第十一周--邮件系统补充一个注册一个登陆验证码

  
         

                账号: 
 

                密码:     
  

            
            
              已有账号，直接登录
            

  

          <%
          request.setCharacterEncoding("utf-8");
             String uuu=request.getParameter("uuu");
             String ppp=request.getParameter("ppp");
             
             Us u=new Us();
             u.setZzhh(uuu);
             u.setMima(ppp);
             UsDao d=new UsDao();
             d.insert(u);
             
             
             request.getRequestDispatcher("login.jsp").forward(request, response);
             
             
          
          
           %>
     
    
  

   

            账号: 
 

            密码:     
  

          验证码: 
  

            
            <%
               int yzm1=(int)(   ((Math.random())*11)  -1  );
               int yzm2=(int)(   ((Math.random())*11)  -1  );
               int yzm3=(int)(   ((Math.random())*11)  -1  );
               int yzm4=(int)(   ((Math.random())*11)  -1  );
               String yzmsum=yzm1+""+yzm2+yzm3+yzm4;
             %>
               
           
           
           
           
             
  

            
            
    
  

           <%
             String yzm=request.getParameter("yzm");
             String yzm1=request.getParameter("mj");
             String username=request.getParameter("username");
              session.setAttribute("username", username);
              String password=request.getParameter("password");
              UsDao d=new UsDao();
              
             if( d.getLogin(username, password)&&yzm.equals(yzm1) ){
                request.getRequestDispatcher("main.jsp").forward(request, response);
              }else{
              response.sendRedirect("login.jsp");
              }
            %>