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vue表单自定义校验规则介绍

A_小鹏 人气:0

如下所示:

<div id="app">
<el-form :model="ruleForm2" :rules="rules2" ref="ruleForm2" label-width="100px" class="demo-ruleForm">
 <el-form-item label="密码" prop="pass">
  <el-input type="password" v-model="ruleForm2.pass" auto-complete="off"></el-input>
 </el-form-item>
 <el-form-item label="确认密码" prop="checkPass">
  <el-input type="password" v-model="ruleForm2.checkPass" auto-complete="off"></el-input>
 </el-form-item>
 <el-form-item label="年龄" prop="age">
  <el-input v-model.number="ruleForm2.age"></el-input>
 </el-form-item>
 <el-form-item>
  <el-button type="primary" @click="submitForm('ruleForm2')">提交</el-button>
  <el-button @click="resetForm('ruleForm2')">重置</el-button>
 </el-form-item>
</el-form>
</div>
var Main = {
  data() {
   var checkAge = (rule, value, callback) => {
    if (!value) {
     return callback(new Error('年龄不能为空'));
    }
    setTimeout(() => {
     if (!Number.isInteger(value)) {
      callback(new Error('请输入数字值'));
     } else {
      if (value < 18) {
       callback(new Error('必须年满18岁'));
      } else {
       callback();
      }
     }
    }, 1000);
   };
   var validatePass = (rule, value, callback) => {
    if (value === '') {
     callback(new Error('请输入密码'));
    } else {
     if (this.ruleForm2.checkPass !== '') {
      this.$refs.ruleForm2.validateField('checkPass');
     }
     callback();
    }
   };
   var validatePass2 = (rule, value, callback) => {
    if (value === '') {
     callback(new Error('请再次输入密码'));
    } else if (value !== this.ruleForm2.pass) {
     callback(new Error('两次输入密码不一致!'));
    } else {
     callback();
    }
   };
   return {
    ruleForm2: {
     pass: '',
     checkPass: '',
     age: ''
    },
    rules2: {
     pass: [
      { validator: validatePass, trigger: 'blur' }
     ],
     checkPass: [
      { validator: validatePass2, trigger: 'blur' }
     ],
     age: [
      { validator: checkAge, trigger: 'blur' }
     ]
    }
   };
  },
  methods: {
   submitForm(formName) {
    this.$refs[formName].validate((valid) => {
     if (valid) {
      alert('submit!');
     } else {
      console.log('error submit!!');
      return false;
     }
    });
   },
   resetForm(formName) {
    this.$refs[formName].resetFields();
   }
  }
 }
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')

vue2.X+elementUI表单自定义验证方法

<template>
 <div class="taxi-appointment-dairen">
  <el-form :model="ruleForm" :rules="rules" ref="ruleForm">
   <div class="dairen-input">
    <el-form-item>
     <el-input
      v-model="ruleForm.name"
      placeholder="请输入乘车人姓名(选填)">
     </el-input>
    </el-form-item>
    <i class="fa fa-user fa-2x"></i>
   </div>
   <div class="dairen-input">
    <el-form-item prop="number">
     <el-input
      v-model="ruleForm.number"
      placeholder="请输入乘车人手机号码">
     </el-input>
    </el-form-item>
    <i class="fa fa-mobile-phone fa-2x"></i>
   </div>
   <div class="popover-btn">
    <el-button @click="submitForm('ruleForm')" type="primary">确定</el-button>
   </div>
  </el-form>
 </div>
</template>
<script>
 export default {
  data () {
   var ruleNumber = (rule, value, callback) => {
    var myreg = /^[1][3,4,5,7,8][0-9]{9}$/;
    if (value === '') {
     callback(new Error('请输入乘车人手机号码'));
    } else if(!myreg.test(value)) {
     callback(new Error('请输入正确乘车人手机号码'));
    }else {
     callback();  //重点在这 如果在验证通过后不添加callback()函数在验证时是条件会为false
    }
   };
   return {
    ruleForm: {
     name: '',
     number: ''
    },
    rules: {
     number: [{ validator: ruleNumber, trigger: 'blur' }]
    }
   }
  },
  methods: {
   submitForm (formName) {
    this.$refs[formName].validate((valid) => {
     if (valid) {   //在验证通过时时不返回callback()时 这一步进不来
      console.log(valid)
     } else {
      return false
     }
    });
   }
  }
 }
</script>

以上这篇vue表单自定义校验规则介绍就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。

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