Mouse screen-crossing method and system based on near field communication

Abstract

The invention relates to the technical field of mouse screen crossing, in particular to a mouse screen crossing method and system based on near field communication, and the method comprises the steps: enabling a first mouse to be in communication connection with a first target computer and a second target computer; moving the control cursor to a first mouse of the first target computer to a near field communication range of the second near field communication accessory; using the first mouse to receive second identity data sent by the second near field communication accessory through near field communication; the second identity data comprises identity data of a second target computer; and according to the second identity data, adjusting a control cursor of the first mouse to be a cursor located in the second target computer. The cross-screen mode is designed based on near field communication, can not be limited by a platform and a local area network, does not need a mouse cross-screen application program, and is convenient for a user to adjust the mouse to be used among computers in a cross-screen manner.

Description

Technical Field

[0001] This disclosure relates to the field of mouse cross-screen technology, and in particular to a mouse cross-screen method and system based on near-field communication. Background Technology

[0002] This section is intended to provide background or context for the embodiments disclosed herein. The description herein is not intended to imply that it is prior art simply because it is included in this section.

[0003] With the rapid development of computer technology, mouse cross-screen technology has emerged, enabling the mouse to switch freely between multiple computer screens. There are several existing mouse cross-screen technologies, such as using the built-in "Cross-Device Control" feature of Windows 11 (Windows 11 is a computer operating system developed by Microsoft) to achieve mouse cross-screen functionality within the same local area network; using dedicated software; and using a KVM (Keyboard Video Mouse Switch) switcher.

[0004] However, existing mouse cross-screen technologies all have obvious drawbacks. For example, the mouse cross-screen function built into the computer system cannot be used across platforms and is limited by the local area network; achieving mouse cross-screen through dedicated software has problems such as complex configuration and poor compatibility; and using a KVM switch requires the user to perform a switching step each time, such as manual switching, which results in a poor user experience. Summary of the Invention

[0005] Therefore, it is necessary to provide a new mouse cross-screen technology that can overcome platform and local area network limitations and is user-friendly, based on near-field communication.

[0006] Firstly, this disclosure provides a method for mouse cross-screen operation based on near-field communication. The method includes: Connect the first mouse to the first target computer and the second target computer; Move the control cursor, which is located on the first mouse of the first target computer, to the near-field communication range of the second near-field communication accessory; The first mouse is used to receive second identity data sent by the second near-field communication attachment via near-field communication; the second identity data includes the identity data of the second target computer. Based on the second identity data, adjust the control cursor of the first mouse to the cursor located on the second target computer.

[0007] Optionally, the first mouse is a wireless near-field communication mouse; the second near-field communication accessory is an expansion dock with near-field communication function, a wireless mouse receiver, a mouse pad, or a near-field communication patch; each near-field communication accessory stores the identity data of a target computer, and the second near-field communication accessory stores the second identity data.

[0008] Optionally, the method further includes: The first mouse receives and stores the first copied data sent by the first target computer. After the first mouse receives the second identity data, it uses the first mouse to send the first copied data to the second target computer.

[0009] Optionally, the method further includes: Determine whether the amount of the first copied data exceeds a preset data threshold to obtain a first determination result; When the first judgment result includes the amount of data of the first copied data, which does not exceed the preset data threshold, the first copied data is transferred between the first target computer and the second target computer using the first mouse. When the first judgment result includes a data volume exceeding a preset data threshold, the first copied data is transmitted between the first target computer and the second target computer via a local area network.

[0010] Optionally, the mouse pad is provided with a battery module or a wired power cord; the first mouse includes a passive near-field communication chip, and the near-field communication accessory includes an active near-field communication chip.

[0011] Optionally, after the first mouse receives the second identity data, the method further includes: The first identity data is sent to the second target computer using a first mouse; the second target computer retrieves the first copied data from the first target computer based on the first identity data; the first identity data includes the identity data of the first target computer. Alternatively, the first mouse can be used to send the second identity data to the first target computer; the first target computer can then use the second identity data to send the first copied data to the second target computer.

[0012] Optionally, the method further includes: The first copied data is transmitted between the first target computer and the second target computer via a local area network; Alternatively, the first copied data is transmitted between the first target computer and the second target computer via a first wireless receiver and a second wireless receiver; the first wireless receiver is electrically connected to the first target computer; the second wireless receiver is electrically connected to the second target computer; and the first wireless receiver and the second wireless receiver are directly communicatively connected.

