[JavaScript知识库]element-ui 循环动态生成表单校验

<el-form :model="upsertForm" ref="upsertForm" label-width="100px" class="demo-dynamic">
  <el-form-item
    prop="email"
    label="邮箱"
    :rules="[
      { required: true, message: '请输入邮箱地址', trigger: 'blur' },
      { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
    ]"
  >
    <el-input v-model="upsertForm.email"></el-input>
  </el-form-item>
  <el-form-item
    v-for="(domain, index) in upsertForm.domains"
    :label="'专利号' + index"
    :key="domain.key"
    :prop="

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