?? myhttpservlet.java
字號:
package hbu.david.cmc.http;
/**
* 公共權(quán)限驗(yàn)證
*/
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class MyHttpServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 4056100287609909072L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
//改變編碼
ServletEncoding.setEncoding(req, resp);
HttpSession session=req.getSession();
PrintWriter out=resp.getWriter();
if(session.getAttribute("userInfo")==null){
//session中沒有保存用戶信息
RequestDispatcher requestDispatcher=req.getRequestDispatcher("login.jsp");
requestDispatcher.forward(req, resp);
}else{
doExecute(req,resp);
}
}
@Override
public void destroy() {
// TODO Auto-generated method stub
super.destroy();
}
@Override
public void init() throws ServletException {
// TODO Auto-generated method stub
super.init();
}
/**
* 實(shí)際執(zhí)行方法
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
public void doExecute(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
}
}
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