vue3 实现关于 el-table 表格组件的封装及调用方法

目录

一、示例图：
二、组件
三、页面调用
四、其他
五、实例（实现树形数据与懒加载）
• 1、添加修改组件 EditForm.vue
• 2、主页面 index.vue

<template>
  <div class="sn-table" :class="props.colorType === 1 ? '' : 'bg-scroll'">
    <el-table :data="tableData" :row-class-name="tableRowClassName" height="500" style="width: 100%;"
      :default-sort="[{ prop: '正确率', order: 'descending' },{ prop: '未答题数', order: 'descending' }]"
      :class="props.colorType === 1 ? '' : 'bg-scroll'">
      <el-table-column align="center" :prop="item.keyName"
        :sortable="item.keyName==='正确率'&&props.isExistSelect||item.keyName==='未答题数'&&props.isExistSelect?true:false"
        :label="item.keyName" v-for="item in columns"
        :width="item.width ? item.width + 'px' : ''">
        <template #default="scope">
          <div v-if="item.keyName==='正确率'&&props.isExistSelect" class="tag-list">
            <el-progress :percentage="scope.row[item.keyName]" color="#00B386" :stroke-width="10" :text-inside="false"/>
          </div>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>
<script lang='ts' setup>
type TProps = {
  tableData: any[]
  columns: any[],
  colorType: number, // 颜色类型
  isExistSelect: boolean // 是否存在筛选项
}
const props = withDefaults(defineProps<TProps>(), {})
const tableRowClassName = ({ rowIndex }: { rowIndex: number }) => {
  if (rowIndex % 2 === 1) {
    return props.colorType === 1 ? 'odd-row' : 'class-odd-row'
  } else {
    return props.colorType === 1 ? 'even-row' : 'class-even-row'
  }
}
</script>
<style lang='scss' scoped>
.bg-scroll {
  border-radius: 10px;
  height: 96%;
  overflow-y: scroll;
  &::-webkit-scrollbar {
    width: 5px;
    height: 0 !important;
  }
  &::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: #eeeeee;
  }
}
.sn-table {
  padding: 0 10px 0 20px;
  :deep(.el-table) {
    color: #ffffff !important;
    tr {
      td {
        border: none;
        padding: 16px 0;
        font-size: 15px;
      }
    }
    th.el-table__cell {
      background: #141414 !important;
      border: none;
      color: #00B386;
      font-size: 14px;
      font-weight: 400;
    }
    .even-row {
      background-color: #333 !important;
    }
    .odd-row {
      background-color: #141414 !important;
    }
    .class-even-row {
      background-color: #333 !important;
    }
    .class-odd-row {
      background-color: #00B386 !important;
    }
  }
  :deep(.el-scrollbar__wrap--hidden-default) {
    background: #141414 !important;
  }
  :deep(.el-table--enable-row-hover) {
    .el-table__body {
      tr:hover>td.el-table__cell {
        color: #8C8C8C;
        background: #333 !important;
      }
    }
  }
  :deep(.el-table__inner-wrapper) {
    &::before {
      background-color: transparent;
    }
  }
  :deep(.el-table .ascending .sort-caret.ascending){
    border-bottom-color:#00B386 !important;
  }
  :deep(.el-table .descending .sort-caret.descending){
    border-top-color:#00B386 !important;
  }
  .ok-text{
    font-size: 35px;
    font-weight: 300;
  }
  .tag-list{
    width: 100%;
    padding: 2px 0;
    .tag-btn{
      border-radius: 5px;
      border: 1px solid #EF8714;
      color: #EF8714;
      padding: 1px 10px;
      margin-right: 15px;
      &:last-child{
        margin-right: 0;
      }
    }
  }
}
:deep(.el-progress){
  width: 185px;
  margin: 0 auto;
}
:deep(.el-progress__text){
  span{
    font-size: 16px;
  }
}
:deep(.el-progress-bar__outer){
  background: #D9D9D9;
}
</style>

