表单的验证一直是网页设计者头痛的问题,表单验证类 Validator就是为解决这个问题而写的,旨在使设计者从纷繁复杂的表单验证中解放出来,把精力集中于网页的设计和功能上的改进上。
Validator是基于JavaScript技术的伪静态类和对象的自定义属性,可以对网页中的表单项输入进行相应的验证,允许同一页面中同时验证多个表单,熟悉接口之后也可以对特定的表单项甚至仅仅是某个字符串进行验证。因为是伪静态类,所以在调用时不需要实例化,直接以"类名+.语法+属性或方法名"来调用。此外,Validator还提供3种不同的错误提示模式,以满足不同的需要。
Validator目前可实现的验证类型有:
[JavaScript] 版
Validator目前可实现的验证类型有:
1.是否为空;
2.中文字符;
3.双字节字符
4.英文;
5.数字;
6.整数;
7.实数;
8.Email地址;
9.使用HTTP协议的网址;
10.电话号码;
11.货币;
12.手机号码;
13.邮政编码;
14.身份证号码(1.05增强);
15.QQ号码;
16.日期;
17.符合安全规则的密码;
18.某项的重复值;
19.两数的关系比较;
20.判断输入值是否在(n, m)区间;
21.输入字符长度限制(可按字节比较);
22.对于具有相同名称的单选按钮的选中判断;
23.限制具有相同名称的多选按钮的选中数目;
24.自定义的正则表达式验证;
25.文件上传格式过滤(1.04)
运行环境(客户端):
在Windows Server 2003下用IE6.0+SP1和Mozilla Firefox 1.0测试通过;
在Lunix RedHat 9下的Netscape测试通过;
示例:
更新历史:
1.01
修正对12月份的日期验证(感谢flylg999)
1.03
修正Range验证类型时将数字当字符串比较的bug(感谢cncom和xtlhnhbb)
修正日期验证(感谢Papsam)
增加Username验证类型
增加对Phone验证类型时支持分机号
1.04
增加文件格式的过滤,用于上传时限制上传的文件格式
1.05
增强对身份证号码的验证
php版:
class Validator{
var $submit;
var $error_item, $error_message, $error_mode, $error_no;
function Validator($submit_name = "Submit", $mode = 5){
$this->submit = $submit_name;
$this->error_mode = $mode;
$this->error_no = 1;
}
function Validate($arr){
if(! isset($_POST[$this->submit])) return false;
$this->error_mode = $_POST["emode"];
echo "";
if(is_array($arr)){
$len = count($arr);
for($i = 0; $i < $len; $i++){
$this->is_valid($arr[$i]);
}
}
if($this->error_no > 1)
$this->display_error();
}
function is_valid($str){
$str = split(",", $str);
if(count($str) < 3) return false;
$name = trim($str[0]);
$message = trim($str[1]);
$data_type = trim($str[2]);
$value = trim($_POST[$name]);
switch($data_type){
case "compare" :
break;
case "range" :
break;
case "repeat" :
break;
default :
$method = "is_".$data_type;
if(!$this->$method($value))
$this->add_error($name, $message);
break;
}
}
function add_error($name, $message){
$this->error_item .= "," . $name;
$this->error_message .= "," . $this->error_no . ":" . $message;
$this->error_no ++;
}
function display_error(){
$this->error_item = ereg_replace("^,+", "", $this->error_item);
$this->error_message = ereg_replace("^,+", "", $this->error_message);
switch($this->error_mode){
case 4 :
$info = "以下原因导致提交失败:\t\t\t\t,";
echo "";
//print >>>end;
break;
case 5 :
echo "输入有错误:
- " . ereg_replace( "\b\d+:", "",join("
- ", split(",", $this->error_message))) . "
echo "
返回";
exit;
break;
default :
echo "";
break;
}
}
function is_email($str){
return preg_match("/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/", $str);
}
function is_url($str){
return preg_match("/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"])*$/", $str);
}
function is_qq($str){
return preg_match("/^[1-9]\d{4,8}$/", $str);
}
function is_zip($str){
return preg_match("/^[1-9]\d{5}$/", $str);
}
function is_idcard($str){
