function qr8bitbyte(a){
	this.mode=qrmode.mode_8bit_byte,
	this.data=a
}

function qrcode(a,b){
	this.typenumber=a,
	this.errorcorrectlevel=b,
	this.modules=null,
	this.modulecount=0,
	this.datacache=null,
	this.datalist=new array()
}
function qrpolynomial(a,b){
	var c,d;
	if(void 0==a.length){
		throw new error(a.length+"/"+b)
	}
	for(c=0;c<a.length&&0==a[c];){
		c++
	}
	for(this.num=new array(a.length-c+b),d=0;d<a.length-c;d++){
		this.num[d]=a[d+c]
	}
}
function qrrsblock(a,b){
	this.totalcount=a,
	this.datacount=b
}
function qrbitbuffer(){
	this.buffer=new array(),
	this.length=0
}
var qrmode,qrerrorcorrectlevel,qrmaskpattern,qrutil,qrmath,i;
for(function(a){
	a.fn.qrcode=function(b){
		var c,d;
		return"string"==typeof b&&(b={text:b}),
		b=a.extend({},{
			render:"canvas",
			width:256,
			height:256,
			//这里是图片的高度和宽度
			imgwidth:b.width/3,
			imgheight:b.height/3,
			typenumber:-1,
			correctlevel:qrerrorcorrectlevel.h,
			background:"#ffffff",
			foreground:"#000000"
		 },b),c=function(){
			var c,d,e,f,g,h,i,j,k,a=new qrcode(b.typenumber,b.correctlevel);
			for(a.adddata(utf16to8(b.text)),a.make(),
					c=document.createelement("canvas"),
					c.width=b.width,c.height=b.height,d=c.getcontext("2d"),
					b.src&&(e=new image(),e.src=b.src,e.onload=function(){
						d.drawimage(e,(b.width-b.imgwidth)/2,(b.height-b.imgheight)/2,
								b.imgwidth,b.imgheight)}),f=b.width/a.getmodulecount(),
								g=b.height/a.getmodulecount(),h=0;h<a.getmodulecount();h++)
			{for(i=0;i<a.getmodulecount();i++){
				d.fillstyle=a.isdark(h,i)?b.foreground:b.background,
						j=math.ceil((i+1)*f)-math.floor(i*f),
						k=math.ceil((h+1)*f)-math.floor(h*f),
						d.fillrect(math.round(i*f),math.round(h*g),j,k)
						}}return c},
						d=function(){var d,e,f,g,h,i,
							c=new qrcode(b.typenumber,b.correctlevel);
						//这里的utf16to8(b.text)是对text中的字符串进行转码，让其支持中文
						for(c.adddata(utf16to8(b.text)),c.make(),d=a("<table></table>").css("width",b.width+"px").css("height",b.height+"px").css("border","0px").css("border-collapse","collapse").css("background-color",b.background),e=b.width/c.getmodulecount(),f=b.height/c.getmodulecount(),g=0;g<c.getmodulecount();g++){for(h=a("<tr></tr>").css("height",f+"px").appendto(d),i=0;i<c.getmodulecount();i++){a("<td></td>").css("width",e+"px").css("background-color",c.isdark(g,i)?b.foreground:b.background).appendto(h)}}return d},this.each(function(){var e="canvas"==b.render?c():d();a(e).appendto(this)})}}(jquery),qr8bitbyte.prototype={getlength:function(){return this.data.length},write:function(a){for(var b=0;b<this.data.length;b++){a.put(this.data.charcodeat(b),8)}}},qrcode.prototype={adddata:function(a){var b=new qr8bitbyte(a);this.datalist.push(b),this.datacache=null},isdark:function(a,b){if(0>a||this.modulecount<=a||0>b||this.modulecount<=b){throw new error(a+","+b)}return this.modules[a][b]},getmodulecount:function(){return this.modulecount},make:function(){var a,b,c,d,e,f;if(this.typenumber<1){for(a=1,a=1;40>a;a++){for(b=qrrsblock.getrsblocks(a,this.errorcorrectlevel),c=new