<el-form ref="form" :rules="rules" :model="form" label-width="300px">
    <el-form-item label="发货地址：" prop="fAdderss">
     <el-input class="inp" v-model="form.fAdderss" auto-complete="true"></el-input>
     <el-button type="primary" class="btn-add" @click="onSubmit">常用地址</el-button>
    </el-form-item>
   </el-form>

<script>
export default {
 data() {
  return {
   form: {
    fAdderss: '',
   },
   // 校验规则
   rules: {
    fAdderss: [
    { required: true, //是否必填
     message: '地址不能为空', //规则
     trigger: 'blur' //何事件触发
    },
    //可以设置双重验证标准
    { min: 3, max: 5, message: '长度在 3 到 5 个字符', }
   ]
   }
  }
 }
}
</script>

 <el-form ref="form" :rules="rules" :model="form" label-width="300px">  
    <el-form-item label="发货人电话" prop="phone">
     <el-input class="inp" v-model="form.phone" auto-complete="true"></el-input>
    </el-form-item>
   </el-form>

<script>
export default {
 data() {
  // 此处自定义校验手机号码js逻辑
  var phoneReg = /^[1][3,4,5,7,8][0-9]{9}$/
  var validatePhone = (rule, value, callback) => {
   if (!value) {
    return callback(new Error('号码不能为空!!'))
   }
   setTimeout(() => {
    if (!phoneReg.test(value)) {
     callback(new Error('格式有误'))
    } else {
     callback()
    }
   }, 1000)
  }
  return {
   form: {  
    phone: '',
   },
   // 校验规则
   rules: {
    // 校验手机号码，主要通过validator来指定验证器名称
    phone: [{ required: true, validator: validatePhone, trigger: 'blur' }]
   },
  }
 }
}
</script>

//form
<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" >
//表单项
 <el-form-item label="发货人电话" prop="phone">
     <el-input class="inp" v-model="form.phone" auto-complete="true"></el-input>
 </el-form-item>、
 ...
 //提交按钮
 <el-button class="btn-login" type="primary" size="medium" @click="submitForm('ruleForm')">立即登录</el-button>       
</el-form>

 methods: {
  submitForm(formName) {
   this.$refs[formName].validate(valid => {
    if (valid) {
       //如果通过验证 to do...
    } else {
     console.log('error submit!!')
     return false
    }
   })
  }