无论是在手机网站还是手机APP中，扫码功能都是比较常见的，本文将带你实现H5+APP扫码功能，使用Barcode模块(H5+Mui)条码扫描识别插件
插件导入
先导入Barcode模块到项目中。
扫码功能实现页面
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| <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta name="HandheldFriendly" content="true" />
<meta name="MobileOptimized" content="320" />
<title> 司机端二维码扫码</title>
<script src="../js/mui.min.js"></script>
<script type="text/javascript" src="../js/common.js"></script>
<script type="text/javascript" src="../js/app.js"></script>
<script type="text/javascript" src="../js/base.js"></script>
<script type="text/javascript">
var ws = null,
wo = null;
var scan = null,
domready = false;
//
mui.init();
// H5 plus事件处理
function plusReady() {
if(ws || !window.plus || !domready) {
return;
}
// 获取窗口对象
ws = plus.webview.currentWebview();
wo = ws.opener();
// 开始扫描
ws.addEventListener('show', function() {
scan = new plus.barcode.Barcode('bcid');
scan.onmarked = onmarked;
scan.start({
conserve: true,
filename: '_doc/barcode/'
});
//console.log('scan on ...');
}, false);
// 显示页面并关闭等待框
ws.show('pop-in');
//console.log('scan it ...');
//wo.evalJS('closeWaiting()');
}
if(window.plus) {
plusReady();
} else {
document.addEventListener('plusready', plusReady, false);
}
// 监听DOMContentLoaded事件
document.addEventListener('DOMContentLoaded', function() {
domready = true;
plusReady();
}, false);
// 二维码扫描成功
function onmarked(type, result, file) {
//console.log('scan result ...');
switch(type) {
case plus.barcode.QR:
type = 'QR';
break;
case plus.barcode.EAN13:
type = 'EAN13';
break;
case plus.barcode.EAN8:
type = 'EAN8';
break;
default:
type = '其它' + type;
break;
}
result = result.replace(/\r\n/g, '');
if(result){
if(result == ""){
var err = "请扫描正确有效的二维码！";
doSpeaking(err);
mui.toast(err);
}else{
try {
var json = JSON.parse(result);
//验票逻辑处理
if(json.TicketId){
QRScan(json);
}else{
var err = "请扫描正确有效的二维码！";
doSpeaking(err);
mui.toast(err);
}
}
catch(err){
var err = "请扫描正确有效的二维码！";
doSpeaking(err);
mui.toast(err);
}
}
}else{
var err = "请扫描正确有效的二维码！";
doSpeaking(err);
mui.toast(err);
}
//wo.evalJS("scaned('" + type + "','" + result + "','" + file + "');");
back();
}
// 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');
});
}, function(err) {
console.log('Failed: ' + err.message);
});
}
/*
* 依据扫码结果提交电子票数据
* @param json 扫码结果处理
*/
function QRScan(json) {
var nwaiting = plus.nativeUI.showWaiting();
var params = {};
params.token = getTokenStr(); //token
params.order_id = json.TicketId;
var url_ = getNetUrl('handCheckTicketUrl');
//mui.toast(JSON.stringify(url_)+' '+JSON.stringify(params));
var result = getDataByPost(params, url_); //提交数据 {code:'-1',msg:'Test...'}
//mui.toast(JSON.stringify(result));
if (result.code == '0') {
var str_ = " 验票成功 ，总共 " + result.count + " 位乘客 。";
doSpeaking(str_);
mui.toast(str_);
} else {
var str_ = " 验票失败 原因：" + result.msg;;
doSpeaking(str_);
mui.toast(str_);
}
nwaiting.close();
}
</script>
<link rel="stylesheet" href="../css/common.css" type="text/css" charset="utf-8" />
<style type="text/css">
#bcid {
width: 100%;
position: absolute;
top: 0px;
bottom: 44px;
text-align: center;
}
.tip {
color: #FFFFFF;
font-weight: bold;
text-shadow: 0px -1px #103E5C;
}
footer {
width: 100%;
height: 44px;
position: absolute;
bottom: 0px;
line-height: 44px;
text-align: center;
color: #FFF;
}
.fbt {
width: 100%;
height: 100%;
background-color: #177DE6;
float: left;
}
.fbt:active {
-webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.5);
box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.5);
}
</style>
</head>
<body style="background-color: #000000;">
<div id="bcid">
<div style="height:40%"></div>
<p class="tip">...载入中...</p>
</div>
<footer>
<div class="fbt" onclick="back()">取 消</div>
<!--<div class="fbt" onclick="scanPicture()">从相册选择二维码</div>-->
</footer>
</body>
</html>
|
扫码功能调用
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| //扫码按钮事件
qrButton.addEventListener('tap', function(event) {
mui.openWindow({
url: 'qrCode.html',
id: 'qrCode',
show: {
aniShow: 'pop-in'
}
});
});
|
实现效果