qrbitbuffer(),d=0,e=0;e<b.length;e++){d+=b[e].datacount}for(e=0;e<this.datalist.length;e++){f=this.datalist[e],c.put(f.mode,4),c.put(f.getlength(),qrutil.getlengthinbits(f.mode,a)),f.write(c)}if(c.getlengthinbits()<=8*d){break}}this.typenumber=a}this.makeimpl(!1,this.getbestmaskpattern())},makeimpl:function(a,b){var c,d;for(this.modulecount=4*this.typenumber+17,this.modules=new array(this.modulecount),c=0;c<this.modulecount;c++){for(this.modules[c]=new array(this.modulecount),d=0;d<this.modulecount;d++){this.modules[c][d]=null}}this.setuppositionprobepattern(0,0),this.setuppositionprobepattern(this.modulecount-7,0),this.setuppositionprobepattern(0,this.modulecount-7),this.setuppositionadjustpattern(),this.setuptimingpattern(),this.setuptypeinfo(a,b),this.typenumber>=7&&this.setuptypenumber(a),null==this.datacache&&(this.datacache=qrcode.createdata(this.typenumber,this.errorcorrectlevel,this.datalist)),this.mapdata(this.datacache,b)},setuppositionprobepattern:function(a,b){var c,d;for(c=-1;7>=c;c++){if(!(-1>=a+c||this.modulecount<=a+c)){for(d=-1;7>=d;d++){-1>=b+d||this.modulecount<=b+d||(this.modules[a+c][b+d]=c>=0&&6>=c&&(0==d||6==d)||d>=0&&6>=d&&(0==c||6==c)||c>=2&&4>=c&&d>=2&&4>=d?!0:!1)}}}},getbestmaskpattern:function(){var c,d,a=0,b=0;for(c=0;8>c;c++){this.makeimpl(!0,c),d=qrutil.getlostpoint(this),(0==c||a>d)&&(a=d,b=c)}return b},createmovieclip:function(a,b,c){var f,g,h,i,j,d=a.createemptymovieclip(b,c),e=1;for(this.make(),f=0;f<this.modules.length;f++){for(g=f*e,h=0;h<this.modules[f].length;h++){i=h*e,j=this.modules[f][h],j&&(d.beginfill(0,100),d.moveto(i,g),d.lineto(i+e,g),d.lineto(i+e,g+e),d.lineto(i,g+e),d.endfill())}}return d},setuptimingpattern:function(){var a,b;for(a=8;a<this.modulecount-8;a++){null==this.modules[a][6]&&(this.modules[a][6]=0==a%2)}for(b=8;b<this.modulecount-8;b++){null==this.modules[6][b]&&(this.modules[6][b]=0==b%2)}},setuppositionadjustpattern:function(){var b,c,d,e,f,g,a=qrutil.getpatternposition(this.typenumber);for(b=0;b<a.length;b++){for(c=0;c<a.length;c++){if(d=a[b],e=a[c],null==this.modules[d][e]){for(f=-2;2>=f;f++){for(g=-2;2>=g;g++){this.modules[d+f][e+g]=-2==f||2==f||-2==g||2==g||0==f&&0==g?!0:!1}}}}}},setuptypenumber:function(a){var c,d,b=qrutil.getbchtypenumber(this.typenumber);for(c=0;18>c;c++){d=!a&&1==(1&b>>c),this.modules[math.floor(c/3)][c%3+this.modulecount-8-3]=d}for(c=0;18>c;c++){d=!a&&1==(1&b>>c),this.modules[c%3+this.modulecount-8-3][math.floor(c/3)]=d}},setuptypeinfo:function(a,b){var e,f,c=this.errorcorrectlevel<<3|b,d=qrutil.getbchtypeinfo(c);for(e=0;15>e;e++){f=!a&&1==(1&d>>e),6>e?this.modules[e][8]=f:8>e?this.modules[e+1][8]=f:this.modules[this.modulecount-15+e][8]=f}for(e=0;15>e;e++){f=!a&&1==(1&d>>e),8>e?this.modules[8][this.modulecount-e-1]=f:9>e?this.modules[8][15-e-1+1]=f:this.modules[8][15-e-1]=f}this.modules[this.modulecount-8][8]=!a},mapdata:function(a,b){var g,h,i,j,c=-1,d=this.modulecount-1,e=7,f=0;for(g=this.modulecount-1;g>0;g-=2){for(6==g&&g--;;){for(h=0;2>h;h++){null==this.modules[d][g-h]&&(i=!1,f<a.length&&(i=1==(1&a[f]>>>e)),j=qrutil.getmask(b,d,g-h),j&&(i=!i),this.modules[d][g-h]=i,e--,-1==e&&(f++,e=7))}if(d+=c,0>d||this.modulecount<=d){d-=c,c=-c;break}}}}},qrcode.pad0=236,qrcode.pad1=17,qrcode.createdata=function(a,b,c){var