JSP權限控制源碼
偶然翻到很多年前，剛學Java的時候學的一段代碼。或許，現在讓寫，還寫不出來了。技術如潮、不進則退。還是年輕好啊，思路清晰、精神充沛。
[java]
<%@ page contentType="text/html; charset=gb2312" %>
<%@ page import="qlsoft.PWebs.Business.PermitBean" %>
<jsp:useBean id="permitBean" scope="session" class="qlsoft.PWebs.Business.PermitBean" />
<%@ page import="qlsoft.PWebs.Business.MemberBean" %>
<jsp:useBean id="memberBean" scope="session" class="qlsoft.PWebs.Business.MemberBean" />
<%
String action= request.getParameter("action");
%>
<script language="javascript">
//alert("Permit request action:" + "<%=action%>");
</script>
<%
if("login".equalsIgnoreCase(action))
{//會員登錄:驗證用戶身份,並設置Session變量及已登錄標志
//獲取登錄參數
String userName= request.getParameter("username");
String userPwd= request.getParameter("password");
System.out.println("帳號:" + userName + "密碼:" + userPwd);
if(userName == null || userName == "" || userPwd == null || userPwd == "")
{//請求的參數無效
%>
<script language="javascript">
alert("沒有會員登錄必須的請求參數！");
window.history.go(-1);
</script>
<%
}
else
{//參數有效
if(permitBean.memberLogin(userName,userPwd))
{//登錄成功
//chengxiaoxu 2004-05-25 remark code in here to best
session.setAttribute("sessionPermit",permitBean);
PermitBean ssnPermit = (PermitBean)session.getAttribute("sessionPermit");
String strLogin = ssnPermit.getIsLogin() ? "登錄成功！" : "登錄失敗？？？";
String ackName = ssnPermit.getMgrAckName();
System.out.println("會員帳號:" + strLogin + "\n" + ackName);
if(memberBean.getBeanInfoByID(ssnPermit.getMemberID()))
{
System.out.println("提取會員信息成功！");
session.setAttribute("sessionMember",memberBean);
}
%>
<script language="javascript">
//alert("<%=strLogin %>");
//alert("<%=permitBean.getMsg() %>");
//window.target="_blank";
//此處完成後應該是會員管理中心主頁面
window.location="membermain.jsp";
</script>
<%
}
else
{//登錄失敗
%>
<script language="javascript">
alert("<%=permitBean.getMsg() %>");
window.history.go(-1);
</script>
<%
}//End of <登錄失敗>
}//End of <參數有效>
%>
<%
}//End of <會員登錄>
else if("update".equalsIgnoreCase(action))
{//修改會員密碼
//獲取修改參數
String oldPwd= request.getParameter("oldPassword");
String newPwd= request.getParameter("newPassword1");
if(oldPwd == null || oldPwd == "" || newPwd == null || newPwd == "")
{//請求的參數無效
%>
<script language="javascript">
alert("沒有資料修改必須的請求參數！");
window.history.go(-1);
</script>
<%
}//End of <請求的參數無效>
else
{//參數有效
%>
<%
boolean isOK = permitBean.changePassword((String)session.getAttribute("sessionUserAccount"),oldPwd,newPwd); www.2cto.com
%>
<script language="javascript">alert("<%=permitBean.getMsg() %>");</script>
<%
if(isOK)
{//修改成功
%>
<script language="javascript">window.location="membermain.jsp";</script>
<%
}
else{//修改失敗
%>
<script language="javascript">window.history.go(-1);</script>
<%
}
}//End of <參數有效>
%>
<%
}//End of <修改會員密碼>
else if("logout".equalsIgnoreCase(action))
{//會員注銷:清空Session變量及已登錄標志
//chengxiaoxu 2004-05-25 update code in here to best
if(permitBean != null)
permitBean.memberLogout();
session.setAttribute("sessionPermit",null);
session.setAttribute("sessionMember",null);
PermitBean ssnPermit = (PermitBean)session.getAttribute("sessionPermit");
String strLogin = ssnPermit==null ? "注銷成功！" : "注銷失敗？？？";
%>
<script language="javascript">
//alert("<%=strLogin %>");
window.location="main.jsp";
</script>
<%
}
else
{//錯誤的頁面請求
%>
<script language="javascript">
alert("無效的頁面請求");
window.history.go(-1);
</script>
<%
}//End of <錯誤的頁面請求>
%>
