windowListener() {
      let that = this;
      if(this.userEditType == 1 && this.addPersonFlag && this.isShowUserEdit){//点击返回的时候，满足联系人dialog开启了的条件的就关闭dialog，阻止返回上一页
        this.isShowUserEdit = false;
        this.addPersonFlag = false;
        that.pushHistory();
        return
      }
      if (this.addPersonFlag && !this.isShowUserEdit) {//根据条件关闭dialog，阻止返回上一页
        this.addPersonFlag = false;
        that.pushHistory();
        return;
      }
      if (this.addPersonFlag && this.isShowUserEdit) {//根据条件关闭dialog，阻止返回上一页
        this.isShowUserEdit = false;
        this.addPersonFlag = true;
        that.pushHistory();
        return;
      }
      if (!this.addPersonFlag && !this.isShowUserEdit) {//dialog都关闭的，点了返回，看用户是否真的要返回
        weui.confirm("确定要取消报名吗？", {
          title: "提示",
          buttons: [
            {
              label: "取消",
              type: "default",
              onClick: function() {//不返回，就阻止原生返回
                that.pushHistory();
              }
            },
            {
              label: "确定",
              type: "primary",
              onClick: function() {//返回就返回到指定页面，注：推荐上一页是有规律的情况下使用，如果不是固定的，就用session记录pushHistory()执行的次数，返回到pushHistory()执行的次数的前一页才是正确的上一页这里就不多做解释
                that.$router.replace({//跳转
                  path: `/app/act/${that.$route.query.iid}/detail_test/${
                    that.$route.query.actId
                  }?saleR=${
                    that.$route.query.saleR ? that.$route.query.saleR : ""
                  }&disrParentMultiDisKey=${
                    that.$route.query.disrParentMultiDisKey
                      ? that.$route.query.disrParentMultiDisKey
                      : ""
                  }`
                });
              }
            }
          ],
          isAndroid: false
        });
      }
    },
    pushHistory() {//阻止返回上一页的方法，原理就是在历史记录里插上一条当前的页面
      let state = {
        title: "",
        url: window.location.href
      };
      window.history.pushState(state, state.title, state.url);
    },

mounted

this.pushHistory();
window.addEventListener("popstate", this.windowListener, false);//监听物理返回键

beforeDestroy() {
   window.removeEventListener("popstate", this.windowListener);
 },