CN109962979B - Two-dimensional code scanning method and device, storage medium and computer equipment - Google Patents

Two-dimensional code scanning method and device, storage medium and computer equipment Download PDF

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CN109962979B
CN109962979B CN201910198954.0A CN201910198954A CN109962979B CN 109962979 B CN109962979 B CN 109962979B CN 201910198954 A CN201910198954 A CN 201910198954A CN 109962979 B CN109962979 B CN 109962979B
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dimensional code
scanning device
code scanning
network
dimensional
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CN109962979A (en
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李政
朱广凤
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Shenzhen Waterward Information Co Ltd
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Shenzhen Waterward Information Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/10Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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Abstract

The invention discloses a method, a device, a storage medium and computer equipment for scanning a two-dimensional code, wherein the method for scanning the two-dimensional code comprises the steps of starting a working state for scanning the two-dimensional code; detecting and judging whether the network state at the first moment is in an abnormal state; if yes, storing the two-dimension code; detecting and judging whether the network state at the second moment is in an abnormal state again; and if not, reading the two-dimensional code again and uploading the two-dimensional code to a two-dimensional code decoder. Compared with the prior art, the two-dimension code scanning device can still read and store the two-dimension code in the abnormal state of the network. In addition, the decoding work of the two-dimensional code scanning device is completed by other equipment, and the two-dimensional code scanning device does not need to bear the decoding work, so that the volume of the two-dimensional code scanning device is smaller, and the two-dimensional code scanning device is convenient for a user to use and carry.

Description

Two-dimensional code scanning method and device, storage medium and computer equipment
Technical Field
The present invention relates to the field of two-dimensional code technology, and in particular, to a method, an apparatus, a storage medium, and a computer device for scanning a two-dimensional code.
Background
The two-dimensional code is widely applied to production and life of people as an information medium. People often encounter the following problems in the process of using the two-dimensional code: when the two-dimensional code scanning device is in an off-line state, the two-dimensional code scanning device needs to be networked, a user can analyze and utilize the two-dimensional code, and the user loses or is far away from the two-dimensional code to be used when the two-dimensional code scanning device is in the on-line state; when the signal of the two-dimensional code scanning device is poor, a user cannot read and utilize the two-dimensional code information all the time, and the two-dimensional code information cannot be read and utilized normally until the signal of the two-dimensional code scanning device is normal.
Therefore, the conventional two-dimensional code scanning device cannot read and store the two-dimensional code in the abnormal state of the network, and the opportunity of rescanning the required two-dimensional code is lost when the network of the two-dimensional code scanning device is normal.
Disclosure of Invention
The invention aims to provide a two-dimensional code scanning method, and aims to solve the technical problem that the two-dimensional code cannot be read and stored by the conventional two-dimensional code scanning device in an abnormal network state.
The invention provides a two-dimensional code scanning method, which comprises the following steps: starting a working state of scanning the two-dimensional code;
detecting and judging whether the network state at the first moment is in an abnormal state;
if yes, storing the two-dimension code;
detecting and judging whether the network state at the second moment is in an abnormal state again;
and if not, reading the two-dimensional code again and uploading the two-dimensional code to a two-dimensional code decoder.
Preferably, the step of detecting and determining whether the network state at the first time is in an abnormal state includes:
detecting and judging whether the two-dimensional code scanning device has a communication signal or not;
if not, the two-dimensional code scanning device is judged to be in a first network abnormal state.
Preferably, after the step of detecting and determining whether the two-dimensional code scanning device has the communication signal, the method includes:
if the two-dimensional code scanning device is provided with a communication signal, detecting and judging whether the current signal intensity is in a signal preset interval or not;
if not, the two-dimensional code scanning device is judged to be in the second network abnormal state.
Preferably, the communication signal includes a wireless network signal corresponding to a wireless network, and after the step of storing the two-dimensional code, the method includes:
judging whether a wireless network matched with the two-dimensional code scanning device can be searched;
if so, connecting a wireless network matched with the two-dimensional code scanning device;
and generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
Preferably, the step of determining whether a wireless network matched with the two-dimensional code scanning device can be found includes:
if a wireless network matched with the two-dimensional code scanning device is not searched, judging whether a mobile network exists or not;
if the mobile network exists, judging whether the mobile network can be successfully connected or not;
if not, controlling to start an external antenna arranged on the two-dimensional code scanning device;
and generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
Preferably, the step of re-reading the two-dimensional code and uploading the two-dimensional code to the two-dimensional code decoder comprises:
detecting the storage time of each two-dimensional code, wherein each two-dimensional code is contained in all the stored two-dimensional codes;
judging whether the storage time of the first two-dimensional code is less than the preset time or not, wherein the first two-dimensional code is contained in all the stored two-dimensional codes;
and if the storage time of the first two-dimensional code is judged to be less than the preset time, uploading the first two-dimensional code to a two-dimensional code decoder.
Preferably, after the step of detecting the storage time of each two-dimensional code, the method includes:
judging whether the storage time of a second two-dimensional code is less than the preset time or not, wherein the second two-dimensional code is contained in all the stored two-dimensional codes;
and if the storage time of the second two-dimensional code is judged to be not less than the preset time, deleting the second two-dimensional code.
