原博客
jQuery Validate验证框架详解
jQuery校验官网地址：https://jqueryvalidation.org/
一、导入js库
<script type="text/javascript" src="<%=path %>/validate/jquery-1.6.2.min.js"></script><script type="text/javascript" src="<%=path %>/validate/jquery.validate.min.js"></script>
二、默认校验规则
(1)、required:true ??????????????必输字段(2)、remote:"remote-valid.jsp" ??使用ajax方法调用remote-valid.jsp验证输入值(3)、email:true ?????????????????必须输入正确格式的电子邮件(4)、url:true ???????????????????必须输入正确格式的网址(5)、date:true ??????????????????必须输入正确格式的日期，日期校验ie6出错，慎用(6)、dateISO:true ???????????????必须输入正确格式的日期(ISO)，例如：2009-06-23，1998/01/22 只验证格式，不验证有效性(7)、number:true ????????????????必须输入合法的数字(负数，小数)(8)、digits:true ????????????????必须输入整数(9)、creditcard:true ????????????必须输入合法的信用卡号(10)、equalTo:"#password" ???????输入值必须和#password相同(11)、accept: ???????????????????输入拥有合法后缀名的字符串（上传文件的后缀）(12)、maxlength:5 ???????????????输入长度最多是5的字符串(汉字算一个字符)(13)、minlength:10 ??????????????输入长度最小是10的字符串(汉字算一个字符)(14)、rangelength:[5,10] ????????输入长度必须介于 5 和 10 之间的字符串")(汉字算一个字符)(15)、range:[5,10] ??????????????输入值必须介于 5 和 10 之间(16)、max:5 ?????????????????????输入值不能大于5(17)、min:10 ????????????????????输入值不能小于10
三、默认的提示
messages: {required: "This field is required.",remote: "Please fix this field.",email: "Please enter a valid email address.",url: "Please enter a valid URL.",date: "Please enter a valid date.",dateISO: "Please enter a valid date (ISO).",dateDE: "Bitte geben Sie ein g眉ltiges Datum ein.",number: "Please enter a valid number.",numberDE: "Bitte geben Sie eine Nummer ein.",digits: "Please enter only digits",creditcard: "Please enter a valid credit card number.",equalTo: "Please enter the same value again.",accept: "Please enter a value with a valid extension.",maxlength: $.validator.format("Please enter no more than {0} characters."),minlength: $.validator.format("Please enter at least {0} characters."),rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),range: $.validator.format("Please enter a value between {0} and {1}."),max: $.validator.format("Please enter a value less than or equal to {0}."),min: $.validator.format("Please enter a value greater than or equal to {0}.")},如需要修改，可在js代码中加入：
$.extend($.validator.messages, { ???required: "必选字段", ???remote: "请修正该字段", ???email: "请输入正确格式的电子邮件", ???url: "请输入合法的网址", ???date: "请输入合法的日期", ???dateISO: "请输入合法的日期 (ISO).", ???number: "请输入合法的数字", ???digits: "只能输入整数", ???creditcard: "请输入合法的信用卡号", ???equalTo: "请再次输入相同的值", ???accept: "请输入拥有合法后缀名的字符串", ???maxlength: $.validator.format("请输入一个长度最多是 {0} 的字符串"), ???minlength: $.validator.format("请输入一个长度最少是 {0} 的字符串"), ???rangelength: $.validator.format("请输入一个长度介于 {0} 和 {1} 之间的字符串"), ???range: $.validator.format("请输入一个介于 {0} 和 {1} 之间的值"), ???max: $.validator.format("请输入一个最大为 {0} 的值"), ???min: $.validator.format("请输入一个最小为 {0} 的值")});推荐做法，将此文件放入一个单独的js,messages_cn.js中，在页面中引入
<script type="text/javascript" src="<%=path %>/validate/messages_cn.js"></script>
四、使用方式
1、metadata用法，将校验规则写到控件中
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><% ???String path = request.getContextPath(); ???String basePath = request.getScheme() + "://" + request.getServerName() + ":" ???????????+ request.getServerPort() + path + "/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ???<head> ???????<base href="<%=basePath%>"> ???????<title>jQuery Validate验证框架详解-metadata用法</title> ???????<meta http-equiv="pragma" content="no-cache"> ???????<meta http-equiv="cache-control" content="no-cache"> ???????<meta http-equiv="expires" content="0"> ???????<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> ???????<meta http-equiv="description" content="This is my page"> ???????<script type="text/javascript" src="<%=request.getContextPath()%>/validate/jquery-1.6.2.min.js"></script> ???????<script type="text/javascript" src="<%=request.getContextPath()%>/validate/jquery.validate.min.js"></script> ???????