二维码扫描并对扫描结果实现页面传值

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<!doctype html><html>   <head><meta charset="UTF-8"><title></title><meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /><link href="css/mui.min.css" rel="stylesheet" /><script src="js/mui.min.js"></script><style type="text/css">#bcid{width: 100%;height: 100%;position: absolute;background: #000000;}html, body ,div{height:100%;width: 100%;}.fbt{color: #0E76E1;width: 50%;background-color: #ffffff;float: left; line-height: 44px;text-align: center;}</style>   </head>    <body><header class="mui-bar mui-bar-nav" style="background-color: #ffffff;">  <a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>  <h1 class="mui-title" style="color: #0E76E1;">发货二维码扫描</h1>  <span class="mui-icon mui-icon-spinner-cycle mui-spin mui-pull-right" id="turnTheLight"></span></header><div id="bcid">        <!--盛放扫描控件的div-->  </div><div class="mui-bar mui-bar-footer" style="padding: 0px;"><div class="fbt" onclick="scanPicture();">从相册选择二维码</div><div class="fbt mui-action-back">取　 消</div></div><script type="text/javascript">mui.init({swipeBack: false//页面右滑关闭功能，默认未启用，若要启用右滑关闭功能，则设为true});var currentWebview       scan = null;//扫描对象       var scanSendCodeValue;mui.plusReady(function () {          startRecognize();  currentWebview = plus.webview.currentWebview();       });function startRecognize(){   try{  var filter = [plus.barcode.QR];  //自定义的扫描控件样式 var styles = {frameColor: "#29E52C",scanbarColor: "#29E52C",background: ""}//扫描控件构造scan = new plus.barcode.Barcode('bcid',filter,styles);scan.onmarked = onmarked; scan.onerror = onerror;scan.start();//打开关闭闪光灯处理var flag = false;document.getElementById("turnTheLight").addEventListener('tap',function(){   if(flag == false){      scan.setFlash(true);      flag = true;   }else{     scan.setFlash(false);     flag = false;  }});  }catch(e){//使用try...catch来进行异常处理alert("出现错误啦:\n"+e);     }  };function onerror(e){alert(e);};function onmarked( type, result ) {var text = '';switch(type){case plus.barcode.QR:text = 'QR: ';break;//case plus.barcode.EAN13://text = 'EAN13: ';//break;//case plus.barcode.EAN8://text = 'EAN8: ';//break;}var toSendWebview = plus.webview.getWebviewById('toSend.html');//触发自定义事件，实现页面传值mui.fire(toSendWebview, 'sendScanSuccess', {"scanSendCodeValue":result});plus.webview.currentWebview().close();};    // 从相册中选择二维码图片 function scanPicture() {    plus.gallery.pick(function(path){    plus.barcode.scan(path,onmarked,function(error){plus.nativeUI.alert( "无法识别此图片" );});    });}        </script></body></html>
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