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简单而强大的表单验证代码

<title>表单验证类 Validator v1.05</title> <style> body,td{font:normal 12px Verdana;color:#333333} input,textarea,select,td{font:normal 12px Verdana;color:#333333;border:1px solid #999999;background:#ffffff} table{border-collapse:collapse;} td{padding:3px} input{height:20;} textarea{width:80%;height:50px;overflow:auto;} form{display:inline} </style> <table align="center"> <form name="theForm" id="demo" method="get" onSubmit="return Validator.Validate(this,2)"> <tr> <td>身份证号:</td><td><input name="Card" dataType="IdCard" msg="身份证号错误"></td> </tr> <tr> <td>真实姓名:</td><td><input name="Name" dataType="Chinese" msg="真实姓名只允许中文"></td> </tr> <tr> <td>ID:</td><td><input name="username" dataType="Username" msg="ID名不符合规定"></td> </tr> <tr> <td>英文名:</td><td><input name="Nick" dataType="English" require="false" msg="英文名只允许英文字母"></td> </tr> <tr> <td>主页:</td><td><input name="Homepage" require="false" dataType="Url" msg="非法的Url"></td> </tr> <tr> <td>密码:</td><td><input name="Password" dataType="SafeString" msg="密码不符合安全规则" type="password"></td> </tr> <tr> <td>重复:</td><td><input name="Repeat" dataType="Repeat" to="Password" msg="两次输入的密码不一致" type="password"></td> </tr> <tr> <td>信箱:</td><td><input name="Email" dataType="Email" msg="信箱格式不正确"></td> </tr> <tr> <td>信箱:</td><td><input name="Email" dataType="Repeat" to="Email" msg="两次输入的信箱不一致"></td> </tr> <tr> <td>QQ:</td><td><input name="QQ" require="false" dataType="QQ" msg="QQ号码不存在"></td> </tr> <tr> <td>身份证:</td><td><input name="Card" dataType="IdCard" msg="身份证号码不正确"></td> </tr> <tr> <td>年龄:</td><td><input name="Year" dataType="Range" msg="年龄必须在18~28之间" min="18" max="28"></td> </tr> <tr> <td>年龄1:</td><td><input name="Year1" require="false" dataType="Compare" msg="年龄必须在18以上" to="18" operator="GreaterThanEqual"></td> </tr> <tr> <td>电话:</td><td><input name="Phone" require="false" dataType="Phone" msg="电话号码不正确"></td> </tr> <tr> <td>手机:</td><td><input name="Mobile" require="false" dataType="Mobile" msg="手机号码不正确"></td> </tr> <tr> <td>生日:</td><td><input name="Birthday" dataType="Date" format="ymd" msg="生日日期不存在"></td> </tr> <tr> <td>邮政编码:</td><td><input name="Zip" dataType="Custom" regexp="^[1-9]\d{5}$" msg="邮政编码不存在"></td> </tr> <tr> <td>邮政编码:</td><td><input name="Zip1" dataType="Zip" msg="邮政编码不存在"></td> </tr> <tr> <td>操作系统:</td><td><select name="Operation" dataType="Require" msg="未选择所用操作系统" ><option value="">选择您所用的操作系统</option><option value="Win98">Win98</option><option value="Win2k">Win2k</option><option value="WinXP">WinXP</option></select></td> </tr> <tr> <td>所在省份:</td><td>广东<input name="Province" value="1" type="radio">陕西<input name="Province" value="2" type="radio">浙江<input name="Province" value="3" type="radio">江西<input name="Province" value="4" type="radio" dataType="Group" msg="必须选定一个省份" ></td> </tr> <tr> <td>爱好:</td><td>运动<input name="Favorite" value="1" type="checkbox">上网<input name="Favorite" value="2" type="checkbox">听音乐<input name="Favorite" value="3" type="checkbox">看书<input name="Favorite" value="4" type="checkbox"" dataType="Group" min="2" max="3" msg="必须选择2~3种爱好"></td> </tr> <td>自我介绍:</td><td><textarea name="Description" dataType="Limit" max="10" msg="自我介绍内容必须在10个字之内">中文是一个字</textarea></td> </tr> <td>自传:</td><td><textarea name="History" dataType="LimitB" min="3" max="10" msg="自传内容必须在[3,10]个字节之内">中文是两个字节t</textarea></td> </tr> <tr> <td>相片上传:</td><td><input name="up" dataType="Filter" msg="非法的文件格式" type="file" accept="jpg, gif, png"></td> </tr> <tr> <td colspan="2"><input name="Submit" type="submit" value="确定提交"><input onClick="Validator.Validate(document.getElementById('demo'))" value="检验模式1" type="button"><input onClick="Validator.Validate(document.getElementById('demo'),2)" value="检验模式2" type="button"><input onClick="Validator.Validate(document.getElementById('demo'),3)" value="检验模式3" type="button"></td> </tr> </form> </table>
 <script>
Validator =
{
Require : /.+/,  Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,