<script type="text/javascript" src="<%=request.getContextPath()%>/validate/jquery.metadata.min.js"></script> ???????<script type="text/javascript" src="<%=request.getContextPath()%>/validate/messages_zh.js"></script> ???????<script type="text/javascript"> ???????$(function(){ ???????????$("#myform").validate(); ???????}); ???????</script> ???</head> ???<body> ???????<form id="myform" method="post" action=""> ???????????<p> ???????????????<label for="myname">用户名：</label> ???????????????<!-- id和name最好同时写上 --> ???????????????<input id="myname" name="myname" class="required" /> ???????????</p> ???????????<p> ???????????????<label for="email">E-Mail：</label> ???????????????<input id="email" name="email" class="required email" /> ???????????</p> ???????????<p> ???????????????<label for="password">登陆密码：</label> ???????????????<input id="password" name="password" type="password" ???????????????????class="{required:true,minlength:5}" /> ???????????</p> ???????????<p> ???????????????<label for="confirm_password">确认密码：</label> ???????????????<input id="confirm_password" name="confirm_password" type="password" ???????????????????class="{required:true,minlength:5,equalTo:‘#password‘}" /> ???????????</p> ???????????<p> ???????????????<label for="confirm_password">性别：</label> ???????????????<!-- 表示必须选中一个 --> ???????????????<input ?type="radio" id="gender_male" value="m" name="gender" class="{required:true}" /> ???????????????<input ?type="radio" id="gender_female" value="f" name="gender"/> ???????????</p> ???????????<p> ???????????????<label for="confirm_password">爱好：</label> ???????????????<!-- checkbox的minlength表示必须选中的最小个数,maxlength表示最大的选中个数,rangelength:[2,3]表示选中个数区间 ?--> ???????????????<input type="checkbox" id="spam_email" value="email" name="spam[]" class="{required:true, minlength:2}" /> ???????????????<input type="checkbox" id="spam_phone" value="phone" name="spam[]" /> ???????????????<input type="checkbox" id="spam_mail" value="mail" name="spam[]" /> ???????????</p> ???????????<p> ???????????????<label for="confirm_password">城市：</label> ???????????????<select id="jungle" name="jungle" title="Please select something!" class="{required:true}"> ???????????????????<option value=""></option> ???????????????????<option value="1">厦门</option> ???????????????????<option value="2">泉州</option> ???????????????<option value="3">Oi</option> ???????????</select> ???????????</p> ???????????<p> ???????????????<input class="submit" type="submit" value="立即注册" /> ???????????</p> ???????</form> ???</body></html>使用class="{}"的方式，必须引入包：jquery.metadata.js；
可以使用如下的方法，修改提示内容：class="{required:true,minlength:5,messages:{required:‘请输入内容‘}}"；
在使用equalTo关键字时，后面的内容必须加上引号，如下代码：class="{required:true,minlength:5,equalTo:‘#password‘}"。
2、将校验规则写到js代码中
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><% ???String path = request.getContextPath(); ???String basePath = request.getScheme() + "://" + request.getServerName() + ":" ???????????+ request.getServerPort() + path + "/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ???<head> ???????<base href="<%=basePath%>"> ???????<title>jQuery Validate验证框架详解</title> ???????<meta http-equiv="pragma" content="no-cache"> ???????<meta http-equiv="cache-control" content="no-cache"> ???????<meta http-equiv="expires" content="0"> ???????<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> ???????<meta http-equiv="description" content="This is my page"> ???????<script type="text/javascript" src="<%=request.getContextPath()%>/validate/jquery-1.6.2.min.js"></script> ???????<script type="text/javascript" src="<%=request.getContextPath()%>/validate/jquery.validate.min.js"></script> ???????<script type="text/javascript"> ???????$(function(){ ???????????var validate = $("#myform").validate({ ???????????????debug: true, //调试模式取消submit的默认提交功能 ??????????????????