首先要准备环境：
jquery-1.8.3_min.js和jquery.qrcode.min.js jquery 版本可以自己选，由于qrcode的渲染方式render中的Canvas是html5的东西，所以会有兼容性问题，所以要想兼容好，就用table方式渲染。 jquery.qrcode.min.js由于公司网络安全问题无法上传和拷贝文件，所以将代码粘贴如下，直接复制到一个txt文档中，重命名为jquery.qrcode.min.js即可，已经验证。
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p.RS_BLOCK_TABLE[4*(a-1)+1];case 3:return p.RS_BLOCK_TABLE[4*(a-{{.length},putBit:c=Math.floor(this.length/8);this.buffer.length<=c&&this.buffer.push(0);a&&(this.buffer[c]|=128>>>this.length%8);this.length++}};”string”===typeof h&&(h={text:h});h=r.extend({},{render:”canvas”,width:256,height:256,typeNumber:-1,correctLevel:{var a;if(“canvas”==h.render){a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();var c=document.createElement(“canvas”);c.width=h.width;c.height=h.height;for(var d=c.getContext(“2d”),b=h.width/a.getModuleCount(),e=h.height/a.getModuleCount(),f=0;f<a.getModuleCount();f++)for(var i=0;i<a.getModuleCount();i++){d.fillStyle=a.isDark(f,i)?h.foreground:h.background;var g=Math.ceil((i+1)*b)-Math.floor(i*b),j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r(“<table></table>”).css(“width”,h.width+”px”).css(“height”,h.height+”px”).css(“border”,”0px”).css(“border-collapse”,”collapse”).css(“background-color”,h.background);d=h.width/a.getModuleCount();b=h.height/a.getModuleCount();for(e=0;e<a.getModuleCount();e++){f=r(“<tr></tr>”).css(“height”,b+”px”).appendTo(c);for(i=0;i<a.getModuleCount();i++)r(“<td></td>”).css(“width”,d+”px”).css(“background-color”,a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;jQuery(a).appendTo(this)})}})(jQuery);页面代码当一个人把寂寞当作人生预约的美丽，