Phone : /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/,

Mobile : /^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/,

Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,

IdCard : "this.IsIdCard(value)",

Currency : /^\d+(\.\d+)?$/,

Number : /^\d+$/,

Zip : /^[1-9]\d{5}$/,

QQ : /^[1-9]\d{4,8}$/,

Integer : /^[-\+]?\d+$/,

Double : /^[-\+]?\d+(\.\d+)?$/,

English : /^[A-Za-z]+$/,

Chinese : /^[\u0391-\uFFE5]+$/,

Username : /^[a-z]\w{3,}$/i,

UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,

IsSafe : function(str){return !this.UnSafe.test(str);},

SafeString : "this.IsSafe(value)",

Filter : "this.DoFilter(value, getAttribute('accept'))",

Limit : "this.limit(value.length,getAttribute('min'), getAttribute('max'))",

LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",

Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",

Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",

Range : "getAttribute('min') < (value|0) && (value|0) < getAttribute('max')",

Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",

Custom : "this.Exec(value, getAttribute('regexp'))",

Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",

ErrorItem : [document.forms[0]],

ErrorMessage : ["以下原因导致提交失败:\t\t\t\t"],

Validate:function (theForm,mode)

{
var obj=theForm||event.srcElement;
var count=obj.elements.length;
this.ErrorMessage.length=1;
this.ErrorItem.length=1;
this.ErrorItem[0]=obj;
for(var i=0;i<count;i++)
{

with(obj.elements[i])

{
var _dataType=getAttribute("dataType");
if(typeof(_dataType)=="object"||typeof(this[_dataType])=="undefined")continue;
this.ClearState(obj.elements[i]);
if(getAttribute("require")=="false"&value=="")continue;
switch(_dataType)
{

case "IdCard":case "Date":case "Repeat":case "Range":case "Compare":case "Custom":case "Group":case "Limit":case "LimitB":case "SafeString":case "Filter":if(!eval(this[_dataType]))

{
this.AddError(i,getAttribute("msg"));

}break;

default:if(!this[_dataType].test(value))

{
this.AddError(i,getAttribute("msg"));

}break;
}

}
}if(this.ErrorMessage.length>1)
{

modemode=mode||1;

var errCount=this.ErrorItem.length;

switch(mode)

{
case 2:for(var i=1;i<errCount;i++)this.ErrorItem[i].style.color="red";case 1:alert(this.ErrorMessage.join("\n"));this.ErrorItem[1].focus();break;case 3:for(var i=1;i<errCount;i++)
{

try

{
var span=document.createElement("SPAN");
span.id="__ErrorMessagePanel";
span.style.color="red";
this.ErrorItem[i].parentNode.appendChild(span);
span.innerHTML=this.ErrorMessage[i].replace(/\d+:/,"*");

}catch(e)

{
alert(e.description);

}
}this.ErrorItem[1].focus();
break;
default:alert(this.ErrorMessage.join("\n"));
break;

