本文实例为大家分享了封装jquery简易验证插件的具体代码,供大家参考,具体内容如下
html代码:
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<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" > < title >jQuery数据校验插件开发</ title > < link rel = "stylesheet" href = "css/register.css" /> < link rel = "stylesheet" href = "css/validate.css" /> </ head > < body > < main > < section > < form method = "post" action = "result.html" ac id = "register" > < div class = "register-wrap" > < div class = "register" > < ul > < li > < label for = "username" >用户名:</ label > < input type = "text" id = "username" name = "username" tabindex = "1" class = "format-input" placeholder = "请输入用户名" data-vt-required-msg = "用户名不能为空" data-vt-regexp-msg = "用户名必须是以字母、数字、下划线组成,且不能以数字开头(6-20位)" data-vt-required = true data-vt-regexp = '^[\w_]\w{5,19}$' autofocus> </ li > < li > < label for = "pwd" >密码:</ label > < input type = "password" id = "pwd" name = "password" tabindex = "2" class = "format-input" placeholder = "请输入密码" data-vt-required = true data-vt-regexp = "^[a-zA-Z_][\w_]{5,11}$" data-vt-required-msg = "密码不能为空" data-vt-regexp-msg = "密码必须是由字母、数字、下划线组成,且不能以数字开头(6-12位)" > </ li > < li > < label for = "confirmPwd" >确认密码:</ label > < input type = "password" id = "confirmPwd" name = "password" tabindex = "3" class = "format-input" placeholder = "请再次输入密码" data-vt-required = true data-vt-required-msg = "密码不能为空" data-vt-equals = true data-vt-equals-msg = "两次密码不一致" > </ li > < li > < label for = "phone" >手机号:</ label > < input type = "text" id = "phone" name = "phone" tabindex = "4" class = "format-input" placeholder = "请输入手机号" data-vt-required = true data-vt-phone = true data-vt-required-msg = "手机号不能为空" data-vt-phone-msg = "手机号不合法" > </ li > < li > < label for = "tel" >座机:</ label > < input type = "text" id = "tel" name = "tel" tabindex = "5" class = "format-input" placeholder = "请输入座机号码" data-vt-required = true data-vt-tel = true data-vt-required-msg = "座机号不能为空" data-vt-tel-msg = "座机号不合法" > </ li > < li > < label for = "email" >邮箱:</ label > < input type = "text" id = "email" name = "email" tabindex = "6" class = "format-input" placeholder = "请输入邮箱地址" data-vt-required = true data-vt-email = true data-vt-required-msg = "邮箱不能为空" data-vt-email-msg = "邮箱不合法" > </ li > < li > < label for = "submitBtn" ></ label > < input type = "submit" value = "注册" id = "submitBtn" tabindex = "7" class = "format-input submit-btn" > </ li > </ ul > </ div > </ div > </ form > </ section > </ main > < script src = "js/jquery2.0.js" ></ script > < script src = "js/formValidate.js" ></ script > < script > $(function(){ $('#register').formValidate(); }); </ script > </ body > </ html > |
css部分
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* { margin : 0 ; padding : 0 ; box-sizing: border-box; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; } ul li { list-style : none ; position : relative ; } input { outline : 0 ; } .format-input { display : inline- block ; width : 84% ; height : 35px ; padding : 0 0 0 3px ; border : 1px solid #fff ; vertical-align : baseline ; } :focus { outline : 4px solid #007fff ; } html, body { width : 100% ; height : 100% ; } body { min-height : 100% ; font : 12px / 1.5 'Microsoft YaHei' , arial , sans-serif ; background : url (../image/bj.jpg) no-repeat ; background- size : cover; overflow : hidden ; } .register-wrap { position : absolute ; top : 0 ; bottom : 0 ; left : 0 ; right : 0 ; width : 450px ; height : 415px ; margin : auto ; background : rgba( 0 , 0 , 0 , 0.5 ); } .register { width : 100% ; height : 100% ; padding : 20px 30px ; color : #fff ; } .register > ul > li { font-size : 0 ; margin : 0 0 20px 0 ; } .register > ul > li label { display : inline- block ; width : 16% ; font-size : 12px ; } .submit-btn { border : 1px solid transparent ; font-size : 18px ; font-weight : bold ; color : #fff ; background : #51a8ff ; box-shadow: 1px 1px #AFC4EA , 2px 2px #AFC4EA , 3px 3px #AFC4EA ; } .submit-btn:hover { cursor : pointer ; } .submit-btn:focus { outline : none ; border : 1px solid #f0f3f9 ; } .submit-btn:active { border : 1px solid #f0f3f9 ; transform: translate( 1px , 1px ); box-shadow: 1px 1px #AFC4EA , 2px 2px #AFC4EA ; } |
