表单验证 Validator v1.05

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；

对于客户端的表单验证，这个基于JavaScript编写的Validator基本上都可以满足，具体可以下载CHM文件：Validator.CHM下载

示例：

代码如下：
<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}$" msg="邮政编码不存在"></td> </tr> <tr> <td>邮政编码：</td><td><input name="Zip1" dataType="Zip" msg="邮政编码不存在"></td> </tr> <tr> <td>操作系统：</td><td><select name="Operation" dataType="Require" msg="未选择所用操作系统" ><option value="">选择您所用的操作系统</option><option value="Win98">Win98</option><option value="Win2k">Win2k</option><option value="WinXP">WinXP</option></select></td> </tr> <tr> <td>所在省份：</td><td>广东<input name="Province" value="1" type="radio">陕西<input name="Province" value="2" type="radio">浙江<input name="Province" value="3" type="radio">江西<input name="Province" value="4" type="radio" dataType="Group" msg="必须选定一个省份" ></td> </tr> <tr> <td>爱好：</td><td>运动<input name="Favorite" value="1" type="checkbox">上网<input name="Favorite" value="2" type="checkbox">听音乐<input name="Favorite" value="3" type="checkbox">看书<input name="Favorite" value="4" type="checkbox"" dataType="Group" min="2" max="3" msg="必须选择2~3种爱好"></td> </tr> <td>自我介绍：</td><td><textarea name="Description" dataType="Limit" max="10" msg="自我介绍内容必须在10个字之内">中文是一个字</textarea></td> </tr> <td>自传：</td><td><textarea name="History" dataType="LimitB" min="3" max="10" msg="自传内容必须在[3,10]个字节之内">中文是两个字节t</textarea></td> </tr> <tr> <td>相片上传：</td><td><input name="up" dataType="Filter" msg="非法的文件格式" type="file" accept="jpg, gif, png"></td> </tr> <tr> <td colspan="2"><input name="Submit" type="submit" value="确定提交"><input onClick="Validator.Validate(document.getElementById('demo'))" value="检验模式1" type="button"><input onClick="Validator.Validate(document.getElementById('demo'),2)" value="检验模式2" type="button"><input onClick="Validator.Validate(document.getElementById('demo'),3)" value="检验模式3" type="button"></td> </tr> </form> </table> <script> /************************************************* Validator v1.05 code by 我佛山人 wfsr@msn.com *************************************************/ Validator = { Require : /.+/, Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/, 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){ 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; }, 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])))$/i); if(re == null) return false; if(re[1] >= area.length || area[re[1]] == "") return false; if(re[2].length == 12){ Ai = number.substr(0, 17); date = [re[9], re[10], re[11]].join("-"); } else{ Ai = number.substr(0, 6) + "19" + number.substr(6); date = ["19" + re[4], re[5], re[6]].join("-"); } if(!this.IsDate(date, "ymd")) return false; var sum = 0; for(var i = 0;i<=16;i++){ sum += Ai.charAt(i) * Wi[i]; } Ai += verify.charAt(sum%11); return (number.length ==15 || number.length == 18 && number == Ai); }, IsDate : function(op, formatString){ formatString = formatString || "ymd"; var m, year, month, day; switch(formatString){ case "ymd" : m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$")); if(m == null ) return false; day = m[6]; month = m[5]*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]; month = m[3]*1; year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10)); break; default : break; } if(!parseInt(month)) return false; month = 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>
[Ctrl+A 全选 提示:你可先修改部分代码,再点运行代码]

