<%
request.setCharacterEncoding("gbk");//设置请求的编码格式
String num=request.getParameter("num");
List<Flight> list=new ArrayList<Flight>();
String content="没有找到该航班信息！";
if(num!=null){
list=new FlightDao().search(num);
if(list.size()!=0){
content=num+"次航班信息：";
}
else{
out.print("<script>document.getElementById('title').style.display='none'</script>");
}
}
%>
我这样写else里不能实现，，这样写不对吗，，alert都能输出呀，，疑惑～～
request.setCharacterEncoding("gbk");//设置请求的编码格式
String num=request.getParameter("num");
List<Flight> list=new ArrayList<Flight>();
String content="没有找到该航班信息！";
if(num!=null){
list=new FlightDao().search(num);
if(list.size()!=0){
content=num+"次航班信息：";
}
else{
out.print("<script>document.getElementById('title').style.display='none'</script>");
}
}
%>
我这样写else里不能实现，，这样写不对吗，，alert都能输出呀，，疑惑～～
document.getElementById('title').应该找不到。
关注
<%
request.setCharacterEncoding("gbk");//设置请求的编码格式
String num=request.getParameter("num");
List<Flight> list=new ArrayList<Flight>();
String content="没有找到该航班信息！";
if(num!=null){
list=new FlightDao().search(num);
if(list.size()!=0){
content=num+"次航班信息：";
}
else{
out.print("<script>document.getElementById('title').style.display='none'</script>");
}
}
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'result.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<style type="text/css">
<!--
.STYLE1 {
font-size: 20px;
font-weight: bold;
}
-->
</style>
</head>
<body>
<table width="561" height="182" border="0">
<tr>
<td colspan="6"><span class="STYLE1">查询结果</span></td>
</tr>
<tr>
<td height="40" colspan="6"><%=content %></td>
</tr>
<tr id="title">
<td width="190">航空公司</td>
<td width="82">出发机场</td>
<td width="106">到达机场</td>
<td width="52">出发</td>
<td width="73">到达</td>
<td width="47">机型</td>
</tr>
<%
for(Flight flight:list){
%>
<tr >
<td height="28"><%=flight.getCompany() %></td>
<td height="28"><%=flight.getLeaveairport() %></td>
<td height="28"><%=flight.getArriveairport() %></td>
<td height="28"><%=flight.getLeavetime() %></td>
<td height="28"><%=flight.getArrivetime() %></td>
<td height="28"><%=flight.getAirplane() %></td>
</tr>
<%
}
%>
<tr>
<td colspan="6"><label>
<input type="button" name="Submit" value="返回" onclick="javascript:location.href='search.jsp'">
</label></td>
</tr>
</table>
</body>
</html>
这是完整的