提示错误的tips样式:
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.validate-error-tip { position : absolute ; top : 0 ; left : 0 ; display : table; min-width : 150px ; min-height : 35px ; font-size : 12px ; border : 1px solid lightblue; padding : 5px ; background : #fff ; color : #666 ; z-index : 9999 ; } .validate-error-tip:before { position : absolute ; top : 0 ; left : -15px ; display : block ; content : '' ; width : 0 ; height : 0 ; border-color : transparent lightblue transparent transparent ; /*1、下边框有颜色 对应着上边框没有宽度,是正三角形;2、上边框有颜色 对应着下边框没宽度,是倒三角形*/ border-style : solid ; border-width : 15px 15px 15px 0 ; } |
javascript部分:
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( function ($, factory, pluginName) { factory($, pluginName); })(jQuery, function ($, pluginName){ //插件默认配置项 var __DEFAULT__ = { //默认触发验证的事件为input事件 initEvent: 'input' , prefix: 'vt' //自定义属性前缀 }; //插件内部编写校验规则 var __RULES__ = { //正则 regexp: function (ruleData) { return new RegExp(ruleData).test( this .val()); }, //必填项 required: function (ruleData) { return $.trim( this .val()).length > 0; }, //最小值 minLength: function (ruleData) { return $.trim( this .val()).length > ruleData ; }, //最大值 maxLength: function (ruleData) { return $.trim( this .val()).length < ruleData; }, //验证两次密码是否一致 isEquals: function (ruleData) { var pwd = $( ':password' ).eq(0); //$(':password')[0]是什么对象呢? return pwd.val() === this .val(); }, //是否是邮箱 isEmail: function (ruleData) { return /\w+@\w+\..+/g.test( this .val()); }, //是不是手机号 isPhone: function (ruleData) { return /^1\d{10}$/g.test( this .val()); }, //是不是座机号码 isTel: function (ruleData) { return /^0\d{2,3}-\d{7,8}$/g.test( this .val()); } }; $.fn[pluginName] = function (options) { //标识是否提交表单 var $ this = this ; if (!$ this .is( 'form' )) { return ; } //this: 这里的this是jQuery实例对象 $ this .$file = $ this .find( 'input:not([type="button"][type="submit"])' ); //给当前实例对象(也就是调用该插件的jquery对象)添加一个$file的属性 $.extend($ this , __DEFAULT__, options); //以默认配置为优先,以用户配置为覆盖 //格式化rule规则。 // 将一个字符串在每一个大写字母前加上一个'-',并且全部转为小写 // vtEmailMsg > vt-email-msg $ this .formatRule = function (str, connector) { if ( typeof str !== 'string' ) { return str; } //使用replace、正则(匹配单个大写字母) str = str.replace(/[A-Z]/g, function (match, index) { if (index === 0) { return match.toLowerCase() } return connector + match.toLowerCase(); }); return str; }; //显示错误信息 $ this .showErrorTip = function (errorMsg) { var $tip = $( "<div class='validate-error-tip'> </div>" ), offset = this .position(), elHeight = this .outerHeight(), elWidth = this .outerWidth(); if ( this .siblings( '.validate-error-tip' ).length > 0){ this .siblings( '.validate-error-tip' ).eq(0).text(errorMsg).show(); } else { $tip.text(errorMsg). css({ top: offset.top, left: offset.left + elWidth + 15, width: $tip.width() }); this .after($tip); $tip.show(); } }; //监听form表单里所有的input的事件 $ this .$file.on( this .initEvent, function (){ var $input = $( this ); //清除错误提示框 $input.siblings( '.validate-error-tip' ).remove(); //注意这里是循环的我们插件的规则,而不是用户拥有的规则 $.each(__RULES__, function (key, fn) { var rule = '' , errorMsg = '' ; //如果key是以is字符开头、则去掉is if (key.indexOf( 'is' ) === 0) { key = key.slice(2); } key = $ this .formatRule(key, '-' ); //将规则格式化为html中书写的形式 rule = $input.data(__DEFAULT__.prefix + '-' + key); //获取规则的值 errorMsg = $input.data(__DEFAULT__.prefix + '-' + key + '-msg' ); //规则对应的提示信息 //如果当前input有这个规则,则执行这个规则 if (rule) { //执行规则测试是否通过 var isPassed = fn.call($input, rule); //改变规则函数fn执行时候的this,指向当前input jquery对象 if (!isPassed) { //未通过、则错误提示 $ this .showErrorTip.call($input, errorMsg); } } }); }); //绑定提交表单的事件 this .on( 'submit' , function (e) { var isFormPassed = true ; $ this .$file.trigger($ this .initEvent); $ this .$file.each( function (index, current){ var $current = $(current); if ($current.siblings( '.validate-error-tip' ).is( ':visible' )){ isFormPassed = false ; return false ; } }); if (!isFormPassed) { return isFormPassed; } }); }; //扩展新的验证规则(实际上就是扩展上面__RULES__对象) $.fn[pluginName].addRule = function (options) { $.extend(__RULES__, options); } }, 'formValidate' ); |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/wuzhe128520/article/details/89787798