el-table + el-form实现可编辑表格字段验证

<div class="table_box">
  <el-button type="primary" class="submit_btn" @click="addTable">添加</el-button>
  <!-- 如果不想展示错误提示信息,可以加上show-message参数 -->
  <el-form :model="productRuleForm" ref="productRuleForm" :rules="productRuleForm.rules" :show-message="false">
    <el-table
      :data="productRuleForm.tableData"
      border
      style="width: 100%">
      <el-table-column
        prop="date"
        label="日期"
        width="180">
        <template slot-scope="scope">
        <!-- prop的规则: 在普通的form表单中是一个对象,prop是对象的属性. 表格是由多个对象组成的数组,在写prop是需要根据索引给值.这里的tableData就相当于对象的属性 !-->
        <!-- rules也要单独给 -->
          <el-form-item
            :prop="‘tableData.‘ + scope.$index + ‘.date‘"
            :rules=‘productRuleForm.rules.date‘>
            <el-date-picker
              v-model="scope.row.date"
              value-format="yyyy-MM-dd"
              placeholder="选择日期">
            </el-date-picker>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column
        prop="name"
        label="姓名"
        width="180">
        <template slot-scope="scope">
          <el-form-item
            :prop="‘tableData.‘ + scope.$index + ‘.name‘"
            :rules=‘productRuleForm.rules.name‘>
            <el-input v-model="scope.row.name"></el-input>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column
        prop="phone"
        label="电话">
        <template slot-scope="scope">
          <el-form-item
            :prop="‘tableData.‘ + scope.$index + ‘.phone‘"
            :rules=‘productRuleForm.rules.phone‘>
            <el-input v-model="scope.row.phone"></el-input>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column
        prop="address"
        label="地址">
        <template slot-scope="scope">
          <el-form-item
            :prop="‘tableData.‘ + scope.$index + ‘.address‘"
            :rules=‘productRuleForm.rules.address‘>
            <el-input v-model="scope.row.address"></el-input>
          </el-form-item>
        </template>
      </el-table-column>
    </el-table>
  </el-form>
  <el-button type="primary" class="submit_btn" @click="submit">提交</el-button>
</div>

data () {
    return {
      productRuleForm: {
        tableData: [{
          date: ‘‘,
          name: ‘‘,
          phone: ‘‘,
          address: ‘‘
        }],
        rules: {
          date: [{ required: true, message: ‘请选择日期‘, trigger: ‘change‘ }],
          name: [{ required: true, message: ‘请输入姓名‘, trigger: ‘blur‘ }],
          phone: [{ required: true, message: ‘请输入电话号码‘, trigger: ‘blur‘ }],
          address: [{ required: true, message: ‘请输入地址‘, trigger: ‘blur‘ }]
        }
      }
    }
  },
 methods: {
    // 添加一行
    addTable () {
      this.productRuleForm.tableData.push({
        date: ‘‘,
        name: ‘‘,
        phone: ‘‘,
        address: ‘‘
      })
    },

    // 提交数据
    submit () {
      this.$refs[‘productRuleForm‘].validate((valid) => {
        if (valid) {

        }
      })
    }
 }