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📄 index.jsp

📁 介绍一个聊天室的编程方法,展示了一个网络程序的基本结构
💻 JSP
字号:
<%@ page contentType="text/html; charset=GB2312"
	 import="java.util.Date"%>
<html>
<head>
	<title>登录</title>
<%
	String gestnam = request.getParameter("txtnam");
	if(gestnam == null)
	{
%>
		<Script Language = javascript>
<!--
		function fnc1()
		{
			if(frmind.txtnam.value == "")
			{
				window.alert("请输入姓名或别名!");
				document.frmind.elements(0).focus();
				return ;
			}
			frmind.submit(); 		
		}
-->
		</Script>
</head>
<body>
		<b><center><font size=4 color = red>请登录</font>
		</b></center><hr>
		<form name = frmind method=post action=index.jsp>
		<font color=darkgreen size=4><b>姓名:
		<input type= "text" name= "txtnam" size=25>
		<input value = "先生" name = "txtsex" type="radio" checked>先生
		<input value = "女士" name = "txtsex" type="radio" >女士<br><br>
		<input type=button value= '登录' onclick = "fnc1()">
		</form>
		</b></font>
<%
	}
	else{ 	
		session.setAttribute("sentence0", "15"); 
		String gestsex = request.getParameter("txtsex");
		String opwin="login.jsp?txtnam="+gestnam+"&txtsex="+gestsex;
%>
		<script Language = javascript>
<!--
		function fnc2()
		{
			window.open( "<%= opwin%>", "<%= gestnam %>", 
			    "toolbar=no,menubar=no,width=640, height=460");
			self.close();		
		}
-->
		</script>
</head>
<body onload="fnc2()">
<%
	}
%>
</body>
</html>

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