第四天

第四天
package com.lzw;
import javax.servlet.http.HttpServletRequest;
import javax..servlet.http.HttpServletResponse;
import org.springframework.vlidation. BindExcpion;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc .SimpleFormController;
public class LoginController extends SimpleFormController {
      protected ModelAndView onSubmit(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2,BindException arg3) throws Exception{
      //TODO自动生成方法存根
      return super.onSubmit(arg0, arg1, arg2, arg3);
}
     protected ModelAndView showForm(HttpServletRequest arg0, HttpServletResponse arg1,BindException arg2) throws Exception{
// TODO自动生成方法存根
      return super. showForm(arg0, arg1,arg2);
} 
}
public LoginController(){
setCommandClass(UserLoginForm.class);
}
protected ModelAndView onSubmit(HttpServletRequest request,
 HttpServletResponse response,Object command,BindException errors)
throws Exception{
HttpSession session= request.getSession();
UserLoginForm form= (UserLoginForm) command;
if(dao.getUser(form.getUsername(), form.getPassword())!=null){
      session.removeAttribute( "manager");
      session.setAttribute("username", form.getUsername());
}
return new ModelAndView(new RedirectView("index.lzw"));
}
Potcted ModelAndView showForm(HttpServletRequest request,HttpServletResponse response, BindExeption errors) throws Exception{
      HttpSession session-request.getSession();
      String loginOut=request.getParameter(“LoginOut”);
      if(loginOut!=null&&loginOut.equalsIgnoreCase(“ture”)){
       session.invalidate();
}
     return new ModelAndView(new RedirectView("index.lzw"));
}
昨天：1.增加窗口的边框，颜色或者条纹；
      2.可以调整背景色彩图片；
      3.复习窗口装饰相关的Java语言编程；

今天：1.编写相关代码；

明天：1.编写相关代码；