为什么看不懂?那我再详细一点:下面是我的serverlet中的一部分
将数据保存到javabean(sys_inf)中
//得到参数
    String uid   = request.getParameter("uid").trim();
    String upass = request.getParameter("upass").trim();
    String level = new String();
    sql = "select * from seaskyuser where userid = "+"'"+uid+"'"+" and password = "+"'"+upass+"'";
    try{
    con = connect.getConnection();
    stm = con.createStatement();
    rs = stm.executeQuery(sql);
    rs.next();
    if(rs.getRow() ==0)
    {out.println("您不是合法用户");
     //response.sendRedirect("");
    }
    else
    { SysBean sys_inf = new SysBean();
      sys_inf.setUserId(rs.getString("userid"));
      sys_inf.setUserName(rs.getString("username"));
      sys_inf.setLevel(rs.getString("level"));
      sys_inf.setDept(rs.getString("c_dept_id"));
      InetAddress ia = InetAddress.getLocalHost();
      sys_inf.setIP(ia.getAddress().toString());
      sys_inf.setEmail(rs.getString("email"));
      response.sendRedirect("http://localhost:8080/test.jsp");
然后,刷新test.jsp显示javabean中的数据。以下是test.jsp中的代码
<title>
test
</title>
</head>
<body>
<jsp:useBean id="sys_inf" scope="session" class="com.manager.SysBean"/>
<% String id = sys_inf.getUserId();
   String name = sys_inf.getUserName();
%>
<font color=\"green\">
<%=id%>
<%=name%>
</font>
</body>
</html>