CN103532564A - Two-dimensional code data encoding method, decoding method, system and intelligent device - Google Patents
Two-dimensional code data encoding method, decoding method, system and intelligent device Download PDFInfo
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- CN103532564A CN103532564A CN201310201052.0A CN201310201052A CN103532564A CN 103532564 A CN103532564 A CN 103532564A CN 201310201052 A CN201310201052 A CN 201310201052A CN 103532564 A CN103532564 A CN 103532564A
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Abstract
The invention discloses a two-dimensional code data encoding method, a decoding method, a system and an intelligent device. The encoding method comprises the steps: two-dimensional code data is simplified, a json object is converted into a js object, and the js object is simplified into a character string; and the simplified character string is encoded into a two-dimensional image and then stored. The two-dimensional image is small in occupied capacity, low in error rate and high in processing efficiency. Besides, a server is not needed to transfer.
Description
Technical field
The present invention relates to technical field of data processing, relate in particular to a kind of coding method, coding/decoding method, system and smart machine of Quick Response Code data.
Background technology
At present, at smart machine, for example there have been the application of a lot of Quick Response Codes, such as " mobile phone two-dimension code business card ", " snap Quick Response Code ", " micro-letter " etc. on Android mobile phone; Wherein, in Quick Response Code business card, brought into use the form of key-value pair, each information of contact person is a key-value pair, for example " name: Sun Yanzi; "; " name " is wherein key assignments; the content that " Sun Yanzi " is key assignments; but in the form of this key-value pair; each key assignments is unified corresponding on contact person's interface of Android not; such as key assignments " name " does not correspond in contact person's name item, when the information that causes the Quick Response Code business card to decode stores in cell phone address book, occur Asymmetry information should or the situation such as information dropout; In the Quick Response Code application of similar " micro-letter ", it joins a network address for each user, this network address is compiled to the form of Quick Response Code business card, when enabling micro-letter and " sweep and sweep " function, micro-letter automatically links to network address, new user add to micro-letter address list and be saved on server and cell-phone customer terminal, so micro-letter is mainly to realize the preservation of associated person information by server, must be carried out to transfer by server.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of coding method, coding/decoding method, system and smart machine of Quick Response Code data, the data processing method accuracy rate that is intended to solve existing Quick Response Code data is low, treatment effeciency is lower, need to be by the problem of transit server.
Technical scheme of the present invention is as follows:
A coding method for Quick Response Code data, wherein, comprises step:
A, Quick Response Code data reduction is treated to json object, json object is converted to js object, js object is reduced to character string;
B, by the string encoding after simplifying, be two-dimension code image and preserve.
The coding method of described Quick Response Code data, wherein, when associated person information is encoded, described steps A specifically comprises:
A1, from contact application, read associated person information, json object is converted into js object;
A2, by intermediate variable is set, by js object factory, be single category information;
A3, will form the character string structure of associated person information for representing that each intermediate variable of single category information couples together.
The coding method of described Quick Response Code data, wherein, described character string is continuous character string.
A coding/decoding method for Quick Response Code data, wherein, comprises step:
STA, two-dimension code image is decoded, two-dimension code image is decoded as to character string;
STB, character string is carried out to conversion processing character string is converted into js object, the js object obtaining is converted to json object and obtains the Quick Response Code data in two-dimension code image.
The coding/decoding method of described Quick Response Code data, wherein, when the two-dimension code image of associated person information is decoded, described step STB specifically comprises:
STB1, character string parsing is become to js object;
STB2, js object is converted into json object;
STB3, described json object transfer to contact application is used.
A coded system for Quick Response Code data, wherein, comprising:
Simplify processing module, for Quick Response Code data reduction is treated to json object, json object is converted to js object, js object is reduced to character string;
Quick Response Code coding module, the string encoding after just simplifying is two-dimension code image and preserves.
