vue如何實(shí)現(xiàn)的樹(shù)形菜-創(chuàng)新互聯(lián)

小編給大家分享一下vue如何實(shí)現(xiàn)的樹(shù)形菜，相信大部分人都還不怎么了解，因此分享這篇文章給大家參考一下，希望大家閱讀完這篇文章后大有收獲，下面讓我們一起去了解一下吧！

創(chuàng)新互聯(lián)是一家專(zhuān)業(yè)提供烏蘭察布企業(yè)網(wǎng)站建設(shè),專(zhuān)注與成都網(wǎng)站設(shè)計(jì)、網(wǎng)站制作、html5、小程序制作等業(yè)務(wù)。10年已為烏蘭察布眾多企業(yè)、政府機(jī)構(gòu)等服務(wù)。創(chuàng)新互聯(lián)專(zhuān)業(yè)網(wǎng)站制作公司優(yōu)惠進(jìn)行中。

具體代碼如下所示：

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>vue</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="animate.css" rel="external nofollow" >
    <script src="vue.js"></script>
    <style>
      *{
        color:#585858;
      }
      #app{
        min-height: 650px;
      }
      #app li{
        list-style-type:none;
      }
      #app a{
        text-decoration:none;
      }
      #app button{
        width:100%;
      }
      #app ul{
        padding:10px;
      }
      #app span{
        cursor:pointer;
      }
      #tree{
        border: 1px solid #ccc;      
        min-height: 650px;
        width: 50%;
        margin:0;
        padding-top: 10px;
        background-color:#f2f2f2;
        position: absolute;
        top:0;
        left:0;
      }
      #tree li {
        display: block;
        padding: 0;
        margin: 0;
        border: 0;
        border-bottom: 1px solid #e5e5e5;
        min-height: 32px;
        line-height:32px;
      }
    </style>
  </head>
  <body>
    <div id='app' @click='hideTree($event)'>
      <button @click.stop="show = !show">點(diǎn)我</button>
      <transition enter-active-class="animated fadeInLeft" leave-active-class="animated fadeOutLeft">
        <item v-bind:tree='treeData' id='tree' v-if="show"></item> 
      </transition>  
    </div>
    <template id='tree-template'>
      <ul>
        <li v-for='(v,i) in tree'>  
          <span v-if="isFolder(v)" @click="toggle(i)">{{ tree[i].open ? '-' : '+' }}</span>
          <a data-id="v.id">{{v.city}}</a>  
          <item v-bind:tree='v.child' v-show="tree[i].open"></item>
        </li>
      </ul>  
    </template>
    <script>
      var data = [{"id":26,"pid":1,"city":"四川省"},{"id":30,"pid":1,"city":"云南省"},{"id":322,"pid":26,"city":"成都"},{"id":323,"pid":26,"city":"綿陽(yáng)"},{"id":324,"pid":26,"city":"阿壩"},{"id":325,"pid":26,"city":"巴中"},{"id":326,"pid":26,"city":"達(dá)州"},{"id":327,"pid":26,"city":"德陽(yáng)"},{"id":328,"pid":26,"city":"甘孜"},{"id":329,"pid":26,"city":"廣安"},{"id":330,"pid":26,"city":"廣元"},{"id":331,"pid":26,"city":"樂(lè)山"},{"id":332,"pid":26,"city":"涼山"},{"id":333,"pid":26,"city":"眉山"},{"id":334,"pid":26,"city":"南充"},{"id":335,"pid":26,"city":"內(nèi)江"},{"id":336,"pid":26,"city":"攀枝花"},{"id":337,"pid":26,"city":"遂寧"},{"id":338,"pid":26,"city":"雅安"},{"id":339,"pid":26,"city":"宜賓"},{"id":340,"pid":26,"city":"資陽(yáng)"},{"id":341,"pid":26,"city":"自貢"},{"id":342,"pid":26,"city":"瀘州"},{"id":367,"pid":30,"city":"昆明"},{"id":378,"pid":30,"city":"曲靖"},{"id":3100,"pid":367,"city":"盤(pán)龍區(qū)"},{"id":3101,"pid":367,"city":"五華區(qū)"},{"id":3102,"pid":367,"city":"官渡區(qū)"},{"id":3103,"pid":367,"city":"西山區(qū)"},{"id":3104,"pid":367,"city":"東川區(qū)"},{"id":3105,"pid":367,"city":"安寧市"},{"id":3106,"pid":367,"city":"呈貢縣"},{"id":3107,"pid":367,"city":"晉寧縣"},{"id":3108,"pid":367,"city":"富民縣"},{"id":3109,"pid":367,"city":"宜良縣"},{"id":3110,"pid":367,"city":"嵩明縣"},{"id":3111,"pid":367,"city":"石林縣"},{"id":3112,"pid":367,"city":"祿勸"},{"id":3113,"pid":367,"city":"尋甸"},{"id":3189,"pid":378,"city":"麒麟?yún)^(qū)"},{"id":3190,"pid":378,"city":"宣威市"},{"id":3191,"pid":378,"city":"馬龍縣"},{"id":3192,"pid":378,"city":"陸良縣"},{"id":3193,"pid":378,"city":"師宗縣"},{"id":3194,"pid":378,"city":"羅平縣"},{"id":3195,"pid":378,"city":"富源縣"},{"id":3196,"pid":378,"city":"會(huì)澤縣"},{"id":3197,"pid":378,"city":"沾益縣"}];
      var treeData = createTree({
        idname:'id',
        pidname:'pid',
        rootid:1,
        data:data
      });
      function createTree(arg){
        var idname = arg.idname,
          pidname = arg.pidname,
          rootid = arg.rootid,
          data = arg.data,
          treeData = [];
        var _createTree = function(id){
          var ret = []; 
          var index = 0;
          for(var i = 0; i < data.length; i++){        
            if(data[i][pidname] == id){
              ret[index] = data[i];
              ret[index].child = _createTree(data[i][idname]);
              index++;
            } 
          }
          return ret;
        }
        var index = 0;
        for(var i = 0; i < data.length; i++){      
          if(data[i][pidname] == rootid){
            treeData[index] = data[i];
            treeData[index].child = _createTree(data[i][idname]);
            index++;
          }   
        }
        return treeData;
      }
      Vue.component('item', {
        template: '#tree-template',
        props: ['tree'],
        data: function () {
          return {}
        },
        methods: {
          toggle: function (i) {
            this.tree[i].open = !this.tree[i].open;
            this.$set(this.tree, i, this.tree[i]);
          },
          isFolder: function (data) {
            return data.child && data.child.length
          },
        },
      })
      var vm = new Vue({
        el: '#app',
        data: {
          treeData: treeData,
          show:false,
        },
        methods: {
          hideTree:function(e){
            if(e.target.id == 'app'){
              console.log(137);
              this.show = false;
            }
          }
        },
        created: function () {
          function _addOpen(data) {
            for (var i = 0; i < data.length; i++) {
              data[i]['open'] = false;
              if (data[i].child.length > 0) {
                _addOpen(data[i].child);
              }
            }
          }
          _addOpen(this.treeData);
        }
      });
    </script>
  </body>
</html>