return preg_match("/^\d{15}(\d{2}[A-Za-z0-9])?$/", $str);
}
function is_chinese($str){
return ereg("^[".chr(0xa1)."-".chr(0xff)."]+$",$str);
}
function is_english($str){
return preg_match("/^[A-Za-z]+$/", $str);
}
function is_mobile($str){
return preg_match("/^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/", $str);
}
function is_phone($str){
return preg_match("/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/", $str);
}
function is_safe($str){
return (preg_match("/^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/", $str) != 0);
}
}
$v = new Validator();
$v->Validate(array("Name,名字只允许中文,chinese", "Nick, 只允许英文昵称, english", "Homepage, 主页Url格式不正确, url", "Password, 密码不符合安全规则, safe","Email,信箱格式错误,email", "QQ, QQ号码不存在, qq","Card, 身份证号码不正确, idcard","Phone, 电话号码不存在, phone","Mobile, 手机号码不存在, mobile","Zip, 邮政编码不存在, zip"));
?>
asp版:
<%
Class Validator
Private Re, Dic
Private Separator
Private ErrorItem, ErrorMessage, ErrorMode, ErrorNo
Private FormName, FormIndex, FilePath, GetMethod
Private Sub Class_Initialize()
Set Re = New RegExp
Re.IgnoreCase = True
Re.Global = True
Set Dic = CreateObject("Scripting.Dictionary")
Separator = ","
ErrorItem = ""
ErrorMessage = ""
ErrorMode = 5
ErrorNo = 1
FilePath = Server.MapPath(Request.ServerVariables("Script_Name"))
GetMethod = "FSO"
End Sub
Private Sub Class_Terminate()
Set Re = Nothing
Dic.RemoveAll()
Set Dic = Nothing
End Sub
Public Sub Validate()
IF Request("Submit")="" Then Exit Sub
IF Not IsValidPost() Then Exit Sub
With Dic
.Add "Compare", "Compare( PostValue, operator, toObj)"
.Add "Custom", "Custom( PostValue,regexp )"
.Add "Date", "IsDateFormat( PostValue,format )"
.Add "Limit", "Limit( PostValue,min, max )"
.Add "LimitB", "LimitB( PostValue,min, max )"
.Add "Range", "Range( PostValue,min, max )"
.Add "Repeat", "IsEqual( PostValue, Request(toObj) )"
.Add "Group", "Group( PostValue,min, max )"
.Add "NotEqual", "Op1 <> Op2"
.Add "GreaterThan", "Op1 > Op2"
.Add "GreaterThanEqual", "Op1 >= Op2"
.Add "LessThan", "Op1 < Op2"
.Add "LessThanEqual", "Op1 <= Op2"
.Add "Equal", "Op1 = Op2"
End With
Call MatchCode()
IF ErrorMessage <> "" Then DisplayError
End Sub
Private Sub MatchCode()
Dim bI, bG, bM
Dim Str
Select Case GetMethod
Case "FSO" :
Dim FSO : Set FSO = Server.CreateObject("Scripting.FileSystemObject")
Set TS = FSO.OpenTextFile(FilePath, 1, false)
Str = TS.ReadAll()
TS.Close
Set TS = Nothing
Set FSO = Nothing
Case "XMLHTTP" :
Dim XHttp : Set XHttp = Server.CreateObject("MSXML2.XMLHTTP")
With XHttp
Call .Open("Get", "http://"&Request.ServerVariables("Server_Name")&Request.ServerVariables("Script_Name"), False)
Call .Send()
Str =B2S(.responseBody)
End With
Set XHttp = Nothing
End Select
Dim itemString
With Re
bI = .IgnoreCase
bG = .Global
bM = .MultiLine
.IgnoreCase = True
.Global = True
.Pattern = "[\s\S]*