<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
  }
  })
}