springsecurity项目快速搭建-编程知识

自定义security的搭建

package com.sangeng.config;import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;@Configuration
public class CorsConfig implements WebMvcConfigurer {@Overridepublic void addCorsMappings(CorsRegistry registry) {// 设置允许跨域的路径registry.addMapping("/**")// 设置允许跨域请求的域名.allowedOriginPatterns("*")// 是否允许cookie.allowCredentials(true)// 设置允许的请求方式.allowedMethods("GET", "POST", "DELETE", "PUT")// 设置允许的header属性.allowedHeaders("*")// 跨域允许时间.maxAge(3600);}
}

package com.sangeng.config;import com.sangeng.utils.FastJsonRedisSerializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.StringRedisSerializer;@Configuration
public class RedisConfig {@Bean@SuppressWarnings(value = { "unchecked", "rawtypes" })public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory){RedisTemplate<Object, Object> template = new RedisTemplate<>();template.setConnectionFactory(connectionFactory);FastJsonRedisSerializer serializer = new FastJsonRedisSerializer(Object.class);// 使用StringRedisSerializer来序列化和反序列化redis的key值template.setKeySerializer(new StringRedisSerializer());template.setValueSerializer(serializer);// Hash的key也采用StringRedisSerializer的序列化方式template.setHashKeySerializer(new StringRedisSerializer());template.setHashValueSerializer(serializer);template.afterPropertiesSet();return template;}
}

package com.sangeng.config;import com.sangeng.filter.JwtAuthenticationTokenFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {//创建BCryptPasswordEncoder注入容器@Beanpublic PasswordEncoder passwordEncoder(){return new BCryptPasswordEncoder();}@Autowiredprivate JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;@Autowiredprivate AuthenticationEntryPoint authenticationEntryPoint;@Autowiredprivate AccessDeniedHandler accessDeniedHandler;@Overrideprotected void configure(HttpSecurity http) throws Exception {http//关闭csrf.csrf().disable()//不通过Session获取SecurityContext.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and().authorizeRequests()// 对于登录接口 允许匿名访问.antMatchers("/user/login").anonymous()
//                .antMatchers("/testCors").hasAuthority("system:dept:list222")// 除上面外的所有请求全部需要鉴权认证.anyRequest().authenticated();//添加过滤器http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);//配置异常处理器http.exceptionHandling()//配置认证失败处理器.authenticationEntryPoint(authenticationEntryPoint).accessDeniedHandler(accessDeniedHandler);//允许跨域}@Bean@Overridepublic AuthenticationManager authenticationManagerBean() throws Exception {return super.authenticationManagerBean();}
}

package com.sangeng.controller;import com.sangeng.domain.ResponseResult;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;@RestController
public class HelloController {@RequestMapping("/hello")@PreAuthorize("@ex.hasAuthority('system:dept:list')")
//    @PreAuthorize("hasAnyAuthority('admin','test','system:dept:list')")
//    @PreAuthorize("hasRole('system:dept:list')")
//    @PreAuthorize("hasAnyRole('admin','system:dept:list')")public String hello(){return "hello";}@RequestMapping("/testCors")public ResponseResult testCors(){return new ResponseResult(200,"testCors");}
}

package com.sangeng.controller;import com.sangeng.domain.ResponseResult;
import com.sangeng.domain.User;
import com.sangeng.service.LoginServcie;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;@RestController
public class LoginController {@Autowiredprivate LoginServcie loginServcie;@PostMapping("/user/login")public ResponseResult login(@RequestBody User user){//登录return loginServcie.login(user);}@RequestMapping("/user/logout")public ResponseResult logout(){return loginServcie.logout();}
}

