jQuery验证框架
八、应用实例
[1] 验证页面
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%> <html> <head> <title>jquery验证框架</title> <link rel="stylesheet" type="text/css" href="css/index.css"> <script type="text/javascript" src=js/jquery-1.3.2.min.js></script> <script type="text/javascript" src=js/jquery.validate.pack.js></script> <script type="text/javascript" src=js/jquery.form.js></script> <script type="text/javascript" src=js/valid.js></script> <style type="text/css"> label { width: 10em; float: left; } label.haha {color: red; padding-left: 18px; vertical-align: top;width: 196px; background: url("images/unchecked.gif") no-repeat;} input.haha { border: 1px solid red; } label.valid {background: url("images/checked.gif") no-repeat; color: #065FB9;} input.focus { border: 2px solid green; } ul li{ display: block;} </style> </head> <body> <div id="form_con"> <form class="cmxform" id="myform" method="post" action=""> <table cellspacing="0" cellpadding="0"> <tbody> <tr> <td>用户名</td> <td><input type="text" name="username" class="required" /></td> <td></td> </tr> <tr> <td>密码</td> <td><input id="password" type="password" name="firstpwd" /></td> <td></td> </tr> <tr> <td>验证密码</td> <td><input type="password" name="secondpwd" /></td> <td></td> </tr> <tr> <td>性别</td> <td><input id="sex" type="radio" name="sex" />男<input type="radio" name="sex" />女</td> <td></td> </tr> <tr> <td>年龄</td> <td><input type="text" name="age" /></td> <td></td> </tr> <tr> <td>邮箱</td> <td><input type="text" name="email" /></td> <td></td> </tr> <tr> <td>个人网页</td> <td><input type="text" name="purl" /></td> <td></td> </tr> <tr> <td>电话</td> <td><input type="text" name="telephone" /></td> <td></td> </tr> <tr> <td>附件</td> <td><input type="file" name="afile"/></td> <td></td> </tr> <tr><td colspan="3" ><input type="submit" name="submit" value="提交" /><button>重置</button></td></tr> </tbody> </table> </form> </div> </body> </html>
[2] 验证js
$(function(){ var validator = $("#myform").validate({ debug: true, //调试模式取消submit的默认提交功能 errorClass: "haha",//默认为错误的样式类为:error focusInvalid: false, onkeyup: false, submitHandler: function(form){ //表单提交句柄,为一回调函数,带一个参数:form alert("提交表单"); //form.submit(); 提交表单 }, rules: { //定义验证规则,其中属性名为表单的name属性 username: { required: true, minlength: 2, remote: "uservalid.jsp" //传说当中的ajax验证 }, firstpwd: { required: true, //minlength: 6 rangelength: [6,8] }, secondpwd: { required: true, equalTo: "#password" }, sex: { required: true }, age: { required: true, range: [0,120] }, email: { required: true, email: true }, purl: { required: true, url: true }, afile: { required: true, accept: "xls,doc,rar,zip" } }, messages: { //自定义验证消息 username: { required: "用户名是必需的!", minlength: $.format("用户名至少要{0}个字符!"), remote: $.format("{0}已经被占用") }, firstpwd: { required: "密码是必需的!", rangelength: $.format("密码要在{0}-{1}个字符之间!") }, secondpwd: { required: "密码验证是必需的!", equalTo: "密码验证需要与密码一致" }, sex: { required: "性别是必需的" }, age: { required: "年龄是必需的", range: "年龄必须介于{0}-{1}之间" }, email: { required: "邮箱是必需的!", email: "请输入正确的邮箱地址(例如 [email protected])" }, purl: { required: "个人主页是必需的", url: "请输入正确的url格式,如 http://www.domainname.com" }, afile: { required: "附件是必需的!", accept: "只接收xls,doc,rar,zip文件" } }, errorPlacement: function(error, element) { //验证消息放置的地方 error.appendTo( element.parent("td").next("td") ); }, highlight: function(element, errorClass) { //针对验证的表单设置高亮 $(element).addClass(errorClass); }, success: function(label) { label.addClass("valid").text("Ok!") } /*, errorContainer: "#error_con", //验证消息集中放置的容器 errorLabelContainer: "#error_con ul", //存放消息无序列表的容器 wrapper: "li", //将验证消息用无序列表包围 validClass: "valid", //通过验证的样式类 errorElement: "em", //验证标签的名称,默认为:label success: "valid" //验证通过的样式类 */ }); $("button").click(function(){ validator.resetForm(); }); //alert($("#password").rules()["required"]); //validator.showErrors({"username": "用户名是必需的"}); /*$("button").click(function () { var str = "Hello {0}, this is {1}"; alert("'" + str + "'"); str = $.validator.format(str, ["koala","oo"]); alert("'" + str + "'"); });*/ });
[3] 远程验证程序
<%@ page language="java" import="java.io.PrintWriter" pageEncoding="gb2312"%><% String username = request.getParameter("username"); PrintWriter pw = response.getWriter(); try{ if(username.toLowerCase().equals("admin")){ pw.println("true"); }else{ pw.println("false"); } }catch(Exception ex){ ex.getStackTrace(); }finally{ pw.flush(); pw.close(); } %>