<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jquery.validate自定义规则的使用方法</title> <script src="jquery.js" type="text/javascript"></script> <script src="jquery.validate.min.js" type="text/javascript"></script> <script type="text/javascript" language="javascript"> //规则名：buga,value检测对像的值 $.validator.addMethod("buga", function(value) { return value == "buga"; }, 'Please enter "buga"!'); //规则名：chinese，value检测对像的值，element检测的对像 $.validator.addMethod("chinese", function(value, element) { var chinese = /^[u4e00-u9fa5]+$/; return (chinese.test(value)) || this.optional(element); }, "只能输入中文"); //规则名：byteRangeLength，value检测对像的值，element检测的对像,param参数 jQuery.validator.addMethod("byteRangeLength", function(value, element, param) { var length = value.length; for (var i = 0; i < value.length; i++) { if (value.charCodeAt(i) > 127) { length++; } } return this.optional(element) || (length >= param[0] && length <= param[1]); }, $.validator.format("请确保输入的值在{0}-{1}个字节之间(一个中文字算2个字节)")); $(function(){ $("#form1").validate({ rules: { username:{ required:true, chinese:true, byteRangeLength:[1,2] } //username:"buga" //username:"chinese" //username:"byteRangeLength" } }); }); </script> </head> <body> <form id="form1" name="form1" method="post" action=""> <p> <label for="username">用户名：</label> <input type="text" name="username" id="username"/> </p> <p> <input type="submit" name="button" id="button" value="提交" /> </p> </form> </body> </html>