The coded system of described Quick Response Code data, wherein, described simplification processing module specifically comprises:
Conversion unit, for reading associated person information from contact application, is converted into js object by json object;
Intermediate variable setting unit, for being single category information by intermediate variable is set by js object factory;
Variable linkage unit, will form the character string structure of associated person information for representing that each intermediate variable of single category information couples together.
A decode system for Quick Response Code data, wherein, comprising:
Quick Response Code decoder module, for two-dimension code image is decoded, is decoded as character string by two-dimension code image;
Recovery module, is converted into js object for character string is carried out to conversion processing by character string, the js object obtaining is converted to json object and obtains the Quick Response Code data in two-dimension code image.
The decode system of described Quick Response Code data, wherein, described recovery module specifically comprises:
Resolution unit, for by character string parsing js object;
Reduction unit, for being converted into json object by js object;
Transfer unit, for being used described json object transfer to contact application.
, wherein, comprise coded system as above and/or decode system as above.
Beneficial effect: the present invention first simplifies Quick Response Code data and is treated to character string, then by string encoding, be two-dimension code image, during for scanning later, the present invention is directed to the data that some information categories that comprise such as business card etc. are many, contain much information, the information that application layer need be encoded is integrated into character string, and the capacity that the two-dimension code image after coding is taken is little, and because character string structured coding is all very simple with decoding, so error rate is low, treatment effeciency is high, and without transit server.
Accompanying drawing explanation
Fig. 1 is the flow chart of the coding method preferred embodiment of Quick Response Code data of the present invention.
Fig. 2 is the particular flow sheet of step S101 in method shown in Fig. 1.
Fig. 3 is the flow chart of the coding/decoding method preferred embodiment of Quick Response Code data of the present invention.
Fig. 4 is the particular flow sheet of step S104 in method shown in Fig. 3.
Fig. 5 is the structured flowchart of the coded system preferred embodiment of Quick Response Code data of the present invention.
Fig. 6 is the concrete structure block diagram of simplifying processing module in system shown in Figure 5.
Fig. 7 is the structured flowchart of the decode system preferred embodiment of Quick Response Code data of the present invention.
Fig. 8 is the concrete structure block diagram of recovery module in system shown in Figure 7.
Embodiment
The invention provides a kind of coding method, coding/decoding method, system and smart machine of Quick Response Code data, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the flow chart of the coding method preferred embodiment of a kind of Quick Response Code data of the present invention, comprises step:
S101, Quick Response Code data reduction is treated to json object, json object is converted to js object, js object is reduced to character string;
S102, by the string encoding after simplifying, be two-dimension code image and preserve.
The Quick Response Code data of take describe as associated person information as example, first obtain associated person information, the associated person information specifically obtaining from contact application, in the smart machine of similar html5 mobile phone, associated person information is json object, illustrate, the associated person information that contact people is Sun Yanzi is:
Var=" ": " swallow appearance ", " familyName ": " grandson ", " org ": " null ",
" emails ": { " value ": " sun@tcl.com ", " type ": " " }, " adr ": { " type ": " ", " streetAddress ": 50 numbers, " East Street, Xi'an 12 No. 8 ", " postalCode ": " ", " locality ": " ", " countryName ": " " } }.
The Quick Response Code business card that coding is obtained is stored in smart machine, adds contact person use in needs by scanning.
Than coding method of the prior art, coding method of the present invention is owing to having converted json object to js object, and further simplification for character string, thereby has reduced the error rate, has reduced error rate, has also reduced the spent time of encoding.
For the such json object of jsonTxt, it cannot direct coding become two-dimension code image, needs first to simplifying processing, and specifically, as shown in Figure 2, step S101 comprises step:
S201, from contact application, read associated person information, json object is converted into js object;
S202, by intermediate variable is set, by js object factory, be single category information;
S203, will form the character string structure of associated person information for representing that each intermediate variable of single category information couples together.
When json object is converted into js object, in order to reduce the error rate, should remove space as far as possible, and reduce unnecessary spcial character, the last two-dimension code image generating is easily identified.
