warewms-PDA/components/scam/scam.vue

<template>
  <view class="content"></view>
</template>

<script>
// #ifdef APP-PLUS
var main, receiver, filter;
var _codeQueryTag = false;
export default {
  data() {
    return {
      scanCode: "",
    };
  },
  created: function (option) {
    this.initScan();
    this.startScan();
  },
  onHide: function () {
    this.stopScan();
  },
  destroyed: function () {
    /*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*/
    this.stopScan();
  },
  methods: {
    initScan() {
      let _this = this;
      main = plus.android.runtimeMainActivity(); //获取activity
      var IntentFilter = plus.android.importClass(
        "android.content.IntentFilter"
      );
      filter = new IntentFilter();
      filter.addAction("nlscan.action.SCANNER_RESULT"); // 换你的广播动作
      receiver = plus.android.implements(
        "io.dcloud.feature.internal.reflect.BroadcastReceiver",
        {
          onReceive: function (context, intent) {
            plus.android.importClass(intent);
            let code = intent.getStringExtra("SCAN_BARCODE1"); // 换你的广播标签
            _this.queryCode(code);
          },
        }
      );
    },
    startScan() {
      main.registerReceiver(receiver, filter);
    },
    stopScan() {
      main.unregisterReceiver(receiver);
    },
    queryCode: function (code) {
      //防重复
      if (_codeQueryTag) return false;
      _codeQueryTag = true;
      setTimeout(function () {
        _codeQueryTag = false;
      }, 150);
      var id = code;
      uni.$emit("scancodedate", { code: id });
    },
  },
};
// #endif
</script>