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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>vForm表单验证程序</title>
<style type="text/css">
<!--
div.info {
width: 170px;
overflow:visible;
height:auto;
font-size: small;
position: absolute;
background-color: #FFffdd;
border: 1px solid #000;
filter:progid:DXImageTransform.Microsoft.Shadow(color=#111111,direction=135,strength=3);
top: 375px;
padding: 5px;
left: 671px;
}
div.info_title .err{
padding: 5px;
height: 50px;
width: 24em;
position: absolute;
background-color: #FFFFCC;
left: 196px;
top: 114px;
font-size: small;
opacity:0.5;
border: 1px double #333333;
filter: Shadow(Color=#000000, Direction=135);
filter:progid:DXImageTransform.Microsoft.Shadow(color=#111111,direction=135,strength=5); }
#form1 .text_input {
border-top: 1px solid #333333;
border-right: 1px solid #999999;
border-bottom: 1px solid #ddd;
border-left: 1px solid #000000;
}
.info_title {
color: #FF0000;
background: #ACB9D1;
}
#form1 {
position: static;
left: 581px;
top: 463px;
border: 1px solid #3300FF;
padding: 5px;
;
}
#imok {
display: block;
position: absolute;
height:315px;
overflow:scroll;
left: 100px;
top: 100px;
width: 306px;
}
.title h1 {
background: #33CCFF;
border-bottom: medium solid #3366FF;
}
.title p {
font-size: medium;
text-indent: 2em;
}
body {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: medium;
} code {
font: 12px/18px "lucida Grande", verdana, lucida, Arial, helvetica, "宋体", sans-serif;
border:1px solid #0099cc;
padding:5px;
margin: 5px;
width: 80%;
color: #000;
background-color: #ddedfb;
display: block;
} -->
</style>
<script language="JavaScript" type="text/javascript">
//程序基本思路：通过扩展对象来实现，将String扩展 将默认的表单元素扩展 定义两个自定义对象。
//String.isEmail
//String.isUrl
//表单元素.required
//表单元素.isvalid
//表单元素.validate
// //字符串验证扩展
//├电子邮件验证
String.prototype.isEmail = function(){
var tmpStr = this;
var email = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
return email.test(tmpStr)
}
//├http地址验证
String.prototype.isUrl = function(){
var url = /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/;
var tmpStr = this;
return url.test(tmpStr);
}
//├日期验证（第一部分）
String.prototype.isDateTime = function(){
if(Date.parse(this)||Date.parseDate(this))
{
return true;
}
else
{
return false;
}
}
String.prototype.isInteger = function()
{
var _i = /^[-\+]?\d+$/;
var _s = this;
return _i.test(_s);
}
Date.prototype.toIsoDate = function()
{
var _d = this;
var _s;
_Y =_d.getFullYear();
_M = _d.getMonth() + 1;
_D = _d.getDate();
_H = _d.getHours();
_I = _d.getMinutes();
_S = _d.getSeconds();
with(_d)
{
_s = [getMonth() + 1,getDate(),getHours(),getMinutes(),getSeconds()];
}
for(var i = 0; i < _s.length; i++)
{
if (_s[i].toString().length == 1)_s[i]= '0'+_s[i];
}
return (_Y + '-'+_s[0]+'-'+_s[1]+' '+_s[2]+':'+_s[3]+':'+_s[4])
}
//├日期验证（第二部分）
Date.parseDate = function(str, fmt) {
fmtfmt = fmt||"%Y-%m-%d %H:%M";
var today = new Date();
var y = 0;
var m = -1;
var d = 0;
var a = str.split(/\W+/);
var b = fmt.match(/%./g);
var i = 0, j = 0;
var hr = 0;
var min = 0;
for (i = 0; i < a.length; ++i) {
if (!a[i])
continue;
switch (b[i]) {
case "%d":
case "%e":
d = parseInt(a[i], 10);
break; case "%m":
m = parseInt(a[i], 10) - 1;
break; case "%Y":
case "%y":
y = parseInt(a[i], 10);
(y < 100) && (y += (y > 29) ? 1900 : 2000);
break; case "%b":
case "%B":
for (j = 0; j < 12; ++j) {
if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
}
break; case "%H":
case "%I":
case "%k":
case "%l":
hr = parseInt(a[i], 10);
break; case "%P":
case "%p":
if (/pm/i.test(a[i]) && hr < 12)
hr += 12;
else if (/am/i.test(a[i]) && hr >= 12)
hr -= 12;
break; case "%M":
min = parseInt(a[i], 10);
break;
}
}
if (isNaN(y)) y = today.getFullYear();
if (isNaN(m)) m = today.getMonth();
if (isNaN(d)) d = today.getDate();
if (isNaN(hr)) hr = today.getHours();
if (isNaN(min)) min = today.getMinutes();