After being converted into js object, by intermediate variable is set, js object is described, for example, for above-mentioned contact person Sun Yan appearance, intermediate variable can be set be:
Var xing_f=(jsonTxt.familyName==" null ") " ": " xing: "; // single layer structure body, is initially " null "
var xing = (jsonTxt.familyName == "null") "" : jsonTxt.familyName;
var xing_b = (jsonTxt.familyName == "null") "" : ";";
Single category information that above-mentioned intermediate variable is described comprises content and a branch of a key assignments " xing ", correspondence, when variable xing_f is wherein illustrated in decoding, if have familyName this, a key assignments xing is described so:, variable xing is for depositing the content of concrete familyName, judgement based on same simultaneously adds xing_b, represents to add a branch.If judgement familyName is empty, these three are sky so.
In above-mentioned familyName structure, only have one deck structure, there is no minor structure body; If " tel ": { " value ": " 987654321 ", " type ": " ", " carrier ": " " }, similar this in structure the form of nested minor structure body, intermediate variable is set as follows:
Var tel_f=(jsonTxt.tel.value==" ") " ": " tel: "; The minor structure body of // structure, is initially " "
var tel = jsonTxt.tel.value;
var tel_b = (jsonTxt.tel.value == "") "" : ";";
Var tel_f=(jsonTxt.tel.value==" ") " ": " tel: "; The minor structure body of // structure, is initially " "
var tel = jsonTxt.tel.value;
var tel_b = (jsonTxt.tel.value == "") "" : ";";
var teltype_f = (jsonTxt.tel.type == "") "" : "teltype:";
var teltype = jsonTxt.tel.type;
var teltype_b = (jsonTxt.tel.type == "") "" : ";";
var telcarrier_f = (jsonTxt.tel.carrier == "") "" : "telcarrier:";
var telcarrier = jsonTxt.tel.carrier;
var telcarrier_b = (jsonTxt.tel.carrier == "") "" : ";";
Finally these intermediate variables are coupled together and form continuous intermediate variable, for example:
Var toStr=xing_f+xing+xing_b+tel_f+tel+tel_b; Like this, just by the such json object of jsonTxt, be converted into the such character string that is easily written as two-dimension code image of str.
Illustrate, character string is as follows: var str=" ming: swallow appearance; Xing: grandson; Tel:12345678901; Emails:sun@tcl.com; AdrstreetAddress: No. 8,12 of No. 50, East Streets; Adrlocality: Xi'an; ";
Wherein str is the character string defining in js, and this character string will be weaved into two-dimension code image by Quick Response Code coding module.In above-mentioned character string, each category information comprise a key assignments (for example: ming) and corresponding content (for example: swallow appearance), between key assignments and content with colon; Between each category information, use branch interval; There is a branch at the end of whole character string, thereby forms continuous character string.
Embodiment is corresponding with coding method, and the embodiment of the present invention also provides a kind of coding/decoding method of Quick Response Code data, and as shown in Figure 3, it comprises step:
S301, two-dimension code image is decoded, two-dimension code image is decoded as to character string;
S302, character string is carried out to conversion processing is js object, the js object obtaining is converted to json object and obtains the Quick Response Code data in two-dimension code image.
Take associated person information as example, first two-dimension code image is decoded, parse the character string of similar aforesaid str, then character string is converted into js object, finally js object is converted to json object, conveniently between application, transmit data.By above-mentioned coding/decoding method, the present invention has greatly reduced the error rate, and the Quick Response Code data especially large for information content, kind is many, have obviously reduced error rate, and reduced the spent time of decoding, and have simplified decoding step.
As shown in Figure 4, step S302 can specifically be refined as following steps:
S401, by character string parsing, be js object;
S402, js object is converted into json object;
S403, described json object transfer to contact application is used.
