JS生成二维码
JS生成二维码实例：
<!DOCTYPEhtml><html><head><title>JS二维码生成</title><metacharset="utf-8"/><scriptsrc="js/qrcode.js"></script><style>#qrcode{text-align:center;display:table-cell;width:96px;height:96px;vertical-align:middle;position:relative;}</style></head><body><divid="qrcode"></div><br/><inputtype="text"id="getval"/><buttonid="send">点击更换验证码</button><script>window.onload=function(){varqrcode=newQRCode(document.getElementById("qrcode"),{width:96,//设置宽高height:96});qrcode.makeCode("http://www.baidu.com");document.getElementById("send").onclick=function(){qrcode.makeCode(document.getElementById("getval").value);}}</script></body></html>
qrcode.js
/*fromtccdnminifyat2014-6-414:59:43,file:/cn/c/c/qrcode.js*//***@fileoverview*-Usingthe'QRCodeforJavascriptlibrary'*-Fixeddatasetof'QRCodeforJavascriptlibrary'forsupportfull-spec.*-thislibraryhasnodependencies.**@authordavidshimjs*@see<ahref="http://www.d-project.com/"target="_blank">http://www.d-project.com/</a>*@see<ahref="http://jeromeetienne.github.com/jquery-qrcode/"target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>*/varQRCode;(function(){//---------------------------------------------------------------------//QRCodeforJavaScript////Copyright(c)2009KazuhikoArase////URL:http://www.d-project.com/////LicensedundertheMITlicense://http://www.opensource.org/licenses/mit-license.php////Theword"QRCode"isregisteredtrademarkof//DENSOWAVEINCORPORATED//http://www.denso-wave.com/qrcode/faqpatent-e.html////---------------------------------------------------------------------functionQR8bitByte(data){this.mode=QRMode.MODE_8BIT_BYTE;this.data=data;this.parsedData=[];//AddedtosupportUTF-8Charactersfor(vari=0,l=this.data.length;i<l;i++){varbyteArray=[];varcode=this.data.charCodeAt(i);if(code>0x10000){byteArray[0]=0xF0|((code&0x1C0000)>>>18);byteArray[1]=0x80|((code&0x3F000)>>>12);byteArray[2]=0x80|((code&0xFC0)>>>6);byteArray[3]=0x80|(code&0x3F);}elseif(code>0x800){byteArray[0]=0xE0|((code&0xF000)>>>12);byteArray[1]=0x80|((code&0xFC0)>>>6);byteArray[2]=0x80|(code&0x3F);}elseif(code>0x80){byteArray[0]=0xC0|((code&0x7C0)>>>6);byteArray[1]=0x80|(code&0x3F);}else{byteArray[0]=code;}this.parsedData.push(byteArray);}this.parsedData=Array.prototype.concat.apply([],this.parsedData);if(this.parsedData.length!=this.data.length){this.parsedData.unshift(191);this.parsedData.unshift(187);this.parsedData.unshift(239);}}QR8bitByte.prototype={getLength:function(buffer){returnthis.parsedData.length;},write:function(buffer){for(vari=0,l=this.parsedData.length;i<l;i++){buffer.put(this.parsedData[i],8);}}};functionQRCodeModel(typeNumber,errorCorrectLevel){this.typeNumber=typeNumber;this.errorCorrectLevel=errorCorrectLevel;this.modules=null;this.moduleCount=0;this.dataCache=null;this.dataList=[];}functionQRPolynomial(num,shift){if(num.length==undefined)thrownewError(num.length+"/"+shift);varoffset=0;while(offset<num.length&&num[offset]==0)offset++;this.num=newArray(num.length-offset+shift);for(vari=0;i<num.length-offset;i++)this.num[i]=num[i+offset];}functionQRRSBlock(totalCount,dataCount){this.totalCount=totalCount,this.dataCount=dataCount;}functionQRBitBuffer(){this.buffer=[],this.length=0;}QRCodeModel.prototype={"addData":function(data){varnewData=newQR8bitByte(data);this.dataList.push(newData),this.dataCache=null;},"isDark":function(row,col){if(row<0||this.moduleCount<=row||col<0||this.moduleCount<=col)thrownewError(row+","+col);returnthis.modules[row][col];},"getModuleCount":function(){returnthis.moduleCount;},"make":function(){this.makeImpl(!1,this.getBestMaskPattern());},"makeImpl":function(test,maskPattern){this.moduleCount=this.typeNumber*4+17,this.modules=newArray(this.moduleCount);for(varrow=0;row<this.moduleCount;row++){this.modules[row]=newArray(this.moduleCount);for(varcol=0;col<this.moduleCount;col++)this.modules[row][col]=null;}this.setupPositionProbePattern(0,0),this.setupPositionProbePattern(this.moduleCount-7,0),this.setupPositionProbePattern(0,this.moduleCount-7),this.setupPositionAdjustPattern(),this.setupTimingPattern(),this.setupTypeInfo(test,maskPattern),this.typeNumber>=7&&this.setupTypeNumber(test),this.dataCache==null&&(this.dataCache=QRCodeModel.createData(this.typeNumber,this.errorCorrectLevel,this.dataList)),this.mapData(this.dataCache,maskPattern);},"setupPositionProbePattern":function(row,col){for(varr=-1;r<=7;r++){if(row+r<=-1||this.moduleCount<=row+r)continue;for(varc=-1;c<=7;c++){if(col+c<=-1||this.moduleCount<=col+c)continue;0<=r&&r<=6&&(c==0||c==6)||0<=c&&c<=6&&(r==0||r==6)||2<=r&&r<=4&&2<=c&&c<=4?this.modules[row+r][col+c]=!0:this.modules[row+r][col+c]=!1;}}},"getBestMaskPattern":function(){varminLostPoint=0,pattern=0;for(vari=0;i<8;i++){this.makeImpl(!0,i);varlostPoint=QRUtil.getLostPoint(this);if(i==0||minLostPoint>lostPoint)minLostPoint=lostPoint,pattern=i;}returnpattern;},"createMovieClip":function(target_mc,instance_name,depth){varqr_mc=target_mc.createEmptyMovieClip(instance_name,depth),cs=1;this.make();for(varrow=0;row<this.modules.length;row++){vary=row*cs;for(varcol=0;col<this.modules[row].length;col++){varx=col*cs,dark=this.modules[row][col];dark&&(qr_mc.beginFill(0,100),qr_mc.moveTo(x,y),qr_mc.lineTo(x+cs,y),qr_mc.lineTo(x+cs,y+cs),qr_mc.lineTo(x,y+cs),qr_mc.endFill());}}returnqr_mc;},"setupTimingPattern":function(){for(varr=8;r<this.moduleCount-8;r++){if(this.modules[r][6]!=null)continue;this.modules[r][6]=r%2==0;}for(varc=8;c<this.moduleCount-8;c++){if(this.modules[6][c]!=null)continue;this.modules[6][c]=c%2==0;}},"setupPositionAdjustPattern":function(){varpos=QRUtil.getPatternPosition(this.typeNumber);for(vari=0;i<pos.length;i++)for(varj=0;j<pos.length;j++){varrow=pos[i],col=pos[j];if(this.modules[row][col]!=null)continue;for(varr=-2;r<=2;r++)for(varc=-2;c<=2;c++)r==-2||r==2||c==-2||c==2||r==0&&c==0?this.modules[row+r][col+c]=!0:this.modules[row+r][col+c]=!1;}},"setupTypeNumber":function(test){varbits=QRUtil.getBCHTypeNumber(this.typeNumber);for(vari=0;i<18;i++){varmod=!test&&(bits>>i&1)==1;this.modules[Math.floor(i/3)][i%3+this.moduleCount-8-3]=mod;}for(vari=0;i<18;i++){varmod=!test&&(bits>>i&1)==1;this.modules[i%3+this.moduleCount-8-3][Math.floor(i/3)]=mod;}},"setupTypeInfo":function(test,maskPattern){vardata=this.errorCorrectLevel<<3|maskPattern,bits=QRUtil.getBCHTypeInfo(data);for(vari=0;i<15;i++){varmod=!test&&(bits>>i&1)==1;i<6?this.modules[i][8]=mod:i<8?this.modules[i+1][8]=mod:this.modules[this.moduleCount-15+i][8]=mod;}for(vari=0;i<15;i++){varmod=!test&&(bits>>i&1)==1;i<8?this.modules[8][this.moduleCount-i-1]=mod:i<9?this.modules[8][15-i-1+1]=mod:this.modules[8][15-i-1]=mod;}this.modules[this.moduleCount-8][8]=!test;},"mapData":function(data,maskPattern){varinc=-1,row=this.moduleCount-1,bitIndex=7,byteIndex=0;for(varcol=this.moduleCount-1;col>0;col-=2){col==6&&col--;for(;;){for(varc=0;c<2;c++)if(this.modules[row][col-c]==null){vardark=!1;byteIndex<data.length&&(dark=(data[byteIndex]>>>bitIndex&1)==1);varmask=QRUtil.getMask(maskPattern,row,col-c);mask&&(dark=!dark),this.modules[row][col-c]=dark,bitIndex--,bitIndex==-1&&(byteIndex++,bitIndex=7);}row+=inc;if(row<0||this.moduleCount<=row){row-=inc,inc=-inc;break;}}}}},QRCodeModel.PAD0=236,QRCodeModel.PAD1=17,QRCodeModel.createData=function(typeNumber,errorCorrectLevel,dataList){varrsBlocks=QRRSBlock.getRSBlocks(typeNumber,errorCorrectLevel),buffer=newQRBitBuffer;for(vari=0;i<dataList.length;i++){vardata=dataList[i];buffer.put(data.mode,4),buffer.put(data.getLength(),QRUtil.getLengthInBits(data.mode,typeNumber)),data.write(buffer);}vartotalDataCount=0;for(vari=0;i<rsBlocks.length;i++)totalDataCount+=rsBlocks[i].dataCount;if(buffer.getLengthInBits()>totalDataCount*8)thrownewError("codelengthoverflow.("+buffer.getLengthInBits()+">"+totalDataCount*8+")");buffer.getLengthInBits()+4<=totalDataCount*8&&buffer.put(0,4);while(buffer.getLengthInBits()%8!=0)buffer.putBit(!1);for(;;){if(buffer.getLengthInBits()>=totalDataCount*8)break;buffer.put(QRCodeModel.PAD0,8);if(buffer.getLengthInBits()>=totalDataCount*8)break;buffer.put(QRCodeModel.PAD1,8);}returnQRCodeModel.createBytes(buffer,rsBlocks);},QRCodeModel.createBytes=function(buffer,rsBlocks){varoffset=0,maxDcCount=0,maxEcCount=0,dcdata=newArray(rsBlocks.length),ecdata=newArray(rsBlocks.length);for(varr=0;r<rsBlocks.length;r++){vardcCount=rsBlocks[r].dataCount,ecCount=rsBlocks[r].totalCount-dcCount;maxDcCount=Math.max(maxDcCount,dcCount),maxEcCount=Math.max(maxEcCount,ecCount),dcdata[r]=newArray(dcCount);for(vari=0;i<dcdata[r].length;i++)dcdata[r][i]=255&buffer.buffer[i+offset];offset+=dcCount;varrsPoly=QRUtil.getErrorCorrectPolynomial(ecCount),rawPoly=newQRPolynomial(dcdata[r],rsPoly.getLength()-1),modPoly=rawPoly.mod(rsPoly);ecdata[r]=newArray(rsPoly.getLength()-1);for(vari=0;i<ecdata[r].length;i++){varmodIndex=i+modPoly.getLength()-ecdata[r].length;ecdata[r][i]=modIndex>=0?modPoly.get(modIndex):0;}}vartotalCodeCount=0;for(vari=0;i<rsBlocks.length;i++)totalCodeCount+=rsBlocks[i].totalCount;vardata=newArray(totalCodeCount),index=0;for(vari=0;i<maxDcCount;i++)for(varr=0;r<rsBlocks.length;r++)i<dcdata[r].length&&(data[index++]=dcdata[r][i]);for(vari=0;i<maxEcCount;i++)for(varr=0;r<rsBlocks.length;r++)i<ecdata[r].length&&(data[index++]=ecdata[r][i]);returndata;};varQRMode={"MODE_NUMBER":1,"MODE_ALPHA_NUM":2,"MODE_8BIT_BYTE":4,"MODE_KANJI":8},QRErrorCorrectLevel={"L":1,"M":0,"Q":3,"H":2},QRMaskPattern={"PATTERN000":0,"PATTERN001":1,"