javascript实现查询商品功能

2024-04-02 19:04:59 576人浏览安东尼

摘要

本文实例为大家分享了javascript实现查询商品功能的具体代码，供大家参考，具体内容如下这是没有点击查询的主界面图这是点击名称查询之后按照价格查询代码： <

本文实例为大家分享了javascript实现查询商品功能的具体代码，供大家参考，具体内容如下

这是没有点击查询的主界面图

这是点击名称查询之后

按照价格查询

代码：


<!DOCTYPE html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <title>JavaScript查询功能</title>
  <style>
  body{
   font-family: "微软雅黑";
   font-size: 18px;
  }
   table {
    width: 800px;
    border: 1px solid #000;
    border-collapse: collapse;
    margin: 0 auto;
   }
   td,th {
    border: 1px solid #000;
    text-align: center;
   }
   input {
    width: 70px;
   }
   .search {
    width: 600px;
    margin: 20px auto;
   }
  </style>
 </head>
 <body>
  <div class="search">
   按照价格查询: <input type="text" class="start"> - <input type="text" class="end">
   <button class="search-price">搜索</button>
   <br><br>
   按照商品名称查询: <input type="text" class="product">
   <button class="search-pro">查询</button>
  </div>
  <table>
   <thead>
    <tr>
     <th>产品名称</th>
     <th>价格</th>
     <th >处理器</th>
     <th >屏幕</th>
     <th >相机</th>
     <th >电池</th>
     <th >特色功能</th>
    </tr>
   </thead>
   <tbody>
   </tbody>
  </table>
  <script>
  // 利用新增数组方法操作数据
  var data = [
  {
   pname: '华为mateX2',
   price: 17999,
   processor:'麒麟9000',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为mate40Pro',
   price: 6599,
   processor:'麒麟9000',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为mate40',
   price: 4999,
   processor:'麒麟9000E',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为mate30Pro',
   price: 5499,
   processor:'麒麟990',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为mate30',
   price: 3599,
   processor:'麒麟990',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为P40Pro',
   price: 7999,
   processor:'麒麟990',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为P40',
   price: 3999,
   processor:'麒麟990',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '荣耀30Pro',
   price: 3999,
   processor:'麒麟990',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '华为mate20Pro',
   price: 1599,
   processor:'麒麟980',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '小米11Pro',
   price: 4799,
   processor:'高通骁龙888',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '小米11',
   price: 3799,
   processor:'高通骁龙888',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '小米Mix4',
   price: 5499,
   processor:'高通骁龙888',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '红米K40Pro',
   price: 2999,
   processor:'高通骁龙888',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: '红米K40',
   price: 1999,
   processor:'高通骁龙870',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: 'VivoX60Pro',
   price: 5499,
   processor:'高通骁龙888',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: 'VivoX60',
   price: 3499,
   processor:'猎户座',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  {
   pname: 'OPPOReno6Pro',
   price: '',
   processor:'高通骁龙888',
   screen:'',
   camera:'',
   Battery:'',
   CharacteristicFunction:'',
  },
  ];
   // 1. 定义和获取元素
   var tbody = document.querySelector('tbody');
   var search_price = document.querySelector('.search-price');
   var processor=document.querySelector('.processor');
   var screen=document.querySelector('.screen');
   var camera=document.querySelector('.camera');
   var Battery=document.querySelector('.Battery');
   var CharacteristicFunction=document.querySelector('.CharacteristicFunction');
   var start = document.querySelector('.start');
   var end = document.querySelector('.end');
   var product = document.querySelector('.product');
   
   setDate(data);
   // 2. 把数据渲染到页面中
   function setDate(mydata) {
    // 先清空原来tbody 里面的数据
    tbody.innerHTML = '';
    mydata.forEach(function(value) { 
     var tr = document.createElement('tr');
     tr.innerHTML = '<td>' + value.pname +'</td><td>'
     + value.price+'</td><td>'
     + value.processor+'</td><td>'
     + value.screen+'</td><td>'
     + value.camera+'</td><td>'
     + value.Battery+'</td><td>'
     + value.CharacteristicFunction+'</td>'
     ;
     tbody.appendChild(tr);
    });
   }
   // 3. 根据价格查询商品
   // 点击按钮,就可以根据商品价格去筛选数组里面的对象
   search_price.addEventListener('click', function() {
    var newDate = data.filter(function(value) {
     return value.price >= start.value && value.price <= end.value;
    });
    console.log(newDate);
    // 把筛选完之后的对象渲染到页面中
    setDate(newDate);
   });
   // 4.模糊查找---- 根据商品名称查找商品模糊查找
   product.addEventListener('keyup', function() {
       // 把拿到的数据渲染到页面中
       var result = data.filter(function(value) {
           if (value.pname.includes(product.value)) {
               return value
           }
       })
       setDate(result);
       setDate(data.filter(function(value) {
           if (value.pname.includes(product.value)) {
               return value
           }
       }));
   })
  </script>
 </body>
</html>

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本文标题: javascript实现查询商品功能

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