The formation of said process and character string is inverse process, is first that character string is resolved, and is extracted into js object, is about to the information that json object extraction becomes single class, and example is as follows:
var contactDetails = {
givenName : "null",
familyName : "null",
org : "null",
tel : {'value':'', 'type':'', 'carrier':''},
emails : {'value':'', 'type':''},
adr: {'type':'','streetAddress':'', 'postalCode':'','locality':'','countryName':''}
};
The concrete mode of extracting is by character string is carried out to retrieval successively, and the information of retrieval is listed, and example is as follows:
var count = 0,font_num,semi;
Font_num=str.indexOf (" ming "); If there is ming in // str
if(font_num>=0){
Count +=5; //ming+; Length be 5,
Semi=str.indexOf ("; "); //; Index value
ContactDetails.givenName=str.substring (count, semi); The content of // key assignments ming
alert(contactDetails.givenName);
}
Font_num=str.indexOf (" "); The index value of x in //xing
if(font_num>=0){
Count=semi+6; //; + xing+: length be 6,
Semi=str.indexOf ("; ", count); // from count, first finding; Index value
ContactDetails.familyName=str.substring (count, semi); The content of // key assignments xing
}
Mode by var jsonText=JSON.stringify (contactDetails) is converted into the such json object of jsonText by js object (being about to the unification of js object corresponds on contact person's interface again, the present invention adopts js(javascript script) language design, can specifically be applied in B2G system, but it should be noted that, the present invention can be applied in Android system equally, be applied in the Quick Response Code application of Android system), because the data transmission between application is all undertaken by json object, so Quick Response Code business card is converted to after the such json object of jsonText, just can be directly passed to contact application, overcome the key-value pair that in prior art, decoding generates and cannot correspond to the defect on contact person's interface, strengthened the stability that contact person preserves.
The present invention not only can be applied in the field that associated person information is converted to two-dimension code image, the operating process of the relevant Quick Response Code that can also apply for various web, especially in the situation that the packets of information of needs coding is larger containing polytype, information content, the present invention can very conveniently carry out combination with Quick Response Code coding/decoding module, and transfer of data is carried out in convenient and web application.In addition, if Quick Response Code coding/decoding module is embedded in other smart machines, for example be embedded in intelligent refrigerator, intelligent refrigerator just can scan the Quick Response Code data that are stored in article in refrigerator, thereby reach the object of the Quick Response Code data of shared and transporting articles, and the information category of Quick Response Code data situations many, that contain much information also can be suitable for, such as the Quick Response Code data of article in refrigerator, may comprise date of manufacture, shelf-life, product classification, refrigerated storage temperature, collocation occupation mode etc.
The present invention, according to the Interface design key assignments of associated person information storage, makes the transmission precise and high efficiency of information between application layer and the functional layer of responsible Code And Decode.Between simultaneously web application, transmit the information that these two-dimension code image comprise also convenient, especially for Quick Response Code business card etc., need to store the situation of complex type data, the more aobvious advantage of the present invention.
Based on said method, the present invention also provides a kind of coded system of Quick Response Code data, and as shown in Figure 5, it comprises:
Simplify processing module 100, for Quick Response Code data reduction is treated to json object, json object is converted to js object, and js object is reduced to character string;
Quick Response Code coding module 200, the string encoding after just simplifying is two-dimension code image and preserves.
Further, as shown in Figure 6, described simplification processing module 100 specifically comprises:
Conversion unit 110, for reading associated person information from contact application, is converted into js object by json object;
Intermediate variable setting unit 120, for being single category information by intermediate variable is set by js object factory;
Variable linkage unit 130, will form the character string structure of associated person information for representing that each intermediate variable of single category information couples together.
The present invention also provides a kind of decode system of Quick Response Code data, and as shown in Figure 7, it comprises:
Quick Response Code decoder module 300, for two-dimension code image is decoded, is decoded as character string by two-dimension code image;
Further, as shown in Figure 8, described recovery module 400 specifically comprises:
The present invention also provides a kind of smart machine, and it comprises described coded system and/or decode system.This smart machine can be mobile phone, panel computer, intelligent television, intelligent refrigerator etc. equipment.