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

[ASP]版代码拷贝框

1 < %
2 ClassValidator
3 ' *************************************************
4 ' ValidatorforASPbeta2服务器端脚本
5 ' codeby我佛山人
6 ' [email protected]
7 ' http://www.cunite.com
8 ' *************************************************
9 Private Re,Dic
10 Private Separator
11 Private ErrorItem,ErrorMessage,ErrorMode,ErrorNo
12 Private FormName,FormIndex,FilePath,GetMethod
13
14 Private Sub Class_Initialize()
15 Set Re = New RegExp
16 Re.IgnoreCase = True
17 Re.Global = True
18 Set Dic = CreateObject ( " Scripting.Dictionary " )
19 Separator = " ,"
20 ErrorItem = " "
21 ErrorMessage = " "
22 ErrorMode = 5
23 ErrorNo = 1
24 FilePath = Server.MapPath(Request.ServerVariables( " Script_Name " ))
25 GetMethod = " FSO"
26 EndSub
27
28 Private Sub Class_Terminate()
29 Set Re = Nothing
30 Dic.RemoveAll()
31 Set Dic = Nothing
32 EndSub
33
34 Public Sub Validate()
35 IF Request( " Submit " ) = "" Then Exit Sub
36 IF Not IsValidPost() Then Exit Sub
37
38 With Dic
39 .Add " Compare " , " Compare(PostValue,operator,toObj)"
40 .Add " Custom " , " Custom(PostValue,regexp)"
41 .Add " Date " , " IsDateFormat(PostValue,format)"
42 .Add " Limit " , " Limit(PostValue,min,max)"
43 .Add " LimitB " , " LimitB(PostValue,min,max)"
44 .Add " Range " , " Range(PostValue,min,max)"
45 .Add " Repeat " , " IsEqual(PostValue,Request(toObj))"
46 .Add " Group " , " Group(PostValue,min,max)"
47
48 .Add " NotEqual " , " Op1<>Op2"
49 .Add " GreaterThan " , " Op1>Op2"
50 .Add " GreaterThanEqual " , " Op1>=Op2"
51 .Add " LessThan " , " Op1<Op2"
52 .Add " LessThanEqual " , " Op1<=Op2"
53 .Add " Equal " , " Op1=Op2"
54 End With
55
56 Call MatchCode()
57
58 IF ErrorMessage <> "" Then DisplayError
59 EndSub
60
61 Private Sub MatchCode()
62 Dim bI,bG,bM
63 Dim Str
64
65 Select Case GetMethod
66 Case " FSO " :
67 Dim FSO: Set FSO = Server. CreateObject ( " Scripting.FileSystemObject " )
68 Set TS = FSO.OpenTextFile(FilePath, 1 , false )
69 Str = TS.ReadAll()
70 TS.Close
71 Set TS = Nothing
72 Set FSO = Nothing
73 Case " XMLHTTP " :
74 Dim XHttp: Set XHttp = Server. CreateObject ( " MSXML2.XMLHTTP " )
75 With XHttp
76 Call .Open( " Get " , " http:// " & Request.ServerVariables( " Server_Name " ) & Request.ServerVariables( " Script_Name " ), False )
77 Call .Send()
78 Str = B2S(.responseBody)
79 End With
80 Set XHttp = Nothing
81 End Select
82 Dim itemString
83 With Re
84 bI = .IgnoreCase
85 bG = .Global
86 bM = .MultiLine
87 .IgnoreCase = True
88 .Global = True
89 .Pattern = " [\s\S]*<form[^>]+>([\s\S]+)<\/form>[\s\S]*"
90 Str = . Replace (Str, " $1 " )
91
92 .Global = True
93 .MultiLine = True
94 .Pattern = " <\/?(?!input|textarea|select)[^>]*>"
95 Str = . Replace (Str, "" )
96
97 .Pattern = " ^.*(<(?=input|textarea|select)[^>]*>).*$"
98 Str = . Replace (Str, " $1 " )
99
100 .Pattern = " ([\r\n]+|^\s*)(?=<)"
101 Str = . Replace (Str, "" )
102 While Test( " dataType=([""\'])([^""\'>]+)\1 " ,Str)
103 .MultiLine = False
104 .Pattern = " ^([^\n]+)\n([\s\S]*)$"
105 itemString = . Replace (Str, " $1 " )
106 Str = . Replace (Str, " $2 " )
107 .Pattern = " (name|dataType|to1|min|max|msg|require|regexp|format)=([""\'])([^""\'>]+)\2"
108
109 Dim Matches: Set Matches = . Execute (itemString)
110 Dim Match,RetStr:RetStr = " "
111 For Each MatchinMatches
112 RetStr = RetStr & Match.Value & " :"
113 Next
114 Call IsValid( Replace ( Replace ( Replace (RetStr, " :$ " , "" ), " to= " , " toObj= " ), " ""Require"" " , " ""NotEmpty"" " ))
115 Wend
116 .IgnoreCase = bI
117 .Global = bG
118 .MultiLine = bM
119
120 End With
121 EndSub
122
123 Private Sub IsValid(ByValStr)
124 Dim name,msg,dataType,toObj,min,max,require,regexp,format
125 min = 1 :max = 100 :require = " true " :format = " YMD"
126 Execute Str
127 Dim PostValue:PostValue = Request(name)
128 Dim Fun
129
130 IF require = " false " AND PostValue = "" Then Exit Sub
131
132 IF Dic.Exists(dataType) Then
133

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