vue-elementui-el-table-el-form：动态列表表单增删及表单验证

<template>
  <el-form ref="form" :model="form" label-width="80px">
    <el-form-item label="用户信息">
      <el-button size="small" @click="addUser">添加用户</el-button>
      <el-table :data="form.users" style="width: 100%;">
        <el-table-column prop="name" label="姓名" width="180">
          <template slot-scope="scope">
            <el-form-item :prop="'users[' + scope.$index + '].name'" :rules="rules.name">
              <el-input v-model="scope.row.name"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column prop="age" label="年龄" width="180">
          <template slot-scope="scope">
            <el-form-item :prop="'users[' + scope.$index + '].age'" :rules="rules.age">
              <el-input v-model.number="scope.row.age"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button size="mini" type="danger" @click="removeUser(scope.$index)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="submitForm('form')">提交</el-button>
      <el-button @click="resetForm('form')">重置</el-button>
    </el-form-item>
  </el-form>
</template>
 
<script>
export default {
  data() {
    return {
      form: {
        users: [
          // 初始为空数组
        ]
      },
      rules: {
        name: [
          { required: true, message: '请输入姓名', trigger: 'blur' }
        ],
        age: [
          { required: true, message: '请输入年龄', trigger: 'blur' },
          { type: 'number', message: '年龄必须是数字值', trigger: 'blur' }
        ]
      }
    };
  },
  methods: {
    addUser() {
      this.form.users.push({
        name: '',
        age: null
      });
    },