[0013] Optionally, the method further includes: The second identity data is written into the second near-field communication attachment using a mobile phone via near-field communication.

[0014] Optionally, the second near-field communication accessory is positioned within a preset distance threshold of the display screen of the second target computer, wherein the preset distance threshold does not exceed 0.5m.

[0015] Secondly, this disclosure also provides a mouse cross-screen system based on near-field communication (NFC). The system includes a first mouse and a second NFC accessory; the first mouse is a NFC mouse; when used, the system enables mouse cross-screen communication between a first target computer and a second target computer using the following method: Connect the first mouse to the first target computer and the second target computer; Move the control cursor, which is located on the first mouse of the first target computer, to the near-field communication range of the second near-field communication accessory; The first mouse is used to receive second identity data sent by the second near-field communication attachment via near-field communication; the second identity data includes the identity data of the second target computer. Based on the second identity data, adjust the control cursor of the first mouse to the cursor located on the second target computer.

[0016] The aforementioned mouse cross-screen method and system based on near-field communication (NFC) provides a new mouse cross-screen control method for mice with NFC functionality, when paired with a NFC accessory. When the mouse, originally controlling the first target computer, moves within the NFC range of the second NFC accessory, the accessory sends the second target computer's identity data to the mouse. Based on this identity data, the mouse then controls the second target computer. This cross-screen method, designed based on NFC, is not limited by platform or local area network and does not require a mouse cross-screen application, making it convenient for users to adjust mouse usage across computers. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure, and are not intended to unduly limit this disclosure.

[0018] Figure 1This is a flowchart illustrating a mouse cross-screen method based on near-field communication in one embodiment. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this disclosure.

[0020] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this disclosure described herein can be implemented in orders other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of systems and methods consistent with some aspects of this disclosure as detailed in the appended claims.

[0021] The mouse cross-screen method based on near-field communication (NFC) provided in this disclosure can be applied to various application environments. In the desired application environment, the computers involved in the mouse cross-screen process can be computers belonging to the same local area network (LAN) or computers not belonging to the same LAN; they can use the same system platform or different system platforms, such as different versions of Windows, or a Windows platform and a Linux platform (Linux is the name of an existing operating system), provided that the mouse can establish communication connections with multiple computers involved in the cross-screen process. For example, in one application environment, a user or automated control system can connect a first mouse to at least two target computers, including a first target computer and a second target computer, via Bluetooth, 2.4G, or other means. The first mouse is a NFC mouse, capable of NFC communication, and selects and controls the corresponding target computer based on information obtained from NFC communication. The user or automated control system can move the control cursor of the first mouse, which is located on the first target computer, to the NFC range of a second NFC accessory. The NFC accessory stores the identity data of the target computers; for example, the first NFC accessory stores the identity data of the first target computer, and the second NFC accessory stores the identity data of the second target computer. The user or automated control system can use the first mouse to automatically receive second identity data sent by the second near-field communication accessory within the near-field communication range of the second near-field communication accessory. The second identity data includes the identity data of the second target computer. The processor of the first mouse can automatically adjust the control cursor of the first mouse to be located on the second target computer based on the second identity data.

[0022] In one embodiment, such as Figure 1 As shown, a method for mouse cross-screen communication based on near-field communication is provided. Taking the application of this method in the aforementioned scenario as an example, the method includes the following steps: Step 102: Connect the first mouse to at least two target computers, including the first target computer and the second target computer.

[0023] In this context, "first mouse" can refer to the mouse used for cross-screen control. "First target computer" can refer to the target computer controlled by the first mouse before the cross-screen transition. "Second target computer" can refer to the target computer controlled by the first mouse after the cross-screen transition. "Near-field communication mouse" can refer to a mouse with near-field communication capabilities. "Target computer" can refer to the computer involved in the cross-screen mouse control.

