jQuery验证控件jquery.validate.js使用说明+中文API
官网地址：http://bassistance.de/jquery-plugins/jquery-plugin-validation
一导入js库<script src="../js/jquery.js" type="text/javascript"></script><script src="../js/jquery.validate.js" type="text/javascript"></script>

二、默认校验规则(1)required:true                必输字段(2)remote:"check.php"      使用ajax方法调用check.php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:                   必须输入合法的信用卡号(10)equalTo:"#field"          输入值必须和#field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：
jQuery.extend(jQuery.validator.messages, {