The present invention also provides a two-dimensional code scanning device, including:
the starting module is used for starting the working state of scanning the two-dimensional code;
the first detection module is used for detecting and judging whether the network state at the first moment is in an abnormal state;
the storage module is used for storing the two-dimensional code if the network state at the first moment is in an abnormal state;
the second detection module is used for detecting and judging whether the network state at the second moment is in an abnormal state;
and the execution module is used for re-reading the two-dimensional code and uploading the two-dimensional code to the two-dimensional code decoder.
The present invention also provides a storage medium, which is a computer-readable storage medium, on which a computer program is stored, the computer program, when executed, implementing a method of two-dimensional code scanning.
The invention also provides computer equipment which comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the two-dimensional code scanning method when executing the computer program.
The invention has the beneficial effects that: according to the invention, the network state of the two-dimensional code scanning device is detected twice, and the two-dimensional code scanning device respectively performs operations of storing the two-dimensional code and recovering the network state according to the detection result, so that the effect of reading and decoding the current two-dimensional code as far as possible is achieved. Through the operation, when the network state of the two-dimensional code scanning device is abnormal, the two-dimensional code scanning device stores the two-dimensional code, and when the network state of the two-dimensional code scanning device is normal, the two-dimensional code scanning device can still read the two-dimensional code, so that the technical problem that the two-dimensional code cannot be read and stored by the conventional two-dimensional code scanning device in the abnormal state of the network is solved. In addition, the decoding work of the two-dimensional code scanning device is completed by other equipment, and the two-dimensional code scanning device does not need to bear the decoding work, so that the volume of the two-dimensional code scanning device is smaller, and the two-dimensional code scanning device is convenient for a user to use and carry.
Drawings
Fig. 1 is a first flowchart of a two-dimensional code scanning method according to the present application;
fig. 2 is a second flowchart of a two-dimensional code scanning method according to the present application;
fig. 3 is a third flowchart of a two-dimensional code scanning method according to the present application;
fig. 4 is a fourth flowchart illustrating a two-dimensional code scanning method according to the present application;
fig. 5 is a schematic structural diagram of a two-dimensional code scanning apparatus according to a first embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a two-dimensional code scanning apparatus according to a second embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a two-dimensional code scanning apparatus according to a third embodiment of the present application;
FIG. 8 is a block diagram of an embodiment of a storage medium provided in the present application;
fig. 9 is a block diagram of an embodiment of a computer device provided in the present application.
Description of reference numerals:
1. starting the module;
2. a first detection module;
3. a storage module; 31. a wireless network judging module; 310. a mobile network judgment module; 311. a mobile network connection module; 312. an external antenna module; 313. a third control module; 32. a wireless network connection module; 33. a first control module;
4. a second detection module;
5. an execution module;
100. a storage medium; 200. a computer program; 300. a computer device; 400. a processor.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a two-dimensional code scanning method, including:
s1: and starting the working state of scanning the two-dimensional code.
In the embodiment of the invention, the working state of the two-dimension code scanning is started, and the two-dimension code scanning device starts to scan the current two-dimension code. The two-dimensional code scanning device comprises a scanning gun and other equipment. Taking the scanning gun as an example, the scanning gun firstly detects the illumination intensity of the current environment, if the illumination intensity of the current environment of the scanning gun is lower than the light intensity preset value, the light supplementing device arranged on the scanning gun is automatically started to supplement light so as to increase the illumination intensity of the current environment and meet the requirement of clearly scanning the two-dimensional code. And then controlling the scanning gun to automatically adjust the position of the scanning gun according to the positioning lamp, so that the scanning gun is just aligned to the two-dimensional code to be scanned for positioning scanning. The positioning lamp comprises an infrared lamp or a scanning profile consisting of a plurality of infrared lamps.
S2: and detecting and judging whether the network state at the first moment is in an abnormal state.
In the embodiment of the present invention, the abnormal state includes an abnormality corresponding to the signal connection state or an abnormality corresponding to the signal strength not meeting the requirement. The network status includes a mobile network status and a wireless network status. Therefore, the abnormal state of the network state includes that the two-dimensional code scanning device cannot be connected with the mobile network and cannot be connected with the wireless network, or the signal intensity of the mobile network and the signal intensity of the wireless network cannot meet the requirement of the two-dimensional code scanning device. Both of the above cases are the case where the network state is in an abnormal state.
S3: and if so, storing the two-dimensional code.
In the embodiment of the present invention, if the mobile signal of the two-dimensional code scanning device at the first time is in an abnormal state and the wireless network signal of the two-dimensional code scanning device at the first time is in an abnormal state, it is determined that the network state of the two-dimensional code scanning device at the first time is in an abnormal state. The two-dimensional code scanning device is provided with a storage space for storing two-dimensional codes. The storage space may be a hard disk, a magnetic tape, an optical disk, a removable storage device, etc. When the network state at the first moment is in an abnormal state, the two-dimensional code scanning device generates instruction information for storing the current two-dimensional code, and the microprocessor transmits the instruction information to the storage space.
S4: detecting and judging whether the network state at the second moment is in an abnormal state again;
in the embodiment of the present invention, the steps S4 and S2 are the same except for the detection time, and therefore are not repeated.
S5: and if not, reading the two-dimensional code again and uploading the two-dimensional code to a two-dimensional code decoder.
In the embodiment of the invention, the two-dimensional code decoder can be a cloud, a background, a server and the like. The two-dimensional code scanning device comprises a wireless transmission module, and the wireless transmission module is used for transmitting and receiving data with the two-dimensional code decoder. And when the mobile signal of the two-dimensional code scanning device at the second moment is in a normal state or the wireless network signal of the two-dimensional code scanning device at the second moment is in a normal state, judging that the network state of the two-dimensional code scanning device at the second moment is not in an abnormal state. When the two-dimensional code scanning device is not in an abnormal state, the two-dimensional code scanning device transmits the two-dimensional code to the two-dimensional code decoder through the wireless transmission module, and the two-dimensional code decoder analyzes data of the two-dimensional code. The two-dimensional code scanning device of this embodiment is only including having scanning and information transmission function, and the server of analytic two-dimensional code separately independently sets up in the equipment end of difference with two-dimensional code scanning device, and the server of analytic two-dimensional code realizes being correlated with two-dimensional code scanning device through signal connection, and two-dimensional code scanning device need not to undertake the work of decoding, can make two-dimensional code scanning device's volume littleer, and convenience of customers uses and carries.
Referring to fig. 2, a second flow chart of the two-dimensional code scanning method provided in the present application, step S2 of detecting and determining whether the network state at the first time is in an abnormal state includes:
s21: detecting and judging whether the two-dimensional code scanning device has a communication signal or not;
s22: if not, the two-dimensional code scanning device is judged to be in a first network abnormal state.
In the embodiment of the invention, the communication signals comprise mobile signals and wireless network signals. The two-dimensional code scanning device searches nearby base stations so as to judge whether a mobile signal exists or not; the two-dimensional code scanning device searches nearby wireless networks so as to judge whether wireless network signals exist or not. The two-dimensional code scanning device searches for the base station and the wireless network at the same time at the first moment, and if the two-dimensional code scanning device cannot search for the mobile signal at the first moment and cannot search for the wireless network signal at the first moment, the two-dimensional code scanning device at the first moment is judged to be in a first network abnormal state.
Referring to fig. 2, a second flowchart of the two-dimensional code scanning method provided in the present application, after the step S21 of detecting and determining whether the two-dimensional code scanning apparatus has a communication signal, includes:
s211: if the two-dimensional code scanning device is provided with a communication signal, detecting and judging whether the current signal intensity is in a signal preset interval or not;
s212: if not, the two-dimensional code scanning device is judged to be in the second network abnormal state.
In the embodiment of the present invention, the signal preset interval includes a mobile signal preset interval and a wireless network signal preset interval. The range value of the mobile signal preset interval is 60-80dbm, the range value of the wireless network signal preset interval is-40-85 dbm, and the two-dimensional code scanning device can normally work in the signal preset interval. The two-dimensional code scanning device simultaneously detects the mobile signal intensity and the wireless network signal intensity at a first moment, and if the mobile signal intensity at the first moment is not within the range of 60-80dbm, the mobile network at the first moment of the two-dimensional code scanning device is in an abnormal state; if the signal intensity of the wireless network at the first moment is not-40 to-85 dbm, the wireless network at the first moment of the two-dimensional code scanning device is in an abnormal state; when the mobile network of the two-dimensional code scanning device at the first moment is in an abnormal state and the wireless of the two-dimensional code scanning device at the first moment is in an abnormal state, the network state of the two-dimensional code scanning device at the first moment is judged to be in a second network abnormal state.
Referring to fig. 3, which is a third flowchart of the scanning method for a two-dimensional code provided in the present application, the communication signal includes a wireless network signal corresponding to a wireless network, and after the step S3 of storing the two-dimensional code, the method includes:
s31, judging whether a wireless network matched with the two-dimensional code scanning device is searched;
s32, if yes, connecting a wireless network matched with the two-dimensional code scanning device;
and S33, generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
In the embodiment of the invention, the two-dimensional code scanning device searches for nearby wireless networks, wherein the wireless networks comprise WiFi, Bluetooth and the like. The two-dimensional code scanning device searches for the wireless network of the current environment, the wireless networks are sequentially ranked from strong to weak according to the strength of the wireless network, the wireless networks are matched one by one, and if the matching is successful, the wireless network is successfully connected. And then generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
Referring to fig. 3, a third flowchart of the two-dimensional code scanning method provided in the present application is shown, where the communication signal includes a mobile signal corresponding to a mobile network, and after step S31 of determining whether a wireless network matching the two-dimensional code scanning device can be found, the method includes:
s310: if a wireless network matched with the two-dimensional code scanning device is not searched, judging whether a mobile network exists or not;
s311: if the mobile network exists, judging whether the mobile network can be successfully connected or not;
s312: if not, an external antenna arranged on the two-dimensional code scanning device is started;
s33: and generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
In the embodiment of the invention, the two-dimension code scanning device can not be matched with the wireless network under two conditions, wherein the first condition is that the two-dimension code scanning device can not search the wireless network, and the second condition is that the two-dimension code scanning device can not search the wireless network but can not be matched with the wireless network. And if the two-dimension code scanning device cannot be matched with the wireless network, judging whether a mobile network exists in the current environment of the two-dimension code scanning device. If the mobile network exists in the current environment, whether the two-dimensional code scanning device is successfully connected with the mobile network is judged, if the two-dimensional code scanning device is failed to be connected with the mobile network, the current mobile network signal strength is not enough to support normal network connection, and an external antenna arranged on the two-dimensional code scanning device is controlled to be started. The external antenna enables the two-dimensional code scanning device to receive signals of farther base stations, so that the range of the two-dimensional code scanning device for receiving mobile signals is expanded; or the signal intensity of the two-dimensional code scanning device received by the current base station is enhanced, and the external antenna is not interfered by an internal circuit of the two-dimensional code scanning device, so that the mobile signal of the two-dimensional code scanning device is enhanced. And finally, generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state by the two-dimensional code scanning device.
