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超级强大的表单验证

摘要：表单验证类Validatorv1.01body,td{font:normal12pxVerdana;color:#333333}input,...

<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>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</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>

</tr>

<tr>

</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>

</tr>

</form>

</table>

/*************************************************

Validator v1.01

code by 我佛山人

wfsr@cunite.com

http://www.cunite.com

*************************************************/

Validator = {

Require : /.+/,

Email : /^w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*$/,

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

Mobile : /^(((d{3}))|(d{3}-))?13d{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')",

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：tttt"],

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);

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){

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>

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