package com.sangeng.domain;import com.alibaba.fastjson.annotation.JSONField;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;@Data
@NoArgsConstructor
public class LoginUser implements UserDetails {private User user;private List<String> permissions;public LoginUser(User user, List<String> permissions) {this.user = user;this.permissions = permissions;}@JSONField(serialize = false)private List<SimpleGrantedAuthority> authorities;@Overridepublic Collection<? extends GrantedAuthority> getAuthorities() {if(authorities!=null){return authorities;}//把permissions中String类型的权限信息封装成SimpleGrantedAuthority对象
//       authorities = new ArrayList<>();
//        for (String permission : permissions) {
//            SimpleGrantedAuthority authority = new SimpleGrantedAuthority(permission);
//            authorities.add(authority);
//        }authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());return authorities;}@Overridepublic String getPassword() {return user.getPassword();}@Overridepublic String getUsername() {return user.getUserName();}@Overridepublic boolean isAccountNonExpired() {return true;}@Overridepublic boolean isAccountNonLocked() {return true;}@Overridepublic boolean isCredentialsNonExpired() {return true;}@Overridepublic boolean isEnabled() {return true;}
}

package com.sangeng.domain;import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;import java.io.Serializable;
import java.util.Date;/*** 菜单表(Menu)实体类** @author makejava* @since 2021-11-24 15:30:08*/
@TableName(value="sys_menu")
@Data
@AllArgsConstructor
@NoArgsConstructor
@JsonInclude(JsonInclude.Include.NON_NULL)
public class Menu implements Serializable {private static final long serialVersionUID = -54979041104113736L;@TableIdprivate Long id;/*** 菜单名*/private String menuName;/*** 路由地址*/private String path;/*** 组件路径*/private String component;/*** 菜单状态（0显示 1隐藏）*/private String visible;/*** 菜单状态（0正常 1停用）*/private String status;/*** 权限标识*/private String perms;/*** 菜单图标*/private String icon;private Long createBy;private Date createTime;private Long updateBy;private Date updateTime;/*** 是否删除（0未删除 1已删除）*/private Integer delFlag;/*** 备注*/private String remark;
}

package com.sangeng.domain;import com.fasterxml.jackson.annotation.JsonInclude;/*** @Author 三更  B站： https://space.bilibili.com/663528522*/
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ResponseResult<T> {/*** 状态码*/private Integer code;/*** 提示信息，如果有错误时，前端可以获取该字段进行提示*/private String msg;/*** 查询到的结果数据，*/private T data;public ResponseResult(Integer code, String msg) {this.code = code;this.msg = msg;}public ResponseResult(Integer code, T data) {this.code = code;this.data = data;}public Integer getCode() {return code;}public void setCode(Integer code) {this.code = code;}public String getMsg() {return msg;}public void setMsg(String msg) {this.msg = msg;}public T getData() {return data;}public void setData(T data) {this.data = data;}public ResponseResult(Integer code, String msg, T data) {this.code = code;this.msg = msg;this.data = data;}
}

package com.sangeng.domain;import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;import java.io.Serializable;
import java.util.Date;/*** 用户表(User)实体类** @author 三更*/
@Data
@AllArgsConstructor
@NoArgsConstructor
@TableName("sys_user")
public class User implements Serializable {private static final long serialVersionUID = -40356785423868312L;/*** 主键*/@TableIdprivate Long id;/*** 用户名*/private String userName;/*** 昵称*/private String nickName;/*** */private String password;/*** 账号状态（0正常 1停用）*/private String status;/*** 邮箱*/private String email;/*** 手机号*/private String phonenumber;/*** 用户性别（0男，1女，2未知）*/private String sex;/*** 头像*/private String avatar;/*** 用户类型（0管理员，1普通用户）*/private String userType;/*** 创建人的用户id*/private Long createBy;/*** 创建时间*/private Date createTime;/*** 更新人*/private Long updateBy;/*** 更新时间*/private Date updateTime;/*** 删除标志（0代表未删除，1代表已删除）*/private Integer delFlag;
}