Referring to fig. 4, a fourth flowchart of the two-dimensional code scanning method provided in the present application, where the step S5 of rereading the two-dimensional code and uploading the rereaded two-dimensional code to the two-dimensional code decoder includes:
s51: detecting the storage time of each two-dimensional code, wherein each two-dimensional code is contained in all stored two-dimensional codes;
s52: judging whether the storage time of the first two-dimensional code is less than the preset time or not, wherein the first two-dimensional code is contained in all the stored two-dimensional codes;
s53: and if the storage time of the first two-dimensional code is judged to be less than the preset time, uploading the first two-dimensional code to a two-dimensional code decoder.
The step S51 of detecting the storage time of each two-dimensional code includes:
numbering the two-dimensional codes stored in the storage space of the two-dimensional code scanning device according to the stored time sequence; forming a corresponding two-dimension code number list according to the numbers of the two-dimension codes; and finally, calculating the time difference between the moment when each two-dimension code is stored in the storage space of the two-dimension code scanning device and the moment when each two-dimension code is read again by the two-dimension code scanning device.
In the embodiment of the invention, all the two-dimensional codes are stored in the storage space of the two-dimensional code scanning device. The two-dimensional codes have corresponding numbers according to the sequence of storing the two-dimensional codes into the storage space of the two-dimensional code scanning device, for example, the number of the first two-dimensional code stored into the storage space is 1, the number of the second two-dimensional code stored into the storage space is 2, and so on. The two-dimensional code scanning device detects the storage time of the two-dimensional codes one by one according to the serial number sequence, the moment when each two-dimensional code is stored in the storage space is recorded as the initial time, the moment when each two-dimensional code is read again is recorded as the cut-off time, and the difference value between the cut-off time and the initial time of each two-dimensional code is the storage time of the two-dimensional code. For example, it is determined whether the storage time of the first two-dimensional code is longer than a preset time, where the first two-dimensional code is included in all the stored two-dimensional codes, and the preset time is 24 hours. And if the storage time of the two-dimensional code is less than 24 hours, uploading the first two-dimensional code to a two-dimensional decoder. Through the operation, the two-dimension code with the storage time less than the preset time is stored in the server, and when the storage space of the two-dimension code scanning device is damaged, the two-dimension code scanning device loses the two-dimension code.
Referring to fig. 4, a fourth flowchart of the two-dimensional code scanning method provided in the present application, after the step S51 of detecting the storage time of each two-dimensional code, the method includes:
s510: judging whether the storage time of a second two-dimensional code is less than the preset time or not, wherein the second two-dimensional code is contained in all the stored two-dimensional codes;
s511: and if the storage time of the second two-dimensional code is judged to be not less than the preset time, deleting the second two-dimensional code.
In the embodiment of the present invention, steps S510 and S52 are the same except that the step S determines whether the storage time of the second two-dimensional code is less than the preset time, and thus, the description is omitted. For example, whether the storage time of the second two-dimensional code is greater than a preset time is judged, wherein the second two-dimensional code is contained in all the stored two-dimensional codes, and the preset time is 24 hours. And if the storage time part of the two-dimensional code is less than 24 hours, deleting the second two-dimensional code. Through the operation, the two-dimensional code with the expiration period is prevented from occupying the storage space of the two-dimensional code scanning device. The two-dimensional code scanning device sequentially detects the two-dimensional codes from back to front according to the serial number sequence of the two-dimensional codes until the two-dimensional codes with the first storage time not less than the preset time are detected, other two-dimensional codes before the two-dimensional codes with the first storage time not less than the preset time are the two-dimensional codes to be deleted, the two-dimensional code scanning device stops detecting, the storage time of the two-dimensional codes to be deleted is automatically judged to be not less than the preset time, and then the two-dimensional code scanning device deletes the two-dimensional codes to be deleted. By the operation method, all the two-dimension codes which are out of date can be deleted in batches only through one-time judgment, the process is simple, and the working efficiency of the two-dimension code scanning device is improved.
Further, two-dimensional code scanning device and two-dimensional code decoder set up respectively in two equipment ends, read the two-dimensional code again and upload to the two-dimensional code decoder after step S5, include:
and S6, receiving the analysis data result after the two-dimensional code decoder decodes the two-dimensional code.