Vue的優(yōu)點(diǎn)

Vue具體輕量級(jí)框架、簡(jiǎn)單易學(xué)、雙向數(shù)據(jù)綁定、組件化、數(shù)據(jù)和結(jié)構(gòu)的分離、虛擬DOM、運(yùn)行速度快等優(yōu)勢(shì)，Vue中頁(yè)面使用的是局部刷新，不用每次跳轉(zhuǎn)頁(yè)面都要請(qǐng)求所有數(shù)據(jù)和dom，可以大大提升訪(fǎng)問(wèn)速度和用戶(hù)體驗(yàn)。

以上是“vue如何實(shí)現(xiàn)的樹(shù)形菜”這篇文章的所有內(nèi)容，感謝各位的閱讀！相信大家都有了一定的了解，希望分享的內(nèi)容對(duì)大家有所幫助，如果還想學(xué)習(xí)更多知識(shí)，歡迎關(guān)注創(chuàng)新互聯(lián)成都網(wǎng)站設(shè)計(jì)公司行業(yè)資訊頻道！

另外有需要云服務(wù)器可以了解下創(chuàng)新互聯(lián)scvps.cn，海內(nèi)外云服務(wù)器15元起步，三天無(wú)理由+7*72小時(shí)售后在線(xiàn)，公司持有idc許可證，提供“云服務(wù)器、裸金屬服務(wù)器、高防服務(wù)器、香港服務(wù)器、美國(guó)服務(wù)器、虛擬主機(jī)、免備案服務(wù)器”等云主機(jī)租用服務(wù)以及企業(yè)上云的綜合解決方案，具有“安全穩(wěn)定、簡(jiǎn)單易用、服務(wù)可用性高、性?xún)r(jià)比高”等特點(diǎn)與優(yōu)勢(shì)，專(zhuān)為企業(yè)上云打造定制，能夠滿(mǎn)足用戶(hù)豐富、多元化的應(yīng)用場(chǎng)景需求。

本文名稱(chēng)：vue如何實(shí)現(xiàn)的樹(shù)形菜-創(chuàng)新互聯(lián)
文章分享：http://chinadenli.net/article18/ccjcgp.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián)，為您提供網(wǎng)站導(dǎo)航、域名注冊(cè)、網(wǎng)站營(yíng)銷(xiāo)、品牌網(wǎng)站設(shè)計(jì)、手機(jī)網(wǎng)站建設(shè)、App設(shè)計(jì)

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶(hù)投稿、用戶(hù)轉(zhuǎn)載內(nèi)容為主，如果涉及侵權(quán)請(qǐng)盡快告知，我們將會(huì)在第一時(shí)間刪除。文章觀(guān)點(diǎn)不代表本網(wǎng)站立場(chǎng)，如需處理請(qǐng)聯(lián)系客服。電話(huà)：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時(shí)需注明來(lái)源：創(chuàng)新互聯(lián)

猜你還喜歡下面的內(nèi)容

欧美一区二区三区老妇人-欧美做爰猛烈大尺度电-99久久夜色精品国产亚洲a-亚洲福利视频一区二区

vue如何實(shí)現(xiàn)的樹(shù)形菜-創(chuàng)新互聯(lián)

Vue的優(yōu)點(diǎn)