<dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
     <groupId>org.springframework.security</groupId>
     <artifactId>spring-security-test</artifactId>
     <scope>test</scope>
</dependency>

@RestController
public class HelloController {
    @GetMapping("Hello")
    public String Hello(){
        return "Hello SpringSecurity";
    }
}

spring:
  security:
    user:
      name: alphaMilk
      password: 123456

// 使用@Configuration標(biāo)記此類(lèi)為Spring的配置類(lèi)
@Configuration
// 啟用WebSecurity的自動(dòng)配置，以便Spring Security可以管理Web安全
@EnableWebSecurity
public class SecurityConfiguration {

    // 定義一個(gè)名為securityFilterChain的bean，該bean將負(fù)責(zé)構(gòu)建和應(yīng)用安全過(guò)濾器鏈
    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        // 配置HttpSecurity對(duì)象，定義安全規(guī)則
        http
                // 授權(quán)HTTP請(qǐng)求，定義哪些URL需要什么類(lèi)型的訪(fǎng)問(wèn)控制
                .authorizeHttpRequests((authz) -> authz
                        // 允許"/user/login" URL匿名訪(fǎng)問(wèn)
                        .requestMatchers("/user/login").anonymous()
                        
                        // 所有其他請(qǐng)求都需要認(rèn)證才能訪(fǎng)問(wèn)
                        .anyRequest().authenticated())
                
                // 啟用HTTP Basic認(rèn)證，默認(rèn)情況下提供簡(jiǎn)單的用戶(hù)名/密碼認(rèn)證
                .httpBasic(Customizer.withDefaults());

        // 構(gòu)建并返回SecurityFilterChain
        return http.build();
    }
}

@RestController
@RequestMapping("user")
public class LoginController {
    
    @GetMapping("/login")
    public String Login(){
        return "這是登陸資源頁(yè)面";
    }
}

-- 創(chuàng)建一個(gè)包含用戶(hù)信息和角色的簡(jiǎn)化表
CREATE TABLE IF NOT EXISTS `users` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,          -- 用戶(hù)ID，自增主鍵
    `username` VARCHAR(255) NOT NULL UNIQUE,      -- 用戶(hù)名，唯一且不能為空
    `password` VARCHAR(255) NOT NULL,             -- 密碼，存儲(chǔ)加密后的密碼
    `role` ENUM('ROLE_USER', 'ROLE_ADMIN') NOT NULL, -- 角色，預(yù)定義為'ROLE_USER'或'ROLE_ADMIN'
    `enabled` TINYINT(1) NOT NULL DEFAULT 1       -- 用戶(hù)狀態(tài)，1表示啟用，0表示禁用
);

-- 插入示例用戶(hù)數(shù)據(jù)
INSERT INTO `users` (`username`, `password`, `role`, `enabled`)
VALUES
    ('user1', '123456', 'ROLE_USER', 1),
    ('admin1', '123456', 'ROLE_ADMIN', 1),
    ('disabledUser', '123456', 'ROLE_USER', 0);

<!--        數(shù)據(jù)庫(kù)依賴(lài)-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.5</version>
            <exclusions>
                <exclusion>
                    <groupId>org.mybatis</groupId>
                    <artifactId>mybatis-spring</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>3.0.3</version>
        </dependency>
        
        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <scope>runtime</scope>
        </dependency>

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/ap_security?characterEncoding=utf-8&serverTimezone=UTC
    username: root
    password: root
    driver-class-name: com.mysql.cj.jdbc.Driver

@TableName(value ="users")
@Data
public class Users implements Serializable {
    /**
     * 
     */
    @TableId(type = IdType.AUTO)
    private Integer id;

    /**
     * 
     */
    private String username;

    /**
     * 
     */
    private String password;

    /**
     * 
     */
    private Object role;

    /**
     * 
     */
    private Integer enabled;

    @TableField(exist = false)
    private static final long serialVersionUID = 1L;

