@SpringBootApplication(exclude = {SecurityAutoConfiguration.class})

<!-- JWT -->
<dependency>
    <groupId>com.auth0</groupId>
    <artifactId>java-jwt</artifactId>
    <version>3.2.0</version>
</dependency>

/**
 * 簽發(fā)JWT
 *
 * @param id 用戶ID
 * @param subject   可以是JSON數(shù)據(jù) 盡可能少
 * @param ttlMillis 不知道
 * @return 結(jié)果
 */
public static String createJWT(String id, String subject, long ttlMillis) {
    SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
    // 獲取當(dāng)前時間毫秒
    long nowMillis = System.currentTimeMillis();
    // 獲取當(dāng)前時間日期類型
    Date now = new Date(nowMillis);
    // 生成一個加密的key
    SecretKey secretKey = generalKey();
    JwtBuilder builder = Jwts.builder()
            .setId(id)
            .setSubject(subject)   // 主題
            .setIssuer("ChiHaiKeJi2016")     // 簽發(fā)者
            .setIssuedAt(now)   // 簽發(fā)時間
            .signWith(signatureAlgorithm, secretKey); // 簽名算法以及密匙
    if (ttlMillis >= 0) {
        long expMillis = nowMillis + ttlMillis;
        Date expDate = new Date(expMillis);
        builder.setExpiration(expDate); // 過期時間
    }
    return builder.compact();
}
/**
 * 生成jwt token
 * @param username 用戶名
 */
public static String genJwtToken(String username) {
    return createJWT(username, username, 60 * 60 * 1000);
}
/**
 * 生成加密Key
 */
public static SecretKey generalKey() {
    // 目前只知道這個方法生成一個key，并用base64解碼
    byte[] encodedKey = Base64.decode(JwtConstant.JWT_SECERT);
    // 目前不知道啥意思
    return new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
}

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig {
    // 白名單
    private static final String[] URL_WHITE_LIST = {"/login"};
    @Resource
    private LoginHandler loginHandler;
    // 密碼加密方式
    @Bean
    protected PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
    @Bean
    protected SecurityFilterChain filterChain(HttpSecurity httpSecurity) throws Exception {
        // 開啟跨域 以及csrf攻擊關(guān)閉
        httpSecurity.cors().and().csrf().disable()
                // 登錄登出配置
                .formLogin()
                // 登錄成功接口
                .successHandler(loginHandler)
                // 登錄失敗的接口
                .failureHandler(loginHandler)
//                .and().logout().logoutSuccessHandler()
                // session禁用配置
                .and().sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS) // 無狀態(tài)，前后端分離
                // 攔截規(guī)則配置 // // 白名單內(nèi)容放行
                .and().authorizeRequests().antMatchers(URL_WHITE_LIST).permitAll()
                // 需要認(rèn)證
                .anyRequest().authenticated();
        return httpSecurity.build();
    }
}

/**
 * 登錄成功與失敗處理器
 */
@Component
public class LoginHandler implements AuthenticationSuccessHandler, AuthenticationFailureHandler {
    // 登錄成功的
    @Override
    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream stream = response.getOutputStream();
        // 獲取token
        String token = JwtUtils.genJwtToken("user");
        // 寫入數(shù)據(jù)
        stream.write(JSONUtil.toJsonStr(new Result("登錄成功", token)).getBytes());
        stream.flush();
        stream.close();
    }
    // 登錄失敗的
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream stream = response.getOutputStream();
        String message = exception.getMessage();
        if (exception instanceof BadCredentialsException) {
            message = "用戶名或者密碼錯誤！";
        }
        stream.write(JSONUtil.toJsonStr(new Result(message)).getBytes(StandardCharsets.UTF_8));
        stream.flush();
        stream.close();
    }
}

@Service
public class SysUserServiceImpl implements SysUserService, UserDetailsService {
    @Resource
    private SysUserMapper sysUserMapper;
    // 自定義查詢參數(shù)是用戶名
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        LambdaQueryWrapper<SysUser> sysUserLambdaQueryWrapper = new LambdaQueryWrapper<>();
        sysUserLambdaQueryWrapper.eq(SysUser::getUsername, username);
        SysUser user = sysUserMapper.selectOne(sysUserLambdaQueryWrapper);
        if (user == null) {
            throw new UsernameNotFoundException("用戶名或密碼錯誤！");
        } else if ("1".equals(user.getStatus())) {
            throw new UsernameNotFoundException("該用戶已被封禁！");
        }
        // 第三個是擁有權(quán)限
        return new User(user.getUsername(), user.getPassword(), getUserAuthority());
    }
    // 權(quán)限
    private List<GrantedAuthority> getUserAuthority() {
        return new ArrayList<>();
    }
}

module.exports = {
  devServer: {
    host: '0.0.0.0', // 可以忽略不寫
    port: 8080, // 它是用來修改你打開后的端口號的
    open: true, // 值為 true的話，項(xiàng)目啟動時自動打開到瀏覽器里邊， false不會打開
    proxy: {
      '/api': {
        target: 'http://localhost:82', // 跨域請求的公共地址
        ws: false, // 也可以忽略不寫，不寫不會影響跨域
        changeOrigin: true, // 是否開啟跨域，值為 true 就是開啟， false 不開啟
        pathRewrite: {
          '^/api': ''// 注冊全局路徑， 但是在你請求的時候前面需要加上 /api
        }
      }
    }
  }
}

import axios from 'axios'
const request = axios.create({
  baseURL: '/api' // 因?yàn)榕渲每缬蛄?
})
// 下面這是攔截器，攔截請求，自動加token令牌
request.interceptors.request.use(
  config => {
    config.headers.token = `${localStorage.getItem('token')}`
    return config
  }
)
export default request

export const Login = function (data) {
  return request({
    method: 'post',
    url: 'login',
    data: qs.stringify(data)
  })
}