//errorClass: "label.error", //默认为错误的样式类为：error ??????????????????focusInvalid: false, //当为false时，验证无效时，没有焦点响应 ?????????????????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:{ ???????????????????myname:{ ???????????????????????required:true ???????????????????}, ???????????????????email:{ ???????????????????????required:true, ???????????????????????email:true ???????????????????}, ???????????????????password:{ ???????????????????????required:true, ???????????????????????rangelength:[3,10] ???????????????????}, ???????????????????confirm_password:{ ???????????????????????equalTo:"#password" ???????????????????} ???????????????????????????????????}, ???????????????messages:{ ???????????????????myname:{ ???????????????????????required:"必填" ???????????????????}, ???????????????????email:{ ???????????????????????required:"必填", ???????????????????????email:"E-Mail格式不正确" ???????????????????}, ???????????????????password:{ ???????????????????????required: "不能为空", ???????????????????????rangelength: $.format("密码最小长度:{0}, 最大长度:{1}。") ???????????????????}, ???????????????????confirm_password:{ ???????????????????????equalTo:"两次密码输入不一致" ???????????????????} ???????????????????????????????????????????????????} ?????????????????????????????????????}); ???????????????}); ???????</script> ???</head> ???<body> ???????<form id="myform" method="post" action=""> ???????????<p> ???????????????<label for="myname">用户名：</label> ???????????????<!-- id和name最好同时写上 --> ???????????????<input id="myname" name="myname" /> ???????????</p> ???????????<p> ???????????????<label for="email">E-Mail：</label> ???????????????<input id="email" name="email" /> ???????????</p> ???????????<p> ???????????????<label for="password">登陆密码：</label> ???????????????<input id="password" name="password" type="password" /> ???????????</p> ???????????<p> ???????????????<label for="confirm_password">确认密码：</label> ???????????????<input id="confirm_password" name="confirm_password" type="password" /> ???????????</p> ???????????<p> ???????????????<input class="submit" type="submit" value="立即注册" /> ???????????</p> ???????</form> ???</body></html>五、常用方法及注意问题
1、用其他方式替代默认的submit
$(function(){ ??$("#signupForm").validate({ ???????submitHandler:function(form){ ???????????alert("submit!"); ??????????????form.submit(); ???????} ???????});});可以设置validate的默认值，写法如下：
$.validator.setDefaults({
???submitHandler: function(form) { alert("submit!"); form.submit(); }
});
如果想提交表单，需要使用form.submit()，而不要使用$(form).submit()
2、radio和checkbox、select的验证
1.radio的required表示必须选中一个<input ?type="radio" id="gender_male" value="m" name="gender" class="{required:true}" /><input ?type="radio" id="gender_female" value="f" name="gender"/>2.checkbox的required表示必须选中<input type="checkbox" class="checkbox" id="agree" name="agree" class="{required:true}" />checkbox的minlength表示必须选中的最小个数,maxlength表示最大的选中个数,rangelength:[2,3]表示选中个数区间<input type="checkbox" id="spam_email" value="email" name="spam[]" class="{required:true, minlength:2}" /><input type="checkbox" id="spam_phone" value="phone" name="spam[]" /><input type="checkbox" id="spam_mail" value="mail" name="spam[]" />3.select的required表示选中的value不能为空<select id="jungle" name="jungle" title="Please select something!" class="{required:true}"> ???<option value=""></option> ???<option value="1">Buga</option> ???<option value="2">Baga</option> ???<option value="3">Oi</option></select> select的minlength表示选中的最小个数（可多选的select）,maxlength表示最大的选中个 数,rangelength:[2,3]表示选中个数区间<select id="fruit" name="fruit" title="Please select at least two fruits" class="{required:true, minlength:2}" multiple="multiple"> ???<option value="b">Banana</option> ???<option value="a">Apple</option> ???<option value="p">Peach</option> ???<option value="t">Turtle</option></select>jQuery Validate验证框架详解(jquery.validate.min.js)
原文地址：https://www.cnblogs.com/zhukaixin/p/10496474.html