增加一个表格新增行时的校验demo

效果图,在新增行时增加空值判断,如果有空值不允许新增行

vue2代码示例
<template>
  <div class="home">
    <el-form :model="form" ref="form" :rules="rules">
      <el-table
        :data="form.tableData"
        style="width: 100%">
        <el-table-column
          label="日期"
          width="180">
          <template slot-scope="scope">
            <el-form-item :prop="`tableData.${scope.$index}.date`" :rules="rules.date">
              <el-input v-model="scope.row.date"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column
          prop="name"
          label="姓名"
          width="180">
          <template slot-scope="scope">
            <el-form-item :prop="`tableData.${scope.$index}.name`" :rules="rules.name">
              <el-input v-model="scope.row.name"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column
          prop="address"
          label="地址">
          <template slot-scope="scope">
            <el-form-item :prop="`tableData.${scope.$index}.address`" :rules="rules.address">
              <el-input v-model="scope.row.address"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
      </el-table>
    </el-form>
    <el-button @click="validForm">新增校验</el-button>
  </div>
</template>

<script>
// @ is an alias to /src

export default {
  name: 'HomeView',
  components: {},
  data () {
    return {
      rules: {
        date: [
          { required: true, message: '请选择日期', trigger: ['change', 'input'] }
        ],
        name: [
          { required: true, message: '请选择名称', trigger: ['change', 'input'] }
        ],
        address: [
          { required: true, message: '请选择地址', trigger: ['change', 'input'] }
        ]
      },
      form: {
        tableData: []
      }
    }
  },
  methods: {
    validForm () {
      console.log(this.form)
      this.$refs.form.validate(valid => {
        if (valid) {
          this.form.tableData.push({})
        }
      })
    }
  },
  created () {
    this.form.tableData = [
      {
        date: '2016-05-04',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1517 弄'
      }, {
        date: '2016-05-01',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1519 弄'
      }, {
        date: '2016-05-03',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1516 弄'
      }
    ]
  }
}
</script>