在vue+ts+element-ui项目中，校验循环的表单项

 1.index.vue

# index.vue

<el-form-item label="数据丰富">
  <div v-for="(item, index) in formData.richData" :key="index">
  <el-col :span="17" class="mr-8">
    <el-form-item :prop="`richData.${index}.richDataValue`" :rules="rules.richDataValue">
      <el-input
      type="textarea"
      placeholder="请输入规则"
      clearable
      v-model="item.richDataValue"
      ></el-input>
    </el-form-item>
  </el-col>
  <el-col :span="2" v-if="formData.richData.length > 1 && index !== 0">
    <el-button @click.prevent="remove(item, 'x')">删除</el-button>
  </el-col>
  </div>

  <el-col class="flex" style="justify-content: end;">
    <el-form-item>
      <el-button @click="add('x')">新增</el-button>
    </el-form-item>
  </el-col>
</el-form-item>

2.index.ts

rules = {
    richDataValue: [
      { required: true, message: '请选择输入规则', trigger: 'blur' },
    ],
  }