微服务网关Zuul+Spring security+Oauth2.0+Jwt + 动态盐值 实现权限控制，开放接口平台
前言
网关作为整个微服务入口，在网关做认证授权既可以提前过滤不合法或过期的请求，又能让其他服务专做自身业务，不再关心令牌和权限问题。在集成过程中，选用的微服务版本为Greenwich.SR2，springboot版本以及security版本都为2.1.6.RELEASE，security每个版本的的实现有蛮大差异的。比如在2.0.1.RELEASE版在装载权限tag的时候是不需要带ROLE_前缀的，而2.1.6.RELEASE看源码得知需要自己拼接前缀。由于公司加密问题，项目不能放置外网，后续篇幅可能偏长，尽量每一步都贴清除，方便初学者少踩坑。但原理就读者自己去体会。
构建项目
eureka : 注册中心
common : 公用模块，放置其他服务公用的部分，可以不用
api-gateway : zuul集成security实现登录认证
auth-center : zuul集成security实现认证授权
父 pom.xml
<?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.babaznkj.com</groupId> <artifactId>zuul-auth</artifactId> <packaging>pom</packaging> <version>1.0-SNAPSHOT</version> <modules> <module>eureka</module> <module>api-gateway</module> <module>common</module> <module>auth-center</module> </modules> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <spring-cloud.version>Greenwich.SR2</spring-cloud.version> <mybatis.starter.version>1.3.2</mybatis.starter.version> <druid.starter.version>1.1.9</druid.starter.version> <mapper.starter.version>2.0.2</mapper.starter.version> <leyou.latest.version>1.0.0-SNAPSHOT</leyou.latest.version> </properties> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.6.RELEASE</version> </parent> <dependencyManagement> <dependencies> <!-- springCloud --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>com.babaznkj.com</groupId> <artifactId>common</artifactId> <version>${project.version}</version> </dependency> </dependencies> </dependencyManagement> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <!-- <configuration>--> <!-- <!–1. 这里要指定你的springboot项目的主启动类的全类名--> <!-- 2. 大家不要把这个插件放到父项目的依赖中，哪个项目需要打包，就放到哪个项目的依赖下–>--> <!-- <mainClass>com.baba.security.gateway</mainClass>--> <!-- </configuration>--> <!-- <executions>--> <!-- <execution>--> <!-- <goals>--> <!-- <goal>repackage</goal>--> <!-- </goals>--> <!-- </execution>--> <!-- </executions>--> </plugin> </plugins> </build> </project>- common 模块
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JwtProperties.java，这个版本验证 Authorization的时候截取了前6位，且已Bearer开头，故在生成jwt的时候要拼接前缀，这个文件就用来读取默认配置的。package com.baba.security.common.config; import lombok.Data; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.stereotype.Component; /** * @Author wulongbo * @Date 2021/11/4 9:49 * @Version 1.0 */ @Data @Component @ConfigurationProperties("baba.security.jwt") public class JwtProperties { private String secret; private String url; private String header; private String prefix; private Integer expiration; private String language; } -
JwtTokenAuthenticationFilter.java,由于过滤器中无法注入bean，故采用从spring上下文中获取。做全局异常处理，要抛出自定义异常可以先抛如controller中，当然这里采用了另外一种方式。这里实现了动态验签以及唯一登录。package com.baba.security.common.config; import com.baba.security.common.constant.RedisConstant; import com.baba.security.common.enums.ResultCode; import com.baba.security.common.exception.DefinitException; import com.baba.security.common.utils.JwtUtils; import com.baba.security.common.utils.RedisUtils; import com.baba.security.common.utils.SpringUtils; import io.jsonwebtoken.JwtException; import org.springframework.context.ApplicationContext; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.security.core.context.SecurityContextHolder; import org.springframework.util.StringUtils; import org.springframework.web.context.support.WebApplicationContextUtils; import org.springframework.web.filter.OncePerRequestFilter; import org.springframework.web.servlet.HandlerExceptionResolver; import javax.servlet.FilterChain; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.List; /** * Authenticate requests with header 'Authorization: Bearer jwt-token'. * * @author wulongbo 2021/10/18 */ public class JwtTokenAuthenticationFilter extends OncePerRequestFilter { // private final JwtAuthenticationConfig config; private final JwtProperties config; public JwtTokenAuthenticationFilter(JwtProperties config) { this.config = config; } @Override protected void doFilterInternal(HttpServletRequest req, HttpServletResponse rsp, FilterChain