el-cascader-panel

el-cascader-panel是一个基于Element UI的级联选择器组件，它可以让用户通过多个层级的面板来选择数据。在引用中提到，el-cascader-panel增加了全选按钮，并覆写了级联面板宽度。在引用中提到，可以通过initSelectedCodes方法来初始化勾选的资源。以下是一个el-cascader-panel的例子：

<template>
  <el-cascader-panel
    :options="options"
    :props="props"
    v-model="selectedValues"
    @change="handleChange"
    :show-all-levels="false"
    :check-strictly="true"
    :expand-trigger="expandTrigger"
    :clearable="clearable"
    :disabled="disabled"
    :filterable="filterable"
    :loading="loading"
    :placeholder="placeholder"
    :popper-class="popperClass"
    :render-format="renderFormat"
    :separator="separator"
    :size="size"
    :trigger="trigger"
    :value-format="valueFormat"
    :width="width"
  />
</template>

<script>
export default {
  data() {
    return {
      selectedValues: [],
      options: [
        {
          value: 'zhinan',
          label: '指南',
          children: [
            {
              value: 'shejiyuanze',
              label: '设计原则',
              children: [
                {
                  value: 'yizhi',
                  label: '一致'
                },
                {
                  value: 'fankui',
                  label: '反馈'
                },
                {
                  value: 'xiaolv',
                  label: '效率'
                },
                {
                  value: 'kekong',
                  label: '可控'
                }
              ]
            },
            {
              value: 'daohang',
              label: '导航',
              children: [
                {
                  value: 'cexiangdaohang',
                  label: '侧向导航'
                },
                {
                  value: 'dingbudaohang',
                  label: '顶部导航'
                }
              ]
            }
          ]
        },
        {
          value: 'zujian',
          label: '组件',
          children: [
            {
              value: 'basic',
              label: 'Basic',
              children: [
                {
                  value: 'layout',
                  label: 'Layout 布局'
                },
                {
                  value: 'color',
                  label: 'Color 色彩'
                },
                {
                  value: 'typography',
                  label: 'Typography 字体'
                },
                {
                  value: 'icon',
                  label: 'Icon 图标'
                },
                {
                  value: 'button',
                  label: 'Button 按钮'
                }
              ]
            },
            {
              value: 'form',
              label: 'Form',
              children: [
                {
                  value: 'radio',
                  label: 'Radio 单选框'
                },
                {
                  value: 'checkbox',
                  label: 'Checkbox 多选框'
                },
                {
                  value: 'input',
                  label: 'Input 输入框'
                },
                {
                  value: 'input-number',
                  label: 'InputNumber 计数器'
                },
                {
                  value: 'select',
                  label: 'Select 选择器'
                },
                {
                  value: 'cascader',
                  label: 'Cascader 级联选择器'
                },
                {
                  value: 'switch',
                  label: 'Switch 开关'
                },
                {
                  value: 'slider',
                  label: 'Slider 滑块'
                },
                {
                  value: 'time-picker',
                  label: 'TimePicker 时间选择器'
                },
                {
                  value: 'date-picker',
                  label: 'DatePicker 日期选择器'
                },
                {
                  value: 'datetime-picker',
                  label: 'DateTimePicker 日期时间选择器'
                },
                {
                  value: 'upload',
                  label: 'Upload 上传'
                },
                {
                  value: 'rate',
                  label: 'Rate 评分'
                },
                {
                  value: 'form',
                  label: 'Form 表单'
                }
              ]
            },
            {
              value: 'data',
              label: 'Data',
              children: [
                {
                  value: 'table',
                  label: 'Table 表格'
                },
                {
                  value: 'tag',
                  label: 'Tag 标签'
                },
                {
                  value: 'progress',
                  label: 'Progress 进度条'
                },
                {
                  value: 'tree',
                  label: 'Tree 树形控件'
                },
                {
                  value: 'pagination',
                  label: 'Pagination 分页'
                },
                {
                  value: 'badge',
                  label: 'Badge 标记'
                }
              ]
            },
            {
              value: 'notice',
              label: 'Notice',
              children: [
                {
                  value: 'alert',
                  label: 'Alert 警告'
                },
                {
                  value: 'loading',
                  label: 'Loading 加载'
                },
                {
                  value: 'message',
                  label: 'Message 消息提示'
                },
                {
                  value: 'message-box',
                  label: 'MessageBox 弹框'
                },
                {
                  value: 'notification',
                  label: 'Notification 通知'
                }
              ]
            },
            {
              value: 'navigation',
              label: 'Navigation',
              children: [
                {
                  value: 'menu',
                  label: 'NavMenu 导航菜单'
                },
                {
                  value: 'tabs',
                  label: 'Tabs 标签页'
                },
                {
                  value: 'breadcrumb',
                  label: 'Breadcrumb 面包屑'
                },
                {
                  value: 'dropdown',
                  label: 'Dropdown 下拉菜单'
                },
                {
                  value: 'steps',
                  label: 'Steps 步骤条'
                }
              ]
            },
            {
              value: 'others',
              label: 'Others',
              children: [
                {
                  value: 'dialog',
                  label: 'Dialog 对话框'
                },
                {
                  value: 'tooltip',
                  label: 'Tooltip 文字提示'
                },
                {
                  value: 'popover',
                  label: 'Popover 弹出框'
                },
                {
                  value: 'card',
                  label: 'Card 卡片'
                },
                {
                  value: 'carousel',
                  label: 'Carousel 走马灯'
                },
                {
                  value: 'collapse',
                  label: 'Collapse 折叠面板'
                }
              ]
            }
          ]
        }
      ],
      props: {
        value: 'value',
        label: 'label',
        children: 'children'
      },
      expandTrigger: 'hover',
      clearable: true,
      disabled: false,
      filterable: false,
      loading: false,
      placeholder: '请选择',
      popperClass: '',
      renderFormat: labels => labels.join(' / '),
      separator: ' / ',
      size: '',
      trigger: 'click',
      valueFormat: 'value',
      width: ''
    }
  },
  methods: {
    handleChange(value) {
      console.log(value)
    }
  }
}
</script>