[0024] Specifically, by default, a computer has only one display screen. Even when a computer controls multiple display screens, this disclosure still considers it to control only one screen. The cross-screen mouse method in this disclosure involves at least two computers; that is, the first mouse cursor changes from controlling the display screen of one target computer to controlling the display screen of another target computer. The two target computers involved in the method are referred to as the first target computer and the second target computer. The first mouse, acting as a near-field communication mouse, is communicatively connected to both the first and second target computers. This connection can be sequential or simultaneous. The timing and order of the first mouse's connection to the first and second target computers are not limited in this step, as long as it satisfies the need for sending and receiving identity data in subsequent steps. The communication connection method can include Bluetooth or 2.4G connection; for convenient cross-screen operation, the communication connection method is generally wireless.

[0025] Step 104: Move the control cursor, which is located on the first mouse of the first target computer, to the near-field communication range of the second near-field communication accessory.

[0026] Here, "near-field communication accessory" refers to a component capable of storing the target computer's identity data and performing near-field communication. Adding prefixes like "first," "second," etc., to the name, such as "first near-field communication accessory" and "second near-field communication accessory," indicates a specific near-field communication accessory. "Near-field communication range" refers to the distance within which the near-field communication component can communicate. "Control cursor" refers to the computer cursor currently controlled by the mouse.

[0027] Specifically, the near-field communication range generally does not exceed 20 centimeters, and the communication distance between common near-field communication components does not exceed 10 centimeters. The first mouse originally controls the cursor of the first target computer; that is, the cursor of the first mouse is located on the first target computer. When the user or the automated control system needs to change the target computer controlled by the first mouse from the first target computer to the second target computer, the first mouse can be moved to the near-field communication range of the second near-field communication accessory. It should be noted that step 102 is not necessarily completed before step 104; it can be completed before or after step 104, or partly before step 104 and partly after step 104. For example, if the first mouse has already established a communication connection with the first target computer before step 104, after step 106, the first mouse can establish a communication connection with the second target computer after receiving the identity data of the second target computer.

[0028] Step 106: Using the first mouse, receive the second identity data sent by the second near-field communication attachment via near-field communication; the second identity data includes the identity data of the second target computer.

[0029] The target computer's identity data can refer to data containing the target computer's identity information, such as the target computer's IP address (IP is short for Internet Protocol), MAC address (MAC is short for Media Access Control Address, MAC address represents a local area network address), or the wireless receiver ID (ID represents a device identifier) ​​data connected to the target computer, etc., which can be used to distinguish different target computers with the first mouse.

[0030] Specifically, by moving the first mouse within the near-field communication range of the second near-field communication accessory, the first mouse can then engage in near-field communication with the second near-field communication accessory. By default, the second near-field communication accessory stores second identity data, which it then sends to the first mouse via near-field communication. It's easy to understand that since the first mouse can communicate with the second near-field communication accessory, it is a near-field communication mouse, meaning it has near-field communication functionality and includes components necessary for near-field communication, such as a near-field communication chip and a near-field communication antenna. Similarly, the second near-field communication accessory also includes components necessary for near-field communication, such as a near-field communication chip and a near-field communication antenna. Because near-field communication technology is already quite mature and many near-field communication products exist, including mice with near-field communication functionality, the hardware design will not be elaborated further.

[0031] Step 108: Based on the second identity data, adjust the control cursor of the first mouse to the cursor located on the second target computer.

[0032] Specifically, a control program can be preset in the first mouse. After obtaining the second identity data through near-field communication, it will automatically adjust the control cursor to the cursor located on the second target computer. Since the first mouse is already connected to the second target computer, it can automatically execute the control program after receiving the second identity data, adjusting the position of the control cursor from the cursor originally controlling the first target computer to the cursor controlling the second target computer.

[0033] In this embodiment, a novel cross-screen mouse control method is provided for mice with near-field communication (NFC) capabilities, paired with a NFC accessory. When the mouse, originally controlling a first target computer, moves within the NFC range of a second NFC accessory, the accessory sends the second target computer's identity data to the mouse. Based on this identity data, the mouse then switches control to the second target computer. This cross-screen method, designed based on NFC, is not limited by platform or local area network and does not require a cross-screen mouse application, allowing users to easily adjust the computer currently controlled by the mouse.

[0034] In one embodiment, the first mouse is a wireless near-field communication mouse; the second near-field communication accessory is an expansion dock with near-field communication function, a wireless mouse receiver, a mouse pad, or a near-field communication patch; each near-field communication accessory stores the identity data of a target computer, the first near-field communication accessory stores the identity data of the first target computer, and the second near-field communication accessory stores the second identity data.

