. a kind of sharing method of mobile terminal camera, it is characterized in that, the sharing method of described mobile terminal camera comprises the following steps: The second mobile terminal receives the wireless connection request message sent by the first mobile terminal; The second mobile terminal determines whether to authorize the first mobile terminal to share the camera of the second mobile terminal; If it is determined that it has been authorized, the second mobile terminal sends a connection success message to the first mobile terminal; The second mobile terminal turns on its own camera, and transmits the real-time picture captured by the camera to the first mobile terminal. 6. the sharing method of mobile terminal camera as claimed in claim 5 is characterized in that, the sharing method of described mobile terminal camera also comprises: If it is determined that it has been authorized, the second mobile terminal acquires the number of cameras; The order in which the second mobile terminal constructs the camera; The second mobile terminal sends the number of cameras and the order of the cameras to the first mobile terminal. 7. The sharing method of mobile terminal camera as claimed in claim 6, is characterized in that, described second mobile terminal turns on local camera, and the step of transmitting the real-time picture that described camera shoots to described first mobile terminal , including: The second mobile terminal receives the camera switching instruction sent by the first mobile terminal; The second mobile terminal closes the current camera according to the switching instruction and according to the order of the cameras, opens and obtains the real-time picture data of the next camera; The second mobile terminal transmits the real-time picture data to the first mobile terminal. 8. A sharing device of a mobile terminal camera, characterized in that, the sharing device of the mobile terminal camera comprises: A message initiating module, configured to initiate a wireless connection request message to a second mobile terminal selected by the user; A message receiving module, configured to receive a connection success message returned by the second mobile terminal, wherein the message carries the number of cameras of the second mobile terminal; A display module, configured to receive and display the real-time images captured by the camera transmitted by the second mobile terminal; The shooting and saving module is configured to receive a shooting instruction, and shoot and save the currently displayed real-time picture according to the shooting instruction. 9. The sharing device of mobile terminal camera as claimed in claim 8, is characterized in that, the sharing device of described mobile terminal camera also comprises: Quantity judging module, for judging the quantity of the camera of the second mobile terminal; A switching instruction sending module, configured to send a camera switching instruction to the second mobile terminal if it is determined that the number of cameras is greater than one. 10. The sharing device of the mobile terminal camera as claimed in claim 8, wherein the shooting and saving module comprises: a camera module and a picture saving module; The photographing module is configured to receive a photographing instruction, and intercept the currently displayed real-time picture according to the photographing instruction; The picture saving module is used to save the intercepted real-time picture as a picture. 11. The sharing device of the mobile terminal camera as claimed in claim 8, wherein the shooting and saving module comprises: a video recording module and a video saving module; The video recording module is configured to receive a video recording instruction, and record the currently displayed real-time picture according to the video recording instruction; The video saving module is used to save the recorded real-time picture data stream as a video. 12. A sharing device of a mobile terminal camera, characterized in that, the sharing device of the mobile terminal camera comprises: A message receiving module, configured to receive a wireless connection request message sent by the first mobile terminal; An authorization judging module, configured to judge whether to authorize the first mobile terminal to share the camera of the second mobile terminal; A message sending module, configured to send a connection success message to the first mobile terminal if it is determined that it has been authorized; The transmission module is configured to turn on the camera at the local end, and transmit the real-time picture captured by the camera to the first mobile terminal. 13. The sharing device of mobile terminal camera as claimed in claim 12, is characterized in that, the sharing device of described mobile terminal camera also comprises: The quantity acquisition module is used to obtain the quantity of the camera if it is determined that it has been authorized; A sequential building block for building the sequence of the cameras; A sending module, configured to send the number of cameras and the order of the cameras to the first mobile terminal. 14. The sharing device of mobile terminal camera as claimed in claim 13, is characterized in that, the sharing device of described mobile terminal camera also comprises: instruction receiving module and camera control module; An instruction receiving module, configured to receive a camera switching instruction sent by the first mobile terminal; The camera control module is used to close the current camera according to the switching instruction and according to the order of the cameras, open and obtain the real-time picture data of the next camera; The transmission module is further configured to transmit the real-time picture data to the first mobile terminal.