In sum, the present invention first simplifies Quick Response Code data and is treated to character string, then by string encoding, be two-dimension code image, during for later scanning, the present invention is directed to the data that some information categories that comprise such as business card etc. are many, contain much information, the information that application layer need be encoded is integrated into character string, the capacity that Quick Response Code business card after coding is taken is little, and because the decoding of character string structured coding is all very simple, so error rate is low, treatment effeciency is high, and without transit server.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a coding method for Quick Response Code data, is characterized in that, comprises step:
A, Quick Response Code data reduction is treated to json object, json object is converted to js object, js object is reduced to character string;
B, by the string encoding after simplifying, be two-dimension code image and preserve.
2. the coding method of Quick Response Code data according to claim 1, is characterized in that, when associated person information is encoded, described steps A specifically comprises:
A1, from contact application, read associated person information, json object is converted into js object;
A2, by intermediate variable is set, by js object factory, be single category information;
A3, will form the character string structure of associated person information for representing that each intermediate variable of single category information couples together.
3. the coding method of Quick Response Code data according to claim 1, is characterized in that, described character string is continuous character string.
4. a coding/decoding method for Quick Response Code data, is characterized in that, comprises step:
STA, two-dimension code image is decoded, two-dimension code image is decoded as to character string;
STB, character string is carried out to conversion processing character string is converted into js object, the js object obtaining is converted to json object and obtains the Quick Response Code data in two-dimension code image.
5. the coding/decoding method of Quick Response Code data according to claim 4, is characterized in that, when the two-dimension code image of associated person information is decoded, described step STB specifically comprises:
STB1, character string parsing is become to js object;
STB2, js object is converted into json object;
STB3, described json object transfer to contact application is used.
6. a coded system for Quick Response Code data, is characterized in that, comprising:
Simplify processing module, for Quick Response Code data reduction is treated to json object, json object is converted to js object, js object is reduced to character string;
Quick Response Code coding module, the string encoding after just simplifying is two-dimension code image and preserves.
7. the coded system of Quick Response Code data according to claim 6, is characterized in that, described simplification processing module specifically comprises:
Conversion unit, for reading associated person information from contact application, is converted into js object by json object;
Intermediate variable setting unit, for being single category information by intermediate variable is set by js object factory;
Variable linkage unit, will form the character string structure of associated person information for representing that each intermediate variable of single category information couples together.
8. a decode system for Quick Response Code data, is characterized in that, comprising:
Quick Response Code decoder module, for two-dimension code image is decoded, is decoded as character string by two-dimension code image;
Recovery module, is converted into js object for character string is carried out to conversion processing by character string, the js object obtaining is converted to json object and obtains the Quick Response Code data in two-dimension code image.
9. the decode system of Quick Response Code data according to claim 8, is characterized in that, described recovery module specifically comprises:
Resolution unit, for by character string parsing js object;
Reduction unit, for being converted into json object by js object;
Transfer unit, for being used described json object transfer to contact application.
10. a smart machine, is characterized in that, comprises coded system as claimed in claim 6 and/or decode system as claimed in claim 8.
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| US20150006607A1 (en) * | 2013-06-27 | 2015-01-01 | Tencent Technology (Shenzhen) Company Limited | Method, mobile terminal and system for displaying picture based on wireless network, and storage medium |
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| CN108632339A (en) * | 2018-03-02 | 2018-10-09 | 福建榕基软件工程有限公司 | A kind of method and system of dynamic select server |
| CN109472833A (en) * | 2018-10-16 | 2019-03-15 | 深圳壹账通智能科技有限公司 | A kind of method, storage medium and server extracting picture from journal file |
| CN109685948A (en) * | 2018-12-13 | 2019-04-26 | 深圳市万物联有限公司 | One kind being based on mobile device dynamic two-dimension code visitor's method |
| CN109902242A (en) * | 2019-02-28 | 2019-06-18 | 尤尼泰克(嘉兴)信息技术有限公司 | A kind of picture storage method in two dimensional code |
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