package com.sangeng.expression;import com.sangeng.domain.LoginUser;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;import java.util.List;@Component("ex")
public class SGExpressionRoot {public boolean hasAuthority(String authority){//获取当前用户的权限Authentication authentication = SecurityContextHolder.getContext().getAuthentication();LoginUser loginUser = (LoginUser) authentication.getPrincipal();List<String> permissions = loginUser.getPermissions();//判断用户权限集合中是否存在authorityreturn permissions.contains(authority);}
}

package com.sangeng.filter;import com.sangeng.domain.LoginUser;
import com.sangeng.utils.JwtUtil;
import com.sangeng.utils.RedisCache;
import io.jsonwebtoken.Claims;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.filter.OncePerRequestFilter;import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Objects;@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {@Autowiredprivate RedisCache redisCache;@Overrideprotected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {//获取tokenString token = request.getHeader("token");if (!StringUtils.hasText(token)) {//放行
//            filterChain.doFilter(request, response);return;}//解析tokenString userid;try {Claims claims = JwtUtil.parseJWT(token);userid = claims.getSubject();} catch (Exception e) {e.printStackTrace();throw new RuntimeException("token非法");}//从redis中获取用户信息String redisKey = "login:" + userid;LoginUser loginUser = redisCache.getCacheObject(redisKey);if(Objects.isNull(loginUser)){throw new RuntimeException("用户未登录");}//存入SecurityContextHolder//TODO 获取权限信息封装到Authentication中UsernamePasswordAuthenticationToken authenticationToken =new UsernamePasswordAuthenticationToken(loginUser,null,loginUser.getAuthorities());SecurityContextHolder.getContext().setAuthentication(authenticationToken);//放行filterChain.doFilter(request, response);}
}

package com.sangeng.handler;import com.alibaba.fastjson.JSON;
import com.sangeng.domain.ResponseResult;
import com.sangeng.utils.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;@Component
public class AccessDeniedHandlerImpl implements AccessDeniedHandler {@Overridepublic void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException) throws IOException, ServletException {ResponseResult result = new ResponseResult(HttpStatus.FORBIDDEN.value(),"您的权限不足");String json = JSON.toJSONString(result);//处理异常WebUtils.renderString(response,json);}
}

package com.sangeng.handler;import com.alibaba.fastjson.JSON;
import com.sangeng.domain.ResponseResult;
import com.sangeng.utils.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {@Overridepublic void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {ResponseResult result = new ResponseResult(HttpStatus.UNAUTHORIZED.value(),"用户认证失败请查询登录");String json = JSON.toJSONString(result);//处理异常WebUtils.renderString(response,json);}
}

package com.sangeng.mapper;import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.sangeng.domain.Menu;import java.util.List;public interface MenuMapper extends BaseMapper<Menu> {List<String> selectPermsByUserId(Long userid);
}

package com.sangeng.mapper;import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.sangeng.domain.User;public interface UserMapper extends BaseMapper<User> {
}

package com.sangeng.service.impl;import com.sangeng.domain.LoginUser;
import com.sangeng.domain.ResponseResult;
import com.sangeng.domain.User;
import com.sangeng.service.LoginServcie;
import com.sangeng.utils.JwtUtil;
import com.sangeng.utils.RedisCache;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Service;import java.util.HashMap;
import java.util.Map;
import java.util.Objects;@Service
public class LoginServiceImpl implements LoginServcie {@Autowiredprivate AuthenticationManager authenticationManager;@Autowiredprivate RedisCache redisCache;@Overridepublic ResponseResult login(User user) {//AuthenticationManager authenticate进行用户认证UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(user.getUserName(),user.getPassword());Authentication authenticate = authenticationManager.authenticate(authenticationToken);//如果认证没通过，给出对应的提示if(Objects.isNull(authenticate)){throw new RuntimeException("登录失败");}//如果认证通过了，使用userid生成一个jwt jwt存入ResponseResult返回LoginUser loginUser = (LoginUser) authenticate.getPrincipal();String userid = loginUser.getUser().getId().toString();String jwt = JwtUtil.createJWT(userid);Map<String,String> map = new HashMap<>();map.put("token",jwt);//把完整的用户信息存入redis  userid作为keyredisCache.setCacheObject("login:"+userid,loginUser);return new ResponseResult(200,"登录成功",map);}@Overridepublic ResponseResult logout() {//获取SecurityContextHolder中的用户idUsernamePasswordAuthenticationToken authentication = (UsernamePasswordAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();LoginUser loginUser = (LoginUser) authentication.getPrincipal();Long userid = loginUser.getUser().getId();//删除redis中的值redisCache.deleteObject("login:"+userid);return new ResponseResult(200,"注销成功");}
}