filterChain) throws ServletException, IOException { HandlerExceptionResolver resolver = null; try { RedisUtils redisUtil = SpringUtils.getBean(RedisUtils.class); // filter过滤器使用Autowired注入Bean为null ServletContext context = req.getServletContext(); ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(context); resolver = ctx.getBean("handlerExceptionResolver", HandlerExceptionResolver.class); String userAgent = req.getHeader("user-agent").toLowerCase(); String salt = null; //获取token String token = req.getHeader(config.getHeader()); if (token != null && token.startsWith(config.getPrefix() + " ")) { token = token.replace(config.getPrefix() + " ", ""); String id = redisUtil.get(token); if (StringUtils.isEmpty(id)) { resolver.resolveException(req, rsp, null, new DefinitException(ResultCode.REDIS_CACHE_BLANK)); return; } if (userAgent.indexOf("micromessenger") != -1) { //微信 } else if (userAgent.indexOf("android") != -1 || userAgent.indexOf("iphone") != -1 || userAgent.indexOf("ipad") != -1 || userAgent.indexOf("ipod") != -1) { //安卓 或者 苹果 salt = redisUtil.get(RedisConstant.PREFIX_APP + id); } else { //电脑 salt = redisUtil.get(RedisConstant.PREFIX_WEB + id); } if (StringUtils.isEmpty(salt)) { resolver.resolveException(req, rsp, null, new DefinitException(ResultCode.REDIS_SALT_BLANK)); return; } String username = JwtUtils.getUsername(token,salt); if (username != null) { List<SimpleGrantedAuthority> roles = JwtUtils.getUserRole(token,salt); SecurityContextHolder.getContext().setAuthentication(new UsernamePasswordAuthenticationToken(username, null, roles)); } } // resolver.resolveException(req, rsp, null, new JwtException(ResultCode.TOKEN_EXCEPTION.getMessage())); filterChain.doFilter(req, rsp); } catch (JwtException e) { resolver.resolveException(req, rsp, null, new JwtException(ResultCode.SAFETY_INVALID.getMessage())); } } } -
RedisConstant.java,常量类。package com.baba.security.common.constant; /** * @author wulongbo 2021/10/18 */ public interface RedisConstant { String TOKEN_TEMPLATE = "token_%s"; String PREFIX_APP = "bbznkj_app_"; String PREFIX_WEB = "bbznkj_web_"; } -
ResultCode.java,枚举类可以规范响应，如是多国语言的系统可以考虑适用redis来解决。package com.baba.security.common.enums; /** * @Author wulongbo * @Date 2021/10/27 14:13 * @Version 1.0 */ /** * 异常处理状态码 */ public enum ResultCode { SUCCESS(0, "请求成功"), FAILED(1001, "响应失败"), Unknown_Exception(-1, "未知异常"), SAFETY_INVALID(208,"该账号已在其他设备登录，签名已失效，请重新登录"), REDIS_CACHE_BLANK(6379, "缓存已失效,请重新登录"), REQUEST_URL_WRONG(401, "请求地址不存在"), REQUEST_BLANK(403, "请求接口无权限访问"), REDIS_SALT_BLANK(6333,"签名值缓存失效"), USER_NOT_FOUND(10001, "没有找到此用户"), USERNAME_NOT_BLANK(10002, "用户名不能为空"), USERNAME_EXIST(10003, "用户名已经存在"), USERTYPE_ERROR(100031, "用户类型不正确"), PHONE_WROND(10004, "手机号不正确"), SMS_CODE_ERROR(10007, "手机验证码不正确"), PHONE_EXIST(10008, "手机号已经存在"), USER_EMPTY_EXCEPTION(10009, "用户名、手机号或者邮箱为空"), USER_TOKEN_EXCEPTION(10010, "从TOKEN中未查到相关用户信息"), USERNAME_PASSWORD_EXCEPTION(10011, "用户名或者密码错误"), EMAIL_SERVER_ECCEPTION(10012, "阿里云邮件服务端出错"), EMAIL_CLIENT_ECCEPTION(10013, "阿里云邮件客户端出错"), EMAIL_SEND_ECCEPTION(10014, "阿里云邮件发送出错"), EMAIL_WROND(10015, "邮箱不正确"), EMAIL_CODE_WROND(10016, "邮箱验证码不正确"), EMAIL_EXIST(10017, "邮箱已经存在"), LOGIN_METHOD_WROND(209, "登录密码不正确"), CODE_EMPTY(10019, "验证码不为空"), PASSWORD_EMPTY(10020, "密码不为空"), TOKEN_EXCEPTION(10021, "TOKEN认证出错"), USER_AUTH_FAILD(10022, "用户认证失败"), USER_AUTH_SUCCESS(200, "用户认证授权成功"), USER_ACCESS_DENIED(10023, "用户无权限登录"), CODE_SEND_FAILD(10030, "验证码发送失败"), ACTION_MONGODB_ERROR(10100, "操作MONGODB数据库出错"), OPERATION_TOO_FREQUENT(10101, "请求过于频繁，请稍候再试"), CODE_EXIST(10023,"编号已存在"), TESTCODE_ERROR(10036,"提交数已达上限"), NAME_EXIST(10024,"名称已存在"), NOT_EXIST_EMAIL(10025,"该企业用户没有分配邮箱"), MAIL_REACH_MAX(10026,"达到收取邮箱上限"), MAIL_NEW_NOTEXIST(10027,"邮箱中没有可导入的简历"), PWD_CONFIRM_ERROR(10029,"两次密码不一致"), PWD_ERROR(10030,"密码不正确"), ENTER_OR_TALENT_NOT_EXITS(10028,"企业或人才库简历不存在"), PHONE_EMPTY(10031, "手机号不能为空"), EMAIL_EMPTY(10032, "邮箱不能为空"), NO_USABLE_MAIL(10040,"没有可用邮箱"), DEVICE_ID_EMPTY(10052,"设备ID:deviceId不能为空"), DELETE_CONNECT_ERROR(10053,"删除connect出错"); private int code; private String message; ResultCode(int code, String message) { this.code = code; this.message = message; } public int getCode() { return code; } public String getMessage() { return message; } } -