<details-table :tableData="knowInfo" :columns="knowColumns" :isExistSelect="false" :colorType="1"/>
<script setup lang="ts">
import { onMounted, ref } from 'vue'
import CanvasVideo from "@/components/CanvasVideo.vue"
const knowInfo = ref<any[]>([])
const knowColumns = ref<any[]>([])
onMounted(()=>{
    init()
})
//数据处理
const init = () => {
    const datas = ref([
        {studentName:'陈佳颖',correctRate:0,noAnswerCount:13},
        {studentName:'丁靖芸',correctRate:0,noAnswerCount:13},
        {studentName:'谷雨恒',correctRate:0,noAnswerCount:13},
        {studentName:'欧阳江源',correctRate:0,noAnswerCount:13},
        {studentName:'任行宽',correctRate:0,noAnswerCount:13},
        {studentName:'任彦宇',correctRate:0,noAnswerCount:13},
        {studentName:'王骁南',correctRate:0,noAnswerCount:13},
        {studentName:'吴骏扬',correctRate:0,noAnswerCount:13}
    ])
    if (datas && datas.length > 0) {
        datas.forEach((it: any, index:number) => {
            knowInfo.value.push({
                '行号': index+1,
                '姓名': it.studentName,
                '正确率': it.correctRate,
                '未答题数': it.noAnswerCount
            })
        })
        for (const key in knowInfo.value[0]) {
            knowColumns.value.push({
                keyName: key,
                width: key === '行号' ? 140 : null
            })
        }
    }
}
</script>

<el-table :data="datas" style="width: 100%;">
    <el-table-column label="" prop="name" align="center">
        <template #header>
           姓名
        </template>
    </el-table-column>
</el-table>

<el-table :data="datas" style="width: 100%;">
    <el-table-column label="行号" align="center">
        <template #default="{$index}">
            {{$index+1}}
        </template>
    </el-table-column>
</el-table>

<el-table :data="datas" style="width: 100%;">
    <el-table-column label="姓名" prop="name" align="center">
        <template #default="scope">
            <div>{{scope.row.name}}s</div>
        </template>
    </el-table-column>
</el-table>

<el-table :data="datas" style="width: 100%;"
   :default-sort="[{ prop: 'rank', order: 'descending' },{ prop: 'time', order: 'descending' }]">
    <el-table-column label="排名" prop="rank" sortable align="center"/>
    <el-table-column label="时长" prop="time" sortable align="center"/>
</el-table>

<el-table :data="datas" style="width: 100%;"
   row-key="id" ref="multipleTable" highlight-current-row @row-click="rowselect" @selection-change="selectGroupChange">
    <el-table-column type="selection" width="55" />
    <el-table-column label="排名" prop="rank" align="center"/>
    <el-table-column label="时长" prop="time" align="center"/>
</el-table>
<script setup lang="ts">
import { ref } from "vue"
const multipleTable = ref()
const handleList = ref([])
// 设置单选||显示高亮
const rowselect = (row:any) => {
  multipleTable.value.toggleRowSelection(row)
}
// 选择多个单选框，只取最后选中的那一个
const selectGroupChange = (row:any) => {
  if (row.length > 1) {
    multipleTable.value.clearSelection()
    multipleTable.value.toggleRowSelection(row.pop())
    return
  }
  if (row.length == 1) {
    handleList.value = row
  } else {
    handleList.value = []
  }
}
</script>
<style lang='scss' scoped>
// 隐藏表头选择框
:deep(.el-table__header){
  .el-checkbox{
    display: none;
  }
}
</style>

<el-table :data="datas" style="width: 100%;"
   row-key="id" @select="handleSelectionChange" @select-all="handleAllChange">
    <el-table-column type="selection" width="55" />
    <el-table-column label="排名" prop="rank" align="center"/>
    <el-table-column label="时长" prop="time" align="center"/>
</el-table>
<script setup lang="ts">
// 选择多个选择框
const handleSelectionChange = (selecteds: any, row: any) => {}
// 全选
const handleAllChange= (row:any) => {}
</script>

