element自定义验证

文章描述:

  template <el-form :model=”ruleForm” :rules=”r […]

 

template

<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
  <el-form-item label="活动名称" prop="name">
    <el-input v-model="ruleForm.name"></el-input>
  </el-form-item>
  <el-form-item label="活动区域" prop="region">
    <el-select v-model="ruleForm.region" placeholder="请选择活动区域">
      <el-option label="区域一" value="shanghai"></el-option>
      <el-option label="区域二" value="beijing"></el-option>
    </el-select>
  </el-form-item>
  <el-form-item>
    <el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button>
    <el-button @click="resetForm('ruleForm')">重置</el-button>
  </el-form-item>
</el-form>

 

 

el-form-item 添加class

class=" is-error is-required"
<div class="el-form-item__error" v-if="checked.length==0 && isValidate == true ">
       请选择活动区域
</div>

 

 

script

 rules: {
          name: [
            { required: true, message: '请输入活动名称', trigger: 'blur' },
            { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
          ],
          region: [
            { required: true, message: '请选择活动区域', trigger: 'change' }
          ],
 }

 

submit() {
      if(this.checked.length == 0)
      {
        this.isValidate = true
      }else{
        this.isValidate = false
      }
}

 

发布时间:2023/12/13

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