jquery最简单易用的表单验证插件

/*
Jquery 表单验证插件
janchie 2010.1 janchie@163.com
1.01版
*/
(function($){
$.fn.extend({
valid:function(){
if( ! $(this).is("form") ) return;
//获取参数
var items = $.isArray(arguments[0]) ? arguments[0] : [],
isBindSubmit = typeof arguments[1] ==="boolean" ? arguments[1] :true,
isAlert = typeof arguments[2] ==="boolean" ? arguments[2] :false,
//验证规则
rule = {
// 正则规则
"eng" : /^[A-Za-z]+$/,
"chn" :/^[\u0391-\uFFE5]+$/,
"mail" : /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/,
"url" : /^http[s]?:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
"currency" : /^\d+(\.\d+)?$/,
"number" : /^\d+$/,
"int" : /^[0-9]{1,30}$/,
"double" : /^[-\+]?\d+(\.\d+)?$/,
"username" : /^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/,
"password" : /^(\w){6,20}$/,
"safe" : />|<|,|\[|\]|\{|\}|\?|\/|\+|=|\||\'|\\|\"|:|;|\~|\!|\@|\#|\*|\$|\%|\^|\&|\(|\)|`/i,
"dbc" : /[ａ-ｚＡ-Ｚ０-９！＠＃￥％＾＆＊（）＿＋｛｝［］｜：＂＇；．，／？＜＞｀～　]/,
"qq" : /[1-9][0-9]{4,}/,
"date" : /^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$/,
"year" : /^(19|20)[0-9]{2}$/,
"month" : /^(0?[1-9]|1[0-2])$/,
"day" : /^((0?[1-9])|((1|2)[0-9])|30|31)$/,
"hour" : /^((0?[1-9])|((1|2)[0-3]))$/,
"minute" : /^((0?[1-9])|((1|5)[0-9]))$/,
"second" : /^((0?[1-9])|((1|5)[0-9]))$/,
"mobile" : /^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/,
"phone" : /^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/,
"zipcode" : /^[1-9]\d{5}$/,
"bodycard" : /^((1[1-5])|(2[1-3])|(3[1-7])|(4[1-6])|(5[0-4])|(6[1-5])|71|(8[12])|91)\d{4}((19\d{2}(0[13-9]|1[012])(0[1-9]|[12]\d|30))|(19\d{2}(0[13578]|1[02])31)|(19\d{2}02(0[1-9]|1\d|2[0-8]))|(19([13579][26]|[2468][048]|0[48])0229))\d{3}(\d|X|x)?$/,
"ip" : /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/,
"file": /^[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/,
"image" : /.+\.(jpg|gif|png|bmp)$/i,
"word" : /.+\.(doc|rtf|pdf)$/i,
// 函数规则
"eq": function(arg1,arg2){ return arg1==arg2 ? true:false;},
"gt": function(arg1,arg2){ return arg1>arg2 ? true:false;},
"gte": function(arg1,arg2){ return arg1>=arg2 ? true:false;},
"lt": function(arg1,arg2){ return arg1"lte": function(arg1,arg2){ return arg1<=arg2 ? true:false;}
},
//简单验证提示信息后缀
msgSuffix = {
"eng" : "只能输入英文" ,
"chn" : "只能输入汉字",
"mail" : "格式不正确",
"url" : "格式不正确",
"currency" : "数字格式有误",
"number" : "只能为数字",
"int" : "只能为整数",
"double" : "只能为带小数的数字",
"username" :"只能为数字和英文及下划线和.的组合，开头为字母，4-20个字符",
"password" : "只能为数字和英文及下划线的组合，6-20个字符",
"safe" : "不能有特殊字符",
"dbc" : "不能有全角字符",
"qq" : "格式不正确",
"date" : "格式不正确",
"year" : "不正确",
"month" :"不正确",
"day" : "不正确",
"hour" : "不正确",
"minute" :"不正确",
"second" :"不正确",
"mobile" : "格式不正确",
"phone" : "格式不正确",
"zipcode" : "格式不正确",
"bodycard" : "格式不正确",
"ip" : "IP不正确",
"file": "类型不正确",
"image" : "类型不正确",
"word" : "类型不正确",
"eq": "不等于",
"gt": "不大于",
"gte": "不大于或等于",
"lt": "不小于",
"lte": "不小于或等于"
},
msg = "", formObj = $(this) , checkRet = true, isAll,
tipname = function(namestr){ return "tip_" + namestr.replace(/([a-zA-Z0-9])/g,"-$1"); },
//规则类型匹配检测
typeTest = function(){
var result = true,args = arguments;
if(rule.hasOwnProperty(args[0])){
var t = rule[args[0]], v = args[1];
