middleground_code_v2/src/components/base/BaseMenuTree/index.vue

<!--
* @name: 弹窗配置
* @author: zhangpengcheng
* @date: 2022-08-25
-->
<template>
  <!-- 权限设置弹框 -->
  <!-- :style="{'margin':isCenter?'auto':''}"> -->

  <div v-loading="treeLoading" flex style="margin:auto;height: 100%;">
    <div class="menu-i" flex="cross:center main:center">
      <div class="menu-i-t" flex="cross:top main:justify">
        <el-tree :data="menuData" :check-strictly="true" :default-checked-keys="selectData"
                 @node-click="handleNodeClick" :expand-on-click-node="false" :default-expand-all="expandAll"
                 :key="new Date().getTime()" :props="treeProps" style="width: 100%;background-color:white;height: 100%;"
                 @check-change="checkChange" node-key="id" ref="elTree" :show-checkbox="showCheckbox">
        </el-tree>
        <div @click="changePcAll" class="checkText" v-if="Allshow">全选</div>
      </div>
    </div>
    <div flex="cross:center main:center" style="width:100%" v-if="isSaveBtn">
      <el-button style="width:40%" type="primary" @click="saveMenuUser">保存</el-button>
    </div>
  </div>
</template>
<script>
// import { queryMenuList, menuListSave } from '@/api/apis/auth'
export default {
  props: {
    // 是否默认展开所有节点
    expandAll: {
      type: Boolean,
      default: true
    },
    // 是否显示保存按钮
    isSaveBtn: {
      type: Boolean,
      default: false
    },
    // 是否显示全选按钮
    Allshow: {
      type: Boolean,
      default: false
    },
    // 是否显示多选按钮
    showCheckbox: {
      type: Boolean,
      default: false
    },
    // 是否居中
    isCenter: {
      type: Boolean,
      default: true
    },
    menuData: {
      type: Array,
      default: () => {
        return []
      }
    },
    setting: {
      type: Boolean,
      default: false
    },
  },
  data() {
    return {
      theme: '',
      powerDlog: false,
      // 菜单数据
      // menuData: [],
      // 回显选中ids
      selectData: [],
      // 树状图设置
      // treeProps: {
      //     label: 'menuName',
      //     children: 'id',
      // },
      treeProps: {
        children: 'children',
        label: 'label'
      },
      // PC菜单全选
      checkedAllPc: false,
      // 防连点
      outing: false,
      treeLoading: false,
    }
  },
  created() { },
  mounted() {
  },
  computed: {
    defaultTheme() {
      return this.$store.state.settings.theme
    },
  },
  watch: {
    defaultTheme: {
      handler: function (val, oldVal) {
        this.theme = val
        // document.getElementsByTagName('body')[0].style.setProperty('--active', val)

        // let arr =  document.getElementsByClassName('.el-tree-node:focus>.el-tree-node__content')
        // $('.el-tree-node:focus>.el-tree-node__content').css('color',val)
      },
      immediate: true,
    },
  },
  methods: {
    buttonL(el) {
      el.active = !el.active
      this.$forceUpdate()
    },
    setData(id) {
      this.selectData.push(id)
    },
    saveMenuUser() {
      let allKeys = this.getKey();
      this.$emit('onSaveMenu', allKeys);
    },
    // 获取选中的key值
    getKey() {
      return this.$refs.elTree.getCheckedKeys()
    },
    // 初始数据
    initData() {
      // 菜单数据
      // this.menuData = [];

      // 回显选中ids
      this.selectData = [];
    },
    // 关闭弹窗
    handleClose() {
      this.powerDlog = false
      this.initData()
    },
    //  全选、反选
    changePcAll() {
      this.checkedAllPc = !this.checkedAllPc;
      let selectData = [];
      if (this.checkedAllPc) {
        selectData = this.cycleData(this.menuData)
      }
      this.selectData = selectData;
    },
    /**
     * @description 递归获取菜单id（树状 多叉树结构）
     * @author duanyipeng
     * @createDate 2020/7/31 20:54
     * @param {Array} outData 需要递归的数组
     * @param {Boolean} isSelect: false返回所有id,true返回已选择id
     */
    cycleData(outData, isSelect) {
      let newData = [];

      function cycle(data) {
        if (!data || data.length == 0) {
          return false
        } else {
          for (var i = 0, len = data.length; i < len; i++) {
            let item = data[i]
            if (isSelect && item.selected == 1) {
              newData.push(item.id)
            }
            if (!isSelect) {
              newData.push(item.id)
            }
            cycle(item.id)
          }
        }
      }
      cycle(outData)
      return newData
    },
    getData(childIds) {
      let newData = [];
      function cycle(data) {
        data.forEach(el => {
          childIds.forEach(item => {
            if (el.id == item) {
              newData.push(el)
            }
          })
          if (el.children != null && el.children && el.children.length) {
            cycle(el.children, childIds)
          }
        })
      }
      cycle(this.menuData, childIds)
      return newData
    },
    /**
     * @description 节点选中状态发生变化时的回调
     * @author duanyipeng
     * @createDate 2020/7/31 20:53
     * @param { Object } nodeDode 当前节点对象
     * @param { Boolean } checked 当前节点是否选中
     */
    checkChange(nodeDode, checked) {
      let getHalfCheckedKeys = this.$refs.elTree.getCheckedKeys().concat(this.$refs.elTree.getHalfCheckedKeys())
      // let getHalfCheckedKeys = this.$refs.elTree.getHalfCheckedKeys()
      let childIds = getHalfCheckedKeys.length != 0 ? getHalfCheckedKeys : this.selectData
      let checkdata = this.getData(childIds)
      this.$emit('checkChange', childIds, checkdata)
      return



      let id = nodeDode.id;
      // let childIds = this.cycleData(id)
      console.log(id)
      // 循环设置子项是否选中
      childIds.forEach(item => {
        this.$refs.elTree.setChecked(item, checked)
      })
    },
    // 点击事件
    handleNodeClick(data) {
      this.$emit('handleNodeClick', data);
    },

  }
}
</script>
<style lang="scss">
// $activeColor:val(--activeColor, "#00aaff");

.el-tree-node__content {
  height: 32px !important;
}

.el-tree-node__label {
  font-size: 14px !important;
  margin-left: 4px;
}

.el-tree-node__content>label.el-checkbox {
  transform: scale(1.3);
}

.el-tree-node__content>.el-tree-node__expand-icon {
  font-size: 18px;
}

.el-checkbox__label {
  font-size: 16px;
}

.checkBox .el-checkbox__inner {
  transform: scale(1.3);
}
</style>
<style lang="scss" scoped>
.menu-i {
  width: 100%;
  // margin-bottom: 24px;

  &-f {
    color: #52575a;
    font-size: 18px;
    text-align: center;
    margin-bottom: 12px;
  }

  &-t {
    width: 100%;
    // height: 450px;
    // border: 1px solid #d8d8d8;
    overflow-y: auto;
    height: 100%;
  }
}

.checkBox {
  margin-top: 6px;
  margin-right: 12px;
}

.checkText {
  width: 60px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  color: #333;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease-in-out;

  &:hover {
    color: #4570fc;
  }
}
</style>