CN109194754A - Equipment searching method and device - Google Patents
Equipment searching method and device Download PDFInfo
- Publication number
- CN109194754A CN109194754A CN201811059121.8A CN201811059121A CN109194754A CN 109194754 A CN109194754 A CN 109194754A CN 201811059121 A CN201811059121 A CN 201811059121A CN 109194754 A CN109194754 A CN 109194754A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of equipment searching method and devices；Wherein, this method is applied to the first equipment, and method includes: to establish and communicate to connect with preset server when the first equipment needs to search for equipment；The IP address of multiple equipment is pre-saved in server；According to the IP address of the first equipment, search obtains the second equipment that same local area network is in the first equipment from server.The present invention searches for the equipment in local area network by IP address, so as to avoid limitation caused by udp broadcast, has relatively broad application range.
Description
Technical field
The present invention relates to Internet technical fields, more particularly, to a kind of equipment searching method and device.
Background technique
In existing way, mostly by sending UDP (User Datagram Protocol, User Datagram Protocol) broadcast
Mode complete mutually to search for；For example, party A-subscriber sends the local area network udp broadcast comprising fixed protocol format, party B-subscriber is received
Udp broadcast from local area network, decoding content recognition come out party A-subscriber, and this completes local area network of the party B-subscriber to party A-subscriber to search
Rope, existing UPNP (Universal Plug and Play, universal plug and play), DLNA (Digtal Living
Network Alliance, Digital Life Network Alliance) agreement etc. is all based on what above-mentioned udp broadcast was realized.
It is above-mentioned this in such a way that udp broadcast realizes that equipment is searched in local area network, it needs to support UDP wide in communication environment
It broadcasts, and existing many LAN routers are born based on the considerations of network flow, the visitor for closing udp broadcast, and having
Sending and receiving for udp broadcast is not supported at family end yet, this allow for above by udp broadcast search for local area network in equipment have compared with
Big limitation.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of equipment searching method and device, to pass through IP (Internet
Protocol, the agreement interconnected between network) equipment in address searching local area network, to avoid limitation caused by udp broadcast
Property, improve the widespread popularity of equipment way of search.
In a first aspect, method is applied to the first equipment, method packet the embodiment of the invention provides a kind of equipment searching method
It includes: when the first equipment needs to search for equipment, establishing and communicate to connect with preset server；It has been pre-saved in server multiple
The IP address of equipment；According to the IP address of the first equipment, search obtains being in same local area network with the first equipment from server
The second equipment.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein on
The IP address according to the first equipment is stated, search obtains the second equipment that same local area network is in the first equipment from server
Step, comprising: obtain the IP address of the first equipment；By the IP address of the multiple equipment saved in server one by one with the first equipment
IP address be compared；According to comparison result, screening is obtained in multiple equipment, and the IP address of IP address and the first equipment is default
The identical equipment of network segment；It is determined as the equipment that screening obtains to be in the second equipment of same local area network with the first equipment.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein on
The method of stating includes: to establish and communicate to connect with the second equipment according to the IP address of the second equipment.
Second aspect, the embodiment of the invention provides a kind of equipment searching method, method is applied to the second equipment, method packet
It includes: when the second equipment accesses network, connection signal is sent to preset server, so that server is parsed from connection signal
The IP address of the second equipment is obtained, the IP address of the second equipment is saved.
The third aspect, the embodiment of the invention provides a kind of equipment searching method, method is applied to server, method packet
Include: when receiving the connection signal of the second equipment, parsing obtains the IP address of the second equipment from connection signal, saves second
The IP address of equipment, so that after the first equipment and server establish communication connection, according to the IP address of the first equipment, from server
Middle search obtains the second equipment that same local area network is in the first equipment.
Fourth aspect, the embodiment of the invention provides a kind of equipment searcher, device is set to the first equipment, device packet
It includes: the first link block, for establishing and communicating to connect with preset server when the first equipment needs to search for equipment；Service
The IP address of multiple equipment is pre-saved in device；Search module is searched from server for the IP address according to the first equipment
Rope obtains the second equipment that same local area network is in the first equipment.
In conjunction with fourth aspect, the embodiment of the invention provides the first possible embodiments of fourth aspect, wherein on
It states search module to be also used to: obtaining the IP address of the first equipment；By the IP address of the multiple equipment saved in server one by one with
The IP address of first equipment is compared；According to comparison result, screening is obtained in multiple equipment, the IP of IP address and the first equipment
Preset the identical equipment of network segment in address；The obtained equipment of screening is determined as be in the second of same local area network with the first equipment and be set
It is standby.
In conjunction with fourth aspect, the embodiment of the invention provides second of possible embodiments of fourth aspect, wherein on
Stating device includes: the second link block, for the IP address according to the second equipment, establishes and communicates to connect with the second equipment.
