2，uniapp功能之—扫码（条形码，二维码）点击扫码或者pda侧边按钮扫码
<template>
<view class="Big">
<view id="page">
<text v-if="isKeshi" class="nameSty">扫描二维码获取</text>
<text v-if="!isKeshi" class="nameSty">{{codes}}</text>
</view>
</view>
</template>
<script>
var main, receiver, filter;
var _codeQueryTag = false;
export default {
name:"nfc",
data() {
return {
codes:'',//code
isKeshi:true,//提示字显影
nameStys:false,//动态样式
};
},
created(option) {
this.initScan();
this.startScan();
},
onHide() {
this.stopScan();
},
destroyed() {
this.stopScan();
},
methods:{
initScan() {
let _this = this;
main = plus.android.runtimeMainActivity(); //获取activity
let IntentFilter1 = plus.android.importClass('');
filter = new IntentFilter1();
filter.addAction(""); // 换你的广播动作
receiver = plus.android.implements('', {
onReceive: function(context, intent) {
plus.android.importClass(intent);
let code = intent.getStringExtra("scannerdata"); // 换你的广播标签
_this.codes = code;
_this.queryCode(code);
//传值，去除换行字符
_this.$emit("setData",code.replace(/\n/g,""));
_this.isKeshi = false;
}
});
},
startScan() {
main.registerReceiver(receiver, filter);
},
stopScan() {
main.unregisterReceiver(receiver);
},
queryCode(code) {
//防重复
if (_codeQueryTag) return false;
_codeQueryTag = true;
setTimeout(function() {
_codeQueryTag = false;
}, 150);
let id = code
},
// 点击扫码，或者直接用pda侧边的扫码按钮扫码都可以实现
ScanCode() {
let main1 = plus.android.runtimeMainActivity(); //获取acitivity
let Intent = plus.android.importClass("");
let intent2 = new Intent("");
main1.sendBroadcast(intent2);
},
},
}
</script>
<style>
.Big{
width: 220px;
}
.nameSty{
height: 30px;
width: 220px !important;
line-height: 30px;
font-size: 18px;
font-weight: bold;
color: #828282 !important;
}
/deep/.u-size-default,/deep/.uni-input-input{
font-size: 18px;
}
</style>