图1为二维码效果图，图二是扫码后返回结果并关闭扫码页面。
直接上代码
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<meta name="apple-mobile-web-app-capable" content="yes">
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<link href="../../WEB-INF/plug/mui/css/mui.min.css" rel="stylesheet" />
<script src="../../WEB-INF/plug/mui/js/mui.min.js"></script>
<script type="text/javascript" src="../../WEB-INF/plug/js/security.js"></script>
<script type="text/javascript" src="../../WEB-INF/plug/js/common.js"></script>
<style type="text/css">
#bcid {
width: 100%;
height: 100%;
position: absolute;
background: #000000;
}
html,
body,
div {
height: 100%;
width: 100%;
}
.fbt {
color: #ffffff;
width: 50%;
float: left;
line-height: 44px;
text-align: center;
}
</style>
</head>
<body>
<header class="mui-bar mui-bar-nav" style="background-color: rgba(221, 221, 221, 0);z-index: 99999;">
<h1 class="mui-title" style="color: #ffffff;">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 style="background-color: rgba(221, 221, 221, 0);z-index: 99999" 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">
var height = window.innerHeight + 'px'; //获取页面实际高度
var width = window.innerWidth + 'px';
document.getElementById("bcid").style.height = height;
document.getElementById("bcid").style.width = width;
scan = null; //扫描对象
mui.plusReady(function() { //通过mui初始化扫描
mui.init();
setTimeout("startRecognize()", 300)
});
function startRecognize() { //开启扫描
try {
var filter;
//自定义的扫描控件样式
var styles = {
frameColor: "#29E52C",
scanbarColor: "#29E52C",
background: "rgba(255,255,255,-20)"
}
//扫描控件构造
scan = new plus.barcode.Barcode('bcid', filter, styles);
scan.onmarked = onmarked;
scan.onerror = onerror; //扫描错误
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) {
mui.toast("出现错误啦:\n" + e)
}
};
function onerror(e) { //错误弹框
alert(e);
};
function onmarked(type, result) { //这个是扫描二维码的回调函数，type是扫描二维码回调的类型
var text = '';
switch(type) { //QR,EAN13,EAN8都是二维码的一种编码格式,result是返回的结果
case plus.barcode.QR:
text = 'QR: ';
break;
case plus.barcode.EAN13:
text = 'EAN13: ';
break;
case plus.barcode.EAN8:
text = 'EAN8: ';
break;
}
smresult(result);
};
// 从相册中选择二维码图片
function scanPicture() { //可以直接识别二维码图片
plus.gallery.pick(function(path) {
plus.barcode.scan(path, onmarked, function(error) {
//plus.nativeUI.alert("无法识别此图片");
mui.toast("无法识别此图片");
});
}, function(err) {
plus.nativeUI.alert("Failed: " + err.message);
});
}
//关闭扫码页面
function closeSm() {
scan.close();
plus.webview.currentWebview().close('none');
}
//结果处理
function smresult(result) {
var bType = getBarcodeType(result);//二维吗类型
var type = localStorage.getItem("type");
if(type == "addfile") {
//添加档案扫码处理
if(bType==TMLX_JDCDA||bType==TMLX_JSZDA) {
var tmnr = result;
tmnr = getUrlp(tmnr);
var params = "{" + "'method':'getTmxx'," + "'tmnr':" + "'" + tmnr + "'" + "}"
var datajson = eval('(' + getData(params) + ')');
var str = '<li><input class="file-num" value="' + datajson.obj.FILE_NUMBER + '" type="text" /><i onclick="remove(this)">╳</i></li>'
var wn = plus.webview.currentWebview(); //获取当前窗口的WebviewObject对象，即B
var wvA = wn.opener(); //获取当前窗口的创建者，即A
wvA.evalJS("addNew('" + str + "')"); //执行父窗口中的方法 A中的addNew方法
plus.webview.currentWebview().close(); //扫码成功，关闭当前webview
} else {
mui.toast("请扫描档案二维码")
scan.start();
}
} else if(type == "getgezi") {
//扫码格子获取格子信息
if(bType==TMLX_JDCDA||bType==TMLX_JSZDA) {
gezism(result);
var wn = plus.webview.currentWebview(); //获取当前窗口的WebviewObject对象，即B
var wvA = wn.opener(); //获取当前窗口的创建者，即A
wvA.evalJS("addGeZi('" + str + "')"); //执行父窗口中的方法 A中的addNew方法
plus.webview.currentWebview().close(); //扫码成功，关闭当前webview
localStorage.setItem("ifFrist", "none"); //设置不是首次调用
}else{
mui.toast("请扫描格子二维码")
scan.start();
}
} else if(type == "sys") {
if(bType == TMLX_GEZI) {
/**条码类型：格子*/
var btnArray = ['取消', '确认'];
mui.confirm("是否进行入库操作？", "提示", btnArray, function(e) {
if(e.index == 1) {
localStorage.setItem("ifFrist", "none"); //设置不是首次调用避免重复扫码
localStorage.setItem("sysSign", "true");
var str =gezism(result);
localStorage.setItem("str", str);
var webview = mui.openWindow({
url: "../rk/rk.html",
id: "rk.html",
waiting: {
autoShow: false //自动显示等待框，默认为true
},
createNew: true
});
setTimeout("plus.webview.currentWebview().close()", 300)//扫码成功，关闭当前webview
} else {
scan.start();
}
});
} else if(bType == TMLX_JDCDA) {
/**条码类型：机动车档案*/
alert("条码类型：机动车档案");
scan.start();
} else if(bType == TMLX_JSZDA) {
/**条码类型：驾驶证档案*/
alert("条码类型：驾驶证档案");
scan.start();
} else if(bType == TMLX_DAG) {
/**条码类型：档案柜*/
alert("条码类型：档案柜");
scan.start();
}
}
}
//格子扫码操作
function gezism(result) {
var tmnr = result;
tmnr = getUrlp(tmnr);
var params = "{" + "'method':'getTmxx'," + "'tmnr':" + "'" + tmnr + "'" + "}"
var datajson = eval('(' + getData(params) + ')');
//获取格子最大序号
var param2 = "{" + "'method':'getDaccxh'," + "'gzcode':" + "'" + datajson.obj.GZCODE + "'" + "}"
var dataxh = eval('(' + getData(param2) + ')');
var str = '<li><i>编码：' + datajson.obj.GZCODE + '</i><i>已存数：' + dataxh.obj.xh + '</i></li>';
str += '<li><i>行：' + datajson.obj.ROS + '</i><i>列：' + datajson.obj.COLS + '</i><i>面：' + datajson.obj.ASPECT + '</i></li>'
localStorage.setItem("gzcode", datajson.obj.GZCODE); //gz保存code
return str;
}
</script>
</body> </html>
