vue+element-ui实现表格编辑（增加或删除行，删除单行或删除多行）

<template>
  <div>
    <div style="margin-bottom: 20px">
      <el-button @click="add">增加</el-button>
      <el-button @click="dels">批量删除</el-button>
    </div>

    <el-table
      ref="multipleTable"
      :data="tableData"
      tooltip-effect="dark"
      style="width: 100%"
      @selection-change="selectChange"
    >
      <el-table-column type="selection" width="45"></el-table-column>
      <el-table-column label="日期" width="120">
        <template slot-scope="scope">{{ scope.row.date }}</template>
      </el-table-column>
      <el-table-column prop="name" label="姓名" width="120"></el-table-column>
      <el-table-column prop="address" label="地址" show-overflow-tooltip></el-table-column>
      <el-table-column label="操作" width="180">
        <template slot-scope="scope">
          <el-button size="mini" type="danger" @click="del(scope.row, scope.$index)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
// api
import tableApi from '@/api'
export default {
  data() {
    return {
      tableData: [
        {
          id: '0',
          date: '2016-05-03',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        },
        {
          id: '1',
          date: '2016-05-02',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        },
        {
          id: '2',
          date: '2016-05-04',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        },
        {
          id: '3',
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        },
        {
          id: '4',
          date: '2016-05-08',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        },
        {
          id: '5',
          date: '2016-05-06',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        },
        {
          id: '6',
          date: '2016-05-07',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        }
      ],
      multipleSelection: []
    }
  },
  methods: {
    // 增加行
    add() {
      const row = {
        date: '2016-05-03',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      }
      this.tableData.unshift(row)
    },
    /**
     * 批量删除行
     * @param {object} row 行数据
     * @param {number} i 数据的序号
     */
    dels(row, i) {
      if (row) {
        if (!row.id) {
          this.tableData.splice(i, 1)
          return false
        }

        tableApi
          .dels({ id: row.id })
          .then(res => {
            if (res.status === 200) {
              this.$message.success('删除成功')
              this.getList()
            } else {
              this.$message.error('获取数据失败')
            }
          })
          .catch(e => {
            this.$message.error(e.message)
          })
      } else {
        if (this.multipleSelection.length === 0) {
          this.$message.warning('请至少选择一行数据')
          return false
        }
        const id = this.multipleSelection
          .filter(item => item.id)
          .map(item => item.id)
          .join(',')
        tableApi
          .dels({ id })
          .then(res => {
            if (res.status === 200) {
              this.$message.success('删除成功')
              this.getList()
            } else {
              this.$message.error('获取数据失败')
            }
          })
          .catch(e => {
            this.$message.error(e.message)
          })
      }
    },
    // 获取表格数据
    getList() {
      tableApi
        .getList()
        .then(res => {
          if (res.status === 200) {
            this.tableData = res.data
          } else {
            this.$message.error('获取数据失败')
          }
        })
        .catch(e => {
          this.$message.error(e.message)
        })
    },
    selectChange(val) {
      this.multipleSelection = val
    }
  }
}
</script>