当组合框的选择发生变化时,我希望将特定的数组项设置为输入标记的值。
<%@ page language="java" import="java.util.*;" pageEncoding="ISO-8859-1"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<script language="javascript">
function check()
{
if(!validate())
return false;
}
function validate()
{
if (document.form.amount.value <=0)
{
alert ("Please enter valid loan amount.");
return false;
}
else
return true;
}
var arr = new Array();
arr[0] = new Array("-select-", "10.0","10.5", "12.0");
function change(combo1) {
document.getElementById("rate").style.visibility = "visible";
var sel = document.getElementById("combo1");
var val = document.getElementById("rate").value;
for(var i = 0, j = sel.options.length; i < j; ++i) {
if(sel.options[i].innerHTML == val) {
sel.selectedIndex = i;
break;
}
}
}
}
</script>
<jsp:include page="include.jsp"></jsp:include>
<body>
<br>
<form action="PaymentServlet.do" name="form" method="post"
ONSUBMIT="return check()">
<fieldset>
<legend>
<font style="font-family: sans-serif" size="4px" color="Megenta">Online Loan
Application Page</font>
</legend>
<br />
Loan Type
<select name="combo1" onchange="change(this);">
<option value="0">
-Select-
</option>
<option value="1">
Home Loan
</option>
<option value="2">
Education Loan
</option>
<option value="3">
Car Loan
</option>
</select>
<br />
Interest Rate(%)<input type="text" name="rate" style="visibility: hidden;">
<br />
Loan Amount
<input type="text" name="loanamount" />
<br />
<input type="submit" name="go" value="o Go o" />
</fieldset>
</form>
</body>
</html>
根据贷款类型,我想从数组中选择相应的利率,并希望将此数组项用作 name="rate" 的输入标签的值。