PATTERN010":2,"PATTERN011":3,"PATTERN100":4,"PATTERN101":5,"PATTERN110":6,"PATTERN111":7},QRUtil={"PATTERN_POSITION_TABLE":[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],"G15":1335,"G18":7973,"G15_MASK":21522,"getBCHTypeInfo":function(data){vard=data<<10;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)>=0)d^=QRUtil.G15<<QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15);return(data<<10|d)^QRUtil.G15_MASK;},"getBCHTypeNumber":function(data){vard=data<<12;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)>=0)d^=QRUtil.G18<<QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18);returndata<<12|d;},"getBCHDigit":function(data){vardigit=0;while(data!=0)digit++,data>>>=1;returndigit;},"getPatternPosition":function(typeNumber){returnQRUtil.PATTERN_POSITION_TABLE[typeNumber-1];},"getMask":function(maskPattern,i,j){switch(maskPattern){caseQRMaskPattern.PATTERN000:return(i+j)%2==0;caseQRMaskPattern.PATTERN001:returni%2==0;caseQRMaskPattern.PATTERN010:returnj%3==0;caseQRMaskPattern.PATTERN011:return(i+j)%3==0;caseQRMaskPattern.PATTERN100:return(Math.floor(i/2)+Math.floor(j/3))%2==0;caseQRMaskPattern.PATTERN101:returni*j%2+i*j%3==0;caseQRMaskPattern.PATTERN110:return(i*j%2+i*j%3)%2==0;caseQRMaskPattern.PATTERN111:return(i*j%3+(i+j)%2)%2==0;default:thrownewError("badmaskPattern:"+maskPattern);}},"getErrorCorrectPolynomial":function(errorCorrectLength){vara=newQRPolynomial([1],0);for(vari=0;i<errorCorrectLength;i++)a=a.multiply(newQRPolynomial([1,QRMath.gexp(i)],0));returna;},"getLengthInBits":function(mode,type){if(1<=type&&type<10)switch(mode){caseQRMode.MODE_NUMBER:return10;caseQRMode.MODE_ALPHA_NUM:return9;caseQRMode.MODE_8BIT_BYTE:return8;caseQRMode.MODE_KANJI:return8;default:thrownewError("mode:"+mode);}elseif(type<27)switch(mode){caseQRMode.MODE_NUMBER:return12;caseQRMode.MODE_ALPHA_NUM:return11;caseQRMode.MODE_8BIT_BYTE:return16;caseQRMode.MODE_KANJI:return10;default:thrownewError("mode:"+mode);}else{if(!(type<41))thrownewError("type:"+type);switch(mode){caseQRMode.MODE_NUMBER:return14;caseQRMode.MODE_ALPHA_NUM:return13;caseQRMode.MODE_8BIT_BYTE:return16;caseQRMode.MODE_KANJI:return12;default:thrownewError("mode:"+mode);}}},"getLostPoint":function(qrCode){varmoduleCount=qrCode.getModuleCount(),lostPoint=0;for(varrow=0;row<moduleCount;row++)for(varcol=0;col<moduleCount;col++){varsameCount=0,dark=qrCode.isDark(row,col);for(varr=-1;r<=1;r++){if(row+r<0||moduleCount<=row+r)continue;for(varc=-1;c<=1;c++){if(col+c<0||moduleCount<=col+c)continue;if(r==0&&c==0)continue;dark==qrCode.isDark(row+r,col+c)&&sameCount++;}}sameCount>5&&(lostPoint+=3+sameCount-5);}for(varrow=0;row<moduleCount-1;row++)for(varcol=0;col<moduleCount-1;col++){varcount=0;qrCode.isDark(row,col)&&count++,qrCode.isDark(row+1,col)&&count++,qrCode.isDark(row,col+1)&&count++,qrCode.isDark(row+1,col+1)&&count++;if(count==0||count==4)lostPoint+=3;}for(varrow=0;row<moduleCount;row++)for(varcol=0;col<moduleCount-6;col++)qrCode.isDark(row,col)&&!qrCode.isDark(row,col+1)&&qrCode.isDark(row,col+2)&&qrCode.isDark(row,col+3)&&qrCode.isDark(row,col+4)&&!qrCode.isDark(row,col+5)&&qrCode.isDark(row,col