Detailed explanation of Vue implementation of tabs and switching functions-JS Tutorial-php.cn

Detailed explanation of Vue implementation of tabs and switching functions

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Release： 2018-04-27 09:36:06

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This time I will bring you a detailed explanation of how to implement tabs and switching functions in Vue. What are the precautions for implementing tabs and switching functions in Vue. The following is a practical case, let’s take a look.

I am not going to go over some of the instruction usage or basic knowledge in the Vue document with you. Since it is from entry to actual combat, I will directly split some of the effects that need to be achieved in daily projects into modules. If you encounter relevant instructions or don't know how to use them, check the documentation yourself, and then look back at my implementation code. Remember, it’s really important to read through the Vue documentation, very important!

Vue here is introduced in the form of a single file. In addition, the code will be optimized step by step in implementation, so don’t worry!

The following is a tab with a slightly ugly style, but the function is OK.

<!DOCTYPE html> 
<html> 
 <head> 
  <meta charset="utf-8" />  
  <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">   
  <meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=no,width=device-width"> 
  <meta name="apple-mobile-web-app-title" content="Vue选项卡"> 
  <title>Vue实现选项卡</title> 
  <script type="text/javascript" src="../js/vue.js"></script> 
 </head> 
 <style> 
  * { 
   padding: 0; 
   margin: 0; 
  } 
  .box { 
   width: 800px; 
   height: 200px; 
   margin: 0 auto; 
   border: 1px solid #000; 
  } 
  .tabs li { 
   float: left; 
   margin-right: 8px; 
   list-style: none; 
  } 
  .tabs .tab-link { 
   display: block; 
   width: 250px; 
   height: 49px; 
   text-align: center; 
   line-height: 49px; 
   background-color: #5597B4; 
   color: #fff; 
   text-decoration: none; 
  } 
  .tabs .tab-link.active { 
   height: 47px; 
   border-bottom: 2px solid #E35885; 
   transition: .3s; 
  } 
  .cards { 
   float: left; 
  } 
  .cards .tab-card { 
   display: none; 
  } 
  .clearfix:after { 
   content: ""; 
   display: block; 
   height: 0; 
   clear: both; 
  } 
  .clearfix { 
   zoom: 1; 
  } 
 </style> 
 <body> 
  <p id="app" class="box"> 
   <ul class="tabs clearfix"> 
    <li v-for="(tab,index) in tabsName"> 
     <a href="#" rel="external nofollow" class="tab-link" @click="tabsSwitch(index)" v-bind:class="{active:tab.isActive}">{{tab.name}}</a> 
    </li> 
   </ul> 
   <p class="cards"> 
    <p class="tab-card" style="display: block;">这里是HTML教程</p> 
    <p class="tab-card">欢迎来到CSS模块</p> 
    <p class="tab-card">嗨，这里是Vue</p> 
   </p> 
  </p> 
 </body> 
 <script> 
  var app = new Vue({ 
   el: "#app", 
   data: { 
    tabsName: [{ 
     name: "HTML", 
     isActive: true 
    }, { 
     name: "CSS", 
     isActive: false 
    }, { 
     name: "Vue", 
     isActive: false 
    }], 
    active: false 
   }, 
   methods: { 
    tabsSwitch: function(tabIndex) { 
     var tabCardCollection = document.querySelectorAll(".tab-card"), 
      len = tabCardCollection.length; 
     for(var i = 0; i < len; i++) { 
      tabCardCollection[i].style.display = "none"; 
      this.tabsName[i].isActive = false; 
     } 
     this.tabsName[tabIndex].isActive = true; 
     tabCardCollection[tabIndex].style.display = "block"; 
    } 
   } 
  }) 
 </script> 
</html>

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The implementation of the first generation of tabs will start like this, and will be improved later. The above is the code, and the following is the rendering! I have just started learning Vue and have done a few projects. If you have any questions, we can discuss them together and make progress together. Welcome to send me a private message!

Vue implements tab switching. The specific code is as follows:

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>选项卡</title>
 <script src="../js/vue.js"></script>
 <style>
  li{
   list-style: none;
   float: left;
   margin-right: 20px;
  }
 </style>
</head>
<body>
 <p class="app">
  <ul>
   <li v-for="(item,index) in list" @click="tab(index)">{{item.tab}}
    <p v-show="item.show">
     {{item.title}}
    </p>
   </li>
  </ul>
 </p>
 <script>
  let obj=[
   {"tab":"选项一","show":true,"title":"1111"},
   {"tab":"选项二","show":false,"title":"2222"},
   {"tab":"选项三","show":false,"title":"3333"}
  ];
  var vm=new Vue({
   el:".app",
   data:{
    list:obj
   },
   methods:{
    tab:function(index){
     for(var i=0;i<this.list.length;i++){
      this.list[i].show=false;
      if(i==index){
       this.list[index].show=true;
      }
     }
    }
   }
  })
 </script>
</body>
</html>

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