基于vue手写tree插件的那点事儿

<template>
  <Tree :data="data2" show-checkbox></Tree>
</template>

<script>
  export default {
    data () {
      return {
        data2: [
          {
            title: 'parent 1',
            expand: true,
            children: [
              {
                title: 'parent 1-1',
                expand: true,
                children: [
                  {
                    title: 'leaf 1-1-1'
                  },
                  {
                    title: 'leaf 1-1-2'
                  }
                ]
              },
              {
                title: 'parent 1-2',
                expand: true,
                children: [
                  {
                    title: 'leaf 1-2-1'
                  },
                  {
                    title: 'leaf 1-2-1'
                  }
                ]
              }
            ]
          }
        ]
      }
    }
  }
</script>

<zxhtree
    v-if="userChange"
    class="item"
    treekey="deptId"
    treename="deptName"
    treechildren="children"
    :model="deptData"
    :ids="sysUserRole.deptIds"
    :names="sysUserRole.deptNames"
    @keyname="selectedUserObj"
>
</zxhtree>

<script type="text/x-template" id="tree-template">
  <div>
    <tree-item
        class="item"
        :treekey="treekey"
        v-for="(model, index) in model"
        :treename="treename"
        :treechildren="treechildren"
        :model="model"
        :ids="ids"
        :names="names"
        @keyname="selectedObj"
        @data="synchdata"
    >
    </tree-item>
  </div>
</script>

<script type="text/x-template" id="item-template">
  <ul class="ztree">
    <li class="level0" @blur="blur" @focus="focus" tabindex="0" hidefocus="true" treenode="">
      <input type="checkbox" :disabled="model.disabled" :ref="model[treename]" :checked="checkStatus" @click="selectedObj"/>
      <span title="" @click="toggle" :class="openStatus" treenode_switch=""></span>
      <a :class="selectClass" treenode_a="" onclick="" target="_blank" style="" :title="model[treename]">
        <span title="" treenode_ico="" class="button ico_open" style=""></span>
        <span @dblclick="toggle" class="node_name">{{model[treename]}}</span>
      </a>
      <tree-item
        class="item"
        v-show="open"
        v-for="(model, index) in model[treechildren]"
        :key="index"
        :model="model"
        :treekey="treekey"
        :treename="treename"
        :vistreekey="vistreekey"
        :vistreename="vistreename"
        :treechildren="treechildren"
        ref="child"
        @keyname="keyname"
      >
      </tree-item>
    </li>
  </ul>
</script>

//接收到数据在外面套一层
if(this.model[this.treekey]==undefined){
  this.treekey=this.vistreekey;
}
if(this.model[this.treename]==undefined){
  this.treename=this.vistreename;
}
if (this.model.disabled == true) {
  this.model.disabled = 'disabled';
}
console.log('组件注册了吗');
if ((','+this.ids+',').indexOf(','+this.model[this.treekey]+',') == -1) {
  this.checkStatus = false;
  this.model.checkStatus=this.checkStatus;
} else {
  this.checkStatus=true;
  this.model.checkStatus=this.checkStatus;
  this.treekeys[this.model[this.treekey]]= this.checkStatus;
  this.treenames[this.model[this.treename]]= this.checkStatus;
  this.opt.key=this.treekeys;
  this.opt['name']=this.treenames;
}
if(this.ids!=''){
  var idarr = this.ids;
  for(var index in idarr){
    this.treekeys[idarr[index]]=true;
  }
  if (this.names.indexOf(",") == -1&&this.names!='') {
    this.treenames[this.names]=true;
  }else{
    var namearr = this.names.split(",");
    for(var index in namearr){
      this.treenames[namearr[index]]=true;
    }
  }
}

var newOpt ={'key':{},'name':{}};
  newOpt.key = Object.assign(this.opt.key, opt.key);
  newOpt.name = Object.assign(this.opt.name, opt.name);
  var flag=false;
  for(var index in this.model[this.treechildren]){
    if(newOpt.key[this.model[this.treechildren][index][this.treekey]]!=true){
      flag=true;
    }
  }
  if(!flag){
    newOpt.key[this.model[this.treekey]]=true;
    newOpt.name[this.model[this.treename]]=true;
    this.checkStatus=true;
    this.model.checkStatus=true;
  }
  for(var key in newOpt){
    this.filterRealCheck(newOpt[key]);
  }
  this.opt=newOpt;
  this.$emit('keyname', newOpt);

if(selected instanceof MouseEvent){
  this.checkStatus=!this.checkStatus;
}else{
  this.checkStatus=selected;
}

this.model.checkStatus=this.checkStatus;
if (this.model.expected != true) {
  this.treekeys[this.model[this.treekey]]= this.checkStatus;
  this.treenames[this.model[this.treename]]= this.checkStatus;
  this.opt.key=this.treekeys;
  this.opt['name']=this.treenames;
}
for(var index in this.$refs.child){
  this.$refs.child[index].selectedObj(this.checkStatus);
}

this.$emit('keyname', this.opt);