微信小程式實現簡單搜尋功能

<view class="top">
  <view class="topsearch">
    <view class="frame">
      <input value="{{shoopingtext}}" bindinput="shoppinginput"></input>
    </view>
    <text bindtap="search">搜尋</text>
  </view>
</view>
<view class="history" wx:if="{{history}}">
  <view class="history_title">
    <text>歷史搜尋</text>
    <image src="/images/delete.png" mode="widthFix" style="width:5%;" bindtap="cleanhistory"></image>
  </view>
  <view class="history_text">
    <text wx:for="{{newArray}}" wx:key="key" data-text="{{item}}" bindtap="textfz">{{item}}</text>
  </view>
</view>
<view class="none" wx:if="{{noneview}}">
  <image src="/images/null.png" mode="widthFix" style="width:20%"></image>
  <text>抱歉，沒有相關商品</text>
</view>
<view class='swiper_con' wx:if="{{shoppinglist}}">
  <view class='swiper_con_view' wx:for="{{shoopingarray}}" wx:key="id" wx:if='{{item.status=="1"?true:false}}'>
    <image src="{{item.images}}" mode="widthFix" style="width:100%" data-status="{{item.status}}"></image>
    <view style="width:90%;margin:5%;">
      <text style="font-size:24rpx">{{item.title}}</text>
      <view class="swiper_con_view_view">
        <view style="width:80%;">
          <text style="font-size:24rpx;color:red;">￥{{item.money}}</text>
          <text style="font-size:18rpx;color:#B8B8B8;margin-left:5%;">已售{{item.sold}}</text>
        </view>
        <image src="/images/cart.png" mode="widthFix" style="width:10%;position:relative;left:8%;"></image>
      </view>
    </view>
  </view>
</view>

page{
  background-color: white;
}
 
.top {
  width: 100%;
  background-color: #f7f7f7;
}
 
.topsearch {
  width: 90%;
  margin-left: 5%;
  display: flex;
  padding: 2% 0;
  align-items: center;
}
 
.frame {
  background-color: white;
  width: 75%;
  border-radius: 20rpx;
  padding: 0 3%;
}
 
.frame>input {
  font-size: 24rpx;
  margin: 6rpx 0;
}
 
.topsearch>text {
  width: 10%;
  margin-left: 5%;
  color: #a8a7a7fa;
}
 
.history {
  background-color: white;
  padding: 4%;
}
 
.history_title {
  font-size: 30rpx;
  display: flex;
  justify-content: space-between;
  color: #a8a7a7fa;
  align-items: center;
}
 
.history_text {
  padding: 4% 0;
  display: flex;
  flex-wrap: wrap;
}
 
.history_text>text {
  background-color: #f7f7f7;
  padding: 1% 3%;
  margin: 2%;
  border-radius: 40rpx;
  font-size: 30rpx;
}
 
.history_text>text:first-child{
  margin-left: 0;
}
 
.none{
  margin-top: 10%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
 
.swiper_con {
  width: 96%;
  margin-left: 2%;
  display: flex;
  flex-wrap: wrap;
}
 
.swiper_con_view {
  width: 48%;
  height: 530rpx;
  background-color: white;
  margin: 10rpx 0;
}
 
.swiper_con_view:nth-child(even) {
  margin-left: 4%;
}
 
.swiper_con_view_view {
  margin-top: 5%;
  display: flex;
  align-items: center;
}

Page({
  //清除歷史記錄
  cleanhistory: function(e) {
    this.setData({
      history: false, //隱藏曆史記錄
      historyArray: [], //清空歷史記錄陣列
      newArray: [],
      shoopingtext: "" //清空搜尋方塊
    })
  },
  //搜尋
  search: function(e) {
    var searchtext = this.data.shoopingtext; //搜尋方塊的值
    var sss = true;
    if (searchtext != "") {
      //將搜尋方塊的值賦給歷史陣列
      this.data.historyArray.push(searchtext);
      //模糊查詢 迴圈查詢陣列中的title欄位
      for (var index in this.data.shoopingarray) {
        var num = this.data.shoopingarray[index].title.indexOf(searchtext);
        let temp = 'shoopingarray[' + index + '].status';
        if (num != -1) { //不匹配的不顯示
          this.setData({
            [temp]: 1,
          })
          sss = false //隱藏未找到提示
        }
      }
      this.setData({
        history: false, //隱藏曆史記錄
        noneview: sss, //隱藏未找到提示
        shoppinglist: true, //顯示商品列表
        newArray: this.data.historyArray //給新歷史記錄陣列賦值
      })
    } else {
      this.setData({
        noneview: true, //顯示未找到提示
        shoppinglist: false, //隱藏商品列表
        history: false, //隱藏曆史記錄
      })
    }
  },
  data: {
    shoopingtext: "", //搜尋方塊的值
    history: false, //顯示歷史記錄
    noneview: false, //顯示未找到提示
    shoppinglist: false, //顯示商品列表
    historyArray: [], //歷史記錄陣列,
    newArray: [], //新增歷史記錄陣列
    shoopingarray: [{ //商品
      id: 0,
      images: "/images/3201.png",
      title: "完達山甄選牧場酸奶飲品牛奶飲料常溫發酵乳包...",
      money: "88.00",
      sold: "78箱",
      status: 0
    }, {
      id: 1,
      images: "/images/3202.jpg",
      title: "網紅 天日鹽餅乾 粗糧早餐 代餐宿舍小吃零食 130g*...",
      money: "26.80",
      sold: "34包",
      status: 0
    }]
  },
  //搜尋方塊的值
  shoppinginput: function(e) {
    //當刪除input的值為空時
    if (e.detail.value == "") {
      this.setData({
        history: true, //顯示歷史記錄
        shoppinglist: false //隱藏商品列表
      });
      //所有商品列表的狀態改為0
      for (var index in this.data.shoopingarray) {
        let temp = 'shoopingarray[' + index + '].status';
        this.setData({
          [temp]: 0,
        })
      }
    }
    this.setData({
      shoopingtext: e.detail.value
    })
  },
  //點選歷史記錄賦值給搜尋方塊
  textfz: function(e) {
    this.setData({
      shoopingtext: e.target.dataset.text
    })
  }
})