请大神帮忙编写代码 跪谢
@Controller
@RequestMapping("/*")
public class UserAction {

@RequestMapping("login.action")
    public String login(HttpSession session,String username,String password,RedirectAttributes ra,String yzm){
        Map parmas=new HashMap();
        String sessionYzm=(String) session.getAttribute("verCode");
        if(yzm.toLowerCase().equals(sessionYzm)){
        }else{
            return "redirect:/jsp/login.jsp";
        }
        parmas.put("logname", username);
        parmas.put("logpwd", password);
        User user=userService.slectUserByLognameAndLogpwd(parmas);
        if(user==null){
            return "redirect:/jsp/login.jsp";
        }
        String name=user.getLogname();
        String pass=user.getLogpwd();
        if(username.equals(name)&& password.equals(pass)){
            return "main";
            
        }else{
            return "redirect:/jsp/login.jsp";
        }
    }

}

jsp页面：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

    
    


        
        
    
    
    

        

            
            
        
        
用户登录
        

            

                用户名：  
            
            

                密   码：  
                忘记密码
            
            
  
                验证码：