In the embodiment of the present invention, the device corresponding to the two-dimensional code decoder may be a background, a cloud, a server, and the like, and the two-dimensional code decoder is a decoding unit in the device. Taking the server as an example, the two-dimensional code scanning device reads the two-dimensional code again from the storage module space and sends the two-dimensional code to the server in a wireless transmission mode, the decoding module of the server analyzes the data of the two-dimensional code and sends the analyzed data back to the two-dimensional code scanning device in a wireless transmission mode, and a user can utilize the information stored in the two-dimensional code. For example, attendance on duty, the staff card of the staff has a personal two-dimensional code, the two-dimensional code scanning device scans to obtain the personal two-dimensional code, the personal two-dimensional code is transmitted to the server for analysis, an analysis data result is transmitted back to the two-dimensional code scanning device, the personal data result stored in the two-dimensional code scanning device is compared with the analysis data result, and if the comparison is correct, a horn arranged on the two-dimensional code scanning device can sound a prompt tone to prompt the staff to make a card successfully.
Referring to fig. 5, the present invention also provides a two-dimensional code scanning device, including:
and the starting module 1 is used for starting the working state of scanning the two-dimensional code.
In the embodiment of the invention, the working state of the two-dimension code scanning is started, and the two-dimension code scanning device starts to scan the current two-dimension code. The two-dimensional code scanning device comprises a scanning gun and other equipment. Taking the scanning gun as an example, the scanning gun firstly detects the illumination intensity of the current environment, if the illumination intensity of the current environment of the scanning gun is lower than the light intensity preset value, the light supplementing device arranged on the scanning gun is automatically started to supplement light so as to increase the illumination intensity of the current environment and meet the requirement of clearly scanning the two-dimensional code. And then controlling the scanning gun to automatically adjust the position of the scanning gun according to the positioning lamp, so that the scanning gun is just aligned to the two-dimensional code to be scanned for positioning scanning. The positioning lamp comprises an infrared lamp or a scanning profile consisting of a plurality of infrared lamps.
The first detection module 2 is configured to detect and determine whether the network state at the first time is in an abnormal state.
In the embodiment of the present invention, the abnormal state includes an abnormality corresponding to the signal connection state or an abnormality corresponding to the signal strength not meeting the requirement. The network status includes a mobile network status and a wireless network status. Therefore, the abnormal state of the network state includes that the two-dimensional code scanning device cannot be connected with the mobile network and cannot be connected with the wireless network, or the signal intensity of the mobile network and the signal intensity of the wireless network cannot meet the requirement of the two-dimensional code scanning device. Both of the above cases are the case where the network state is in an abnormal state.
And the storage module 3 is used for storing the two-dimensional code if the network state at the first moment is in an abnormal state.
In the embodiment of the present invention, if the mobile signal of the two-dimensional code scanning device at the first time is in an abnormal state and the wireless network signal of the two-dimensional code scanning device at the first time is in an abnormal state, it is determined that the network state of the two-dimensional code scanning device at the first time is in an abnormal state. The two-dimensional code scanning device is provided with a storage space for storing two-dimensional codes. The storage space may be a hard disk, a magnetic tape, an optical disk, a removable storage device, etc. When the network state at the first moment is in an abnormal state, the two-dimensional code scanning device generates instruction information for storing the current two-dimensional code, and the microprocessor transmits the instruction information to the storage space.
And the second detection module 4 is configured to detect and determine whether the network state at the second time is in an abnormal state.
In the embodiment of the present invention, except that the detection time is different, the other steps of the first detection module 2 and the second detection module 4 are the same, and therefore are not described again.
And the execution module 5 is used for reading the two-dimensional code again and uploading the two-dimensional code to the two-dimensional code decoder.
In the embodiment of the invention, the two-dimensional code decoder can be a cloud, a background, a server and the like. The two-dimensional code scanning device comprises a wireless transmission module, and the wireless transmission module is used for transmitting and receiving data with the two-dimensional code decoder. And when the mobile signal of the two-dimensional code scanning device at the second moment is in a normal state or the wireless network signal of the two-dimensional code scanning device at the second moment is in a normal state, judging that the network state of the two-dimensional code scanning device at the second moment is not in an abnormal state. When the two-dimensional code scanning device is not in an abnormal state, the two-dimensional code scanning device transmits the two-dimensional code to the two-dimensional code decoder through the wireless transmission module, and the two-dimensional code decoder analyzes data of the two-dimensional code. The two-dimensional code scanning device of this embodiment is only including having scanning and information transmission function, and the server of analytic two-dimensional code separately independently sets up in the equipment end of difference with two-dimensional code scanning device, and the server of analytic two-dimensional code realizes being correlated with two-dimensional code scanning device through signal connection, and two-dimensional code scanning device need not to undertake the work of decoding, can make two-dimensional code scanning device's volume littleer, and convenience of customers uses and carries.
Further, the present invention includes another embodiment. The first detection module 2 further comprises a first detection unit and a first control unit.
The first detection unit is used for detecting and judging whether the two-dimensional code scanning device has a communication signal or not;
the first control unit is used for judging that the two-dimensional code scanning device is in a first abnormal state if the two-dimensional code scanning device does not have the communication signal.