package com.sangeng.service.impl;import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.sangeng.domain.LoginUser;
import com.sangeng.domain.User;
import com.sangeng.mapper.MenuMapper;
import com.sangeng.mapper.UserMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;@Service
public class UserDetailsServiceImpl implements UserDetailsService {@Autowiredprivate UserMapper userMapper;@Autowiredprivate MenuMapper menuMapper;@Overridepublic UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {//查询用户信息LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();queryWrapper.eq(User::getUserName,username);User user = userMapper.selectOne(queryWrapper);//如果没有查询到用户就抛出异常if(Objects.isNull(user)){throw new RuntimeException("用户名或者密错误");}//        List<String> list = new ArrayList<>(Arrays.asList("test","admin"));List<String> list = menuMapper.selectPermsByUserId(user.getId());//把数据封装成UserDetails返回return new LoginUser(user,list);}
}

package com.sangeng.service;import com.sangeng.domain.ResponseResult;
import com.sangeng.domain.User;public interface LoginServcie {ResponseResult login(User user);ResponseResult logout();}

package com.sangeng.utils;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.TypeFactory;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import com.alibaba.fastjson.parser.ParserConfig;
import org.springframework.util.Assert;
import java.nio.charset.Charset;/*** Redis使用FastJson序列化* * @author sg*/
public class FastJsonRedisSerializer<T> implements RedisSerializer<T>
{public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");private Class<T> clazz;static{ParserConfig.getGlobalInstance().setAutoTypeSupport(true);}public FastJsonRedisSerializer(Class<T> clazz){super();this.clazz = clazz;}@Overridepublic byte[] serialize(T t) throws SerializationException{if (t == null){return new byte[0];}return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);}@Overridepublic T deserialize(byte[] bytes) throws SerializationException{if (bytes == null || bytes.length <= 0){return null;}String str = new String(bytes, DEFAULT_CHARSET);return JSON.parseObject(str, clazz);}protected JavaType getJavaType(Class<?> clazz){return TypeFactory.defaultInstance().constructType(clazz);}
}

