基于JQUERY的表单验证插件.原作者@…

	charset="gbk" />
	实用齐全的表单验证程序@原作者Vanadium,由@Mr.Think中文整理@www.MrThink.net
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	form *{padding:0; margin:0}
	form{margin:20px; background:#eee; padding:5px 10px;}
	input{margin:0 8px 0 15px; height:20px; line-height:20px;width:200px;}
	input[type="submit"]{widows:100px;}
	fieldset{padding:10px; border:1px solid #000;}
	table{width:100%; border:0; border-collapse:collapse; line-height:30px; margin:10px 0;}
	table th{text-align:right; width:20%; font-weight:normal;}
	table td span{color:#a40000}
	input.rightformcss,select.rightformcss,textarea.rightformcss{border:1px solid green;padding:1px;}
	.failmsg{color:#a40000;}
	.msgvaluecss{font-style:italic;}
	input.failformcss,select.failformcss,textarea.failformcss{border:1px solid #a40000;padding:1px;}
	$(function(){
	//必填项加红*,Mr.Think添加,原插件无
	$("input[class*=:required]").after(" *")
	});
	//弹出信息样式设置
	Vanadium.config = {
	valid_class: 'rightformcss',//验证正确时表单样式
	invalid_class: 'failformcss',//验证失败时该表单样式
	message_value_class: 'msgvaluecss',//这个样式是弹出信息中调用值的样式
	advice_class: 'failmsg',//验证失败时文字信息的样式
	prefix: ':',
	separator: ';',
	reset_defer_timeout: 100
	}
	//验证类型及弹出信息设置
	Vanadium.Type = function(className, validationFunction, error_message, message, init) {
	this.initialize(className, validationFunction, error_message, message, init);
	};
	Vanadium.Type.prototype = {
	initialize: function(className, validationFunction, error_message, message, init) {
	this.className = className;
	this.message = message;
	this.error_message = error_message;
	this.validationFunction = validationFunction;
	this.init = init;
	},
	test: function(value) {
	return this.validationFunction.call(this, value);
	},
	validMessage: function() {
	return this.message;
	},
	invalidMessage: function() {
	return this.error_message;
	},
	toString: function() {
	return "className:" + this.className + " message:" + this.message + " error_message:" + this.error_message
	},
	init: function(parameter) {
	if (this.init) {
	this.init(parameter);
	}
	}
	};
	Vanadium.setupValidatorTypes = function() {
	Vanadium.addValidatorType('empty', function(v) {
	return ((v == null) || (v.length == 0));
	});
	//***************************************以下为验证方法,使用时可仅保留用到的判断
	Vanadium.addValidatorTypes([
	//匹配大小写的等值
	['equal', function(v, p) {
	return v == p;
	}, function (_v, p) {
	return '输入的值必须与' + p + '相符\(区分大小写\).'
	}],
	//不匹配大小写的等值
	['equal_ignore_case', function(v, p) {
	return v.toLowerCase() == p.toLowerCase();
	}, function (_v, p) {
	return '输入的值必须与' + p + '相符\(不区分大小写\).'
	}],
	//是否为空
	['required', function(v) {
	return !Vanadium.validators_types['empty'].test(v);
	}, '此项不可为空!'],
	//强制选中
	['accept', function(v, _p, e) {
	return e.element.checked;
	}, '必须接受!'],
	//
	['integer', function(v) {
	if (Vanadium.validators_types['empty'].test(v)) return true;
	var f = parseFloat(v);
	return (!isNaN(f) && f.toString() == v && Math.round(f) == f);
	}, '请输入一个正确的整数值.'],
	//数字
	['number', function(v) {
	return Vanadium.validators_types['empty'].test(v) || (!isNaN(v) && !/^\s+$/.test(v));
	}, '请输入一个正确的数字.'],
	//
	['digits', function(v) {
	return Vanadium.validators_types['empty'].test(v) || !/[^\d]/.test(v);
	}, '请输入一个非负整数,含0.'],
	//只能输入英文字母
	['alpha', function (v) {
	return Vanadium.validators_types['empty'].test(v) || /^[a-zA-Z\u00C0-\u00FF\u0100-\u017E\u0391-\u03D6]+$/.test(v) //% C0 - FF (? - ?); 100 - 17E (? - ?); 391 - 3D6 (? - ?)
	}, '请输入英文字母.'],
	//仅限ASCII编码模式下输入英文字母
	['asciialpha', function (v) {
	return Vanadium.validators_types['empty'].test(v) || /^[a-zA-Z]+$/.test(v) //% C0 - FF (? - ?); 100 - 17E (? - ?); 391 - 3D6 (? - ?)
	}, '请在ASCII下输入英文字母.'],
	//英文字母或正数
	['alphanum', function(v) {
	return Vanadium.validators_types['empty'].test(v) || !/\W/.test(v)
	}, '请输入英文字母或正数.'],
	//邮箱验证
	['email', function (v) {
	return (Vanadium.validators_types['empty'].test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v))
	}, '邮箱格式不正确,请检查.正确格式例如mrthink@gmail.com'],
	//网址
	['url', function (v) {
	return Vanadium.validators_types['empty'].test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
	}, '请输入正确的网址,比如:http://www.mrthink.net'],
	//日期格式
	['date_au', function(v) {
	if (Vanadium.validators_types['empty'].test(v)) return true;
	var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
	if (!regex.test(v)) return false;
	var d = new Date(v.replace(regex, '$2/$1/$3'));
	return ( parseInt(RegExp.$2, 10) == (1 + d.getMonth()) ) && (parseInt(RegExp.$1, 10) == d.getDate()) && (parseInt(RegExp.$3, 10) == d.getFullYear() );
	}, '请输入正确的日期格式,比如:28/05/2010.'],
	//输入固定长度字符串
	['length',
	function (v, p) {
	if (p === undefined) {
	return true
	} else {
	return v.length == parseInt(p)
	}
	;
	},
	function (_v, p) {
	return '输入字符长度等于' + p + '个.'
