SpringBoot整合Sa-Token实现登录认证的示例代码

目录

• 依赖
• 登录
• 退出登录
• 前后端分离

今天分享的是 Spring Boot 整合 Sa-Token 实现登录认证。

依赖

首先，我们需要添加依赖：

• 关键依赖：

    cn.dev33
    sa-token-spring-boot-starter
    1.28.0

• 其他依赖：

    
        org.springframework.boot
        spring-boot-starter-web
    
    
    
        com.fengwenyi
        JavaLib
        2.1.5
    

    
        com.fengwenyi
        api-result
        2.5.1
    

    
        org.projectlombok
        lombok
    

    
        org.springframework.boot
        spring-boot-starter-validation
    

登录

• 构造用户数据

public class UserData {

    private static final Map users = Map.of(
            "u1", new User("01", "u1", "123456", List.of("ROLE_USER")),
            "a2", new User("02", "a2", "123456", List.of("ROLE_ADMIN", "ROLE_USER"))
    );


    public static class User {
        public String uid;
        public String username;
        public String password;
        public List roles;

        public User(String uid, String username, String password, List roles) {
            this.uid = uid;
            this.username = username;
            this.password = password;
            this.roles = roles;
        }
    }

    public static User queryByUsername(String username) {
        return users.get(username);
    }

    public static List queryRolesByUid(String uid) {
        for (Map.Entry entry : users.entrySet()) {
            if (uid.equals(entry.getValue().uid)) {
                return entry.getValue().roles;
            }
        }
        return null;
    }

}

• 登录认证

@RestController
@RequestMapping("/auth")
public class AuthController {

    @PostMapping("/login")
    public ResponseTemplate login(@RequestBody @Validated LoginRequestVo requestVo) {
        String username = requestVo.getUsername();
        String password = requestVo.getPassword();

        UserData.User user = UserData.queryByUsername(username);

        if (Objects.isNull(user)) {
            return ResponseTemplate.fail("用户名不正确");
        }

        if (!user.password.equals(password)) {
            return ResponseTemplate.fail("密码不正确");
        }

        StpUtil.login(user.uid);
        LoginResponseVo responseVo = new LoginResponseVo()
                .setToken(StpUtil.getTokenValue())
                ;
        return ResponseTemplate.success(responseVo);
    }

}

关键代码

StpUtil.login(user.uid);
LoginResponseVo responseVo = new LoginResponseVo()
        .setToken(StpUtil.getTokenValue())
        ;

• 测试

请求：

POST localhost:8080/auth/login

{
    "username": "u1",
    "password": "123456"
}

响应：

{
  "code": 0,
  "message": "Success",
  "success": true,
  "body": {
    "token": "f2f9a82f-bc6a-460a-877e-9d3e4c8867de"
  }
}

退出登录

@RestController
@RequestMapping("/auth")
public class AuthController {
    
    @PostMapping("/logout")
    public ResponseTemplate logout() {
        StpUtil.logout();
        return ResponseTemplate.success();
    }

}

前后端分离

header 添加

satoken = f2f9a82f-bc6a-460a-877e-9d3e4c8867de

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