    @Override
    public boolean equals(Object that) {
        if (this == that) {
            return true;
        }
        if (that == null) {
            return false;
        }
        if (getClass() != that.getClass()) {
            return false;
        }
        Users other = (Users) that;
        return (this.getId() == null ? other.getId() == null : this.getId().equals(other.getId()))
            && (this.getUsername() == null ? other.getUsername() == null : this.getUsername().equals(other.getUsername()))
            && (this.getPassword() == null ? other.getPassword() == null : this.getPassword().equals(other.getPassword()))
            && (this.getRole() == null ? other.getRole() == null : this.getRole().equals(other.getRole()))
            && (this.getEnabled() == null ? other.getEnabled() == null : this.getEnabled().equals(other.getEnabled()));
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((getId() == null) ? 0 : getId().hashCode());
        result = prime * result + ((getUsername() == null) ? 0 : getUsername().hashCode());
        result = prime * result + ((getPassword() == null) ? 0 : getPassword().hashCode());
        result = prime * result + ((getRole() == null) ? 0 : getRole().hashCode());
        result = prime * result + ((getEnabled() == null) ? 0 : getEnabled().hashCode());
        return result;
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(getClass().getSimpleName());
        sb.append(" [");
        sb.append("Hash = ").append(hashCode());
        sb.append(", id=").append(id);
        sb.append(", username=").append(username);
        sb.append(", password=").append(password);
        sb.append(", role=").append(role);
        sb.append(", enabled=").append(enabled);
        sb.append(", serialVersionUID=").append(serialVersionUID);
        sb.append("]");
        return sb.toString();
    }
}

public interface UsersMapper extends BaseMapper<Users> {

}

@SpringBootApplication
@MapperScan("com.example.mysecurity.mapper")
public class MySecurityApplication {

    public static void main(String[] args) {
        SpringApplication.run(MySecurityApplication.class, args);
    }

}

@SpringBootTest
class MySecurityApplicationTests {

    @Autowired
    private UsersMapper usersMapper;

    @Test
    void contextLoads() {
        List<Users> users = usersMapper.selectList(null);
        System.out.println(users);
    }

}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class LoginUser implements UserDetails {

    private Users user;


    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        return null;
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUsername();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}

@Service
public class UserDetailsServiceImpl implements UserDetailsService {

    @Autowired
    private UsersMapper userMapper;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //根據(jù)用戶(hù)名查詢(xún)用戶(hù)信息
        LambdaQueryWrapper<Users> wrapper = new LambdaQueryWrapper<>();

        wrapper.eq(Users::getUsername,username);
        Users user = userMapper.selectOne(wrapper);

        //如果查詢(xún)不到數(shù)據(jù)就通過(guò)拋出異常來(lái)給出提示
        if(Objects.isNull(user)){
            throw new RuntimeException("用戶(hù)名或密碼錯(cuò)誤");
        }


        Collection<? extends GrantedAuthority> authorities = Collections.singletonList(new SimpleGrantedAuthority(user.getRole()));

        //封裝成UserDetails對(duì)象返回 
        return new LoginUser(user,authorities);
    }
}

@Configuration
// 啟用WebSecurity的自動(dòng)配置，以便Spring Security可以管理Web安全
@EnableWebSecurity
public class SecurityConfiguration {

//    設(shè)置密碼加密為明文加密
    @Bean
    public org.springframework.security.crypto.password.PasswordEncoder passwordEncoder() {
        return NoOpPasswordEncoder.getInstance();
    }
    
    // 定義一個(gè)名為securityFilterChain的bean，該bean將負(fù)責(zé)構(gòu)建和應(yīng)用安全過(guò)濾器鏈
    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        // 配置HttpSecurity對(duì)象，定義安全規(guī)則
        http
                // 授權(quán)HTTP請(qǐng)求，定義哪些URL需要什么類(lèi)型的訪(fǎng)問(wèn)控制
                .authorizeHttpRequests((authz) -> authz
                        // 允許"/user/login" URL匿名訪(fǎng)問(wèn)
                        .requestMatchers("/user/login").anonymous()
                        
                        // 所有其他請(qǐng)求都需要認(rèn)證才能訪(fǎng)問(wèn)
                        .anyRequest().authenticated())
                
                // 啟用HTTP Basic認(rèn)證，默認(rèn)情況下提供簡(jiǎn)單的用戶(hù)名/密碼認(rèn)證
                .httpBasic(Customizer.withDefaults());

