JSP页面无法定义到Controller的.do

JSP上关于LOGIN我是这么写的
$.ajax({
type: "POST",
url: "<%=request.getContextPath() %>/login/login.do",
data: $("#loginForm").serialize(),
success: function(msg) {
if(msg == "invalidPassword") {
$("#login_yz").show();
$("#loginmsg").val("密码错误,请重新输入~");
} else if(msg == "invalidUsername") {
$("#login_yz").show();
$("#loginmsg").val("用户名不存在,请重新输入~");
} else if(msg == "invalid") {
$("#login_yz").show();
$("#loginmsg").val("登录操作有误,请重新输入~");
} else if(msg == "请求参数中含有非法字符!") {
$("#login_yz").show();
$("#loginmsg").val("请求参数中含有非法字符!");
} else if(msg == "success") {
location.href="<%=request.getContextPath() %>/goto/toFrame.do?frameName=main";
}
}
});

    然后在controller里面我是这么写的
    @Controller

@RequestMapping("/login")
public class LoginController {

private static Logger logger = Logger.getLogger(LoginController.class);

@Resource
private UserServiceImpl userService;// 服务类

@RequestMapping("/login.do")
public void login(HttpServletRequest request, HttpServletResponse response, 
        String user_name, String password) {
    try {
        User user = userService.findUserByName(user_name);
        if (user != null) {
            if (MD5.getMD5String(user.getPassword()).equalsIgnoreCase(password)) {
                HttpSession session = request.getSession();
                session.setAttribute("user", user);
                System.out.println("**********用户已被放入Session**********");
                ResponseUtils.renderText(response, "success");
            } else {
                ResponseUtils.renderText(response, "invalidPassword");
            }
        } else {
            ResponseUtils.renderText(response, "invalidUsername");
        }
    } catch (Exception e) {
        logger.debug("login:'" + user_name + "'登录操作错误!" + e.getMessage());
        ResponseUtils.renderText(response, "invalid");
    }
}

}

结果就是JSP页面点登陆，无法进入到login.do，求帮解决

你把 url: "<%=request.getContextPath() %>/login/login.do",中的<%=request.getContextPath() %> 换成你的项目名字试试

在@RequestMapping("/login.do")后面加
@RequestBody

在@RequestMapping("/login.do")后面加
@RequestBody

你 spring 扫描你的 对应的 controller 中了吗？ 开启扫描