In the embodiment of the invention, the communication signals comprise mobile signals and wireless network signals. The two-dimensional code scanning device searches nearby base stations so as to judge whether a mobile signal exists or not; the two-dimensional code scanning device searches nearby wireless networks so as to judge whether wireless network signals exist or not. The two-dimensional code scanning device searches for the base station and the wireless network at the same time at the first moment, and if the two-dimensional code scanning device cannot search for the mobile signal at the first moment and cannot search for the wireless network signal at the first moment, the two-dimensional code scanning device at the first moment is judged to be in a first abnormal state.
Further, the present invention includes another embodiment. The first detection module 2 further comprises a second detection unit and a second control unit.
The second detection unit is used for detecting and judging whether the current signal intensity is in a signal preset interval or not if the two-dimensional code scanning device is provided with a communication signal;
and the second control unit is used for judging that the two-dimensional code scanning device is in a second abnormal state if the current signal intensity is not in the signal preset interval.
In the embodiment of the present invention, the signal preset interval includes a mobile signal preset interval and a wireless network signal preset interval. The range value of the mobile signal preset interval is 60-80dbm, the range value of the wireless network signal preset interval is-40-85 dbm, and the two-dimensional code scanning device can normally work in the signal preset interval. The two-dimensional code scanning device simultaneously detects the mobile signal intensity and the wireless network signal intensity at a first moment, and if the mobile signal intensity at the first moment is not within the range of 60-80dbm, the mobile network at the first moment of the two-dimensional code scanning device is in an abnormal state; if the signal intensity of the wireless network at the first moment is not-40 to-85 dbm, the wireless network at the first moment of the two-dimensional code scanning device is in an abnormal state; when the mobile network of the two-dimensional code scanning device at the first moment is in an abnormal state and the wireless of the two-dimensional code scanning device at the first moment is in an abnormal state, the network state of the two-dimensional code scanning device at the first moment is judged to be in a second abnormal state.
Fig. 6 is a schematic structural diagram of a two-dimensional code scanning apparatus according to a second embodiment of the present application. In the embodiment of the present invention, the two-dimensional code scanning device further includes a wireless network determining module 31, a wireless network connecting module 32, and a first control module 33.
A wireless network determining module 31, configured to determine whether a wireless network matching the two-dimensional code scanning device is found;
the wireless network connection module 32 is used for connecting a wireless network if the wireless network matched with the two-dimensional code scanning device is searched;
the first control module 33 is configured to generate instruction information for detecting again and determining whether the network state at the second time is in an abnormal state.
In the embodiment of the invention, the two-dimensional code scanning device searches for nearby wireless networks, wherein the wireless networks comprise WiFi, Bluetooth and the like. The two-dimensional code scanning device searches for the wireless network of the current environment, the wireless networks are sequentially ranked from strong to weak according to the strength of the wireless network, the wireless networks are matched one by one, and if the matching is successful, the wireless network is successfully connected. And then generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
Fig. 7 is a schematic structural diagram of a two-dimensional code scanning apparatus according to a third embodiment of the present application. The two-dimensional code scanning device further includes a mobile network determining module 310, a mobile network connecting module 311, an external antenna module 312, and a third control module 313.
A mobile network determining module 310, configured to determine whether a mobile network exists if a wireless network matching the two-dimensional code scanning device is not found;
a mobile network connection module 311, configured to determine whether to successfully connect to a mobile network if the mobile network exists;
the external antenna module 312 is configured to control to turn on an external antenna arranged on the two-dimensional code scanning device if the two-dimensional code scanning device cannot be successfully connected to the mobile network;
and the third control module 313 is configured to generate instruction information for detecting again and determining whether the network state at the second time is in an abnormal state.
In the embodiment of the invention, the two-dimension code scanning device can not be matched with the wireless network under two conditions, wherein the first condition is that the two-dimension code scanning device can not search the wireless network, and the second condition is that the two-dimension code scanning device can not search the wireless network but can not be matched with the wireless network. And if the two-dimension code scanning device cannot be matched with the wireless network, judging whether a mobile network exists in the current environment of the two-dimension code scanning device. And if the mobile network exists in the current environment, judging whether the two-dimensional code scanning device is successfully connected with the mobile network. And if the two-dimension code scanning device fails to be connected with the mobile network, the signal intensity of the current mobile network is not enough to support normal network connection, and the external antenna arranged on the two-dimension code scanning device is controlled to be started. The external antenna enables the two-dimensional code scanning device to receive signals of farther base stations, so that the range of the two-dimensional code scanning device for receiving mobile signals is expanded; or the signal intensity of the two-dimensional code scanning device received by the current base station is enhanced, and the external antenna is not interfered by an internal circuit of the two-dimensional code scanning device, so that the mobile signal of the two-dimensional code scanning device is enhanced. And finally, generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state by the two-dimensional code scanning device.
Further, the present invention includes another embodiment. The execution module 5 further comprises a third detection unit, a first time judgment unit and a transmission unit.
The third detection unit is used for detecting the storage time of each two-dimensional code;
the first time judgment unit is used for judging whether the storage time of the first two-dimensional code is less than the preset time or not, wherein the first two-dimensional code is contained in all the two-dimensional codes;
and the transmission unit is used for uploading the first two-dimensional code to the two-dimensional code decoder if the storage time of the first two-dimensional code is judged to be less than the preset time.
