Encoding method and decoding method, encoding system and decoding system for circular two-dimensional bar code, computer device and computer-readable storage medium

An encoding system for a circular two-dimensional bar code, comprising:

• a conversion module, configured to convert data to be encoded into binary data;
• a first determining module, configured to determine a two-dimensional bar code version of a two-dimensional bar code to be generated, wherein the two-dimensional bar code to be generated comprises a plurality of rings corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• a second determining module, configured to determine a plurality of valid data bits of the plurality of rings according to the two-dimensional bar code version;
• a division module, configured to divide the plurality of valid data bits into a plurality of data segments, wherein the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to encode metadata, and the content data segment is used to encode the binary data;
• and
• a generation module, configured to generate corresponding code element patterns at the plurality of valid data bits according to the metadata and the binary data, so as to obtain the circular two-dimensional bar code.

A decoding method for a circular two-dimensional bar code, comprising:

• obtaining a circular two-dimensional bar code, wherein the circular two-dimensional bar code comprises a plurality of rings, the plurality of rings are corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• determining a plurality of valid data bits of the plurality of rings according to a two-dimensional bar code version of the circular two-dimensional bar code, wherein the plurality of valid data bits are divided into a plurality of data segments, the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to store metadata, and the content data segment is used to store binary data;
• and
• obtaining binary data of the circular two-dimensional bar code according to a plurality of valid code element patterns corresponding to the plurality of valid data bits.

A decoding system for a circular two-dimensional bar code, comprising:

• a first obtaining module, configured to obtain a circular two-dimensional bar code, wherein the circular two-dimensional bar code comprises a plurality of rings, the plurality of rings are corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• a determining module, configured to determine a plurality of valid data bits of the plurality of rings according to a two-dimensional bar code version of the circular two-dimensional bar code, wherein the plurality of valid data bits are divided into a plurality of data segments, the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to store metadata, and the content data segment is used to store binary data;
• and
• a second obtaining module, configured to obtain binary data of the circular two-dimensional bar code according to a plurality of valid code element patterns corresponding to the plurality of valid data bits.

A computer device, comprising a memory, a processor, and computer-readable instructions that are stored in the memory and that are capable of running on the processor, wherein when executing the computer-readable instructions, the processor implements:

• steps:
• converting data to be encoded into binary data;
• determining a two-dimensional bar code version of a two-dimensional bar code to be generated, wherein the two-dimensional bar code to be generated comprises a plurality of rings corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• determining a plurality of valid data bits of the plurality of rings according to the two-dimensional bar code version;
• dividing the plurality of valid data bits into a plurality of data segments, wherein the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to encode metadata, and the content data segment is used to encode the binary data;
• and
• generating corresponding code element patterns at the plurality of valid data bits according to the metadata and the binary data, so as to obtain the circular two-dimensional bar code;
• and/or steps:
• obtaining a circular two-dimensional bar code, wherein the circular two-dimensional bar code comprises a plurality of rings, the plurality of rings are corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• determining a plurality of valid data bits of the plurality of rings according to a two-dimensional bar code version of the circular two-dimensional bar code, wherein the plurality of valid data bits are divided into a plurality of data segments, the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to store metadata, and the content data segment is used to store binary data;
• and
• obtaining binary data of the circular two-dimensional bar code according to a plurality of valid code element patterns corresponding to the plurality of valid data bits.

A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores computer-readable instructions, and the computer-readable instructions are capable of being executed by at least one processor to enable the at least one processor to perform:

• steps:
• converting data to be encoded into binary data;
• determining a two-dimensional bar code version of a two-dimensional bar code to be generated, wherein the two-dimensional bar code to be generated comprises a plurality of rings corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• determining a plurality of valid data bits of the plurality of rings according to the two-dimensional bar code version;
• dividing the plurality of valid data bits into a plurality of data segments, wherein the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to encode metadata, and the content data segment is used to encode the binary data;
• and
• generating corresponding code element patterns at the plurality of valid data bits according to the metadata and the binary data, so as to obtain the circular two-dimensional bar code;
• and/or steps:
• obtaining a circular two-dimensional bar code, wherein the circular two-dimensional bar code comprises a plurality of rings, the plurality of rings are corresponding to a same center, and each ring is corresponding to a plurality of data bits;
• determining a plurality of valid data bits of the plurality of rings according to a two-dimensional bar code version of the circular two-dimensional bar code, wherein the plurality of valid data bits are divided into a plurality of data segments, the plurality of data segments comprise a reserved field and a content data segment, the reserved field is used to store metadata, and the content data segment is used to store binary data;
• and
• obtaining binary data of the circular two-dimensional bar code according to a plurality of valid code element patterns corresponding to the plurality of valid data bits.