element ui 新增动态表单_elementui动态添加表单

以下代码：

<div v-for="(item, index) in addForm.domains" :key="index">
  <el-form-item
    label="联系人"
    :prop="'domains.' + index + '.contactss'"
    :rules="{
      required: true, message: '联系人不能为空', trigger: 'blur'
    }"
  >
    <el-input v-model="item.contactss" style="width:300px" />
  </el-form-item>
  <el-form-item
    label="试点名称"
    :prop="'domains.' + index + '.regionNames'"
    :rules="[
      {required: true, message: '试点名称不能为空', trigger: 'blur'}
    ]"
  >
    <el-input v-model="item.regionNames" style="width:300px" />
  </el-form-item>
  <el-form-item
    label="承试单位"
    :prop="'domains.' + index + '.undertakeOrgs'"
    :rules="[
      {required: true, message: '承试单位不能为空', trigger: 'blur'}
    ]"
  >
    <el-input v-model="item.undertakeOrgs" style="width:300px" />
  </el-form-item>
  <el-form-item
    label="试验情况"
    :prop="'domains.' + index + '.remarks'"
    :rules="[
      {required: true, message: '试验情况不能为空', trigger: 'blur'}
    ]"
  >
    <el-input v-model="item.remarks" style="width:300px" />
  </el-form-item>
  <el-form-item>
    <i class="el-icon-delete" @click="deleteItem(item, index)" />
  </el-form-item>
</div>
<div class="text-center">
  <el-button @click="addItem">新增试点</el-button>
  <el-button class="button" @click="handleAddcancel()">取消</el-button>
  <el-button class="button" type="primary" @click="handleAddsave()">保存</el-button>
</div>

domains: [{
  contactss: '',
  regionNames: '',
  undertakeOrgs: '',
  remarks: ''
}],

addItem() {
  this.addForm.domains.push({
    contactss: '',
    regionNames: '',
    undertakeOrgs: '',
    remarks: ''
  })
},
deleteItem(item, index) {
  if (this.addForm.domains.length !== 1) {
    this.addForm.domains.splice(index, 1)
  } else {
    Message({ message: '最少添加一个试点', type: 'warning', duration: 5 * 1000 })
  }
},
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