if (y != 0 && m != -1 && d != 0)
return new Date(y, m, d, hr, min, 0);
y = 0; m = -1; d = 0;
for (i = 0; i < a.length; ++i) {
if (a[i].search(/[a-zA-Z]+/) != -1) {
var t = -1;
for (j = 0; j < 12; ++j) {
if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { t = j; break; }
}
if (t != -1) {
if (m != -1) {
d = m+1;
}
m = t;
}
} else if (parseInt(a[i], 10) <= 12 && m == -1) {
m = a[i]-1;
} else if (parseInt(a[i], 10) > 31 && y == 0) {
y = parseInt(a[i], 10);
(y < 100) && (y += (y > 29) ? 1900 : 2000);
} else if (d == 0) {
d = a[i];
}
}
if (y == 0)
y = today.getFullYear();
if (m != -1 && d != 0)
return new Date(y, m, d, hr, min, 0);
return today;
};
//扩展完成 //对象定义 var vform = new Object;
//获取弹出提示的显示位置
vform.getAbsolutePos = function(el) {
var _p = { x: 0, y: 0 };
do{
_p.x += (el.offsetLeft - el.scrollLeft);
_p.y += (el.offsetTop - el.scrollTop);
}
while(elel=el.offsetParent)
return _p;
};
vform.toString = function()
{
return("vForm表单验证程序\n版本：1.0beta\n作者：雷晓宝\n时间：2006-07-31\n网址：http://lxbzj.com\n许可：LGPL");
}
vform.rules = new Array;
vform.rules.add = function(obj,minLength,dataType,errmsg,maxLength,rule,patams)
{
var curlen = this.length;
this[curlen] = [obj,minLength,dataType,errmsg,maxLength,rule,patams];
//this[curlen] = [ 0 , 1 , 2 , 3 , 4 , 5 , 6 ]; return this.length;
}
vform.init= function()
{
if(document.getElementById(this.form_id))
{
//获取表单
var o = document.getElementById(this.form_id);
//遍历规则
for(var i = 0 ;i< this.rules.length;i++)
{
_r = this.rules[i]
//如果存在元素，则添加验证程序
if(_o = o.elements[_r[0]])
{
//判断是是否必填,是否有最小长度
if(_r[1] > 0 )
{
_o.required = true;//必填的含义和最小长度为1是一样的
_o.minLength = parseInt(_r[1]);
}
else
{
_o.required = false;
_o.minLength = 0;
}
//判断是否有最大长度;
if(_r[4])
{
_o.maxLength = parseInt(_r[4]);
}
//添加长度验证函数
_o.validLength = function ()
{
var b =true;
if(this.minLength)
{
b = (this.minLength <= this.value.length);
}
if(this.type == 'textarea' && this.maxLength )
{
bb = b && (this.maxLength >= this.value.length );
}
return (b);
}
//添加验证，进行格式验证
switch(_r[2])
{
case 'e-mail':
_o.validate = function()
{
thisthis.isvalid = this.validLength() && this.value.isEmail();
return (this.isvalid);
};
break;
case 'url':
_o.validate = function()
{
if (this.value.substring(0,7) != 'http://')this.value = 'http://' +this.value;
thisthis.isvalid = this.validLength() && this.value.isUrl();
return (this.isvalid);
}
break;
case 'date':
_o.validate = function()
{
var _d = Date.parse(this.value)||Date.parseDate(this.value);
this.value = _d.toIsoDate(); thisthis.isvalid = this.validLength() && this.value.isDateTime();
return (this.isvalid);
aa=a>b?1:1;
}
break;
case 'number':
_o.validate = function()
{
thisthis.isvalid = this.validLength() && this.value.isInteger();
return (this.isvalid); }
break;
case 'any':
_o.validate = function()
{
thisthis.isvalid = this.validLength();
return this.isvalid
}
break;
default :
var regexp = /^\\\w+$/;
if ( regexp.test(_r[2]))//表示必须和同表单下的某个字段的值一样。用于重复输入的验证
{
_el = _r[2].substring(1);
if (o.elements[_el]){
_o.equal = _el;
_o.validate = function()
{
if(_o = this.form.elements[this.equal])
{
if ( (_o.value == this.value) && this.validLength())
{
return true;
}else {
return false;
}
}else{
alert('setup error');
} }
}else
{
alert(_el + 'is not a valid form element');
_o.validate = function(){return true;}
}
}
var regexp1 = /^\\(==|!=|>=|<=|>|<)/;
if ( regexp1.test(_r[2]) )
{
_s0 = _r[2];
_s1 = RegExp.$1;
_s2 = _s0.replace(regexp1,'');
_operator = _s1.substring(0);//比较操作符
var regexp2 = /^\w+$/;
if (regexp2.test(_s2))//是一个标志符，整数 或者变量
{
_o.operation = _operator+_s2;
_o.validate = function()
{
_b = true;
if (this.value.length !=0)
{
_b = eval(this.value+this.operation+';');
}
_b_b = _b && this.validLength();
return _b;
}
}
};
break; }
//添加验证提示(div标签)并初始化
var _p = vform.getAbsolutePos(_o);
_o.tip = new tip(_r[3],vform.err_class,_p.x+_o.offsetWidth+3,_p.y); _o.tip.init();
//失去焦点时，开始验证
