equalTo方法：
equalTo: function( value, element, param ) {
// Bind to the blur event of the target in order to revalidate whenever the target field is updated
var target = $( param );
if ( this.settings.onfocusout && target.not( ".validate-equalTo-blur" ).length ) {
target.addClass( "validate-equalTo-blur" ).on( "blur.validate-equalTo", function() {
$( element ).valid();
} );
}
return value === target.val();
},
url验证方法：
url: function( value, element ) {
// Copyright (c) 2010-2013 Diego Perini, MIT licensed
// https://gist.github.com/dperini/729294
// see also https://mathiasbynens.be/demo/url-regex
// modified to allow protocol-relative URLs
return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
},
日期date验证方法：
// http://jqueryvalidation.org/date-method/
date: function( value, element ) {
return this.optional( element ) || !/Invalid|NaN/.test( new Date( value ).toString() );
},
十进制数字含小数验证方法：
// http://jqueryvalidation.org/number-method/
number: function( value, element ) {
return this.optional( element ) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test( value );
},
整数验证方法：
// http://jqueryvalidation.org/digits-method/
digits: function( value, element ) {
return this.optional( element ) || /^\d+$/.test( value );
},
最小长度验证方法：
// http://jqueryvalidation.org/minlength-method/
minlength: function( value, element, param ) {
var length = $.isArray( value ) ? value.length : this.getLength( value, element );
return this.optional( element ) || length >= param;
},
最大长度验证方法：
// http://jqueryvalidation.org/maxlength-method/
maxlength: function( value, element, param ) {
var length = $.isArray( value ) ? value.length : this.getLength( value, element );
return this.optional( element ) || length <= param;
},
长度范围验证方法：
// http://jqueryvalidation.org/rangelength-method/
rangelength: function( value, element, param ) {
var length = $.isArray( value ) ? value.length : this.getLength( value, element );
return this.optional( element ) || ( length >= param[ 0 ] && length <= param[ 1 ] );
},
最小值，最大值，区间值验证方法：
// http://jqueryvalidation.org/min-method/
min: function( value, element, param ) {
return this.optional( element ) || value >= param;
}, // http://jqueryvalidation.org/max-method/
max: function( value, element, param ) {
return this.optional( element ) || value <= param;
}, // http://jqueryvalidation.org/range-method/
range: function( value, element, param ) {
return this.optional( element ) || ( value >= param[ 0 ] && value <= param[ 1 ] );
},
两个中文字符验证：自定义方法
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] );
}, $.validator.format("请确保输入的值在{0}-{1}个字节之间(一个中文字算2个字节)"));
邮政编码验证：自定义方法
// 邮政编码验证
jQuery.validator.addMethod("isZipCode", function(value, element) {
var tel = /^[0-9]{6}$/;
return this.optional(element) || (tel.test(value));
}, "请正确填写您的邮政编码");
验证提示信息：
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 ).",
number: "Please enter a valid number.",
digits: "Please enter only digits.",
equalTo: "Please enter the same value again.",
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}." ),
step: $.validator.format( "Please enter a multiple of {0}." )
},