Vue3+Vite+TypeScript+Element Plus开发-22.客制Table组件

<template>
  <div>
    <!-- 表格 -->
    <el-table
      :data="currentPageData"
      style="width: 100%"
      border
      @selection-change="handleSelectionChange"
    >
      <!-- 选择列 -->
      <el-table-column
        v-if="showSelection"
        type="selection"
        width="55"
        align="center"
      ></el-table-column>

      <!-- 序号列 -->
      <el-table-column
        type="index"
        label="序号"
        width="50"
        align="center"
      ></el-table-column>

      <!-- 动态列 -->
      <el-table-column
        v-for="column in visibleColumns"
        :key="column.prop"
        :prop="column.prop"
        :label="column.label"
        :width="column.width"
        :align="column.align || 'left'"
      ></el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="currentPage"
      :page-size="pageSize"
      :page-sizes="pageSizes"
      layout="total, sizes, prev, pager, next, jumper"
      :total="tableData.length"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      style="margin-top: 20px"
    ></el-pagination>
  </div>
</template>

<script setup>
import { ref, computed, defineProps, defineEmits, watch } from 'vue';

const props = defineProps({
  tableColumns: {
    type: Array,
    required: true,
    default: () => [],
  },
  tableData: {
    type: Array,
    required: true,
    default: () => [],
  },
  pageSize: {
    type: Number,
    default: 10,
  },
  pageSizes: {
    type: Array,
    default: () => [5, 10, 15, 20],
  },
  showSelection: {
    type: Boolean,
    default: false,
  },
});

const emit = defineEmits(['update:currentPage', 'update:pageSize', 'selection-change']);

const currentPage = ref(1);

const currentPageData = computed(() => {
  const start = (currentPage.value - 1) * props.pageSize;
  const end = start + props.pageSize;
  return props.tableData.slice(start, end);
});

const visibleColumns = computed(() => {
  return props.tableColumns.filter((column) => !column.hide);
});

const handleSizeChange = (newSize) => {
  console.log(`分页大小改变，新的分页大小为: ${newSize}`);
  emit('update:pageSize', newSize);
  currentPage.value = 1; // 重置当前页为第一页
  emit('update:currentPage', currentPage.value);
};

const handleCurrentChange = (newPage) => {
  console.log(`当前页码改变，新的页码为: ${newPage}`);
  currentPage.value = newPage;
  emit('update:currentPage', currentPage.value);
};

const handleSelectionChange = (selection) => {
  emit('selection-change', selection);
};

// 监听 currentPage 和 pageSize 的变化并记录日志
watch(currentPage, (newVal, oldVal) => {
  console.log(`currentPage changed from ${oldVal} to ${newVal}`);
});

watch(() => props.pageSize, (newVal, oldVal) => {
  console.log(`pageSize changed from ${oldVal} to ${newVal}`);
});
</script>

父组件-Table组件显示

功能说明：

1. 按钮组件引用： 删除按钮默认不可用。

2. 表格组件引用： 每页显示 5 条数据。

3. 栏位数据模拟： 地址栏位默认隐藏。

4. 勾选功能：

• 勾选数据后，删除按钮变为可用状态；

• 未勾选任何数据时，删除按钮保持不可用状态。

5. 勾选数据展示： 勾选的数据会在表格下方空白处显示。

6. 删除按钮功能： 点击删除按钮时，获取勾选的数据。

html 复制代码

<template>

  <div>

    <ActionButtonGroup
        :show-add="hasPermission('demo2:create')"  
        :show-delete="true"
        :disabled-add="false"
        :disabled-edit="!selectedData.length"
        :disabled-delete="!selectedData.length"
  
        @add="handleAdd"
        @edit="handleEdit"
        @delete="handleDelete"
      />
    <!-- 表格 -->
    <CustomTable
      :tableColumns="columns"
      :tableData="data"
      :pageSize="pageSize"
      :pageSizes="[5, 10, 15, 20, 30]"
      :showSelection="true"
      @update:currentPage="currentPage = $event"
      @update:pageSize="pageSize = $event"
      @selection-change="handleSelectionChange"
    />

   

    <!-- 显示选中数据 -->
    <div v-if="selectedData.length > 0" style="margin-top: 20px">
      <h3>选中的数据：</h3>
      <pre>{{ selectedData }}</pre>
    </div>
  </div>
</template>

<script setup>
import { ref } from 'vue';
import CustomTable from '@/components/ActionTableCont.vue';
import { usePermission } from "@/utils/permissionUtils";
import ActionButtonGroup from "@/components/ActionBtnHdrCont.vue";
import {
  Plus,
  Check,
  Delete,
  Edit,
  Message,
  Search,
  Star,
  Upload,
} from '@element-plus/icons-vue'

const hasPermission = usePermission();

const columns = ref([
  {
    prop: 'date',
    label: '日期',
    width: 180,
  },
  {
    prop: 'name',
    label: '姓名',
    width: 180,
  },
  {
    prop: 'address',
    label: '地址',
    hide: true,
  },
]);

const data = ref([
  {
    id: 1,
    date: '2025-04-14',
    name: '张三',
    address: '上海市普陀区金沙江路 1518 弄',
  },
  {
    id: 2,
    date: '2025-04-15',
    name: '李四',
    address: '上海市普陀区金沙江路 1517 弄',
  },
  {
    id: 3,
    date: '2025-04-16',
    name: '王五',
    address: '上海市普陀区金沙江路 1516 弄',
  },
  {
    id: 4,
    date: '2025-04-17',
    name: '赵六',
    address: '上海市普陀区金沙江路 1515 弄',
  },
  {
    id: 5,
    date: '2025-04-18',
    name: '孙七',
    address: '上海市普陀区金沙江路 1514 弄',
  },
  {
    id: 6,
    date: '2025-04-19',
    name: '周八',
    address: '上海市普陀区金沙江路 1513 弄',
  },
  {
    id: 7,
    date: '2025-04-20',
    name: '吴九',
    address: '上海市普陀区金沙江路 1512 弄',
  },
  {
    id: 8,
    date: '2025-04-21',
    name: '郑十',
    address: '上海市普陀区金沙江路 1511 弄',
  },
  {
    id: 9,
    date: '2025-04-22',
    name: '钱十一',
    address: '上海市普陀区金沙江路 1510 弄',
  },
  {
    id: 10,
    date: '2025-04-23',
    name: '孔十二',
    address: '上海市普陀区金沙江路 1509 弄',
  },
  {
    id: 11,
    date: '2025-04-24',
    name: '秦十三',
    address: '上海市普陀区金沙江路 1508 弄',
  },
  {
    id: 12,
    date: '2025-04-25',
    name: '尤十四',
    address: '上海市普陀区金沙江路 1507 弄',
  },
]);

const currentPage = ref(1);
const pageSize = ref(5);// 默认每页显示5条数据

// 用于存储选中的数据
const selectedData = ref([]);

// 处理选中数据变化
const handleSelectionChange = (selection) => {
  selectedData.value = selection;
};

// 获取选中数据
const handleDelete = () => {
  console.log('Selected Data:', selectedData.value);
  console.log('Selected  Data length:', selectedData.value.length);
  if (selectedData.value.length > 0) {
    // 删除逻辑
    console.log('Deleting selected data...');
    selectedData.value = [];
  } else {
    console.log('No selected data to delete.');
  }
  
};
</script>