5th aspect, the embodiment of the invention provides a kind of equipment searcher, device is set to the second equipment, device packet
It includes: signal transmitting module, for sending connection signal to preset server when the second equipment accesses network, so that service
Device is parsed from connection signal obtains the IP address of the second equipment, saves the IP address of the second equipment.
6th aspect, the embodiment of the invention provides a kind of equipment searcher, device is set to server, device packet
It includes: parsing module, for when receiving the connection signal of the second equipment, parsing to obtain the IP of the second equipment from connection signal
Address saves the IP address of the second equipment, so that after the first equipment and server establish communication connection, according to the IP of the first equipment
Address, search obtains the second equipment that same local area network is in the first equipment from server.
The embodiment of the present invention bring it is following the utility model has the advantages that
Above equipment searching method and device provided in an embodiment of the present invention, when the first equipment needs to search for equipment, with
Preset server establishes communication connection；The IP address of multiple equipment is pre-saved in server；According to the IP of the first equipment
Address, search obtains the second equipment that same local area network is in the first equipment from server.Which is searched by IP address
Equipment in rope local area network has relatively broad application range so as to avoid limitation caused by udp broadcast.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of equipment searching method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another equipment searching method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of equipment searcher provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of Internet of things system provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In view of in such a way that udp broadcast realizes that equipment is searched in local area network, needing to support UDP wide in communication environment
It broadcasts, there is the problem of biggish limitation, the embodiment of the invention provides a kind of equipment searching method and device, which can be with
Applied in the equipment search in equipment search, equipment interconnection or the network in Internet of Things.For convenient for being carried out to the present embodiment
Understand, describes in detail first to a kind of equipment searching method disclosed in the embodiment of the present invention.
As shown in Figure 1, the equipment searching method is applied to the first equipment, which can be mobile phone, tablet computer
Equal mobile terminals, or PC machine or other networking gears.This method comprises the following steps:
Step S102 is established with preset server and is communicated to connect when the first equipment needs to search for equipment；In server
Pre-save the IP address of multiple equipment；
After the starting of first equipment, user can trigger the instruction of equipment in search current local area network, after the instruction triggers, the
One equipment can actively connect above-mentioned server；The server can be the server in wide area network；It is protected in advance in the server
There is the IP address of multiple equipment in current local area network or multiple local area networks；The equipment can be internet of things equipment, can also have
There are other networking gears of relatively fixed IP address.First equipment can pass through relevant communication protocols to the communication connection of server
View connection, can also be communicated by the way of ping connection.
Step S104, according to the IP address of the first equipment, search obtains being in same office with the first equipment from server
Second equipment of domain net.
IP address is also referred to as Internet protocol address, it is each network and each host assignment one on internet
A logical address shields the difference of physical address with this.Thus, network is when distributing IP address for networking gear, geographical position
Often there is identical network segment in the IP address for setting closer equipment room；It is searched based on this according to the IP address of above-mentioned first equipment
There is the equipment of similar network segment to the IP address of the first equipment, can be obtained and be in the second of same local area network with the first equipment and set
It is standby.In general, IP address includes four network segments, the equipment that the identical equipment of first three network segment is same local area network can be set,
The equipment that the identical equipment of the first two network segment is same local area network can be set.
Above equipment searching method provided in an embodiment of the present invention, it is and preset when the first equipment needs to search for equipment
Server establishes communication connection；The IP address of multiple equipment is pre-saved in server；According to the IP address of the first equipment, from
Search obtains the second equipment that same local area network is in the first equipment in server.Which searches for local area network by IP address
Interior equipment has relatively broad application range so as to avoid limitation caused by udp broadcast.
The embodiment of the present invention also provides another equipment searching method, and this method is realized on the basis of the above method；Such as Fig. 2
Shown, this method comprises the following steps:
Step S202 is established with preset server and is communicated to connect when the first equipment needs to search for equipment；In server
Pre-save the IP address of multiple equipment；
Step S204 obtains the IP address of the first equipment；
Specifically the IP address that order obtains the first equipment itself, such as CMD order can be obtained by relevant IP address.
Step S206 compares the IP address of the multiple equipment saved in server with the IP address of the first equipment one by one
It is right；
Service implement body can save the IP address of above-mentioned multiple equipment in the form of a list, and every record is protected in the list
There is the device identification IP address corresponding with the device identification of an equipment；First equipment can star function of search, from
One record starts, and is compared one by one with the IP address in each record, and generates a comparison result for every record；
It can recorde the IP address of the first equipment and the similar network segment of the IP address in this record and similar in the comparison result
Network segment quantity.
Step S208, according to comparison result, screening is obtained in multiple equipment, and the IP address of IP address and the first equipment is default
The identical equipment of network segment；
Step S210 is determined as the equipment that screening obtains to be in the second equipment of same local area network with the first equipment.