<template>
  <div>
    <el-form
      ref="menuEditForm"
      :model="form"
      :label-width="formLabelWidth"
      :size="size"
      :rules="rules"
      clearable
    >
      <el-row>
        <el-col :span="12">
          <el-form-item label="父级字典：" prop="parentId">
            <el-cascader ref="myCascader" v-model="form.parentId" :props="{ checkStrictly: true,emitPath:false,expandTrigger:'hover' }" :options="menuTree" :show-all-levels="false" placeholder="请选择父级字典" clearable />
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="字典名称：" :rules="rules.Required" prop="dictionaryName">
            <el-input
              v-model="form.dictionaryName"
              autocomplete="off"
              :show-word-limit="true"
              placeholder="请输入字典名称"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row v-if="title==='添加字典'">
        <el-col :span="24">
          <el-form-item label="字典编码：" :rules="rules.Required" prop="dictionaryCode">
            <el-input
              v-model="form.dictionaryCode"
              autocomplete="off"
              :show-word-limit="true"
              placeholder="请输入字典编码"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-form-item
        label="备注："
        prop="remark"
      >
        <el-input
          v-model="form.remark"
          type="textarea"
          maxlength="200"
          :show-word-limit="true"
          autocomplete="off"
        />
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import { getChildrens, getDictionaryInfo, EditDictionary } from '@/api/dictionary'
import rules from '@/utils/rules'
export default {
  props: {
    id: {
      type: Number,
      default: 0
    },
    title: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      menuTree: [], // 字典树
      rules: rules,
      formLabelWidth: '120px',
      size: 'small',
      loading: false,
      form: {
        id: this.id,
        parentId: 0,
        parentDictionaryName: '',
        dictionaryCode: '',
        dictionaryName: '',
        remark: '',
        deleteState: true
      }
    }
  },
  created() {
    this.fetchInitData()
  },
  methods: {
    handlePagedCallback() {
      this.$emit('handlePagedCallback')
    },
    handleSubmitForm() {
      this.$refs['menuEditForm'].validate((valid) => {
        if (valid) {
          this.loading = true
          EditDictionary(this.form).then((res) => {
            this.loading = false
            if (res.code === 200) {
              if (res.data) {
                this.$message.success('操作成功')
                this.handlePagedCallback()
              } else {
                this.$message.error('操作失败')
              }
            } else {
              this.$message.error(res.message)
            }
          })
        }
      })
    },
    handleResetForm() {
      if (this.$refs['menuEditForm']) {
        this.$refs['menuEditForm'].resetFields()
      }
    },
    fetchInitData() {
      getChildrens().then((res) => {
        if (res.code === 200) {
          this.menuTree = JSON.parse(JSON.stringify(res.data).replace(/id/g, 'value').replace(/dictionaryName/g, 'label'))
          this.fetchFormData()
        }
      })
    },
    fetchFormData() {
      this.handleResetForm()
      if (this.id !== 0) {
        const id = { Id: this.id }
        getDictionaryInfo(id).then((res) => {
          if (res.code === 200) {
            this.form = Object.assign(this.form, res.data)
          }
        })
      }
    }
  }
}
</script>

