超级强大的表单验证

　　<title>表单验证类 Validator v1.01</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;overfmin:auto;}
form{display:inline}
</style>
<table align=center>
<form name=theForm id=demo action= method=get onSubmit=return Validator.Validate(this,2)>
<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>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 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 v1.01
code by 我佛山人

*************************************************/
Validator = {
Require : /.+/,
Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
Phone : /^((\(\d{3}\))(\d{3}\-))?(\(0\d{2,3}\)0\d{2,3}-)?[1-9]\d{6,7}$/,
Mobile : /^((\(\d{3}\))(\d{3}\-))?13\d{9}$/,
Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\:+!]*([^<>\\])*$/,
IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
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]+$/,
Chinese : /^[\u0391-\uFFE5]+$/,
UnSafe : /^(([A-Z]*[a-z]*\d*[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\\]*).{0,5})$\s/,
IsSafe : function(str){return !this.UnSafe.test(str);},
SafeString : this.IsSafe(value),
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 && value < getAttribute(max),
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 Date :
case Repeat :
case Range :
case Compare :
case Custom :
case Group :
case Limit :
case LimitB :
case SafeString :
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){
mode = 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);
}
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){
min = min 0;
max = max Number.MAX_VALUE;
return min <= len && 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;
min = min 1;
max = max groups.length;
for(var i=groups.length-1;i>=0;i--)
if(groups[i].checked) hasChecked++;
return min <= hasChecked && hasChecked <= max;
},
IsDate : function(op, formatString){
formatString = 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];
month = m[5]--;
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];
month = m[3]--;
year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
break;
default :
break;
}
if(!parseInt(month)) return false;
month = month==12 ?0:month;
var date = new Date(year, month, day);
return (typeof(date) == object && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
function GetFullYear(y){return ((y<30 ? 20 : 19) + y)0;}
}
}
</script>