微信小程序带清除按钮和搜索记录的实时搜索页面

近期开发小程序遇到个需求，需要在Input框中加一个清除按钮清除input框中的内容以及实时搜索

页面效果（未输入内容）：

有内容时样式:

wxml代码：

  
    
    
    
  
 
  
     
        搜索历史
     
     
  

  
     暂无搜索记录
     {{item}}
  

   
       
          {{item.projectName}}
       
        暂无相关内容
  

wxss代码：

.key{
  width:auto;
  height:48rpx;
  line-height: 48rpx;
  background:rgba(246,246,246,1);
  border-radius:30rpx;
  padding: 5rpx 30rpx;
  font-weight:300;
  color: #4A4A4A;
  float:left;
  margin-right: 10rpx;
  margin-bottom: 30rpx;
  margin-left: 10rpx;
}

.list{
  padding-left: 10rpx;
}

.search_title{
   margin: 40rpx 20rpx 40rpx 30rpx;
}
.search_title image{
    width: 48rpx;
    height: 48rpx;
}

.search_result{
  position:fixed;
  left:0;
  right:0;
  top:80rpx;
  bottom:0;
  background:#ffffff;
  font-size: 26rpx;
  overflow: scroll;
  padding-bottom: 30rpx;
}

.search_result>view{
  width: 690rpx;
  border-bottom:1rpx solid rgba(239,239,239,1);
  margin: auto;
  padding:30rpx 0;
  color: #070707;
  font-weight:400;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.search_result>view:nth-last-child(1){
   border-bottom: none;
}

.cancle_btn{
  position: absolute;
  right: 40rpx;
  top:15rpx;
  width: 48rpx;
  height: 48rpx;
  z-index: 999;
}

.search_input {
  width: 620rpx;
  height: 72rpx;
  background: rgba(247, 247, 247, 1);
  border-radius: 36rpx;
  padding-left: 80rpx;
  margin: auto;
  font-size: 24rpx;
}

.search_input input{
  line-height:72rpx;
  height:72rpx;
  width:500rpx;
}

.search_icon {
  position: absolute;
  left: 60rpx;
  top: 23rpx;
}

.search_placeholder {
  color: #cacaca;
}

.cancle_btn{
  position: absolute;
  right: 40rpx;
  top:15rpx;
  width: 48rpx;
  height: 48rpx;
  z-index: 999;
}

.container {
  padding: 0 0 100rpx;
  font-size: 29rpx;
  overflow: scroll;
}

.no_more {
  text-align: center;
  font-weight: 400;
  color: rgba(107, 107, 107, 1);
  margin-bottom: 30rpx;
}


.flex {
  display: flex;
}

.space_between {
  justify-content: space-between;
}

.space_around {
  justify-content: space-around;
}

.align_center {
  align-items: center;
}

js代码:

var network = require("../../utils/network.js");

Page({

  /**
   * 页面的初始数据
   */
  data: {
    list: [],
    inputValue: null,
    resultList:[]
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var _this = this;
    wx.getStorage({
      key: 'historySearch',
      success(res) {
        _this.setData({
          list: res.data
        })
      }
    })
  },
  blur: function (e) {
    this.setData({
      inputValue: e.detail.value
    })
    this.search();
  },
  search:function(){
    var _this = this
    network.requestLoading('projectAppList', { projectName: this.data.inputValue }, '', function (res) {
      if (res.respState == 'S') {
        _this.setData({
          resultList: res.dtos
        })
      }

    }, function () {
      wx.showToast({
        title: '搜索失败',
        icon: 'none'
      })
    })
  },
  save: function () {
    var list = this.data.list;
    if (list.indexOf(this.data.inputValue) == -1 & this.data.inputValue != '') {
      list.push(this.data.inputValue);
    }
    this.setData({
      list: list
    })
    wx.setStorage({
      key: 'historySearch',
      data: list
    })
    
  },
  searchName: function (e) {
    this.setData({
      inputValue: e.currentTarget.dataset.value
    })
    this.search();
  },
  remove: function () {
    var _this = this;
    wx.showModal({
      title: '提示',
      content: '确认清空所有记录?',
      success(res) {
        if (res.confirm) {
          wx.removeStorage({
            key: 'historySearch',
            success() {
              _this.setData({
                list: []
              })
            }
          })
        } else if (res.cancel) {
          console.log('用户点击取消')
        }
      }
    })

  },
  clean:function(){
     var _this=this
    setTimeout(function () {
      _this.setData({
        inputValue: '',

      })
    },100)
  },
  detail: function (e) {
    this.save();
    wx.navigateTo({
      url: '../projectDetail/projectDetail?id=' + e.currentTarget.dataset.id,
    })

  }

network.js：

var cryptData = require("cryptData.js");


var app = getApp();
const HOST = app.globalData.HOST;

function request(url, params, success, fail) {
  this.requestLoading(url, params, "", success, fail)
}
// 展示进度条的网络请求
// url:网络请求的url
// params:请求参数
// message:进度条的提示信息
// success:成功的回调函数
// fail：失败的回调
function requestLoading(url, params, message, success, fail) {
  var ocryptData = cryptData.cryptData(params, url)
  wx.showNavigationBarLoading()
  if (message != "") {
    wx.showLoading({
      title: message,
    })
  }
  wx.request({
    url: HOST + '/gateWay',
    data: JSON.stringify(ocryptData),
    header: {
      //'Content-Type': 'application/json'
      'content-type': 'application/x-www-form-urlencoded'
    },
    method: 'post',
    success: function(res) {
      //console.log(res.data)
      wx.hideNavigationBarLoading()
      if (message != "") {
        wx.hideLoading()
      }
      if (res.statusCode == 200) {
        success(res.data.params)
        if (res.data.params.respState == 'F' && res.data.params.respShow=='Y'){
             wx.showToast({
               title: res.data.params.respMsg,
               icon:'none',
               duration:2000
             })  
        }
        if (res.data.params.respCode =='TK-INVALID'){
          wx.reLaunch({
            url: '../authorize/authorize',
          })
        }
      } else {
        fail()
      }

    },
    fail: function(res) {
      wx.hideNavigationBarLoading()
      if (message != "") {
        wx.hideLoading()
      }
      fail()
    },
    complete: function(res) {
      wx.stopPullDownRefresh()
    },
  })
}
module.exports = {
  request: request,
  requestLoading: requestLoading
}

遇到问题：未收起键盘情况下，安卓清除input框内容失败，收起键盘再点清除则没问题

解决方案延迟清除：

  clean:function(){
     var _this=this
    setTimeout(function () {
      _this.setData({
        inputValue: '',
      })
    },100)
  },