result = args.length>2 ? t.apply(arguments,[].slice.call(args,1)):($.isFunction(t) ? t(v) :t.test(v));
}
return result;
},
//错误信息提示 ****** 自定义修改 ******
showError = function(fieldObj,filedName,warnInfo){
checkRet = false;
fieldObj.css("background","#FFDFDD");
var tipObj = $("#"+tipname(filedName));
if(tipObj.length>0) tipObj.remove();
var tipPosition = fieldObj.next().length>0 ? fieldObj.nextAll().eq(this.length-1):fieldObj.eq(this.length-1);
tipPosition.after(" "+warnInfo+" ");
if(isAlert && isAll) msg += "\n" + warnInfo;
//if(isAlert && !isAll) alert(warnInfo);
},
//正确信息提示 ****** 自定义修改 ******
showRight = function(fieldObj,filedName){
fieldObj.css("background","#CCFFCC");
var tipObj = $("#"+tipname(filedName));
if(tipObj.length>0) tipObj.remove();
var tipPosition = fieldObj.next().length>0 ? fieldObj.nextAll().eq(this.length-1):fieldObj.eq(this.length-1);
tipPosition.after(" 正确 ");
},
//匹配对比值的提示名
findTo = function(objName){
var find;
$.each(items, function(){
if(this.name == objName && this.simple){
find = this.simple; return false;
}
});
if(!find) find = $("[name='"+objName+"']")[0].name;
return find;
},
//单元素验证
fieldCheck = function(item){
var i = item, field = $("[name='"+i.name+"']",formObj[0]);
if(!field[0]) return;
var warnMsg,fv = $.trim(field.val()),isRq = typeof i.require ==="boolean" ? i.require : true;
if( isRq && ((field.is(":radio")|| field.is(":checkbox")) && !field.is(":checked"))){
warnMsg = i.message|| i.simple + "没有选择";
showError(field ,i.name, warnMsg);
}else if (isRq && fv == "" ){
warnMsg = i.message|| i.simple + ( field.is("select") ? "没有选择" :"不能为空" );
showError(field ,i.name, warnMsg);
}else if(fv != ""){
if(i.min || i.max){
var len = fv.length, min = i.min || 0, max = i.max;
warnMsg = i.message || (max? i.simple + "长度范围应在"+min+"~"+max+"之间":i.simple + "长度应大于"+min);
if( (max && (len>max || lenshowError(field ,i.name, warnMsg); return;
}
}
if(i.type){
var matchVal = i.to ? $.trim($("[name='"+i.to+"']").val()) :i.value;
var matchRet = matchVal ? typeTest(i.type,fv,matchVal) :typeTest(i.type,fv);
warnMsg = i.message|| i.simple + msgSuffix[i.type];
if(matchVal && i.simple) warnMsg += (i.to ? findTo(i.to) +"的值" :i.value);
if(!matchRet) showError(field ,i.name, warnMsg);
else showRight(field,i.name);
}else{
showRight(field,i.name);
}
}else if (isRq){
showRight(field,i.name);
}
},
//元素组验证
validate = function(){
$.each(items, function(){isAll=true; fieldCheck(this);});
if(isAlert && msg != ""){
alert(msg); msg = "";
}
return checkRet;
};
//单元素事件绑定
$.each(items, function(){
var field = $("[name='"+this.name+"']",formObj[0]);
if(field.is(":hidden")) return;
var obj = this,toCheck = function(){ isAll=false; fieldCheck(obj);};
if(field.is(":file") || field.is("select")){
field.change(toCheck);
}else{
field.blur(toCheck);
}
});
//提交事件绑定
if(isBindSubmit) {
$(this).submit(validate);
}else{
return validate();
}
}
});
})(jQuery);

$(function(){
$("form").valid([
//验证选择
{ name:"checkbox",simple:"多选" },
//验证必填,只要不为空
{ name:"username",simple:"用户名" },
//非必填，邮箱类型
{ name:"email",type:"mail",simple:"邮箱",require:false }
]);
})