<template>
<div class="scan">
<div id="bcid">
<div style="height:40%"></div>
<p class="tip">...载入中...</p>
</div>
<footer>
<button @click="startRecognize">1.创建控件</button>
<button @click="startScan">2.开始扫描</button>
<button @click="cancelScan">3.结束扫描</button>
<button @click="closeScan">4.关闭控件</button>
<button @click="setFlash">5.开启闪光灯</button>
<button @click="scanPicture">6.从相册中选择二维码图片</button>
</footer>
</div>
</template>
<script type='text/ecmascript-6'>
let scan = null
export default {
data () {
return {
codeUrl: '',
}
},
methods: {
// 创建扫描控件
startRecognize () {
let that = this
if (!window.plus) return
var filter;
//自定义的扫描控件样式
var styles = {frameColor: "#29E52C",scanbarColor: "#29E52C",background: ""}
scan = new plus.barcode.Barcode('bcid',filter,styles)
scan.onmarked = onmarked
scan.onerror = onerror; //扫描错误
function onmarked (type, result, file) {
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(/\n/g, '')
that.codeUrl = result
alert(result)
that.closeScan()
}
function onerror(e){ //错误弹框
alert(e);
}
},
// 开始扫描
startScan () {
if (!window.plus) return
scan.start()
},
// 关闭扫描
cancelScan () {
if (!window.plus) return
scan.cancel()
},
// 关闭条码识别控件
closeScan () {
if (!window.plus) return
scan.close()
},
// 开启闪光灯
setFlash() {
if (!window.plus) return
scan.setFlash();
},
scanPicture() { //可以直接识别二维码图片
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;
}
alert( text + " : "+ result );
};
plus.gallery.pick(function(path){
plus.barcode.scan(path,onmarked,function(error){
plus.nativeUI.alert( "无法识别此图片" );
});
},function(err){
plus.nativeUI.alert("Failed: "+err.message);
});
}
}
}
</script>
<style lang="less">
.scan {
height: 100%;
#bcid {
width: 100%;
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 3rem;
text-align: center;
color: #fff;
background: #ccc;
}
footer {
position: absolute;
left: 0;
bottom: 1rem;
height: 2rem;
line-height: 2rem;
z-index: 2;
}
}
</style>
