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                ### js生成二維碼以及插入圖片 先根據qrcode官網demo,不同屬性值的變化,二維碼的變化效果:https://larsjung.de/jquery-qrcode/latest/demo/ 進入demo中,審查元素查看里面引用的js文件,你會發現jquery-qrcode-0.14.0.js,這個版本支持二維碼中插入圖片。 下面是我寫的一個列子: > 引用js: ~~~ <script type="text/javascript" src="jquery-1.11.2.min.js"></script> <script type="text/javascript" src="jquery-qrcode-0.14.0.js"></script> ~~~ ### index.html ~~~ <!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>生成二維碼</title> <script type="text/javascript" src="jquery-1.11.2.min.js"></script> <script type="text/javascript" src="jquery-qrcode-0.14.0.js"></script> <script type="text/javascript" src=" xyqrcode.js"></script> <script type="text/javascript"> $(document).ready(function(){ var options={}; options.url="http://www.baidu.com"; //二維碼的鏈接 options.dom="#code";//二維碼生成的位置 options.image=$('#img-buffer')[0];//圖片id options.render="canvas";//設置生成的二維碼是canvas格式,也有image、div格式 xyqrcode(options); }); </script> </head> <body> <div id="code"></div> <img id="img-buffer" src="gy.jpg"> </body> </html> ~~~ ### xyqrcode.js(給qrcode傳生成的二維碼屬性) ~~~ function xyqrcode(options) { var settings = { dom:'', render: 'canvas', //生成二維碼的格式還有image、div ecLevel:"H", text:"", background:"#ffffff", fill:"#333333", //二維碼紋路的顏色 fontcolor:"#ff9818", fontname:"Ubuntu", image:{}, label:"", mPosX:0.5, //圖片在X軸的位置 mPosY:0.5, //圖片在X軸的位置 mSize:0.27, //圖片大小 minVersion:10, mode:4, quiet:1, radius:1, size:400 }; if (options) { $.extend(settings, options);//options對象跟settings比較,相同的就替換,沒有的就添加 } if(settings.dom.length==0){ window.console.log("Error: dom empty!"); return; } if(settings.url.length==0){ window.console.log("Error: url empty!"); return; } settings.text=settings.url; //在qrcode生成二維碼的地址是text。這里就把url賦值給text $(settings.dom).qrcode(settings); } ~~~
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