📄 top_index.jsp

📁 JSP+oracle开发实例精粹》随书光盘

💻 JSP

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<%@ page contentType="text/html; charset=gb2312" import="java.sql.*"%>
<jsp:useBean id="db" class="qyxx.connectDB" />
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<link href="css/style.css" rel="stylesheet" type="text/css">
<script language="javascript">
	function login(para)
	{
		if(para == 1)
		{
			if(add_form.user.value.length == 0 || add_form.psw.value.length == 0)
			{
				alert("不能为空");
			}
			else
			{
				add_form.submit();
			}
		}
		if(para == 2)
		{
			window.open("user_add.jsp","用户注册","width=400,height=300");
		}
		if(para == 3)
		{
			self.location.href="logout.jsp";
		}
	}
</script>
</head>
<body>
<%
	String username = (String)session.getAttribute("username");
	if(username == null || username.length() == 0)
	{
		%>
		<form name="add_form" action="user_deal.jsp?action=login" method="post">
		<table>
		<tr>
		<td>用户名：<input type=text name="user" class="inputlength120"></td>
		<td>密码：<input type="password" name="psw" class="inputlength120"></td>
		<td>&nbsp;</td>
		<td>&nbsp;</td>
		<td>&nbsp;</td>
		<td><input type="button" value="登陆" onclick="login(1)" class="logbutton">
		<input type="button" value="注册" onclick="login(2)" class="logbutton">
		<input type="button" value="注销" onclick="login(3)" class="logbutton"></td>
		</tr>
		</table>
		</form>
		<%
	}
	else
	{
		%>
		<table>
		<tr>
		<td colspan="2">欢迎<%=(String)session.getAttribute("department")%>的<%=(String)session.getAttribute("username")%></td>
		<td><input type="button" value="注销" onclick="login(3)" class="logbutton"></td>
		</tr>
		</table>
		<%
	}
%>
</body>
</html>

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