【发布时间】：2014-09-12 12:53:47
【问题描述】：
我在使用外部 java 脚本时遇到问题。由于表单验证效果不佳，我犯了一些错误。当 java 脚本代码在内部时，它做得很好。当我将它放在外部文件中时，它什么也不做。这是代码。
html
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Data management system</title>
<script type="text/javascript" src="myscript.js" ></script>
</head>
<body>
<div class="main">
<div class="header"></div>
<div class="continer">
<div class="myForm1" style="height:200px; width:300px; float:left;">
<h2>MTC</h2>
<form name="myForm1" action="access.jsp" method="get" onsubmit="return validateMtc()">
<br/>MSISDN:<input type="text" name="MISDN" maxlength="11">
<br/>RECIEPIENT:<input type="text" name="recipient" maxlength="12">
<br/>DONOR:<input type="text" name="donor" maxlength="10">
<br/>Date:<input type="text" name="date" value="">
<br/>RN#:<input type="text" name="rn" value="" maxlength="5">
<br/>Issue:<input type="text" name="Issue" maxlength="13">
<br/>SR:<input type="text" name="SR" maxlength="14">
<br/><input type="submit" value="Submit">
<br/><input type="reset" name="Reset">
</form>
</div>
<div class="myform2" style="float:left; height:200px; width:300px;">
<h2>O.C.S</h2>
</div>
<div class="myform3" style="float:left; height:200px; width:300px;">
<h2>K.B.C</h2>
</div>
</div>
</div>
</body>
myscript.js
//alert(1);
var numbers = /^[0-9]+$/;
var Datee=/^[0-9-]*$/ig;///^\d{1, 2}\/\d{1, 2}\/\d{4}$/;
var alpha_Numeric=/^[a-zA-Z0-9]*$/ig;
var alpha=/^[A-Za-z]+$/;
var a = document.forms["myForm1"]["MISDN"].value;
var b = document.forms["myForm1"]["Issue"].value;
var c = document.forms["myForm1"]["SR"].value;
var d = document.forms["myForm1"]["date"].value;
var e = document.forms["myForm1"]["recipient"].value;
var f = document.forms["myForm1"]["donor"].value;
var g = document.forms["myForm1"]["rn"].value;
var h = document.forms["myForm2"]["MISDN"].value;
var i = document.forms["myForm2"]["SR"].value;
var j = document.forms["myForm2"]["reason"].value;
var k = document.forms["myForm3"]["MSISDN"].value;
var l = document.forms["myForm3"]["SR"].value;
function validateMtc()
{
if(a == "" || b == "" || c == "" || d == "")
{
alert("Manadotry fields should not left blank");
document.myForm1.MISDN.focus();
document.myForm1.Issue.focus();
document.myForm1.SR.focus();
document.myForm1.date.focus();
return false;
}
else if(!a.match(numbers))
{
alert('Please input numeric characters only in MSISDN field');
document.myForm1.MISDN.focus();
return false;
}
else if(!(b.match(alpha_numeric)))
{
alert('Please input numeric and alphabets only in ISSUE field');
document.myForm1.Issue.focus();
return false;
}
else if(!c.match(numbers))
{
alert('Please input numeric characters only SR field');
document.myForm1.SR.focus();
return false;
}
else if(!d.match(Datee))
{
alert('Please input correct date in DATE field (dd-mm-yy)');
document.myForm1.date.focus();
return false;
}
else if(!e.match(alpha))
{
alert('Please input aplhabets only in reciepeint filed');
document.myForm1.recipient.focus();
return false;
}
else if(!f.match(alpha))
{
alert('Please input aplhabets only in donor field');
document.myForm1.donor.focus();
return false;
}
else if(!g.match(alpha_Numeric))
{
alert('Please input aplhabets and numerics only in RN# field');
document.myForm1.rn.focus();
return false;
}
else
return true;
//alert("!!!!!!!!");
}
function validate_ocs()
{
if(h == "" || i == "" || j == "")
{
alert("Manadotry fields should not left blank");
document.myForm1.MISDN.focus();
document.myForm1.Issue.focus();
document.myForm1.SR.focus();
document.myForm1.date.focus();
return false;
}
else if(!h.match(numbers))
{
alert('Please input numeric characters only in MSISDN field');
document.myForm2.MISDN.focus();
return false;
}
else if(!i.match(numbers))
{
alert('Please input numeric characters only SR field');
document.myForm2.SR.focus();
return false;
}
else if(!(j.match(alpha_numeric)))
{
alert('Please input numeric and alphabets only in ISSUE field');
document.myForm2.Issue.focus();
return false;
}
else
return true;
}
function validate_kbc()
{
if(k == "" || l == "")
{
alert("Manadotry fields should not left blank");
document.myForm1.MISDN.focus();
document.myForm1.SR.focus();
return false;
}
else if(!k.match(numbers))
{
alert('Please input numeric characters only in MSISDN field');
document.myForm3.MISDN.focus();
return false;
}
else if(!l.match(numbers))
{
alert('Please input numeric characters only in SR field');
document.myForm3.SR.focus();
return false;
}
else
return true;
}
//alert('!!!');
【问题讨论】：
-
如果可以选择使用 3rd 方库，何不试试出色的 JQuery Validation 插件jqueryvalidation.org
-
@ChaoticNadirs 要求是在 JS 中做！
标签： java javascript jsp validation