        // 構(gòu)建并返回SecurityFilterChain
        return http.build();
    }
}

@RequestMapping("admin")
@RestController
@Slf4j
public class AdminController {

    @GetMapping("resourse")
    public String AdminRole(){
        return "這是只有管理員用戶(hù)才能訪(fǎng)問(wèn)的資源";
    }

}

@Configuration
// 啟用WebSecurity的自動(dòng)配置，以便Spring Security可以管理Web安全
@EnableWebSecurity
public class SecurityConfiguration {

//    設(shè)置密碼加密為明文加密
    @Bean
    public org.springframework.security.crypto.password.PasswordEncoder passwordEncoder() {
        return NoOpPasswordEncoder.getInstance();
    }

    // 定義一個(gè)名為securityFilterChain的bean，該bean將負(fù)責(zé)構(gòu)建和應(yīng)用安全過(guò)濾器鏈
    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        // 配置HttpSecurity對(duì)象，定義安全規(guī)則
        http
                // 授權(quán)HTTP請(qǐng)求，定義哪些URL需要什么類(lèi)型的訪(fǎng)問(wèn)控制
                .authorizeHttpRequests((authz) -> authz
                        .requestMatchers("/user/login").anonymous()
//                        需要有Admin身份的用戶(hù)才能進(jìn)行訪(fǎng)問(wèn)
                        .requestMatchers("/admin/**").hasRole("ADMIN")
                        // 所有其他請(qǐng)求都需要認(rèn)證才能訪(fǎng)問(wèn)
                        .anyRequest().authenticated())
                
                // 啟用HTTP Basic認(rèn)證，默認(rèn)情況下提供簡(jiǎn)單的用戶(hù)名/密碼認(rèn)證
                .httpBasic(Customizer.withDefaults());

        // 構(gòu)建并返回SecurityFilterChain
        return http.build();
    }
}

@Configuration
// 啟用WebSecurity的自動(dòng)配置，以便Spring Security可以管理Web安全
@EnableWebSecurity
public class SecurityConfiguration {

    @Autowired
    private UserDetailsServiceImpl userDetailsService;


//    設(shè)置密碼加密為B加密
    @Bean
    public PasswordEncoder passwordEncoder() {
     return new BCryptPasswordEncoder();
    }


    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService);
    }



    // 定義一個(gè)名為securityFilterChain的bean，該bean將負(fù)責(zé)構(gòu)建和應(yīng)用安全過(guò)濾器鏈
    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        // 配置HttpSecurity對(duì)象，定義安全規(guī)則
        http
                // 授權(quán)HTTP請(qǐng)求，定義哪些URL需要什么類(lèi)型的訪(fǎng)問(wèn)控制
                .authorizeHttpRequests((authz) -> authz
                        .requestMatchers("/user/login").anonymous()
//                        需要有Admin身份的用戶(hù)才能進(jìn)行訪(fǎng)問(wèn)
                        .requestMatchers("/admin/**").hasRole("ADMIN")
                        // 所有其他請(qǐng)求都需要認(rèn)證才能訪(fǎng)問(wèn)
                        .anyRequest().authenticated())
                
                // 啟用HTTP Basic認(rèn)證，默認(rèn)情況下提供簡(jiǎn)單的用戶(hù)名/密碼認(rèn)證
                .httpBasic(Customizer.withDefaults());

        // 構(gòu)建并返回SecurityFilterChain
        return http.build();
    }
}

    @Test
    public void testUpdateAllPasswords() {
        // 創(chuàng)建一個(gè)BCryptPasswordEncoder實(shí)例
        BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();

        // 更新所有用戶(hù)的密碼為加密后的"123456"
        String encodedPassword = encoder.encode("123456");

        // 構(gòu)造更新條件
        LambdaUpdateWrapper<Users> updateWrapper = new LambdaUpdateWrapper<>();
        updateWrapper.set(Users::getPassword, encodedPassword);

        // 執(zhí)行更新操作
        boolean result = usersMapper.update(null, updateWrapper) > 0;

        if (result) {
            System.out.println("所有用戶(hù)的密碼更新成功！");
        } else {
            System.out.println("密碼更新失??！");
        }
        
    }

<!--        JWT依賴(lài)-->
        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt</artifactId>
            <version>0.9.1</version>
        </dependency>

@Component
@ConfigurationProperties(prefix = "jwt")
@Data
public class JwtProperties {

    private String SecretKey;
    private long Ttl;
    private String TokenName;


