下拉列表<Select>回调用Javascript代码
<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%>
<%session.setAttribute("temp","ddddd"); %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title>My JSP 'index.jsp' starting page</title>
<script type="text/javascript">
function chooseme(){
var obj;
//obj = document.getElementById("st").options[2].value;
obj = document.getElementById("st").options.length;
for(var i=0;i<obj;i++){
if(document.getElementById("st").options[i].value == "${sessionScope.temp}"){
document.getElementById("st").options[i].selected = true;
}
}
}
</script>
</head>
<body>
<form action="servlet/QueryServlet" method="post">
<select name="st" id="st">
<option value="aaaaa">AAA</option>
<option value="bbbbb">BBB</option>
<option value="ccccc">CCC</option>
<option value="ddddd">DDD</option>
<option value="eeeee">EEE</option>
<option value="fffff">FFF</option>
</select>
<input type="button" value="test" onclick="chooseme()">
</form>
</body>
</html>