Why does working in Android fail in IOS?
appId: process.env.APPID, // 
timestamp: timestamp, // 
nonceStr: nonceStr, // nonceStr
signature: createSignature(timestamp, nonceStr), // 
jsApiList: ["getLocation", "scanQRCode", "closeWindow"] // JSscanQRCodeView() {
      var _this = this;
      //
      weChatReady().then(() => {
        scanQRCode()
          .then(res => {
            console.log(res, "&&&&&&&&&");
            if (res.data.projectId && res.data.spaceId) {
              console.log("");
              let samaoMatch = {
                projectId: res.data.projectId,
                spaceId: res.data.spaceId
              };
              console.log(res.data.projectId, "res.data.projectId");
              console.log(this, "UUUUUUUUUUUUUUUUUUUU");
              console.log(_this, "PPPPPPPPPPPPPPPPPPP");
              _this.$emit("scanMathc", samaoMatch);
            } else {
              Toast("");
              return; //
            }
          })
          .catch(err => {
            Toast("");
            console.error(err);
          });
      });