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jquery表单验证插件

来源:互联网

jquery表单验证插件这个非常适合我们用在自己的项目里,对jquery感兴趣的也可以研究一下,学习学习jquery

实现演示:

代码演示:

<!DOCTYPE html><html><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><title>php中文网--注册页面</title><style>* {padding: 0;margin: 0;}form {width: 570px;height: 300px;margin: 100px auto;}label {width: 64px;float: left;clear: left;height: 36px;line-height: 36px;margin-top: 10px;}input {width: 300px;height: 36px;line-height: 36px;margin-top: 10px;text-indent: 8px;font-size: 16px;font-family: "微软雅黑";border: 1px solid #ccc;float: left;}#sub {width: 302px;height: 40px;border: 1px solid #ccc;background: #888;color: #fff;font-size: 18px;text-indent: 0;}.spa {height: 36px;line-height: 36px;width: 204px;display: inline-block;float: left;font-size: 12px;color: #BD362F;text-indent: 10px;margin-top: 10px;}</style></head><body><form action="" method="post"><label id="name">姓 名:</label><input type="text" name="username" id="username" value="" placeholder="请输入姓名" /><span class="spa spa1"></span><br /><label id="phone">手机号:</label><input type="text" name="userphone" id="userphone" value="" placeholder="请输入手机号" /><span class="spa spa2"></span><br /><label id="address">地 址:</label><input type="text" name="useraddress" id="useraddress" value="" placeholder="请输入地址" /><span class="spa spa3"></span><br /><label>    </label><input type="submit" value="注册" id="sub" /></form><script src="http://code.jquery.com/jquery-1.4.1.js"></script><script type="text/javascript">window.onload = function() {$("#username").focus()}/************************  失焦判断  **********************************/$("input").blur(function() {$(".spa").css("color", "#BD362F")if($(this).is("#username")) { //姓名判断var na = /^[\u4E00-\u9FA5]{2,4}$/if($("#username").val() != "") {if(!(na.test($("#username").val()))) {$(".spa1").text("请输入2-4个汉字");$(this).css("border", "1px solid #BD362F")return false;} else if(na) {$(".spa1").text("");return true;}} else {$(".spa1").text("");}}if($(this).is("#userphone")) { //手机号判断var ph = /^1[3|5|7|8|][0-9]{9}$/if($("#userphone").val() != "") {if(!(ph.test($("#userphone").val()))) {$(".spa2").text("请输入正确手机号");$(this).css("border", "1px solid #BD362F")return false;} else if(ph) {$(".spa2").text("");return true;}} else {$(".spa2").text("");}}if($(this).is("#useraddress")) { //地址判断var ad = /^(?=.*?[\u4E00-\u9FA5])[\dA-Za-z\u4E00-\u9FA5]{8,32}/;if($("#useraddress").val() != "") {if(!(ad.test($("#useraddress").val()))) {$(".spa3").text("请输入正确地址");$(this).css("border", "1px solid #BD362F")return false;} else if(ad) {$(".spa3").text("");return true;}} else {$(".spa3").text("");}}})/********************** 聚焦提示 ************************/$("input").focus(function() {if($(this).is("#username")) {$(".spa1").text("四个汉字").css("color", "#aaa")$(this).css("border", "1px solid #aaa")}if($(this).is("#userphone")) {$(".spa2").text("11位手机号码").css("color", "#aaa")$(this).css("border", "1px solid #aaa")}if($(this).is("#useraddress")) {$(".spa3").text("最少8个字符(汉字、字母和数字)").css("color", "#aaa")$(this).css("border", "1px solid #aaa")}})/*********************** 提交验证 ***************************/$("#sub").click(function() {var na = /^[\u4E00-\u9FA5]{2,4}$/; //姓名正则var ph = /^1[3|5|7|8|][0-9]{9}$/; //手机号正则var ad = /^(?=.*?[\u4E00-\u9FA5])[\dA-Za-z\u4E00-\u9FA5]{8,32}/; //地址正则if(na.test($("#username").val()) && ph.test($("#userphone").val()) && ad.test($("#useraddress").val())) {return true;} else {if($("#username").val() == "") {$(".spa1").text(&#39;请你填写用户名&#39;)}if($("#userphone").val() == "") {$(".spa2").text(&#39;请你填写手机号&#39;)}if($("#useraddress").val() == "") {$(".spa3").text(&#39;请你填写地址&#39;)}return false;}})</script></body></html>

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