[0035] Among them, a wireless near-field communication mouse can refer to a wireless mouse with near-field communication functionality.

[0036] Specifically, for ease of use, the first mouse is generally a wireless mouse with near-field communication (NFC) functionality. NFC components can be integrated into common computer office accessories, such as docking stations, wireless mouse receivers, and mouse pads, to create NFC-enabled docking stations, wireless mouse receivers, or mouse pads, which serve as NFC accessories in this disclosure. Alternatively, existing NFC patches can be used directly as NFC accessories. It should be noted that at least one of the two components performing NFC communication must be an active component. When the first mouse or NFC accessory uses an active NFC chip for NFC communication, a power supply is required to power the active NFC chip and other components. These requirements stem from the basic principles of NFC and will not be elaborated further. When the mouse involves more than one computer across screens, each target computer can have a corresponding NFC accessory to store the target computer's identity data. When the first mouse moves within the NFC range of a NFC accessory, it switches to control the corresponding computer. The NFC accessory storing the identity data of the first target computer is called the first NFC accessory.

[0037] In this embodiment, a docking station with near-field communication (NFC) functionality, a wireless mouse receiver, a mouse pad, or a NFC patch are used as NFC accessories in the cross-screen method. This can make full use of existing product designs and facilitate the application of the cross-screen method in this disclosure.

[0038] In one embodiment, when the second near-field communication accessory is a mouse pad, a battery module or wired power cord can be installed in the mouse pad to power the active near-field communication chip in the accessory. This allows the first mouse to use a passive near-field communication chip, reducing the power consumption of the near-field communication function and extending the wireless mouse's battery life. Furthermore, passive near-field communication chips have a simpler structure and lower cost, thus reducing the technical difficulty of adding near-field communication functionality to a wireless mouse and lowering its cost. It should be noted that when the first mouse uses a passive near-field communication chip, this chip generally needs to be electrically connected to the first mouse's processing module to facilitate data transmission.

[0039] In one embodiment, the method further includes: The first mouse receives and stores the first copied data sent by the first target computer. After the first mouse receives the second identity data, it uses the first mouse to send the first copied data to the second target computer.

[0040] The first copied data can refer to the data copied when the first mouse controls the first target computer.

[0041] Specifically, the first copied data may include data from the clipboard of the first target computer. Regarding mouse cross-screen functionality, besides switching the control cursor between different computers, users sometimes need content copied on one computer to be shared on other computers during mouse cross-screen operations. This involves data transfer between computers during mouse cross-screen operations. In existing mouse cross-screen technologies, file transfer between computers is generally conducted via a local area network (LAN). For cases where the controlled computers are connected via a LAN, the mouse cross-screen method in this disclosure can also use the LAN-based transmission method. This embodiment provides another transmission method: the first target computer sends the first copied data to the first mouse, and the first mouse then sends the first copied data to the second target computer. This transmission method is not limited by whether the cross-screen computers are connected to a LAN, has a wider range of applications, and offers better privacy and security compared to LAN-based transmission. It is particularly suitable for cases where the first copied data is small, such as when the first copied data does not exceed 3MB. The data transmission method between the target computer and the first mouse can be the same as the connection method between them, such as Bluetooth or 2.4G connection.

[0042] In one embodiment, the method further includes: Determine whether the amount of the first copied data exceeds a preset data threshold to obtain a first determination result; When the first judgment result includes the amount of data of the first copied data, which does not exceed the preset data threshold, the first copied data is transferred between the first target computer and the second target computer using the first mouse. When the first judgment result includes a data volume exceeding a preset data threshold, the first copied data is transmitted between the first target computer and the second target computer via a local area network.

[0043] The preset data threshold can refer to the preset data volume threshold for the first copy of data.

[0044] Specifically, for cases where the first copied data can be transferred between computers via a local area network (LAN) or via a mouse, the data transfer speed and security can be considered based on the data volume. If the data volume of the first copied data does not exceed a preset data threshold, the first copied data is transferred between the first and second target computers via the mouse. If the data volume of the first copied data exceeds the preset data threshold, the first copied data is transferred between the first and second target computers via the LAN. Technicians can set the specific value of the preset data threshold according to actual needs; its range can be 1~5Mb, for example, 1Mb, 2Mb, 3Mb, 4Mb, or 5Mb.