+6)&&(lostPoint+=40);for(varcol=0;col<moduleCount;col++)for(varrow=0;row<moduleCount-6;row++)qrCode.isDark(row,col)&&!qrCode.isDark(row+1,col)&&qrCode.isDark(row+2,col)&&qrCode.isDark(row+3,col)&&qrCode.isDark(row+4,col)&&!qrCode.isDark(row+5,col)&&qrCode.isDark(row+6,col)&&(lostPoint+=40);vardarkCount=0;for(varcol=0;col<moduleCount;col++)for(varrow=0;row<moduleCount;row++)qrCode.isDark(row,col)&&darkCount++;varratio=Math.abs(100*darkCount/moduleCount/moduleCount-50)/5;returnlostPoint+=ratio*10,lostPoint;}},QRMath={"glog":function(n){if(n<1)thrownewError("glog("+n+")");returnQRMath.LOG_TABLE[n];},"gexp":function(n){while(n<0)n+=255;while(n>=256)n-=255;returnQRMath.EXP_TABLE[n];},"EXP_TABLE":newArray(256),"LOG_TABLE":newArray(256)};for(vari=0;i<8;i++)QRMath.EXP_TABLE[i]=1<<i;for(vari=8;i<256;i++)QRMath.EXP_TABLE[i]=QRMath.EXP_TABLE[i-4]^QRMath.EXP_TABLE[i-5]^QRMath.EXP_TABLE[i-6]^QRMath.EXP_TABLE[i-8];for(vari=0;i<255;i++)QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]]=i;QRPolynomial.prototype={"get":function(index){returnthis.num[index];},"getLength":function(){returnthis.num.length;},"multiply":function(e){varnum=newArray(this.getLength()+e.getLength()-1);for(vari=0;i<this.getLength();i++)for(varj=0;j<e.getLength();j++)num[i+j]^=QRMath.gexp(QRMath.glog(this.get(i))+QRMath.glog(e.get(j)));returnnewQRPolynomial(num,0);},"mod":function(e){if(this.getLength()-e.getLength()<0)returnthis;varratio=QRMath.glog(this.get(0))-QRMath.glog(e.get(0)),num=newArray(this.getLength());for(vari=0;i<this.getLength();i++)num[i]=this.get(i);for(vari=0;i<e.getLength();i++)num[i]^=QRMath.gexp(QRMath.glog(e.get(i))+ratio);return(newQRPolynomial(num,0)).mod(e);}},QRRSBlock.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]],QRRSBlock.getRSBlocks=function(typeNumber,errorCorrectLevel){varrsBlock=QRRSBlock.getRsBlockTable(typeNumber,errorCorrectLevel);if(rsBlock==undefined)thrownewError("badrsblock@typeNumber:"+typeNumber+"/errorCorrectLevel:"+errorCorrectLevel);varlength=rsBlock.length/3,list=[];for(vari=0;i<length;i++){varcount=rsBlock[i*3+0],totalCount=rsBlock[i*3+1],dataCount=rsBlock[i*3+2];for(varj=0;j<count;j++)list.push(newQRRSBlock(totalCount,dataCount));}returnlist;},QRRSBlock.getRsBlockTable=function(typeNumber,errorCorrectLevel){switch(errorCorrectLevel){caseQRErrorCorrectLevel.L:returnQRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+0];caseQRErrorCorrectLevel.M:returnQRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+1];caseQRErrorCorrectLevel.Q:returnQRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+2];caseQRErrorCorrectLevel.H:returnQRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+3];default:returnundefined;}},QRBitBuffer.prototype={"get":function(index){varbufIndex=Math.floor(index/8);return(this.buffer[bufIndex]>>>7-index%8&1)==1;},"put":function(num,length){for(vari=0;i<length;i++)this.putBit((num>>>length-i-1&1)==1);},"getLengthInBits":function(){returnthis.length;},"putBit":function(bit){varbufIndex=Math.floor(this.length/8);this.buffer.length<=bufIndex&&this.buffer.push(0),bit&&(this.buffer[bufIndex]|=128>>>this.length%8),this.length++;}};varQRCodeLimitLength=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]];function_isSupportCanvas(){returntypeofCanvasRenderingContext2D!