_o.onblur =function(e)
{
if(this.minLength || this.value.length >0)
{
if( this.validate() )
{
this.tip.hide();
}else
{
this.tip.show();//显示错误信息
//this.focus(); 添加这句在ie里会导致死循环 :(
return false;
}
}
}
}
}
//焦点验证可能会失败,所以最后需要表单提交前的验证作为最后的补充。
document.getElementById(this.form_id).onsubmit = function()
{
var valid = true;
for(i=0;i<this.elements.length;i++)
{
_o = this.elements[i];
if(_o.minLength && !_o.isvalid)
{
_o.tip.show();
valid = false;
}
}
return valid;
}
}
}
//弹出提示定义
function tip(text,className,x,y)
{
var o = document.createElement("div");
o.style.display = "none";
o.innerHTML = text;
//var t = document.createTextNode(text);
document.body.appendChild(o);
//o.appendChild(t); this.init = function(dis)
{
o.className = "info";
o.style.left = x+"px";
o.style.top = y+"px";
o.style.zindex = 100;
if(dis)
{
o.style.display = "";
}
else
{
o.style.display = "none";
}
}
this.show = function()
{
o.style.display = "";
}
this.hide = function()
{
o.style.display = "none";
}
}
function start()
{
vform.form_id = 'form1';//必须是表单的id
vform.err_class = 'info';//出错提示的样式
//验证规则，逐条填写
vform.rules.add('frm_name',1,'e-mail','请您按照 user@domain.com 的格式输入电子邮件地址。<br /><span style="color:#f00">必填项目</span>');
vform.rules.add('myweb',1,'url','请您按照 http://www.domain.com 的格式输入您的网址。<br /><span style="color:#f00">必填项目</span>');
vform.rules.add('dateinput',0,'date','请按2000-03-05 的格式输入日期。<br /><span style="color:#f00">必填项目</span>');
vform.rules.add('qq',0,'number','这必须是一个整数');
vform.rules.add('least10',10,'any','您必须至少填写10个<br /><span style="color:#f00">必填项目</span>');
vform.rules.add('ok100',1,'any','这里被限制为100个字符<br /><span style="color:#f00">必填项目</span>',100);
vform.rules.add('r_pass0',5,'any','密码最短5位最长20位<br /><span style="color:#f00">必填项目</span>',20);
vform.rules.add('r_pass1',5,"\\r_pass0",'确认密码错误<br /><span style="color:#f00">必填项目</span>',20);
vform.rules.add('frm_sel',1,"\\>2",'必须大于2000<br /><span style="color:#f00">必填项目</span>');
vform.init(); } </script>
</head>
<body onload="start()"> <form id="form1" name="form1" method="get" action="">
<label for="frm_name">e-mail:
<input name="frm_name" type="text" class="text_input" id="frm_name" title="输入一个电子邮箱地址"/>
</label>
*
<p>
<label for="r_pass0">输入密码：
<input name="r_pass0" type="text" class="text_input" id="r_pass0" title="输入您希望的密码 " />
</label>
*</p>
<p>
<label for="r_pass1">密码确认：
<input name="r_pass1" type="text" class="text_input" id="r_pass1" title="将密码确认一次" />
</label>
*</p>
<p>
<label for="frm_sel">选择：
<select name="frm_sel" id="frm_sel" title="请选择一个答案">
<option value="0">请选择一个答案</option>
<option value="1" selected="selected">1000</option>
<option value="2">2000</option>
<option value="3">3000</option>
<option value="4">4000</option>
<option value="5">5000</option>
<option value="6">6000</option>
</select>
</label>
*</p>
<p>
<label for="input3">输入网址：
<input name="myweb" type="text" class="text_input" id="input3" title="输入一个网址" onmousemove="" value="http://" maxlength="100"/>
</label>
*</p>
<p>
<label for="dateinput">输入日期
<input name="dateinput" type="text" class="text_input" title="输入一个日期" id="dateinput"/>
</label>
*</p>
<p>
<label for="mub">输入数字
<input name="qq" type="text" class="text_input" title="填写数字" id="mub"/>
</label>
</p>
<p>
<label for="len">输入任意但长度限制为10个
<input name="least10" type="text" class="text_input" maxlength="88" id="len"/>
*
</label>
</p>
<p>
<label for="text">只能输入100个
<textarea name="ok100" cols="40" rows="5" id="text" title="详细内容"></textarea>
*
</label>
</p>
<p>
<input type="submit" name="Submit" value="提交" />
<button onclick="alert(vform)" >关于验证程序</button>
</p>
</form>
<!--具体的日期设置，必须放在body的结束标签前面-->
<script type="text/javascript">
vform .init();
Calendar.setup({
inputField : "dateinput", // 把这个改成你需要的 id
ifFormat : "%Y-%m-%d %H:%M", // format of the input field
showsTime : true,
//button : "dateinput_btn",
timeFormat : "24"
});
</script>
</body>
</html>