The default network segment can be preset, as IP address four network segments in first three network segment；Due to above-mentioned comparison
As a result similar network segment and similar network segment quantity are had recorded in, thus can be filtered out and first three network segment of the IP address of the first equipment
Identical equipment, these equipment are the equipment that can be identified as being in same local area network with the first equipment.
Step S212 is established with the second equipment and is communicated to connect according to the IP address of the second equipment.
In actual implementation, the device identification for the equipment for being in same local area network with the first equipment determined can be sent out
It send to the first equipment, is presented to the user in the form of a list, the equipment for specifically needing to connect is selected by user；First equipment receives
To user select equipment when, i.e., be communicatively coupled with the equipment of selection.
In aforesaid way, the equipment in local area network is searched for by IP address, is limited to so as to avoid caused by udp broadcast
Property, there is relatively broad application range.
The embodiment of the present invention also provides another equipment searching method, and this method is realized on the basis of the above method；The party
The equipment searching method is described with the angle of the second equipment in method；It is described in detail below:
When the second equipment accesses network, connection signal is sent to preset server, so that server is from connection signal
Middle parsing obtains the IP address of the second equipment, saves the IP address of the second equipment.
When the second equipment is internet of things equipment, after second equipment starting, it will usually which connection for a long time is in a network；?
When second equipment starts, the second equipment actively can send connection signal to server, after establishing communication connection with server, clothes
Business device can parse the device identification of the IP address and second equipment of the second equipment from connection signal；And by IP
Location and corresponding device identification are saved to database.In actual implementation, for the ease of user's identification, which can be pre-
It first sets, such as specifically device identification can be arranged according to type, function, device geographical location of the second equipment etc..
For the IP address for second equipment that timely updates, IP address can be obtained when the second equipment starts, can also determined
When to the second equipment send IP address acquisition instruction, if it find that the IP address of the second equipment changes, timely update database, with
The first equipment is set to search the second equipment at any time.
The embodiment of the present invention also provides another equipment searching method, and this method is realized on the basis of the above method；The party
Angle in method with server describes the equipment searching method；It is described in detail below:
When receiving the connection signal of the second equipment, parsing obtains the IP address of the second equipment from connection signal, protects
The IP address of the second equipment is deposited, so that after the first equipment and server establish communication connection, according to the IP address of the first equipment, from
Search obtains the second equipment that same local area network is in the first equipment in server.
In actual implementation, server can also obtain second in preset IP address network segment in such a way that ping is scanned and set
Standby IP address, after receiving back-signalling (back-signalling is equivalent to above-mentioned connection signal) of the second equipment, parsing should
Back-signalling obtains the IP address of the second equipment, and preservation corresponding with the device identification of the second equipment.
In aforesaid way, by the mutual cooperation between the first equipment, the second equipment and server, pass through IP to realize
Address searching obtains same lan device, so as to avoid limitation caused by udp broadcast, applies model with relatively broad
It encloses.
Corresponding to above method embodiment, a kind of structural schematic diagram of equipment searcher shown in Figure 3, the device
It is set to the first equipment, which includes:
First link block 30, for establishing communication link with preset server when the first equipment needs to search for equipment
It connects；The IP address of multiple equipment is pre-saved in server；
Search module 31, for the IP address according to the first equipment, search obtains being in the first equipment from server
Second equipment of same local area network.
Above equipment searcher provided in an embodiment of the present invention, it is and preset when the first equipment needs to search for equipment
Server establishes communication connection；The IP address of multiple equipment is pre-saved in server；According to the IP address of the first equipment, from
Search obtains the second equipment that same local area network is in the first equipment in server.Which searches for local area network by IP address
Interior equipment has relatively broad application range so as to avoid limitation caused by udp broadcast.
Further, above-mentioned search module is also used to: obtaining the IP address of the first equipment；It is multiple by what is saved in server
The IP address of equipment is compared with the IP address of the first equipment one by one；According to comparison result, screening is obtained in multiple equipment, IP
Address equipment identical with the default network segment of the IP address of the first equipment；The equipment that screening obtains is determined as being in the first equipment
Second equipment of same local area network.
Above-mentioned apparatus includes: the second link block, for the IP address according to the second equipment, is communicated with the foundation of the second equipment
Connection.
The embodiment of the present invention also provides another equipment searcher, which is set to the second equipment, which includes:
Signal transmitting module, for when the second equipment access network when, to preset server send connection signal so that server from
Parsing obtains the IP address of the second equipment in connection signal, saves the IP address of the second equipment.
The embodiment of the present invention also provides another equipment searcher, which is set to server, which includes: solution
Module is analysed, for being parsed from connection signal and obtaining the IP address of the second equipment when receiving the connection signal of the second equipment,
The IP address of the second equipment is saved, so that after the first equipment and server establish communication connection, according to the IP address of the first equipment,
Search obtains the second equipment that same local area network is in the first equipment from server.