package com.sangeng.utils;import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;
import java.util.Date;
import java.util.UUID;/*** JWT工具类*/
public class JwtUtil {//有效期为public static final Long JWT_TTL = 60 * 60 *1000L;// 60 * 60 *1000  一个小时//设置秘钥明文public static final String JWT_KEY = "sangeng";public static String getUUID(){String token = UUID.randomUUID().toString().replaceAll("-", "");return token;}/*** 生成jtw* @param subject token中要存放的数据（json格式）* @return*/public static String createJWT(String subject) {JwtBuilder builder = getJwtBuilder(subject, null, getUUID());// 设置过期时间return builder.compact();}/*** 生成jtw* @param subject token中要存放的数据（json格式）* @param ttlMillis token超时时间* @return*/public static String createJWT(String subject, Long ttlMillis) {JwtBuilder builder = getJwtBuilder(subject, ttlMillis, getUUID());// 设置过期时间return builder.compact();}private static JwtBuilder getJwtBuilder(String subject, Long ttlMillis, String uuid) {SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;SecretKey secretKey = generalKey();long nowMillis = System.currentTimeMillis();Date now = new Date(nowMillis);if(ttlMillis==null){ttlMillis=JwtUtil.JWT_TTL;}long expMillis = nowMillis + ttlMillis;Date expDate = new Date(expMillis);return Jwts.builder().setId(uuid)              //唯一的ID.setSubject(subject)   // 主题  可以是JSON数据.setIssuer("sg")     // 签发者.setIssuedAt(now)      // 签发时间.signWith(signatureAlgorithm, secretKey) //使用HS256对称加密算法签名, 第二个参数为秘钥.setExpiration(expDate);}/*** 创建token* @param id* @param subject* @param ttlMillis* @return*/public static String createJWT(String id, String subject, Long ttlMillis) {JwtBuilder builder = getJwtBuilder(subject, ttlMillis, id);// 设置过期时间return builder.compact();}public static void main(String[] args) throws Exception {
//        String jwt = createJWT("2123");Claims claims = parseJWT("eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiIyOTY2ZGE3NGYyZGM0ZDAxOGU1OWYwNjBkYmZkMjZhMSIsInN1YiI6IjIiLCJpc3MiOiJzZyIsImlhdCI6MTYzOTk2MjU1MCwiZXhwIjoxNjM5OTY2MTUwfQ.NluqZnyJ0gHz-2wBIari2r3XpPp06UMn4JS2sWHILs0");String subject = claims.getSubject();System.out.println(subject);
//        System.out.println(claims);}/*** 生成加密后的秘钥 secretKey* @return*/public static SecretKey generalKey() {byte[] encodedKey = Base64.getDecoder().decode(JwtUtil.JWT_KEY);SecretKey key = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");return key;}/*** 解析** @param jwt* @return* @throws Exception*/public static Claims parseJWT(String jwt) throws Exception {SecretKey secretKey = generalKey();return Jwts.parser().setSigningKey(secretKey).parseClaimsJws(jwt).getBody();}}

package com.sangeng.utils;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundSetOperations;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;import java.util.*;
import java.util.concurrent.TimeUnit;@SuppressWarnings(value = { "unchecked", "rawtypes" })
@Component
public class RedisCache
{@Autowiredpublic RedisTemplate redisTemplate;/*** 缓存基本的对象，Integer、String、实体类等** @param key 缓存的键值* @param value 缓存的值*/public <T> void setCacheObject(final String key, final T value){redisTemplate.opsForValue().set(key, value);}/*** 缓存基本的对象，Integer、String、实体类等** @param key 缓存的键值* @param value 缓存的值* @param timeout 时间* @param timeUnit 时间颗粒度*/public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit){redisTemplate.opsForValue().set(key, value, timeout, timeUnit);}/*** 设置有效时间** @param key Redis键* @param timeout 超时时间* @return true=设置成功；false=设置失败*/public boolean expire(final String key, final long timeout){return expire(key, timeout, TimeUnit.SECONDS);}/*** 设置有效时间** @param key Redis键* @param timeout 超时时间* @param unit 时间单位* @return true=设置成功；false=设置失败*/public boolean expire(final String key, final long timeout, final TimeUnit unit){return redisTemplate.expire(key, timeout, unit);}/*** 获得缓存的基本对象。** @param key 缓存键值* @return 缓存键值对应的数据*/public <T> T getCacheObject(final String key){ValueOperations<String, T> operation = redisTemplate.opsForValue();return operation.get(key);}/*** 删除单个对象** @param key*/public boolean deleteObject(final String key){return redisTemplate.delete(key);}/*** 删除集合对象** @param collection 多个对象* @return*/public long deleteObject(final Collection collection){return redisTemplate.delete(collection);}/*** 缓存List数据** @param key 缓存的键值* @param dataList 待缓存的List数据* @return 缓存的对象*/public <T> long setCacheList(final String key, final List<T> dataList){Long count = redisTemplate.opsForList().rightPushAll(key, dataList);return count == null ? 0 : count;}/*** 获得缓存的list对象** @param key 缓存的键值* @return 缓存键值对应的数据*/public <T> List<T> getCacheList(final String key){return redisTemplate.opsForList().range(key, 0, -1);}/*** 缓存Set** @param key 缓存键值* @param dataSet 缓存的数据* @return 缓存数据的对象*/public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet){BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);Iterator<T> it = dataSet.iterator();while (it.hasNext()){setOperation.add(it.next());}return setOperation;}/*** 获得缓存的set** @param key* @return*/public <T> Set<T> getCacheSet(final String key){return redisTemplate.opsForSet().members(key);}/*** 缓存Map** @param key* @param dataMap*/public <T> void setCacheMap(final String key, final Map<String, T> dataMap){if (dataMap != null) {redisTemplate.opsForHash().putAll(key, dataMap);}}/*** 获得缓存的Map** @param key* @return*/public <T> Map<String, T> getCacheMap(final String key){return redisTemplate.opsForHash().entries(key);}/*** 往Hash中存入数据** @param key Redis键* @param hKey Hash键* @param value 值*/public <T> void setCacheMapValue(final String key, final String hKey, final T value){redisTemplate.opsForHash().put(key, hKey, value);}/*** 获取Hash中的数据** @param key Redis键* @param hKey Hash键* @return Hash中的对象*/public <T> T getCacheMapValue(final String key, final String hKey){HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();return opsForHash.get(key, hKey);}/*** 删除Hash中的数据* * @param key* @param hkey*/public void delCacheMapValue(final String key, final String hkey){HashOperations hashOperations = redisTemplate.opsForHash();hashOperations.delete(key, hkey);}/*** 获取多个Hash中的数据** @param key Redis键* @param hKeys Hash键集合* @return Hash对象集合*/public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys){return redisTemplate.opsForHash().multiGet(key, hKeys);}/*** 获得缓存的基本对象列表** @param pattern 字符串前缀* @return 对象列表*/public Collection<String> keys(final String pattern){return redisTemplate.keys(pattern);}
}

