本篇文章为你整理了SpringBoot集成JWT(极简版)(springboot集成jpa)的详细内容,包含有springboot集成jedis springboot集成jpa springboot集成jenkins springboot集成jdbctemplate SpringBoot集成JWT(极简版),希望能帮助你了解 SpringBoot集成JWT(极简版)。
在WebConfig配置类中设置接口统一前缀
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Override
public void configurePathMatch(PathMatchConfigurer configurer) {
// 指定controller统一的接口前缀
configurer.addPathPrefix("/api", clazz - clazz.isAnnotationPresent(RestController.class));
导入JWT依赖
dependency
groupId com.auth0 /groupId
artifactId java-jwt /artifactId
version 3.10.3 /version
/dependency
JWT工具类TokenUtils.java(生成token的工具类)
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.StrUtil;
import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
import com.bai.entity.Admin;
import com.bai.service.AdminService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.Date;
@Component
@Slf4j
public class TokenUtils {
private static AdminService staticAdminService;
@Resource
private AdminService adminService;
@PostConstruct
public void setUserService() {
staticAdminService = adminService;
* 生成token
* @return
public static String genToken(String adminId, String sign) {
return JWT.create().withAudience(adminId) // 将 user id 保存到 token 里面,作为载荷
.withExpiresAt(DateUtil.offsetHour(new Date(), 2)) // 2小时后token过期
.sign(Algorithm.HMAC256(sign)); // 以 password 作为 token 的密钥
* 获取当前登录的用户信息
* @return user对象
* /admin?token=xxxx
public static Admin getCurrentAdmin() {
String token = null;
try {
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
token = request.getHeader("token");
if (StrUtil.isNotBlank(token)) {
token = request.getParameter("token");
if (StrUtil.isBlank(token)) {
log.error("获取当前登录的token失败, token: {}", token);
return null;
String adminId = JWT.decode(token).getAudience().get(0);
return staticAdminService.getById(Integer.valueOf(adminId));
} catch (Exception e) {
log.error("获取当前登录的管理员信息失败, token={}", token, e);
return null;
拦截器JwtInterceptor.java
import cn.hutool.core.util.StrUtil;
import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTVerifier;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.exceptions.JWTVerificationException;
import com.bai.entity.Admin;
import com.bai.exception.ServiceException;
import com.bai.service.AdminService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@Component
@Slf4j
public class LoginJWTInterceptor implements HandlerInterceptor {
private static final String ERROR_CODE_401 = "401";
@Autowired
private AdminService adminService;
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
//这里是判断浏览器请求头里的token
String token = request.getHeader("token");
if (StrUtil.isBlank(token)) {
token = request.getParameter("token");
// 执行认证
if (StrUtil.isBlank(token)) {
throw new ServiceException(ERROR_CODE_401, "无token,请重新登录");
// 获取 token 中的adminId
String adminId;
Admin admin;
try {
adminId = JWT.decode(token).getAudience().get(0);
// 根据token中的userid查询数据库
admin = adminService.getById(Integer.parseInt(adminId));
} catch (Exception e) {
String errMsg = "token验证失败,请重新登录";
log.error(errMsg + ", token=" + token, e);
throw new ServiceException(ERROR_CODE_401, errMsg);
if (admin == null) {
throw new ServiceException(ERROR_CODE_401, "用户不存在,请重新登录");
try {
// 用户密码加签验证 token
JWTVerifier jwtVerifier = JWT.require(Algorithm.HMAC256(admin.getPassword())).build();
jwtVerifier.verify(token); // 验证token
} catch (JWTVerificationException e) {
throw new ServiceException(ERROR_CODE_401, "token验证失败,请重新登录");
return true;
在WebConfig配置类中添加自定义拦截器
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Autowired
private LoginJWTInterceptor loginJWTInterceptor;
@Override
public void configurePathMatch(PathMatchConfigurer configurer) {
// 指定controller统一的接口前缀
configurer.addPathPrefix("/api", clazz - clazz.isAnnotationPresent(RestController.class));
// 加自定义拦截器JwtInterceptor,设置拦截规则
//.excludePathPatterns("/api/admin/login");放开登录接口,因为登录的时候还没有token
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(loginJWTInterceptor) // 添加所有路径需要校验
.addPathPatterns("/api/**").excludePathPatterns("/api/admin/login", "/api/admin/register");//不需要拦截的接口
设置自定义头配置(前端在request拦截器设置自定义头)
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
public CorsFilter corsFilter() {
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
CorsConfiguration corsConfiguration = new CorsConfiguration();
corsConfiguration.addAllowedOrigin("*"); // 1 设置访问源地址
corsConfiguration.addAllowedHeader("*"); // 2 设置访问源请求头
corsConfiguration.addAllowedMethod("*"); // 3 设置访问源请求方法
source.registerCorsConfiguration("/**", corsConfiguration); // 4 对接口配置跨域设置
return new CorsFilter(source);
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