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一个js登陆应验例子 经典

热度：441   发布时间：2012-06-29 15:48:46.0
一个js登陆验证例子 经典

<html>
<head>
<title>表单验证类 Validator v1.03 完整实例</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>

</head>
<body>
<table align="center">
? <form name="theForm" id="demo" action="http://localhost/reg.aspx" method="get"
? onSubmit1="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>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 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 : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/,
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]+$/,
Chinese :? /^[\u0391-\uFFE5]+$/,
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)",
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 "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})$"));
if(m == null ) return false;
day = m[6];
month = m[5]*1;
year =? (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
break;
case "dmy" :
m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
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>
</body>
</html>

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