f,g,h,d=qrrsblock.getrsblocks(a,b),e=new qrbitbuffer();for(f=0;f<c.length;f++){g=c[f],e.put(g.mode,4),e.put(g.getlength(),qrutil.getlengthinbits(g.mode,a)),g.write(e)}for(h=0,f=0;f<d.length;f++){h+=d[f].datacount}if(e.getlengthinbits()>8*h){throw new error("code length overflow. ("+e.getlengthinbits()+">"+8*h+")")}for(e.getlengthinbits()+4<=8*h&&e.put(0,4);0!=e.getlengthinbits()%8;){e.putbit(!1)}for(;;){if(e.getlengthinbits()>=8*h){break}if(e.put(qrcode.pad0,8),e.getlengthinbits()>=8*h){break}e.put(qrcode.pad1,8)}return qrcode.createbytes(e,d)},qrcode.createbytes=function(a,b){var h,i,j,k,l,m,n,o,p,q,r,c=0,d=0,e=0,f=new array(b.length),g=new array(b.length);for(h=0;h<b.length;h++){for(i=b[h].datacount,j=b[h].totalcount-i,d=math.max(d,i),e=math.max(e,j),f[h]=new array(i),k=0;k<f[h].length;k++){f[h][k]=255&a.buffer[k+c]}for(c+=i,l=qrutil.geterrorcorrectpolynomial(j),m=new qrpolynomial(f[h],l.getlength()-1),n=m.mod(l),g[h]=new array(l.getlength()-1),k=0;k<g[h].length;k++){o=k+n.getlength()-g[h].length,g[h][k]=o>=0?n.get(o):0}}for(p=0,k=0;k<b.length;k++){p+=b[k].totalcount}for(q=new array(p),r=0,k=0;d>k;k++){for(h=0;h<b.length;h++){k<f[h].length&&(q[r++]=f[h][k])}}for(k=0;e>k;k++){for(h=0;h<b.length;h++){k<g[h].length&&(q[r++]=g[h][k])}}return q},qrmode={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(a){for(var b=a<<10;qrutil.getbchdigit(b)-qrutil.getbchdigit(qrutil.g15)>=0;){b^=qrutil.g15<<qrutil.getbchdigit(b)-qrutil.getbchdigit(qrutil.g15)}return(a<<10|b)^qrutil.g15_mask},getbchtypenumber:function(a){for(var b=a<<12;qrutil.getbchdigit(b)-qrutil.getbchdigit(qrutil.g18)>=0;){b^=qrutil.g18<<qrutil.getbchdigit(b)-qrutil.getbchdigit(qrutil.g18)}return a<<12|b},getbchdigit:function(a){for(var b=0;0!=a;){b++,a>>>=1}return b},getpatternposition:function(a){return qrutil.pattern_position_table[a-1]},getmask:function(a,b,c){switch(a){case qrmaskpattern.pattern000:return 0==(b+c)%2;case qrmaskpattern.pattern001:return 0==b%2;case qrmaskpattern.pattern010:return 0==c%3;case qrmaskpattern.pattern011:return 0==(b+c)%3;case qrmaskpattern.pattern100:return 0==(math.floor(b/2)+math.floor(c/3))%2;case qrmaskpattern.pattern101:return 0==b*c%2+b*c%3;case qrmaskpattern.pattern110:return 0==(b*c%2+b*c%3)%2;case qrmaskpattern.pattern111:return 0==(b*c%3+(b+c)%2)%2;default:throw new error("bad maskpattern:"+a)}},geterrorcorrectpolynomial:function(a){var c,b=new qrpolynomial([1],0);for(c=0;a>c;c++){b=b.multiply(new qrpolynomial([1,qrmath.gexp(c)],0))}return b},getlengthinbits:function(a,b){if(b>=1&&10>b){switch(a){case qrmode.mode_number:return 10;case qrmode.mode_alpha_num:return 9;case qrmode.mode_8bit_byte:return 8;case qrmode.mode_kanji:return 8;default:throw new error("mode:"+a)}}else{if(27>b){switch(a){case qrmode.mode_number:return 12;case qrmode.mode_alpha_num:return 11;case qrmode.mode_8bit_byte:return 16;case qrmode.mode_kanji:return 10;default:throw new error("mode:"+a)}}else{if(!