selectPic(){
    if(!this.approvalIdentity){
      if(this.lifeCommonService.isWeiXin()){
        // 5.1 拍照、本地选图
        const t = this;
        wx.chooseImage({
          count: 1, // 默认9
          sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
          sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
          success: function (res) {
            this.localId = res.localIds[0]; // 返回选定照片的本地ID列表，localId可以作为img标签的src属性显示图片
            const THIS = t;
            wx.uploadImage({
              localId: this.localId, // 需要上传的图片的本地ID，由chooseImage接口获得
              isShowProgressTips: 1, // 默认为1，显示进度提示
              success: function (response) {
                THIS.serverId = response.serverId; // 返回图片的服务器端ID
                const m = {
                  mediaId: response.serverId,
                  origin: 'ydLife'
                };
                THIS.myService.mediaGet(m).subscribe(async e => {
                  if (e['success']) {
                    THIS.vxUrl = e['data']['imgUrl'];
                    THIS.changeDetectorRef.markForCheck();
                    THIS.changeDetectorRef.detectChanges();
                  } else {
                    alert(e['message']);
                  }
                });
              }
            });
          }
        });
      }else{
        this.openPopInfo('请在微信端操作！')
      }
    }
  }