<template>
  <div class="app-container">
    <div class="search-container">
      <!-- 搜索项目 -->
      <el-form :inline="true" :model="search" size="small">
        <el-form-item>
          <el-input v-model="search.keyword" placeholder="字典名称" />
        </el-form-item>
        <el-form-item>
          <el-button
            v-rolebtn="'BTN-ZDGL-查询'"
            type="primary"
            icon="el-icon-search"
            @click="handleReloadPaged"
          >查询</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="toolbar-container">
      <!-- 按钮组 -->
      <el-button
        v-rolebtn="'BTN-ZDGL-新增字典'"
        type="success"
        size="small"
        plain
        @click="AddDialog"
      >新增</el-button>
      <el-button
        v-rolebtn="'BTN-ZDGL-编辑字典'"
        type="primary"
        size="small"
        plain
        @click="EditDialog"
      >修改</el-button>
      <el-button
        v-rolebtn="'BTN-ZDGL-删除字典'"
        type="danger"
        size="small"
        plain
        @click="handleDelete"
      >删除</el-button>
    </div>
    <el-table
      ref="myTable"
      :data="table.data"
      :border="table.border"
      style="width: 100%"
      empty-text="暂无数据"
      row-key="id"
      lazy
      :load="lazyload"
      :default-expand-all="false"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="60" />
      <el-table-column prop="dictionaryName" label="字典名称" />
      <el-table-column prop="dictionaryCode" label="字典编码" />
      <el-table-column prop="parentDictionaryName" label="父级字典名称" />
      <el-table-column prop="createTime" label="创建时间" />
      <el-table-column prop="remark" label="备注" />
    </el-table>
    <Pagination
      :total="pagination.total"
      :current="pagination.index"
      :page-size="pagination.size"
      @handlePaginationChange="handlePaginationChange"
      @handleSizeChange="handlePaginationChange"
    />
    <div class="dialog-container">
      <el-dialog
        v-if="dialog.edit.visible"
        ref="menuEditDialog"
        :title="dialog.edit.title"
        :visible.sync="dialog.edit.visible"
        :width="dialog.edit.width"
        :close-on-click-modal="dialog.close"
        :close-on-press-escape="dialog.close"
      >
        <EditForm
          :id="dialog.edit.id"
          ref="Submit"
          :title="dialog.edit.title"
          @handlePagedCallback="handleEditCallback"
        />
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialog.edit.visible = false">取 消</el-button>
          <el-button type="primary" @click="Submit">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </div>
</template>
<script>
import Pagination from '@/components/Pagination'
import EditForm from './EditForm'
import { getDictionaryNext, getDictionaryRoute, DeleteDictionaryRoute } from '@/api/dictionary'
export default {
  components: { Pagination, EditForm },
  data() {
    return {
      search: {
        keyword: ''
      },
      searchId: 0,
      // 表格数据
      table: {
        data: [],
        selectRows: [],
        border: false
      },
      currChildren: [],
      // 分页数据
      pagination: {
        index: 1,
        size: 20,
        total: 0
      },
      // 弹出层
      dialog: {
        close: false, // 是否关闭
        edit: {
          id: 0,
          title: '修改字典', // 弹出层title
          visible: false, // 弹出层是否显示
          width: '800px' // 弹出层宽度
        }
      },
      layzNode: null,
      layztreeNode: null,
      layzresolve: null
    }
  },
  created() {
    this.getDictionaryList()
  },
  methods: {
    lazyload(tree, treeNode, resolve) {
      if (tree) {
        var data = {
          Id: tree.id
        }
        getDictionaryNext(data).then((res) => {
          if (res.code === 200) {
            this.layzNode = tree
            this.layztreeNode = treeNode
            this.layzresolve = resolve
            resolve(res.data)
          }
        })
      }
    },
    Submit() {
      this.$refs.Submit.handleSubmitForm()
    },
    // 勾选
    handleSelectionChange(selection) {
      this.table.selectRows = selection
    },
    // 新增
    AddDialog() {
      this.dialog.edit.id = 0
      this.dialog.edit.title = '添加字典'
      this.dialog.edit.visible = true
    },
    // 修改
    EditDialog() {
      if (this.table.selectRows.length !== 1) {
        this.$message.warning('请选择要修改的字典')
      } else {
        this.dialog.edit.id = this.table.selectRows[0].id
        this.dialog.edit.title = '修改字典'
        this.dialog.edit.visible = true
      }
    },
    // 修改成功回调
    handleEditCallback() {
      this.dialog.edit.visible = false
      this.dialog.edit.id = 0
      this.$nextTick(() => {
        this.$set(this.$refs.myTable.store.states.lazyTreeNodeMap, this.layzNode.id, [])
        this.lazyload(this.layzNode, this.layztreeNode, this.layzresolve)
        this.getDictionaryList()
      })
    },
    // 删除
    handleDelete() {
      if (this.table.selectRows.length === 0) {
        this.$message.warning('未勾选记录')
        return
      }
      const ids = []
      this.table.selectRows.forEach((it) => {
        ids.push(it.id)
      })
      this.$confirm('此操作将永久删除勾选记录, 是否继续?').then(() => {
        DeleteDictionaryRoute(ids).then((res) => {
          if (res.code === 200) {
            if (res.data) {
              this.$nextTick(() => {
                this.getDictionaryList()
                this.$set(this.$refs.myTable.store.states.lazyTreeNodeMap, this.layzNode.id, [])
                this.lazyload(this.layzNode, this.layztreeNode, this.layzresolve)
              })
              this.$message.success('操作成功')
            } else {
              this.$message.error('操作失败')
            }
          } else {
            this.$message.error(res.message)
          }
        })
      })
    },
    // 列表接口
    getDictionaryList() {
      var data = {
        searchName: this.search.keyword,
        searchId: this.searchId,
        pageIndex: this.pagination.index,
        pageSize: this.pagination.size
      }
      getDictionaryRoute(data).then((res) => {
        if (res.code === 200) {
          this.pagination.total = res.data.total
          this.table.data = res.data.data
        }
      })
    },
    // 重载表格
    handleReloadPaged() {
      this.pagination.index = 1
      this.getDictionaryList()
    },
    // 分页变更
    handlePaginationChange(data) {
      this.pagination.index = data.current
      this.pagination.size = data.pageSize
      this.getDictionaryList()
    }
  }
}
</script>

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