(41>b)){throw new error("type:"+b)}switch(a){case qrmode.mode_number:return 14;case qrmode.mode_alpha_num:return 13;case qrmode.mode_8bit_byte:return 16;case qrmode.mode_kanji:return 12;default:throw new error("mode:"+a)}}}},getlostpoint:function(a){var d,e,f,g,h,i,j,k,l,b=a.getmodulecount(),c=0;for(d=0;b>d;d++){for(e=0;b>e;e++){for(f=0,g=a.isdark(d,e),h=-1;1>=h;h++){if(!(0>d+h||d+h>=b)){for(i=-1;1>=i;i++){0>e+i||e+i>=b||(0!=h||0!=i)&&g==a.isdark(d+h,e+i)&&f++}}}f>5&&(c+=3+f-5)}}for(d=0;b-1>d;d++){for(e=0;b-1>e;e++){j=0,a.isdark(d,e)&&j++,a.isdark(d+1,e)&&j++,a.isdark(d,e+1)&&j++,a.isdark(d+1,e+1)&&j++,(0==j||4==j)&&(c+=3)}}for(d=0;b>d;d++){for(e=0;b-6>e;e++){a.isdark(d,e)&&!a.isdark(d,e+1)&&a.isdark(d,e+2)&&a.isdark(d,e+3)&&a.isdark(d,e+4)&&!a.isdark(d,e+5)&&a.isdark(d,e+6)&&(c+=40)}}for(e=0;b>e;e++){for(d=0;b-6>d;d++){a.isdark(d,e)&&!a.isdark(d+1,e)&&a.isdark(d+2,e)&&a.isdark(d+3,e)&&a.isdark(d+4,e)&&!a.isdark(d+5,e)&&a.isdark(d+6,e)&&(c+=40)}}for(k=0,e=0;b>e;e++){for(d=0;b>d;d++){a.isdark(d,e)&&k++}}return l=math.abs(100*k/b/b-50)/5,c+=10*l}},qrmath={glog:function(a){if(1>a){throw new error("glog("+a+")")}return qrmath.log_table[a]},gexp:function(a){for(;0>a;){a+=255}for(;a>=256;){a-=255}return qrmath.exp_table[a]},exp_table:new array(256),log_table:new array(256)},i=0;8>i;i++){qrmath.exp_table[i]=1<<i}for(i=8;256>i;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(i=0;255>i;i++){qrmath.log_table[qrmath.exp_table[i]]=i}qrpolynomial.prototype={get:function(a){return this.num[a]},getlength:function(){return this.num.length},multiply:function(a){var c,d,b=new array(this.getlength()+a.getlength()-1);for(c=0;c<this.getlength();c++){for(d=0;d<a.getlength();d++){b[c+d]^=qrmath.gexp(qrmath.glog(this.get(c))+qrmath.glog(a.get(d)))}}return new qrpolynomial(b,0)},mod:function(a){var b,c,d;if(this.getlength()-a.getlength()<0){return this}for(b=qrmath.glog(this.get(0))-qrmath.glog(a.get(0)),c=new array(this.getlength()),d=0;d<this.getlength();d++){c[d]=this.get(d)}for(d=0;d<a.getlength();d++){c[d]^=qrmath.gexp(qrmath.glog(a.get(d))+b)}return new qrpolynomial(c,0).mod(a)}},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(a,b){var d,e,f,g,h,i,j,c=qrrsblock.getrsblocktable(a,b);if(void 0==c){throw new error("bad rs block @ typenumber:"+a+"/errorcorrectlevel:"+b)}for(d=c.length/3,e=new array(),f=0;d>f;f++){for(g=c[3*f+0],h=c[3*f+1],i=c[3*f+2],j=0;g>j;j++){e.push(new qrrsblock(h,i))}}return e},qrrsblock.getrsblocktable=function(a,b){switch(b){case qrerrorcorrectlevel.l:return qrrsblock.rs_block_table[4*(a-1)+0];case qrerrorcorrectlevel.m:return qrrsblock.rs_block_table[4*(a-1)+1];case qrerrorcorrectlevel.q:return qrrsblock.rs_block_table[4*(a-1)+2];case qrerrorcorrectlevel.h:return qrrsblock.rs_block_table[4*(a-1)+3];default:return void 0}},qrbitbuffer.prototype={get:function(a){var b=math.floor(a/8);return 1==(1&this.buffer[b]>>>7-a%8)},put:function(a,b){for(var c=0;b>c;c++){this.putbit(1==(1&a>>>b-c-1))}},getlengthinbits:function(){return this.length},putbit:function(a){var b=math.floor(this.length/8);this.buffer.length<=b&&this.buffer.push(0),a&&(this.buffer[b]|=128>>>this.length%8),this.length++}};