在下面的 jsp 中,当我更改下拉列表时,值不会被清除。请帮帮我。但是另一个函数(Enable())工作正常。任何人都可以让我知道我哪里出错了。
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Untitled Document</title>
<script type="text/javascript">
document.getElementById("Comp_Text").value=document.getElementById("tgt1").value;
function Enable(){
if(document.getElementById("abcd").value=="DAIS")
{
document.getElementById("c1").disabled=true;
document.getElementById("c2").disabled=true;
document.getElementById("c3").disabled=true;
document.getElementById("c4").disabled=true;
document.getElementById("c5").disabled=true;
document.getElementById("c6").disabled=true;
document.getElementById("c1").value='0';
document.getElementById("c2").value='0';
document.getElementById("c3").value='0';
document.getElementById("c4").vaue='0';
document.getElementById("c5").value='0';
document.getElementById("c6").value='0';
document.getElementById("tot1").readOnly=false;
}
else
{
document.getElementById("c1").disabled=false;
document.getElementById("c2").disabled=false;
document.getElementById("c3").disabled=false;
document.getElementById("c4").disabled=false;
document.getElementById("c5").disabled=false;
document.getElementById("c6").disabled=false;
document.getElementById("tot1").readOnly=true;
}
}
function Sum()
{
var int1=document.getElementById("c1").value;
var int2=document.getElementById("c2").value;
var int3=document.getElementById("c3").value;
var int4=document.getElementById("c4").value;
var int5=document.getElementById("c5").value;
var int6=document.getElementById("c6").value;
document.getElementById("tot1").value=parseInt(int1)+parseInt(int2)+parseInt(int3)+parseInt(int4)+parseInt(int5)+parseInt(int6);
}
function clear(){
document.getElementById("c1").value='';
document.getElementById("c2").value='';
document.getElementById("c3").value='';
document.getElementById("c4").vaue='';
document.getElementById("c5").value='';
document.getElementById("c6").value='';
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="UpdateCounts_DB.jsp">
<input type="text" name="Comp_Text" id="Comp_Text" value="<%=(String)request.getParameter("tgt1")%>" size="100" style="border: 0"/>
<table width="420" cellspacing="3"> <tr><td width="37">Types</td>
<td width="127">
<select name="abcd" id="abcd" onchange="Enable();clear()" >
<!--<optgroup label="a">-->
<option value="">Select the Type</option>
<option value="Updates">Updates</option>
<option value="Multibases">Multibases</option>
<option value="DAIS">DAIS</option>
<option value="Acds">Admin Codes</option>
<option value="Legis">Legis</option>
<option value="LegAll">Legis-All</option>
<option value="Ins">Ins And Reg</option><!--</optgroup>--></select></td>
<td width="236"> <font size="-1" color="#0033CC"> Select your Update Type From the Drop Down</font>
</td> </tr></table>
<p>
<label for="DB Count">DB Count</label>
<input type="text" name="DB_Count" id="DB_Count" style="width:30px" value="<%String abc=(String)request.getAttribute("abc");%>"/>
</p>
<font size="5" color="#0033CC">Fill all the below fields, enter Zero if there are no changes in a section</font>
<table width="312" border="0">
<tr>
<td width="156"><label>
Summary</label></td>
<td><label for="c1"></label>
<input type="text" name="c1" id="c1" style="width:30%" onchange="Sum();"/></td>
</tr>
<tr>
<td><label>
Contents</label></td>
<td><input type="text" name="c2" id="c2" style="width:30%" onchange="Sum()"/></td>
</tr>
<tr>
<td><label>
Citation Formats</label></td>
<td><input type="text" name="c3" id="c3" style="width:30%" onchange="Sum()"/></td>
</tr>
<tr>
<td><label>
Searching and Fields</label></td>
<td><input type="text" name="c4" id="c4" style="width:30%" onchange="Sum()" /></td>
</tr>
<tr>
<td><label>
Related Research</label></td>
<td><input type="text" name="c5" id="c5" style="width:30%" onchange="Sum()"/></td>
</tr>
<tr>
<td><label>
Legal Notices</label></td>
<td><input type="text" name="c6" id="c6" style="width:30%" onchange="Sum()"/></td>
</tr>
<tr><td>Update Count</td><td>
<input type="text" name="tot1" id="tot1" style="width:30%" readonly="readonly"/></td></tr>
</table>
<p>
<input type="submit" name="Enter" id="Enter" value="Submit" />
</p>
</form>
</body>
</html>
谢谢