warewms-PDA/utils/scanCode.js

let main, receiver, filter;
let _codeQueryTag = false;

export const 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
        queryCode(code);
      },
    }
  );
};

export const startScan = () => {
  main.registerReceiver(receiver, filter);
};
export const stopScan = () => {
  main.unregisterReceiver(receiver);
  //解绑uni的全局$on 不然会有bug
  uni.$off("SCAN_CODE");
};
export const queryCode = (code) => {
  //防重复
  if (_codeQueryTag) return false;
  _codeQueryTag = true;
  setTimeout(function () {
    _codeQueryTag = false;
  }, 150);
  var id = code;
  //id就是扫码的结果
  uni.$emit("SCAN_CODE", { code: id });
};