📄 login.jsp
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<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="j0202_05_login.*" %>
<%!
public String codeString(String s)
{String str=s;
try{byte b[]=str.getBytes("ISO-8859-1");
str=new String (b);
return str;
}
catch(Exception e)
{return str;
}
}
%>
<HTML>
<HEAD>
<title>欢迎登陆</title>
</HEAD>
<BODY bgcolor=cyan><Font size=4>
<a href="<%=response.encodeURL("main.jsp") %>">首页(main)</a>
<a href="<%=response.encodeURL("registertj.jsp") %>">用户注册(register)</a>
<a href="<%=response.encodeURL("bookinftj.jsp") %>">录入图书(bookinf)</a>
<a href="<%=response.encodeURL("buybook.jsp") %>">查看订单(bookinf)</a>
<br>
<center>
<jsp:useBean id="login" class="j0202_05_login.Login" scope="session">
</jsp:useBean>
<%
String message="",
cus_name="",
cus_passw="";
if(!(session.isNew()))
{cus_name=request.getParameter("cus_name");
if(cus_name==null)
{cus_name="";
}
cus_name=codeString(cus_name);
cus_passw=request.getParameter("cus_passw");
if(cus_passw==null)
{cus_passw="abc";
}
cus_passw=codeString(cus_passw);
}
%>
<jsp:setProperty name="login" property="cus_name" value="<%=cus_name%>"/>
<jsp:setProperty name="login" property="cus_passw" value="<%=cus_passw%>"/>
<%
message=login.getMessage();
if(message==null)
{message="";
}
%>
<%if(!(session.isNew()))
{if(message.equals("ok"))
{String meb=response.encodeURL("buybook.jsp");
response.sendRedirect(meb);
}
else
{out.print(message);
}
}
%>
</center>
</Font>
</BODY>
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