="undefined";}//android2.xdoesn'tsupportData-URIspecfunction_getAndroid(){varandroid=false;varsAgent=navigator.userAgent;if(/android/i.test(sAgent)){//androidandroid=true;aMat=sAgent.toString().match(/android([0-9]\.[0-9])/i);if(aMat&&aMat[1]){android=parseFloat(aMat[1]);}}returnandroid;}varsvgDrawer=(function(){varDrawing=function(el,htOption){this._el=el;this._htOption=htOption;};Drawing.prototype.draw=function(oQRCode){var_htOption=this._htOption;var_el=this._el;varnCount=oQRCode.getModuleCount();varnWidth=Math.floor(_htOption.width/nCount);varnHeight=Math.floor(_htOption.height/nCount);this.clear();functionmakeSVG(tag,attrs){varel=document.createElementNS('http://www.w3.org/2000/svg',tag);for(varkinattrs)if(attrs.hasOwnProperty(k))el.setAttribute(k,attrs[k]);returnel;}varsvg=makeSVG("svg",{'viewBox':'00'+String(nCount)+""+String(nCount),'width':'100%','height':'100%','fill':_htOption.colorLight});svg.setAttributeNS("http://www.w3.org/2000/xmlns/","xmlns:xlink","http://www.w3.org/1999/xlink");_el.appendChild(svg);svg.appendChild(makeSVG("rect",{"fill":_htOption.colorDark,"width":"1","height":"1","id":"template"}));for(varrow=0;row<nCount;row++){for(varcol=0;col<nCount;col++){if(oQRCode.isDark(row,col)){varchild=makeSVG("use",{"x":String(row),"y":String(col)});child.setAttributeNS("http://www.w3.org/1999/xlink","href","#template")svg.appendChild(child);}}}};Drawing.prototype.clear=function(){while(this._el.hasChildNodes())this._el.removeChild(this._el.lastChild);};returnDrawing;})();varuseSVG=document.documentElement.tagName.toLowerCase()==="svg";//DrawinginDOMbyusingTabletagvarDrawing=useSVG?svgDrawer:!_isSupportCanvas()?(function(){varDrawing=function(el,htOption){this._el=el;this._htOption=htOption;};/***DrawtheQRCode**@param{QRCode}oQRCode*/Drawing.prototype.draw=function(oQRCode){var_htOption=this._htOption;var_el=this._el;varnCount=oQRCode.getModuleCount();varnWidth=Math.floor(_htOption.width/nCount);varnHeight=Math.floor(_htOption.height/nCount);varaHTML=['<table>'];for(varrow=0;row<nCount;row++){aHTML.push('<tr>');for(varcol=0;col<nCount;col++){aHTML.push('<td></td>');}aHTML.push('</tr>');}aHTML.push('</table>');_el.innerHTML=aHTML.join('');//Fixthemarginvaluesasrealsize.varelTable=_el.childNodes[0];varnLeftMarginTable=(_htOption.width-elTable.offsetWidth)/2;varnTopMarginTable=(_htOption.height-elTable.offsetHeight)/2;if(nLeftMarginTable>0&&nTopMarginTable>0){elTable.style.margin=nTopMarginTable+"px"+nLeftMarginTable+"px";}};/***CleartheQRCode*/Drawing.prototype.clear=function(){this._el.innerHTML='';};returnDrawing;})():(function(){//DrawinginCanvasfunction_onMakeImage(){this._elImage.src=this._elCanvas.toDataURL("p_w_picpath/png");this._elImage.style.display="block";this._elCanvas.style.display="none";}//Android2.1bugworkaround//http://code.google.com/p/android/issues/detail?id=5141if(this._android&&this._android<=2.1){varfactor=1/window.devicePixelRatio;vardrawImage=CanvasRenderingContext2D.prototype.drawImage