微信小程序 form表单input变化时自动搜索

inputTyping: function (e) {
    var title = e.detail.value;
    console.log(e)
    // 加载新数据
    this.setData({
      inputVal: e.detail.value,
    });
    //加载数据
    var that = this
    wx.showLoading({
      title: ''
    })
    //获取该栏目下的列表
    wx.request({
      url: config.api_base_url + 'index/post_search_list' ,
      header: {
        'content-type': 'application/json' // 默认值
      },
      data: {
        keyword: title,
      },
      success(res) {
        console.log(res.data.msg.length)
        if (res.data.msg.length == 0) {
          that.setData({
            list_is: false
          })
        }else{
          that.setData({
            list_is: true
          })
        }
        that.setData({
          list: res.data.msg,
        })
      }
    })
    setTimeout(function () {
      wx.hideLoading()
    }, 2000)

  },