	}
	],
	//
	['min_length',
	function (v, p) {
	if (p === undefined) {
	return true
	} else {
	return v.length >= parseInt(p)
	}
	;
	},
	function (_v, p) {
	return '输入字符长度不低于' + p + '个.'
	}
	],
	['max_length',
	function (v, p) {
	if (p === undefined) {
	return true
	} else {
	return v.length <= parseInt(p)
	}
	;
	},
	function (_v, p) {
	return '输入字符长度不大于' + p + '个.'
	}
	],
	//判断密码是相同
	['same_as',
	function (v, p) {
	if (p === undefined) {
	return true
	} else {
	var exemplar = document.getElementByIdx_x(p);
	if (exemplar)
	return v == exemplar.value;
	else
	return false;
	}
	;
	},
	function (_v, p) {
	var exemplar = document.getElementByIdx_x(p);
	if (exemplar)
	return '两次密码输入不相同.';
	else
	return '没有可参考值!'
	},
	"",
	function(validation_instance) {
	var exemplar = document.getElementByIdx_x(validation_instance.param);
	if (exemplar){
	jQuery(exemplar).bind('validate', function(){
	jQuery(validation_instance.element).trigger('validate');
	});
	}
	}
	],
	//ajax判断是否存在值
	['ajax',
	function (v, p, validation_instance, decoration_context, decoration_callback) {
	if (Vanadium.validators_types['empty'].test(v)) return true;
	if (decoration_context && decoration_callback) {
	jQuery.getJSON(p, {value: v, id: validation_instance.element.id}, function(data) {
	decoration_callback.apply(decoration_context, [[data], true]);
	});
	}
	return true;
	}]
	,
	//正则匹配,此用法不甚理解
	['format',
	function(v, p) {
	var params = p.match(/^\/(((\\\/)|[^\/])*)\/(((\\\/)|[^\/])*)$/);
	if (params.length == 7) {
	var pattern = params[1];
	var attributes = params[4];
	try
	{
	var exp = new RegExp(pattern, attributes);
	return exp.test(v);
	}
	catch(err)
	{
	return false
	}
	} else {
	return false
	}
	},
	function (_v, p) {
	var params = p.split('/');
	if (params.length == 3 && params[0] == "") {
	return '输入的值必须与 ' + p.toString() + ' 相匹配.';
	} else {
	return '提供的值与' + p.toString() + '不匹配.';
	}
	}
	]
	])
	if (typeof(VanadiumCustomValidationTypes) !== "undefined" && VanadiumCustomValidationTypes) Vanadium.addValidatorTypes(VanadiumCustomValidationTypes);
	};
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	title="返回Mr.Think的博客" href="http://mrthink.net/">Mr.Think的博客可自由转载及使用,但请注明出处.
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	class="return"> href="/demo/download/VanadiuFormValidationModifiedforMrThink.7z">点此下载本页DEMO返回文章页: href="http://mrthink.net/jquery-form-validation-plugin/">实用齐全的表单验证程序@原作者Vanadium,由@Mr.Think中文整理@www.MrThink.net
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	id="iform" name="iform" method="post" action="#">
	基于JQUERY的表单验证插件.原作者href="http://vanadiumjs.com/" target="_blank" title="前往原作者网站">@Vanadium,由href="http://mrthink.net/" target="_blank" title="前往Mr.Think的博客">Mr.Think进行中文整理
	for="checkempty">请输入Mr.Think(区分大小写): align="left">id="checkempty" class=":equal;Mr.Think" /> for="checkempty">请输入Mr.Think(不区分大小写): align="left">id="checkempty" class=":equal_ignore_case;Mr.Think" /> for="checkempty">输入不能为空: id="checkempty" class=":required" /> for="checkinteger">输入整数(含负): id="checkinteger" class=":integer" /> for="checknum">输入数字: id="checknum" class=":number" /> for="checkfloat">输入非负整数值: id="checkfloat" class=":digits :required" /> for="checkletter">输入字母: id="checkletter" class=":alpha" /> for="checkletterasc">请在ASC编码下输入字母: id="checkletterasc" class=":asciialpha" /> for="checkletternum">请输入英文字母或正数: id="checkletternum" class=":alphanum" /> for="checkmail">请输入邮箱: id="checkmail" class=":email :required" /> for="checkurl">请输入网址: id="checkurl" class=":url" /> for="checkdate">请输入日期: id="checkdate" class=":date_au" /> for="checklength">请输入4个字符: id="checklength" class=":length;4" /> for="checkminlength">最少输入4个字符: id="checkminlength" class=":min_length;4 :required" /> for="checkmaxlength">最多输入4个字符: id="checkmaxlength" class=":max_length;4" /> for="checkmaxmin">最多输入4到8个字符: id="checkmaxmin" class=":min_length;4 :max_length;8" /> for="checkpsw">请输入密码: id="checkpsw" class=":required" type="password" /> for="checkpswrepeat">请再次输入密码: id="checkpswrepeat" class=":same_as;checkpsw" type="password" /> for="checkvalue">正则匹配: id="checkvalue" class=":format;/^(Mr.Think)+$/i" /> for="checkpass">账号验证: id="checkpass" class=":ajax;/mrthink.php" />此项须连接服务器测试才有效 for="checkaccept">必须接受: type="checkbox" id="checkaccept" class=":accept" /> type="submit" value="提交表单" style="width:80px; padding:0.2em; height:30px;" />
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