[0045] In one embodiment, after the first mouse receives the second identity data, the method further includes: using the first mouse to send the first identity data to the second target computer; the second target computer obtaining first copied data from the first target computer based on the first identity data; the first identity data including the identity data of the first target computer; or, using the first mouse to send the second identity data to the first target computer; the first target computer sending the first copied data to the second target computer based on the second identity data.

[0046] Specifically, since the first mouse controls the first target computer before the mouse crosses screens, it defaults to storing the identity data of the first target computer, i.e., the first identity data. Regarding the transmission of the first copied data, the second target computer can obtain the first copied data either actively or passively. In the active mode, through program design, the first mouse automatically sends the first identity data to the second target computer after receiving it. The second target computer then locates the first target computer based on the first identity data and obtains the first copied data from it. In the passive mode, the first mouse sends the second identity data to the first target computer after receiving it. The first target computer then locates the second target computer based on the second identity data, and the second target computer only needs to passively receive the first copied data sent by the first target computer. This embodiment provides two methods for transmitting the first copied data between target computers during mouse cross-screen processes. Technicians can choose the appropriate transmission method according to the application scenario in practical applications.

[0047] In one embodiment, the method further includes: The first copied data is transmitted between the first target computer and the second target computer via a first wireless receiver and a second wireless receiver; the first wireless receiver is electrically connected to the first target computer; the second wireless receiver is electrically connected to the second target computer; the first wireless receiver and the second wireless receiver are directly communicatively connected.

[0048] Among them, the first wireless receiver and the second wireless receiver are wireless receivers that can communicate directly with each other.

[0049] Specifically, the first and second wireless receivers can be wireless receivers based on Bluetooth technology or Wi-Fi Direct (Wi-Fi Direct is the name of a wireless communication technology that allows devices to connect directly without a router). To facilitate data sharing between target computers during mouse cross-screen operation, enabling data sharing without local area network limitations and with relatively high transmission rates, wireless receivers capable of direct communication can be used. The first wireless receiver is electrically connected to the first target computer, and the second wireless receiver is electrically connected to the second target computer, transmitting the first copied data through the first and second wireless receivers.

[0050] In one embodiment, the second near-field communication (NFC) accessory enables users to write the second identity data using their mobile phones via NFC. Currently, many mobile phones already have NFC functionality. For newly purchased NFC accessories or those requiring modified storage content, users can modify the target computer corresponding to the NFC accessory via their mobile phones, making it more convenient to use.

[0051] In one embodiment, the second near-field communication accessory is positioned within a preset distance threshold of the display screen of the second target computer, the preset distance threshold not exceeding 0.5m.

[0052] The preset distance threshold can refer to the pre-set distance between the second near-field communication accessory and the display screen of the second target computer.

[0053] Specifically, to facilitate the user bringing the first mouse close to the second near-field communication accessory when using the second target computer, the second near-field communication accessory can be set within a preset distance threshold of the second target computer's display screen. When the user is next to the second target computer, for example, sitting in front of the second target computer, they can easily bring the first mouse close to the second near-field communication accessory. The preset distance threshold can be 0.05m, 0.1m, 0.2m, 0.3m, 0.4m, or 0.5m.

[0054] It should be understood that although the steps in the flowcharts of the embodiments described above are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the embodiments described above may include multiple steps or multiple stages. These steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these steps or stages is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the steps or stages of other steps.

[0055] Based on the same inventive concept, this disclosure also provides a near-field communication-based mouse cross-screen system for implementing the aforementioned near-field communication-based mouse cross-screen method. The solution provided by this system is similar to the implementation described in the above method; therefore, the specific limitations of one or more near-field communication-based mouse cross-screen system embodiments provided below can be found in the limitations of the near-field communication-based mouse cross-screen method described above, and will not be repeated here.

[0056] In one embodiment, a mouse cross-screen system based on near-field communication (NFC) is provided, including a first mouse and a second NFC accessory; the first mouse is a NFC mouse; the system achieves mouse cross-screen communication between a first target computer and a second target computer through the following method: Connect the first mouse to the first target computer and the second target computer; Move the control cursor, which is located on the first mouse of the first target computer, to the near-field communication range of the second near-field communication accessory; The first mouse is used to receive second identity data sent by the second near-field communication attachment via near-field communication; the second identity data includes the identity data of the second target computer. Based on the second identity data, adjust the control cursor of the first mouse to the cursor located on the second target computer.

