Question

我正在尝试创建一个简单的注册和登录系统。当我尝试注册用户时，我会向输入内容提供所有信息，例如用户名，密码和Confirmpassword，但是当我按下“提交”按钮时，它会将我重定向到/ login，即使它应该重定向到/ welcome页面，如我在控制器。当我在控制器中的特定映射中添加一个简单的调试时，没有任何反应，我以为该方法甚至没有执行，有人可以看一下这段代码并告诉我这里出了什么问题吗？


@Controller
public class UserController {

    private UserService userService;
    private SecurityService securityService;

    @Autowired
    public UserController(UserService userService, SecurityService securityService) {
        this.userService = userService;
        this.securityService = securityService;
    }

    @RequestMapping(value = "/registration", method = RequestMethod.GET)
    public String registration(Model model) {
//        model.addAttribute("user", new User());
//
        return "registration";
    }

    @RequestMapping(value = "/registration", method = RequestMethod.POST)
    public String registration(@RequestParam("username") String username, @RequestParam("password")
                               String password, @RequestParam("confirmPassword") String confirmPassword,
                               Model model, HttpServletRequest request) {

        User foundUser = userService.findByUsername(username);
        if (foundUser != null) {
            model.addAttribute("msgError", "That user already exists");
            return "registration";
        }

        if (username.equals("") || username.length() < 2) {
            model.addAttribute("msgError", "Wrong username");
            return "registration";
        }

        if (!password.equals(confirmPassword)) {
            model.addAttribute("msgError", "Passwords can not be different");
            return "registration";
        }

        User user = new User(request.getParameter("username"), request.getParameter("password"), request.getParameter("confirmPassword"));

        securityService.autoLogin(username, password);

        userService.addUser(user);
        model.addAttribute("msgSuccess", "User registered successfully");
        return "redirect:/welcome";
    }

    @RequestMapping(value = "/login", method = RequestMethod.GET)
    public String login(Model model, String error, String logout) {
        if (error != null)
            model.addAttribute("msgError", "Your username and password is invalid");
        if (logout != null)
            model.addAttribute("msgError", "You have been logged out successfully");

        return "login";
    }
}

注册的JSP如下

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Watchers - Registration</title>
</head>
<body>
    <div class="container">
        <form method="POST" action="registration" class="sign-form">
            <h2 class="sign-form-heading">Create an new account</h2>
            <p><input type="text" name="username" /></p>
            <p><input type="text" name="password" /></p>
            <p><input type="text" name="confirmPassword" /></p>
            <input type="submit" value="Submit" />
        </form>
    </div>
</body>
</html>

Answer 1

我认为这是因为您的表单$ rails db:seed值。

尝试使用spring的taglib准备动作值在此示例中，其前缀为action

spring

编辑：

参考您的评论，我要问几个问题：

如何通过web.xml中的spring-security或security-constraints保护/保护Web应用程序？

<spring:url value="/registration" var="url"/> <form method="POST" action="${url}" class="sign-form">路径是否也受到保护/保护？如果是，并且您的登录配置引用了/registration，您将被重定向到/login

单击提交按钮时不执行任何操作，但应注册一个用户

1 个答案: