changeStateFun: function (event) {
    console.log(event, '切换订单状态')
    const that = this;
　　// 节流
    if (that.data.flag == false) { //一进来如果是点过了 那么就阻止
      return
    }
    that.setData({ // 如果没点过 这次点击 切换为点过了
      flag: false
    })
    let index = event.detail.index;
    that.setData({
      orderList: [],
      page_count: 1,
      page_index: 1,
      no_more: true
    })
    switch (index) {
      case 1:
        that.data.order_status = 1; //待提货
        break;
      case 2:
        that.data.order_status = 3; //已提货
        break;
      case 3:
        that.data.order_status = 4; //已完成 
        break;
      default:
        that.data.order_status = '' //全部
        break;
    }

    that.getOrderList()
  },
  //获取订单列表数据
  getOrderList: function () {
    const that = this;
    let orderlist = '';
    let order_status = that.data.order_status;
    let postData = {
      'order_status': order_status,
      'page_size': that.data.page_size,
      'page_index': that.data.page_index,
      'search_text': that.data.search_text

    }
    let datainfo = requestSign.requestSign(postData);
    header.sign = datainfo
    return new Promise((resolve, reject) => {
      wx.request({
        url: api.get_StoreOrderList,
        data: postData,
        header: header,
        method: 'POST',
        dataType: 'json',
        responseType: 'text',
        success: (res) => {
          console.log(res, '订单列表')
          if (res.data.code > 0) {
            // 如果是第一页的时候直接赋值即可
            if (that.data.page_index == 1) {
              that.setData({
                orderList: res.data.data.order_list,
                page_count: res.data.data.page_count
              })
　　　　　　　　　　　　// 之前切换的时候 操作数据 会自动拼接所以多做了这一步骤
            } else {
              // 反之则才会拼接数据
              that.setData({
                orderList: that.data.orderList.concat(res.data.data.order_list),
                page_count: res.data.data.page_count
              })
            }
            if (that.data.page_index == that.data.page_count) {
              that.setData({
                no_more: false
              })
            }
          } else {
            wx.showToast({
              title: res.data.message,
              icon: 'none'
            })
          }
        },
        fail: (res) => {},
        complete: function () {
          that.data.flag = true;
        }
      })
    })
  },