Wherein the third detection unit includes: the coding subunit is used for numbering the two-dimensional codes stored in the storage space of the two-dimensional code scanning device according to the stored sequence; the sorting subunit forms a corresponding two-dimension code number list according to each two-dimension code number; and the timing subunit records the time when each two-dimension code is stored in the storage space of the two-dimension code scanning device and the time when each two-dimension code is read again by the two-dimension code scanning device, and finally calculates the time difference between the time when each two-dimension code is stored in the storage space of the two-dimension code scanning device and the time when each two-dimension code is read again by the two-dimension code scanning device.
In the embodiment of the invention, all the two-dimensional codes are stored in the storage space of the two-dimensional code scanning device. The two-dimensional codes have corresponding numbers according to the sequence of storing the two-dimensional codes into the storage space of the two-dimensional code scanning device, for example, the number of the first two-dimensional code stored into the storage space is 1, the number of the second two-dimensional code stored into the storage space is 2, and so on. The two-dimensional code scanning device detects the storage time of the two-dimensional codes one by one according to the serial number sequence, the moment when each two-dimensional code is stored in the storage space is recorded as the initial time, the moment when each two-dimensional code is read again is recorded as the cut-off time, and the difference value between the cut-off time and the initial time of each two-dimensional code is the storage time of the two-dimensional code. For example, it is determined whether the storage time of the first two-dimensional code is longer than a preset time, where the first two-dimensional code is included in all the stored two-dimensional codes, and the preset time is 24 hours. And if the storage time of the two-dimensional code is less than 24 hours, uploading the first two-dimensional code to a two-dimensional decoder. Through the operation, the two-dimension code with the storage time less than the preset time is stored in the server, and when the storage space of the two-dimension code scanning device is damaged, the two-dimension code scanning device loses the two-dimension code.
Further, the present invention includes another embodiment. The execution module 5 further includes a second time judgment unit and a deletion unit.
The second time judging unit is used for judging whether the storage time of the second two-dimensional code is less than the preset time or not, wherein the second two-dimensional code is contained in all the two-dimensional codes;
and the deleting unit is used for deleting the second two-dimensional code if the storage time of the second two-dimensional code is judged to be not less than the preset time.
In the embodiment of the present invention, steps S510 and S52 are the same except that the step S determines whether the storage time of the second two-dimensional code is less than the preset time, and thus, the description is omitted. For example, whether the storage time of the second two-dimensional code is greater than a preset time is judged, wherein the second two-dimensional code is contained in all the stored two-dimensional codes, and the preset time is 24 hours. And if the storage time part of the two-dimensional code is less than 24 hours, deleting the second two-dimensional code. Through the operation, the two-dimensional code with the expiration period is prevented from occupying the storage space of the two-dimensional code scanning device. The two-dimensional code scanning device sequentially detects the two-dimensional codes from back to front according to the serial number sequence of the two-dimensional codes until the two-dimensional codes with the first storage time not less than the preset time are detected, other two-dimensional codes before the two-dimensional codes with the first storage time not less than the preset time are the two-dimensional codes to be deleted, the two-dimensional code scanning device stops detecting, the storage time of the two-dimensional codes to be deleted is automatically judged to be not less than the preset time, and then the two-dimensional code scanning device deletes the two-dimensional codes to be deleted. By the operation method, all the two-dimension codes which are out of date can be deleted in batches only through one-time judgment, the process is simple, and the working efficiency of the two-dimension code scanning device is improved.
Further, the present invention includes another embodiment. In the embodiment of the invention, the two-dimensional code scanning device further comprises a receiving module.
And the receiving module is used for receiving the analysis data result after the two-dimensional code decoder decodes the two-dimensional code.
In the embodiment of the present invention, the device corresponding to the two-dimensional code decoder may be a background, a cloud, a server, and the like, and the two-dimensional code decoder is a decoding unit in the device. Taking the server as an example, the two-dimensional code scanning device reads the two-dimensional code again from the storage module space and sends the two-dimensional code to the server in a wireless transmission mode, the decoding module of the server analyzes the data of the two-dimensional code and sends the analyzed data back to the two-dimensional code scanning device in a wireless transmission mode, and a user can utilize the information stored in the two-dimensional code. For example, attendance on duty, the staff card of the staff has a personal two-dimensional code, the two-dimensional code scanning device scans to obtain the personal two-dimensional code, the personal two-dimensional code is transmitted to the server for analysis, an analysis data result is transmitted back to the two-dimensional code scanning device, the personal data result stored in the two-dimensional code scanning device is compared with the analysis data result, and if the comparison is correct, a horn arranged on the two-dimensional code scanning device can sound a prompt tone to prompt the staff to make a card successfully.
Referring to fig. 8, the present application further provides a storage medium 100, in which a computer program 200 is stored in the storage medium 100, and when the computer program runs on a computer, the computer is caused to execute the method for scanning a two-dimensional code described in the above embodiments.
