<template>
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<view class="content"></view>
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</template>
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<script>
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var main,receiver,filter;
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var _codeQueryTag = false;
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export default {
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name:"pdaScan",
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data() {
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return {
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scanCode: ''
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}
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},
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created: function (option) {
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// #ifdef APP-PLUS
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if (typeof plus !== 'undefined') {
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this.initScan()
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this.startScan();
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}
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// #endif
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},
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onHide:function(){
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// #ifdef APP-PLUS
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if (typeof plus !== 'undefined') {
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this.stopScan();
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}
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// #endif
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},
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destroyed:function(){
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/*页面退出时一定要卸载监听,否则下次进来时会重复，造成扫一次出2个以上的结果*/
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// #ifdef APP-PLUS
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if (typeof plus !== 'undefined') {
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this.stopScan();
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}
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// #endif
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},
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methods: {
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initScan() {
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let _this = this;
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main = plus.android.runtimeMainActivity();//获取activity
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var IntentFilter = plus.android.importClass('android.content.IntentFilter');
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filter = new IntentFilter();
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filter.addAction("android.intent.ACTION_DECODE_DATA"); // 换你的广播动作
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receiver = plus.android.implements('io.dcloud.feature.internal.reflect.BroadcastReceiver',{
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onReceive : function(context, intent) {
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plus.android.importClass(intent);
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let code = intent.getStringExtra("barcode_string");// 换你的广播标签
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_this.queryCode(code);
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}});
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},
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startScan(){
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main.registerReceiver(receiver,filter);
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},
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stopScan(){
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main.unregisterReceiver(receiver);
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},
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queryCode: function(code){
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//防重复
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if(_codeQueryTag)return false;
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_codeQueryTag = true;
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setTimeout(function(){
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_codeQueryTag = false;
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},150);
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var id = code
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uni.$emit('scancodedate',{code:id})
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}
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}
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}
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</script>
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<style>
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page {
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background-color: #efeff4;
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}
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.content {
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text-align: center;
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}
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</style>
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