package com.sangeng.utils;import javax.servlet.http.HttpServletResponse;
import java.io.IOException;public class WebUtils
{/*** 将字符串渲染到客户端* * @param response 渲染对象* @param string 待渲染的字符串* @return null*/public static String renderString(HttpServletResponse response, String string) {try{response.setStatus(200);response.setContentType("application/json");response.setCharacterEncoding("utf-8");response.getWriter().print(string);}catch (IOException e){e.printStackTrace();}return null;}
}

package com.sangeng;import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;@SpringBootApplication
@MapperScan("com.sangeng.mapper")
public class TokenApplication {public static void main(String[] args) {ConfigurableApplicationContext run = SpringApplication.run(TokenApplication.class, args);System.out.println(1111);}
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.sangeng.mapper.MenuMapper"><select id="selectPermsByUserId" resultType="java.lang.String">SELECTDISTINCT m.`perms`FROMsys_user_role urLEFT JOIN `sys_role` r ON ur.`role_id` = r.`id`LEFT JOIN `sys_role_menu` rm ON ur.`role_id` = rm.`role_id`LEFT JOIN `sys_menu` m ON m.`id` = rm.`menu_id`WHEREuser_id = #{userid}AND r.`status` = 0AND m.`status` = 0</select>
</mapper>

spring:datasource:url: jdbc:mysql://localhost:3306/security?characterEncoding=utf-8&serverTimezone=UTCusername: rootpassword: 12345driver-class-name: com.mysql.cj.jdbc.Driver
mybatis-plus:mapper-locations: classpath*:/mapper/**/*.xml
server:port: 8888

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.sangeng</groupId><artifactId>SanGengTokenDemo</artifactId><version>1.0-SNAPSHOT</version><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.5.0</version></parent><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><!--SpringSecurity启动器--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-security</artifactId></dependency><!--redis依赖--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId></dependency><!--fastjson依赖--><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.33</version></dependency><!--jwt依赖--><dependency><groupId>io.jsonwebtoken</groupId><artifactId>jjwt</artifactId><version>0.9.0</version></dependency><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-boot-starter</artifactId><version>3.4.3</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId></dependency></dependencies></project>