As shown in figure 4, the embodiment of the present invention also provides a kind of Internet of things system, which includes server 40, Yi Jiyu
The first equipment 41 and the second equipment 42 of server connection.
Internet of things system provided in an embodiment of the present invention has with equipment searching method provided by the above embodiment and device
Identical technical characteristic reaches identical technical effect so also can solve identical technical problem.
The computer program product of equipment searching method, device and Internet of things system provided by the embodiment of the present invention, packet
The computer readable storage medium for storing program code is included, the instruction that said program code includes can be used for executing previous methods
Method as described in the examples, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of equipment searching method, which is characterized in that the method is applied to the first equipment, which comprises
When first equipment needs to search for equipment, establishes and communicate to connect with preset server；In the server in advance
Preserve the IP address of multiple equipment；
According to the IP address of first equipment, search obtains being in same local with first equipment from the server
Second equipment of net.
2. the method according to claim 1, wherein according to the IP address of first equipment, from the service
Search obtains the step of being in the second equipment of same local area network with first equipment in device, comprising:
Obtain the IP address of first equipment；
IP address by the IP address of the multiple equipment saved in the server one by one with first equipment compares
It is right；
According to comparison result, screening is obtained in multiple equipment, and the IP address of IP address and first equipment presets network segment
Identical equipment；
It is determined as the equipment that screening obtains to be in the second equipment of same local area network with first equipment.
3. the method according to claim 1, wherein the described method includes: according to the IP of second equipment
Location is established with second equipment and is communicated to connect.
4. a kind of equipment searching method, which is characterized in that the method is applied to the second equipment, which comprises
When second equipment accesses network, connection signal is sent to preset server, so that the server is from described
Parsing obtains the IP address of second equipment in connection signal, saves the IP address of second equipment.
5. a kind of equipment searching method, which is characterized in that the method is applied to server, which comprises
When receiving the connection signal of the second equipment, the IP for obtaining second equipment is parsed from the connection signal
Location saves the IP address of second equipment, so that after the first equipment and the server establish communication connection, according to described the
The IP address of one equipment, search obtains the second equipment that same local area network is in first equipment from the server.
6. a kind of equipment searcher, which is characterized in that described device is set to the first equipment, and described device includes:
First link block, for establishing and communicating to connect with preset server when first equipment needs to search for equipment；
The IP address of multiple equipment is pre-saved in the server；
Search module, for the IP address according to first equipment, search obtains setting with described first from the server
Standby the second equipment for being in same local area network.
7. device according to claim 6, which is characterized in that described search module is also used to:
Obtain the IP address of first equipment；
IP address by the IP address of the multiple equipment saved in the server one by one with first equipment compares
It is right；
According to comparison result, screening is obtained in multiple equipment, and the IP address of IP address and first equipment presets network segment
Identical equipment；
It is determined as the equipment that screening obtains to be in the second equipment of same local area network with first equipment.
8. device according to claim 6, which is characterized in that described device includes: the second link block, for according to institute
The IP address for stating the second equipment is established with second equipment and is communicated to connect.
9. a kind of equipment searcher, which is characterized in that described device is set to the second equipment, and described device includes:
Signal transmitting module, for sending connection signal to preset server when second equipment accesses network, so that
The server is parsed from the connection signal obtains the IP address of second equipment, with saving the IP of second equipment
Location.
10. a kind of equipment searcher, which is characterized in that described device is set to server, and described device includes:
Parsing module, for when receiving the connection signal of the second equipment, parsing obtains described the from the connection signal
The IP address of two equipment saves the IP address of second equipment, so that the first equipment and the server are established and communicated to connect
Afterwards, according to the IP address of first equipment, search obtains being in same local with first equipment from the server
Second equipment of net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059121.8A CN109194754A (en) | 2018-09-11 | 2018-09-11 | Equipment searching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059121.8A CN109194754A (en) | 2018-09-11 | 2018-09-11 | Equipment searching method and device |
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| CN109194754A true CN109194754A (en) | 2019-01-11 |
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| CN201811059121.8A Pending CN109194754A (en) | 2018-09-11 | 2018-09-11 | Equipment searching method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372143A (en) * | 2019-12-26 | 2020-07-03 | 视联动力信息技术股份有限公司 | Signaling interaction method and device and readable storage medium |
| CN113507517A (en) * | 2021-07-07 | 2021-10-15 | 北京字节跳动网络技术有限公司 | Screen projection equipment discovery method and device, electronic equipment and storage medium |
| CN113765967A (en) * | 2020-09-11 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Device searching method, device and storage medium |
| CN113873684A (en) * | 2021-09-13 | 2021-12-31 | Oppo广东移动通信有限公司 | Connection establishing method and device based on local area network, terminal equipment and storage medium |
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