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Çë½Ì¸ßÊÖSTRUTS¸úJSPµÄÎÊÌâ - Java / Java EE

Action ÀïÃæµÄ
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)throws Exception {
// TODO Auto-generated method stub
String username=request.getParameter("username");
String pass=request.getParameter("pass");
String errmsg ="";
if(username==null ||username.equals(""))
{
errmsg +="ÄúµÄÓû§Ãû¶ªÊ§»òÕßûÓÐÊäÈ룬ÇëÖØÐÂÊäÈë";
}
else if(pass==null ||pass.equals(""))
{
errmsg +="ÄúµÄÃÜÂ붪ʧ»òÕßûÓÐÊäÈ룬ÇëÖØÐÂÊäÈë";
}
else
{
try
{
DbDao dd=DbDao.instance("com.mysql.jdbc.Driver","jdbc:mysql://localhost:3306/xtq","root","32147");
ResultSet rs=(ResultSet) dd.query("select password from user_table where username='" + username + "'");
if(rs.next())
{
if(rs.getString("password").equals(pass))
{
HttpSession session=request.getSession(true);//н¨Ò»¸öHttpSession SessionÊÇÒ»¸ö×÷ÓÃÓòÏ൱ÓÚÒ»¸öÈÝÆ÷ http://topic.csdn.net/t/20051126/23/4420622.html SessionÊÇWEBÓ¦ÓóÌÐòµÄ×÷ÓÃÓò£¬Ò»°ãÀ´Ëµ¿ÉÒÔ¿´×÷Ò»¸öä¯ÀÀÆ÷¾ÍÊÇÒ»¸öSession¡£SessionÊÇÒ»¸öÈÝÆ÷£¬ÓÃÓÚ±£´æÒ»Ð©±äÁ¿ÒÔ¼°¶ÔÏó£¬Ê¹ÕâЩ±äÁ¿ÒÔ¼°¶ÔÏóÔÚSessionÓòÖд«Êä¡£
session.setAttribute("name", username);//±£´æusername±ÈÈçÄãÔÚaa.jspÖÐ


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