;CanvasRenderingContext2D.prototype.drawImage=function(p_w_picpath,sx,sy,sw,sh,dx,dy,dw,dh){if(("nodeName"inp_w_picpath)&&/img/i.test(p_w_picpath.nodeName)){for(vari=arguments.length-1;i>=1;i--){arguments[i]=arguments[i]*factor;}}elseif(typeofdw=="undefined"){arguments[1]*=factor;arguments[2]*=factor;arguments[3]*=factor;arguments[4]*=factor;}drawImage.apply(this,arguments);};}/***Checkwhethertheuser'sbrowsersupportsDataURIornot**@private*@param{Function}fSuccessOccursifitsupportsDataURI*@param{Function}fFailOccursifitdoesn'tsupportDataURI*/function_safeSetDataURI(fSuccess,fFail){varself=this;self._fFail=fFail;self._fSuccess=fSuccess;//Checkitjustonceif(self._bSupportDataURI===null){varel=document.createElement("img");varfOnError=function(){self._bSupportDataURI=false;if(self._fFail){_fFail.call(self);}};varfOnSuccess=function(){self._bSupportDataURI=true;if(self._fSuccess){self._fSuccess.call(self);}};el.onabort=fOnError;el.onerror=fOnError;el.onload=fOnSuccess;el.src="data:p_w_picpath/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";//theImagecontains1pxdata.return;}elseif(self._bSupportDataURI===true&&self._fSuccess){self._fSuccess.call(self);}elseif(self._bSupportDataURI===false&&self._fFail){self._fFail.call(self);}};/***DrawingQRCodebyusingcanvas**@constructor*@param{HTMLElement}el*@param{Object}htOptionQRCodeOptions*/varDrawing=function(el,htOption){this._bIsPainted=false;this._android=_getAndroid();this._htOption=htOption;this._elCanvas=document.createElement("canvas");this._elCanvas.width=htOption.width;this._elCanvas.height=htOption.height;el.appendChild(this._elCanvas);this._el=el;this._oContext=this._elCanvas.getContext("2d");this._bIsPainted=false;this._elImage=document.createElement("img");this._elImage.alt="Scanme!";this._elImage.style.display="none";this._el.appendChild(this._elImage);this._bSupportDataURI=null;};/***DrawtheQRCode**@param{QRCode}oQRCode*/Drawing.prototype.draw=function(oQRCode){var_elImage=this._elImage;var_oContext=this._oContext;var_htOption=this._htOption;varnCount=oQRCode.getModuleCount();varnWidth=_htOption.width/nCount;varnHeight=_htOption.height/nCount;varnRoundedWidth=Math.round(nWidth);varnRoundedHeight=Math.round(nHeight);_elImage.style.display="none";this.clear();for(varrow=0;row<nCount;row++){for(varcol=0;col<nCount;col++){varbIsDark=oQRCode.isDark(row,col);varnLeft=col*nWidth;varnTop=row*nHeight;_oContext.strokeStyle=bIsDark?_htOption.colorDark:_htOption.colorLight;_oContext.lineWidth=1;_oContext.fillStyle=bIsDark?_htOption.colorDark:_htOption.colorLight;_oContext.fillRect(nLeft,nTop,nWidth,nHeight);//鞎堩嫲鞎Μ鞏挫嫳氚╈觳橂Μ_oContext.strokeRect(Math.floor(nLeft)+0.5,Math.floor(nTop)+0.5,nRoundedWidth,nRoundedHeight);_oContext.strokeRect(Math.ceil(nLeft)-0.5,Math.ceil(nTop)-0.5,nRoundedWidth,nRoundedHeight);}}this._bIsPainted=true;};/***Makethep_w_picpathfromCanvasifthebrowsersupportsDataURI.