}

jwt:
  secret-key: Alphamilk
  token-name: Authorization
  ttl: 10800000

@Component
public class JwtUtil {

    @Autowired
    private JwtProperties jwtProperties;

    public String createJWT(Map<String, Object> claims, long ttlMillis) {
        SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
        long expMillis = System.currentTimeMillis() + ttlMillis;
        Date exp = new Date(expMillis);

        return Jwts.builder()
                .setClaims(claims)
                .signWith(signatureAlgorithm, jwtProperties.getSecretKey().getBytes(StandardCharsets.UTF_8))
                .setExpiration(exp)
                .compact();
    }

    public Claims parseJWT(String token) {
        return Jwts.parser()
                .setSigningKey(jwtProperties.getSecretKey().getBytes(StandardCharsets.UTF_8))
                .parseClaimsJws(token)
                .getBody();
    }

    public boolean isTokenValid(String token, UserDetails userDetails) {
        final String username = getUsernameFromToken(token);
        return (username.equals(userDetails.getUsername()) && !isTokenExpired(token));
    }

    private String getUsernameFromToken(String token) {
        Claims claims = parseJWT(token);
        return (String) claims.getSubject();
    }

    private boolean isTokenExpired(String token) {
        try {
            final Date expiration = parseJWT(token).getExpiration();
            return expiration.before(new Date());
        } catch (ExpiredJwtException e) {
            return true;
        }
    }
}

@Component
public class JwtFilter extends OncePerRequestFilter {

    @Autowired
    private JwtProperties jwtProperties;

    @Autowired
    private UserDetailsService userDetailsService;

    @Autowired
    private JwtUtil jwtUtil;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
        String token = request.getHeader(jwtProperties.getTokenName());

        if (token != null) {
            try {
                Claims claims = jwtUtil.parseJWT(token);
                String username = (String) claims.get("userName");

                if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {
                    UserDetails userDetails = this.userDetailsService.loadUserByUsername(username);
                    if (jwtUtil.isTokenValid(token, userDetails)) {
                        UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
                                userDetails, null, userDetails.getAuthorities());
                        SecurityContextHolder.getContext().setAuthentication(authentication);
                    }
                }
            } catch (ExpiredJwtException ex) {

                response.sendError(HttpServletResponse.SC_FORBIDDEN, "Token has expired.");
            } catch (JwtException ex) {

                response.sendError(HttpServletResponse.SC_FORBIDDEN, "Invalid token.");
            }
        }else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN, "No token provided.");
        }
        filterChain.doFilter(request, response);
    }
}

@Configuration
// 啟用WebSecurity的自動(dòng)配置，以便Spring Security可以管理Web安全
@EnableWebSecurity
public class SecurityConfiguration {

    @Autowired

    private JwtFilter jwtFilter;


    @Autowired
    private UserDetailsServiceImpl userDetailsService;


//    設(shè)置密碼加密為B加密
    @Bean
    public PasswordEncoder passwordEncoder() {
     return new BCryptPasswordEncoder();
    }


    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService);
    }



    // 定義一個(gè)名為securityFilterChain的bean，該bean將負(fù)責(zé)構(gòu)建和應(yīng)用安全過(guò)濾器鏈
    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        // 配置HttpSecurity對(duì)象，定義安全規(guī)則
        http
                // 授權(quán)HTTP請(qǐng)求，定義哪些URL需要什么類(lèi)型的訪(fǎng)問(wèn)控制
                .authorizeHttpRequests((authz) -> authz
                        .requestMatchers("/user/login").anonymous()
//                        需要有Admin身份的用戶(hù)才能進(jìn)行訪(fǎng)問(wèn)
                        .requestMatchers("/admin/**").hasRole("ADMIN")
                        // 所有其他請(qǐng)求都需要認(rèn)證才能訪(fǎng)問(wèn)
                        .anyRequest().authenticated())

                // 啟用HTTP Basic認(rèn)證，默認(rèn)情況下提供簡(jiǎn)單的用戶(hù)名/密碼認(rèn)證
                .httpBasic(Customizer.withDefaults());
//        加入jwtFIlter
        http.addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class);
        // 構(gòu)建并返回SecurityFilterChain
        return http.build();
    }
}