}return false;
}return true;

},limit:function (len,min,max)

{
minmin=min||0;
maxmax=max||Number.MAX_VALUE;
return min<=len&<=max;

},LenB:function (str)

{
return str.replace(/[^\x00-\xff]/g,"**").length;

},ClearState:function (elem)

{
with(elem)
{

if(style.color=="red")style.color="";

var lastNode=parentNode.childNodes[parentNode.childNodes.length-1];

if(lastNode.id=="__ErrorMessagePanel")parentNode.removeChild(lastNode);
}

},AddError:function (index,str)

{
this.ErrorItem[this.ErrorItem.length]=this.ErrorItem[0].elements[index];
this.ErrorMessage[this.ErrorMessage.length]=this.ErrorMessage.length+":"+str;

},Exec:function (op,reg)

{
return new RegExp(reg,"g").test(op);

},compare:function (op1,operator,op2)

{
switch(operator)
{

case "NotEqual":return (op1!=op2);

case "GreaterThan":return (op1>op2);

case "GreaterThanEqual":return (op1>=op2);

case "LessThan":return (op1<op2);

case "LessThanEqual":return (op1<=op2);

default:return (op1==op2);
}

},MustChecked:function (name,min,max)

{
var groups=document.getElementsByName(name);
var hasChecked=0;
minmin=min||1;
maxmax=max||groups.length;
for(var i=groups.length-1;i>=0;i--)if(groups[i].checked)hasChecked++;return min<=hasChecked&<=max;

},DoFilter:function (input,filter)

{
return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g,filter.split(/\s*,\s/).join("|")),"gi").test(input);

},IsIdCard:function (number)

{
var date,Ai;
var verify="10x98765432";
var Wi=[7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];
var area=['','','','','','','','','','','','北京','天津','河北','山西','内蒙古','','','','','','辽宁','吉林','黑龙江','','','','','','','','上海','江苏','浙江','安微','福建','江西','山东','','','','河南','湖北','湖南','广东','广西','海南','','','','重庆','四川','贵州','云南','西藏','','','','','','','陕西','甘肃','青海','宁夏','新疆','','','','','','台湾','','','','','','','','','','香港','澳门','','','','','','','','','国外'];
var re = number.match(/^(\d{2})\d{4}(((\d{2})(\d{2})(\d{2})(\d{3}))|((\d{4})(\d{2})(\d{2})(\d{3}[x\d])))$/i);  
if(re==null)return false;
if(re[1]>=area.length||area[re[1]]=="")return false;
if(re[2].length==12)
{

Ai=number.substr(0,17);

date=[re[9],re[10],re[11]].join("-");

}else 
{

Ai=number.substr(0,6)+"19"+number.substr(6);

date=["19"+re[4],re[5],re[6]].join("-");

}if(!this.IsDate(date,"ymd"))return false;
var sum=0;
for(var i=0;i<=16;i++)
{

sum+=Ai.charAt(i)*Wi[i];
}Ai+=verify.charAt(sum%11);
return (number.length==15||number.length==18&number==Ai);

},IsDate:function (op,formatString)

{
formatStringformatString=formatString||"ymd";
var m,year,month,day;
switch(formatString)
{

case "ymd":m=op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));

if(m==null)return false;

day=m[6];

mmonth=m[5]*1;

year=(m[2].length==4)?m[2]:GetFullYear(parseInt(m[3],10));

break;

case "dmy":m=op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));

if(m==null)return false;

day=m[1];

mmonth=m[3]*1;

year=(m[5].length==4)?m[5]:GetFullYear(parseInt(m[6],10));

break;

default:break;
}if(!parseInt(month))return false;
monthmonth=month==0?12:month;
var date=new Date(year,month-1,day);
return (typeof(date)=="object"&year==date.getFullYear()&month==(date.getMonth()+1)&day==date.getDate());
function GetFullYear(y)
{

return ((y<30?"20":"19")+y)|0;
}

}

}
</script>
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