vue.js实现三级菜单效果

本文实例为大家分享了vue.js实现三级菜单的具体代码，供大家参考，具体内容如下

html部分

 

 
{{firstList.title}} 
  

  
{{secondList.title}}
   

   
{{thirdList}}
   
  
  
  
 
 

js部分

var app = new Vue({
 el:"#warp",
 data:{
 menudata: {
     firstList:{
     title:'练习册1', 
     value: [
      {
      title:"物理",
      value2:[
"暑期",
"寒假",
"周末"
      ]
      },
      {
      title:"化学",
      value2:[
      "暑期",
      "寒假",
      "周末"
      ]
      },
     ],
   },
   secondList:{
    title:'练习册2', 
     value: [
      {
      title:"政治",
      value2:[
"暑期",
"寒假",
"周末"
      ]
    },
      {
      title:"地理",
      value2:[
      "暑期",
      "寒假",
      "周末"
      ]
      },
     ],
   },
   thirdList:{
    title:'练习册3', 
     value: [
      {
      title:"语文",
      value2:[
"暑期",
"寒假",
"周末"
      ]
    },
      {
      title:"数学",
      value2:[
"暑期",
"寒假",
"周末"
      ]
      },
      {
      title:"英语",
      value2:[
"暑期",
"寒假",
"周末"
      ]
      },
     ],
   }
 },     
 },
});

css部分

body{
 max-width: 640px;
 margin: 0px auto;
 font-size: 14px;
 color: #666666;
 background-color: #ffffff;
}
ul{
 padding: 0px;
}
li{
 list-style: none;
}
#menu{
 display: flex;
 justify-content: space-between;
}
.firstLevel{
 position: relative;
 min-width: 100px;
 cursor: pointer;
}
.secondLevel{
 display: none;
 margin-left: 10px;
}
.firstLevel:hover .secondLevel{
 display: block;
}
.thirdLevel{
 display: none;
 margin-left: 15px;
 width: 40px;
}
.secondLevel:hover .thirdLevel{
 display: block;
}

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