记录一下自己用过的不同工具的表单验证方法，默认非表单提交而是用resultful请求风格提交。
原生H5验证：
<form id="form-demo" onsubmit="return false;"><input type="text" class="form-control modaltd" placeholder="请输入..." id="s01Form" required >
var form = document.getElementById("form-demo"),submitBtn = document.getElementById("subBtn");submitBtn.addEventListener("click", function() {var invalidFields = form.querySelectorAll(":invalid");let obj;for(var i=0,len=invalidFields.length;i<len;++i){obj = document.getElementById(invalidFields[i].id);if (obj.validity.valueMissing==true){obj.setCustomValidity('请输入值');return true;}else {obj.setCustomValidity('');}}//发送请求。。。return true;});
LayUI：
<form method="post" class="layui-form"><input id="q01" type="text" lay-verify="required" class="layui-input" name="q01">
layui.use('form', function(){var form = layui.form;//监听提交form.on('submit(formDemo)', function(data){obj=data.field;for (var item in obj){var value = obj[item];if (value==""||value==undefined){layer.msg("存在未选择信息");return false;}}create.add();return false;});});
amazeUI
<form class="am-form" action="" method="post" id="sysUserForm"><input minlength="6" v-model="sysUser.vcUserName" class="am-form-field am-round" type="text" name="vcUserName" placeholder="设置用户名">
$('#sysUserForm').validator({validateOnSubmit: true,submit: function() {if(this.isFormValid()) {sysUserFormDiv.submit();return false;}return false;},onValid: function(validity) {$(validity.field).closest('.am-form-group').find('.am-alert').hide();},onInValid: function(validity) {var $field = $(validity.field);var $group = $field.closest('.am-form-group');var $alert = $group.find('.am-alert');// 使用自定义的提示信息 或 插件内置的提示信息var msg = $field.data('validationMessage') || this.getValidationMessage(validity);if (!$alert.length) {$alert = $('<div class="am-alert am-alert-danger"></div>').hide().appendTo($group);}$alert.html(msg).show();},patterns: {mobile:/^1(3|5|7|8){1}\d{9}$/,sid:/^20\d{10}$/,qq:/^[1-9][0-9]{4,14}$/,email:/^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/},patternClassPrefix: 'js-pattern-'});})
VUE
1、在代码中，添加属性：:rule
<Form ref="loginForm" :model="form" :rules="rules" @keydown.enter.native="handleSubmit" class="form-con"><FormItem prop="phone"><Input v-model="form.phone" prefix="md-person" placeholder="请输入您的手机号" size="large" class="login-form-input" :maxlength="11"></Input></FormItem><FormItem prop="password"><Input type="password" v-model="form.password" prefix="md-lock" placeholder="请输入您的密码" size="large" class="login-form-input" :maxlength="100"></Input></FormItem><FormItem prop="code"><Input v-model="form.code" placeholder="请输入验证码" prefix="ios-barcode" size="large" class="login-form-input" :maxlength="4"></Input><img @click="refLoginImg" :src="loginImgSrc" class="login-img"/></FormItem><FormItem><Button @click="handleSubmit" :loading="submitLoading" type="info" long size="large" class="login-btn" icon="md-log-in"><span v-if="!submitLoading">立即登录</span><span v-else>正在登录，请稍候...</span></Button></FormItem></Form>
2.新建一个文件（validate.js）定义验证规则
如果不是VUE项目，直接定义js方法也行的
/** 这个文件只允许放表单验证方法 **///验证手机号export function isPhone(rule, value, callback) {if (!value) {return callback(new Error('输入不可以为空'));}var pattern = /^1[34578]\d{9}$/if(pattern.test(value)){return callback()}return callback(new Error('输入的手机号错误'))}
3、在页面(xx.vue)中引入验证规则定义的文件，并在export default中定义rule规则，使用语法：{validator:验证方法,trigger:验证触发} validator
如果不是vue项目，直接在页面的vue实例中加rules属性也可行的
rules: {phone: [{ required: true, message: '手机号不能为空', trigger: 'blur' },{ type: 'string', min: 11, message: '手机号不允许小于11位', trigger: 'blur' },{ validator: isPhone, trigger: 'blur' },],password: [{ required: true, message: '密码不能为空', trigger: 'blur' },{ type: 'string', min: 6, message: '密码不允许小于6位', trigger: 'blur' },],code: [{ required: true, message: '验证码不能为空', trigger: 'blur' },{ type: 'string', min: 4, message: '验证码必须是4位', trigger: 'blur' },],},
