<template> 
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    <GlobalWindow 
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        :title="title" 
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        width="500px" 
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        :visible.sync="visible" 
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        :confirm-working="isWorking" 
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        @confirm="confirm" 
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    > 
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        <el-form :model="form" ref="form" :rules="rules"> 
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            <el-form-item label="标题" prop="title"> 
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                <el-input v-model="form.title" placeholder="请输入标题" v-trim/> 
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            </el-form-item> 
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            <el-form-item label="标签" prop="labelsArr"> 
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                <div style="width: 100%; display: flex; align-items: center;"> 
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                    <el-select v-model="form.labelsArr" style="width: 100%;" @change="changeLabel" multiple placeholder="请选择"> 
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                        <el-option 
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                            v-for="item in cateList" 
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                            :key="item.name" 
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                            :label="item.name" 
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                            :value="item.name"> 
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                        </el-option> 
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                    </el-select> 
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                    <el-button size="medium" style="margin-left: 15px;" @click="$refs.tagLibrary.open('标签库')">标签库</el-button> 
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                </div> 
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            </el-form-item> 
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          <el-form-item label="省份" prop="provinceId"> 
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            <el-select   v-model="form.provinceId"   filterable @change="changeProvince" placeholder="请选择"> 
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              <el-option 
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                  v-for="item in areas" 
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                  :key="item.id" 
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                  :label="item.name" 
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                  :value="item.id"> 
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              </el-option> 
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            </el-select> 
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          </el-form-item> 
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          <el-form-item label="城市" prop="cityId"> 
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            <el-select  v-model="form.cityId"  clearablefilterable   placeholder="请选择"> 
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              <el-option 
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                  v-for="item in citys" 
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                  :key="item.id" 
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                  :label="item.name" 
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                  :value="item.id"> 
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              </el-option> 
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            </el-select> 
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          </el-form-item> 
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<!--            <el-form-item label="地区" prop="area"> 
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                <el-cascader 
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                    v-model="form.area" 
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                    :options="area" 
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                    @change="changeArea" 
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                    :props="{ label: 'name', children: 'childAreasList', value: 'id' }" /> 
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            </el-form-item>--> 
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            <el-form-item label="年份" prop="yearInfo"  > 
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                <el-date-picker 
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                    v-model="form.yearInfo" 
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                    type="year" 
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                    value-format="yyyy" 
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                    placeholder="选择年份"> 
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                </el-date-picker> 
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            </el-form-item> 
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            <el-form-item label="网址链接" prop="link"> 
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                <el-input v-model="form.link" placeholder="请输入网址链接" v-trim/> 
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            </el-form-item> 
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        </el-form> 
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        <!--    添加知识库    --> 
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        <TagLibrary ref="tagLibrary" @refresh="getLabel(), form.labels = '', form.labelsArr = []" /> 
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    </GlobalWindow> 
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</template> 
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<script> 
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import BaseOpera from '@/components/base/BaseOpera' 
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import GlobalWindow from '@/components/common/GlobalWindow' 
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import TagLibrary from '@/components/business/tagLibrary' 
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import { findTreeList, list } from '@/api/business/knowledge' 
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export default { 
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  name: 'OperaKnowledgeWindow', 
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  extends: BaseOpera, 
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  components: { GlobalWindow, TagLibrary }, 
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  data () { 
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    return { 
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      // 表单数据 
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      form: { 
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        id: null, 
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        provinceId: '', 
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        cityId: '', 
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        title: '', 
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        link: '', 
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        labels: '', 
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        yearInfo: '', 
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        area: [], 
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        labelsArr: [] 
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      }, 
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      areas: [], 
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      citys: [], 
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      // 验证规则 
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      rules: { 
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        title: [ 
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          { required: true, message: '请输入内容', trigger: 'blur' } 
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        ], 
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        yearInfo: [ 
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          { required: true, message: '请选择年份', trigger: 'blur' } 
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        ], 
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        labelsArr: [ 
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          { required: true, message: '请选择表情', trigger: 'blur' } 
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        ], 
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        provinceId: [ 
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          { required: true, message: '请选择省份', trigger: 'blur' } 
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        ], 
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        link: [ 
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          { required: true, message: '请输入内容', trigger: 'blur' } 
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        ] 
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      }, 
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      area: [], 
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      cateList: [] 
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    } 
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  }, 
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  created () { 
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    this.config({ 
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      api: '/business/knowledge', 
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      'field.id': 'id' 
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    }) 
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  }, 
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  methods: { 
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    changeLabel (e) { 
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      this.form.labels = e.join(',') 
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    }, 
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    changeArea (e) { 
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      if (e.length === 0) return 
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      if (e.length === 1) { 
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        this.form.provinceId = e[0] 
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      } else if (e.length === 2) { 
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        this.form.provinceId = e[0] 
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        this.form.cityId = e[1] 
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      } 
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    }, 
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    changeProvince (e) { 
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      this.citys = [] 
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      this.form.cityId=null 
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      this.areas.forEach(item => { 
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        if (item.id === this.form.provinceId) { 
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          this.citys = item.childAreasList || [] 
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        } 
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      }) 
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    }, 
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    open (title, target) { 
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      this.getLabel() 
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      this.getCityTreeList() 
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      this.title = title 
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      this.visible = true 
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      // 新建 
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      if (target == null) { 
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        this.$nextTick(() => { 
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          this.$refs.form.resetFields() 
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          this.form[this.configData['field.id']] = null 
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        }) 
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        return 
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      } 
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      // 编辑 
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      this.$nextTick(() => { 
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        for (const key in this.form) { 
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          this.form[key] = target[key] 
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        } 
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        if (this.form.labels) { 
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          this.form.labelsArr = this.form.labels.split(',') 
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        } 
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        if (this.form.provinceId && this.form.cityId) { 
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          this.form.area = [this.form.provinceId, this.form.cityId] 
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        } else if (this.form.provinceId && !this.form.cityId) { 
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          this.form.area = [this.form.provinceId] 
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        } 
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      }) 
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    }, 
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    async getLabel () { 
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      this.cateList = await list() 
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    }, 
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    async getCityTreeList () { 
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      this.areas = await findTreeList({}) 
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    }, 
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    async getCityTree () { 
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      this.area = await findTreeList({}) 
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      this.setSecondLevelChildrenToNullPrecise(this.area) 
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      this.area.forEach(item => { 
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        if (item.childAreasList.length === 0) { 
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          item.childAreasList = null 
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        } 
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      }) 
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    }, 
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    setSecondLevelChildrenToNullPrecise (data, level = 1) { 
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      if (!data || !data.length) return 
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      data.forEach(item => { 
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        if (item.childAreasList && item.childAreasList.length) { 
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          if (level === 1) { 
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            // 这是第一级节点,处理其子节点(第二级) 
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            item.childAreasList.forEach(child => { 
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              child.childAreasList = null 
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            }) 
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          } else { 
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            // 继续递归处理更深层级 
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            this.setSecondLevelChildrenToNullPrecise(item.childAreasList, level + 1) 
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          } 
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        } 
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      }) 
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    } 
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  } 
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} 
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</script> 
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