*/Drawing.prototype.makeImage=function(){if(this._bIsPainted){_safeSetDataURI.call(this,_onMakeImage);}};/***ReturnwhethertheQRCodeispaintedornot**@return{Boolean}*/Drawing.prototype.isPainted=function(){returnthis._bIsPainted;};/***CleartheQRCode*/Drawing.prototype.clear=function(){this._oContext.clearRect(0,0,this._elCanvas.width,this._elCanvas.height);this._bIsPainted=false;};/***@private*@param{Number}nNumber*/Drawing.prototype.round=function(nNumber){if(!nNumber){returnnNumber;}returnMath.floor(nNumber*1000)/1000;};returnDrawing;})();/***Getthetypebystringlength**@private*@param{String}sText*@param{Number}nCorrectLevel*@return{Number}type*/function_getTypeNumber(sText,nCorrectLevel){varnType=1;varlength=_getUTF8Length(sText);for(vari=0,len=QRCodeLimitLength.length;i<=len;i++){varnLimit=0;switch(nCorrectLevel){caseQRErrorCorrectLevel.L:nLimit=QRCodeLimitLength[i][0];break;caseQRErrorCorrectLevel.M:nLimit=QRCodeLimitLength[i][1];break;caseQRErrorCorrectLevel.Q:nLimit=QRCodeLimitLength[i][2];break;caseQRErrorCorrectLevel.H:nLimit=QRCodeLimitLength[i][3];break;}if(length<=nLimit){break;}else{nType++;}}if(nType>QRCodeLimitLength.length){thrownewError("Toolongdata");}returnnType;}function_getUTF8Length(sText){varreplacedText=encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g,'a');returnreplacedText.length+(replacedText.length!=sText?3:0);}/***@classQRCode*@constructor*@example*newQRCode(document.getElementById("test"),"http://jindo.dev.naver.com/collie");**@example*varoQRCode=newQRCode("test",{*text:"http://naver.com",*width:128,*height:128*});**oQRCode.clear();//CleartheQRCode.*oQRCode.makeCode("http://map.naver.com");//Re-createtheQRCode.**@param{HTMLElement|String}eltargetelementor'id'attributeofelement.*@param{Object|String}vOption*@param{String}vOption.textQRCodelinkdata*@param{Number}[vOption.width=256]*@param{Number}[vOption.height=256]*@param{String}[vOption.colorDark="#000000"]*@param{String}[vOption.colorLight="#ffffff"]*@param{QRCode.CorrectLevel}[vOption.correctLevel=QRCode.CorrectLevel.H][L|M|Q|H]*/QRCode=function(el,vOption){this._htOption={width:256,height:256,typeNumber:4,colorDark:"#000000",colorLight:"#ffffff",correctLevel:QRErrorCorrectLevel.H};if(typeofvOption==='string'){vOption={text:vOption};}//Overwritesoptionsif(vOption){for(variinvOption){this._htOption[i]=vOption[i];}}if(typeofel=="string"){el=document.getElementById(el);}this._android=_getAndroid();this._el=el;this._oQRCode=null;this._oDrawing=newDrawing(this._el,this._htOption);if(this._htOption.text){this.makeCode(this._htOption.text);}};/***MaketheQRCode**@param{String}sTextlinkdata*/QRCode.prototype.makeCode=function(sText){this._oQRCode=newQRCodeModel(_getTypeNumber(sText,this._htOption.correctLevel),this._htOption.correctLevel);this._oQRCode.addData(sText);this._oQRCode.make();this._el.title=sText;this._oDrawing.draw(this._oQRCode);this.makeImage();};/***MaketheImagefromCanvaselement*-Itoccursautomatically*-Androidbelow3doesn'tsupportData-URIspec.**@private*/QRCode.prototype.makeImage=function(){if(typeofthis._oDrawing.makeImage=="function"&&(!this._android||this._android>=3)){this._oDrawing.makeImage();}};/***CleartheQRCode*/QRCode.prototype.clear=function(){this._oDrawing.clear();};/***@nameQRCode.CorrectLevel*/QRCode.CorrectLevel=QRErrorCorrectLevel;})();
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