[0057] In one embodiment, the mouse cross-screen system based on near-field communication further includes a first near-field communication accessory, which is used to store the identity data of the first target computer.

[0058] In one embodiment, the mouse cross-screen system based on near-field communication is used to achieve mouse cross-screen between a first target computer and a second target computer through the method in any of the above embodiments.

[0059] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, data stored, data displayed, etc.) involved in this disclosure are all information and data authorized by the user or fully authorized by all parties.

[0060] Those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium, and when executed, it can include the processes of the embodiments of the above methods. Any references to memory, databases, or other media used in the embodiments provided in this disclosure can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (RRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM). The databases involved in the embodiments provided in this disclosure may include at least one type of relational database and non-relational database. Non-relational databases may include, but are not limited to, blockchain-based distributed databases. The processors involved in the embodiments provided in this disclosure may be general-purpose processors, central processing units, graphics processing units, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, etc., and are not limited to these.

[0061] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] The embodiments described above are merely illustrative of several implementations of this disclosure, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this patent disclosure. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this disclosure, and these all fall within the protection scope of this disclosure. Therefore, the protection scope of this disclosure should be determined by the appended claims.

Claims

1. A mouse cross-screen method based on near-field communication, characterized in that, The method includes: Connect the first mouse to the first target computer and the second target computer; Move the control cursor, which is located on the first mouse of the first target computer, to the near-field communication range of the second near-field communication accessory; The first mouse is used to receive second identity data sent by the second near-field communication attachment via near-field communication; the second identity data includes the identity data of the second target computer. Based on the second identity data, adjust the control cursor of the first mouse to the cursor located on the second target computer.

2. The method according to claim 1, characterized in that, The first mouse is a wireless near-field communication mouse; the second near-field communication accessory is an expansion dock, a wireless mouse receiver, a mouse pad, or a near-field communication patch with near-field communication function; each near-field communication accessory stores the identity data of a target computer, and the second near-field communication accessory stores the second identity data.

3. The method according to claim 1, characterized in that, The method further includes: The first mouse receives and stores the first copied data sent by the first target computer. After the first mouse receives the second identity data, it uses the first mouse to send the first copied data to the second target computer.

4. The method according to claim 3, characterized in that, The method further includes: Determine whether the amount of the first copied data exceeds a preset data threshold to obtain a first determination result; When the first judgment result includes the amount of data of the first copied data, which does not exceed the preset data threshold, the first copied data is transferred between the first target computer and the second target computer using the first mouse. When the first judgment result includes a data volume exceeding a preset data threshold, the first copied data is transmitted between the first target computer and the second target computer via a local area network.

5. The method according to claim 2, characterized in that, The mouse pad is equipped with a battery module or a wired power cord; the first mouse includes a passive near-field communication chip, and the near-field communication accessory includes an active near-field communication chip.

6. The method according to claim 1, characterized in that, After the first mouse receives the second identity data, the method further includes: The first identity data is sent to the second target computer using a first mouse; the second target computer retrieves the first copied data from the first target computer based on the first identity data; the first identity data includes the identity data of the first target computer. Alternatively, the first mouse can be used to send the second identity data to the first target computer; the first target computer can then use the second identity data to send the first copied data to the second target computer.

7. The method according to claim 6, characterized in that, The method further includes: The first copied data is transmitted between the first target computer and the second target computer via a local area network; Alternatively, the first copied data is transmitted between the first target computer and the second target computer via a first wireless receiver and a second wireless receiver; the first wireless receiver is electrically connected to the first target computer; the second wireless receiver is electrically connected to the second target computer; and the first wireless receiver and the second wireless receiver are directly communicatively connected.

8. The method according to claim 1, characterized in that, The method further includes: The second identity data is written into the second near-field communication attachment using a mobile phone via near-field communication.

9. The method according to claim 1, characterized in that, The second near-field communication accessory is positioned within a preset distance threshold of the display screen of the second target computer, wherein the preset distance threshold does not exceed 0.5m.

10. A mouse cross-screen system based on near-field communication, characterized in that, The system includes a first mouse and a second near-field communication accessory; the first mouse is a near-field communication mouse; when the system is used, it achieves mouse cross-screen communication between the first target computer and the second target computer through the method described in any one of claims 1 to 9.

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