Referring to fig. 9, the present application further provides a computer device 300 containing instructions, which when run on the computer device 300, causes the computer device 300 to execute the method of two-dimensional code scanning described in the above embodiments by the processor 400 disposed inside the computer device 300.
Those skilled in the art will appreciate that the two-dimensional code scanning device of the present invention and the devices referred to above are used to perform one or more of the methods described in the present application. These devices may be specially designed and manufactured for the required purposes, or they may comprise known devices in general-purpose computers. These devices have stored therein computer programs or applications that are selectively activated or reconfigured. Such a computer program may be stored in a device (e.g., computer) readable medium, including, but not limited to, any type of disk including floppy disks, hard disks, optical disks, CD-ROMs, and magnetic-optical disks, ROMs (Read-Only memories), RAMs (Random Access memories), EPROMs (Erasable Programmable Read-Only memories), EEPROMs (Electrically Erasable Programmable Read-Only memories), flash memories, magnetic cards, or optical cards, or any type of media suitable for storing electronic instructions, and each coupled to a bus. That is, a readable medium includes any medium that stores or transmits information in a form readable by a device (e.g., a computer).
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (9)

1. A method for scanning two-dimensional codes is characterized by comprising the following steps:
starting a working state of scanning the two-dimensional code;
detecting and judging whether the network state at the first moment is in an abnormal state;
if yes, storing the two-dimension code;
detecting and judging whether the network state at the second moment is in an abnormal state again;
if not, reading the two-dimensional code again and uploading the two-dimensional code to a two-dimensional code decoder; the method specifically comprises the following steps:
detecting the storage time of each two-dimensional code, wherein each two-dimensional code comprises all stored two-dimensional codes; the storage time is the difference value between the moment when each two-dimensional code is stored in the storage space and the moment when the two-dimensional code is read again;
judging whether the storage time of a first two-dimensional code is less than a preset time or not, wherein the first two-dimensional code is contained in all the stored two-dimensional codes;
and if the storage time of the first two-dimensional code is judged to be less than the preset time, uploading the first two-dimensional code to a two-dimensional code decoder.
2. The method of claim 1, wherein the step of detecting and determining whether the network status at the first time is in an abnormal status comprises:
detecting and judging whether the two-dimensional code scanning device has a communication signal or not;
if not, the two-dimensional code scanning device is judged to be in a first network abnormal state.
3. The method of claim 2, wherein the step of detecting and determining whether the two-dimensional code scanning device has a communication signal is followed by the steps of:
if the two-dimensional code scanning device is provided with a communication signal, detecting and judging whether the current signal intensity is in a signal preset interval or not;
if not, the two-dimensional code scanning device is judged to be in a second network abnormal state.
4. The method of claim 2, wherein the communication signal comprises a wireless network signal corresponding to a wireless network, and after the step of storing the two-dimensional code, the method comprises:
judging whether a wireless network matched with the two-dimensional code scanning device can be searched;
if so, connecting a wireless network matched with the two-dimensional code scanning device;
and generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
5. The method according to claim 4, wherein the communication signal includes a mobile signal corresponding to a mobile network, and the step of determining whether a wireless network matching the two-dimensional code scanning device can be found comprises:
if a wireless network matched with the two-dimensional code scanning device is not searched, judging whether the mobile network exists or not;
if the mobile network exists, judging whether the mobile network can be successfully connected or not;
if not, an external antenna arranged on the two-dimensional code scanning device is started;
and generating instruction information for detecting again and judging whether the network state at the second moment is in an abnormal state.
6. The method of claim 1, wherein the step of detecting the storage time of each two-dimensional code is followed by the steps of:
judging whether the storage time of a second two-dimensional code is less than the preset time or not, wherein the second two-dimensional code is contained in all the stored two-dimensional codes;
and if the storage time of the second two-dimensional code is judged to be not less than the preset time, deleting the second two-dimensional code.
7. A two-dimensional code scanning device, characterized by comprising:
the starting module is used for starting the working state of scanning the two-dimensional code;
the first detection module is used for detecting and judging whether the network state at the first moment is in an abnormal state;
the storage module is used for storing the two-dimensional code if the network state at the first moment is in an abnormal state;
the second detection module is used for detecting and judging whether the network state at the second moment is in an abnormal state;
the execution module is used for re-reading the two-dimensional code and uploading the two-dimensional code to the two-dimensional code decoder; the method specifically comprises the following steps:
the third detection unit is used for detecting the storage time of each two-dimensional code, wherein each two-dimensional code comprises all stored two-dimensional codes; the storage time is the difference value between the moment when each two-dimensional code is stored in the storage space and the moment when the two-dimensional code is read again;
the first time judgment unit is used for judging whether the storage time of a first two-dimensional code is less than preset time or not, wherein the first two-dimensional code is contained in all the stored two-dimensional codes;
and the transmission unit is used for uploading the first two-dimensional code to a two-dimensional code decoder if the storage time of the first two-dimensional code is judged to be less than the preset time.
8. A storage medium, which is a computer-readable storage medium, on which a computer program is stored, which, when executed, implements the method of two-dimensional code scanning according to any one of claims 1 to 6.
9. Computer device, comprising a processor, a memory and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the computer program, implements the method of two-dimensional code scanning according to any one of claims 1 to 6.
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