ApiException.java、DefinitException.java、JWTAuthenticationEntryPoint.java、ExceptionControllerAdvice.java、SimpleAccessDeniedHandler.java、SimpleAuthenticationEntryPoint.java、 ：自定义异常类，用于全局异常处理。package com.baba.security.common.exception; import lombok.Getter; /** * @Author wulongbo * @Date 2021/10/27 11:58 * @Version 1.0 * 自定义异常 */ @Getter //只要getter方法，无需setter public class ApiException extends RuntimeException { private int code; private String msg; public ApiException() { this(1001, "接口错误"); } public ApiException(String msg) { this(1001, msg); } public ApiException(int code, String msg) { super(msg); this.code = code; this.msg = msg; } }
package com.baba.security.common.exception; import com.baba.security.common.enums.ResultCode; import lombok.Data; /** * @Author wulongbo * @Date 2021/10/28 11:28 * @Version 1.0 */ @Data public class DefinitException extends RuntimeException { private ResultCode resultCode; private int code; private String msg; public DefinitException() { this(1001, "接口错误"); } public DefinitException(ResultCode resultCode) { this(resultCode.getCode(), resultCode.getMessage()); this.resultCode=resultCode; } public DefinitException(int code, String msg) { super(msg); this.code = code; this.msg = msg; } } package com.baba.security.common.exception; import com.baba.security.common.enums.ResultCode; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.http.MediaType; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.AuthenticationEntryPoint; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.HashMap; /** * @Author wulongbo * @Date 2021/11/2 17:08 * @Version 1.0 */ public class JWTAuthenticationEntryPoint implements AuthenticationEntryPoint { @Override public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException { HashMap<String, Object> map = new HashMap<>(3); map.put("uri", request.getRequestURI()); map.put("code", ResultCode.REQUEST_URL_WRONG.getCode()); map.put("msg", ResultCode.REQUEST_URL_WRONG.getMessage()); response.setStatus(HttpServletResponse.SC_FORBIDDEN); response.setCharacterEncoding("utf-8"); response.setContentType(MediaType.APPLICATION_JSON_VALUE); response.getWriter().write(new ObjectMapper().writeValueAsString(map)); } }package com.baba.security.common.handler; import com.baba.security.common.enums.ResultCode; import com.baba.security.common.exception.ApiException; import com.baba.security.common.exception.DefinitException; import com.baba.security.common.vo.ResultVO; import io.jsonwebtoken.JwtException; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; /** * @Author wulongbo * @Date 2021/10/27 12:00 * @Version 1.0 * 全局异常控制类 */ @RestControllerAdvice public class ExceptionControllerAdvice { @ExceptionHandler(DefinitException.class) public ResultVO<String> handleDefinitException(DefinitException e) { // 注意哦，这里返回类型是自定义响应体 return new ResultVO<>(e.getResultCode()); } @ExceptionHandler(ApiException.class) public ResultVO<String> handleApiException(ApiException e) { // 注意哦，这里返回类型是自定义响应体 return new ResultVO<>(ResultCode.FAILED, e.getMsg()); } @ExceptionHandler(JwtException.class) public ResultVO<String> handleJwtException(JwtException e) { return new ResultVO<>(ResultCode.SAFETY_INVALID); } } package com.baba.security.common.handler; import com.baba.security.common.enums.ResultCode; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.http.MediaType; import org.springframework.security.access.AccessDeniedException; import org.springframework.security.web.access.AccessDeniedHandler; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; import java.util.HashMap; /** * @Author wulongbo * @Date 2021/10/28 13:49 * @Version 1.0 */ public class SimpleAccessDeniedHandler implements AccessDeniedHandler { @Override public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException) throws IOException, ServletException { //todo your business HashMap<String, Object> map = new HashMap<>(3); map.put("uri", request.getRequestURI()); map.put("code", ResultCode.REQUEST_BLANK.getCode()); map.put("msg", ResultCode.REQUEST_BLANK.getMessage()); response.setStatus(HttpServletResponse.SC_FORBIDDEN); response.setCharacterEncoding("utf-8"); response.setContentType(MediaType.APPLICATION_JSON_VALUE); ObjectMapper objectMapper = new ObjectMapper(); String resBody = objectMapper.writeValueAsString(map); PrintWriter printWriter = response.getWriter(); printWriter.print(resBody); printWriter.flush(); printWriter.close(); // throw new DefinitException(ResultCode.REQUEST_BLANK); } } package com.baba.security.common.handler; import com.baba.security.common.enums.ResultCode; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.http.MediaType; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.AuthenticationEntryPoint; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; import java.util.HashMap; /** * @Author wulongbo * @Date 2021/10/28 13:49 * @Version 1.0 */ public class SimpleAuthenticationEntryPoint implements AuthenticationEntryPoint { @Override public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException { HashMap<String, Object> map = new HashMap<>(2); map.put("uri", request.getRequestURI()); map.put("code", ResultCode.USER_AUTH_FAILD.getCode()); map.put("msg", ResultCode.USER_AUTH_FAILD.getMessage()); response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); response.setCharacterEncoding("utf-8"); response.setContentType(MediaType.APPLICATION_JSON_VALUE); ObjectMapper objectMapper = new ObjectMapper(); String resBody = objectMapper.writeValueAsString(map); PrintWriter printWriter = response.getWriter(); printWriter.print(resBody); printWriter.flush(); printWriter.close(); } } -
这里就是工具类啦，直接贴不再说明。
package com.baba.security.common.utils; import io.jsonwebtoken.Claims; import io.jsonwebtoken.Jwts; import io.jsonwebtoken.SignatureAlgorithm; import org.springframework.security.core.Authentication; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; import java.time.Instant; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.stream.Collectors; public class JwtUtils { public static final String TOKEN_HEADER = "token"; public static final String TOKEN_PREFIX = "Bearer "; private static final String SUBJECT = "mayikt"; private static final long EXPIRITION = 1000 * 24 * 60 * 60 * 7; private static final String APPSECRET_KEY = "secret"; private static final String ROLE_CLAIMS = "roles"; private static final String LANGUAGE = "language"; public static String generateJsonWebToken(Authentication auth,String secretKey,String language) { Instant now = Instant.now(); String token = Jwts.builder() .setSubject(auth.getName()) .claim(LANGUAGE,language) .claim(ROLE_CLAIMS, auth.getAuthorities().stream() .map(GrantedAuthority::getAuthority).collect(Collectors.toList())) .setIssuedAt(Date.from(now)) .setExpiration(Date.from(now.plusSeconds(EXPIRITION))) .signWith(SignatureAlgorithm.HS256, secretKey.getBytes()) .compact(); return token; } /** * 生成token * * @param username * @param role * @return */ public static String createToken(String username, String role) { Map<String, Object> map = new HashMap<>(); map.put(ROLE_CLAIMS, role); String token = Jwts .builder() .setSubject(username) .setClaims(map) .claim("username", username) .setIssuedAt(new Date()) .setExpiration(new Date(System.currentTimeMillis() + EXPIRITION)) .signWith(SignatureAlgorithm.HS256, APPSECRET_KEY).compact(); return token; } public static Claims checkJWT(String token) { try { final Claims claims = Jwts.parser().setSigningKey(APPSECRET_KEY).parseClaimsJws(token).getBody(); return claims; } catch (Exception e) { e.printStackTrace(); return null; } } /** * 获取用户名 * * @param token * @return */ public static String getUsername(String token, String secretKey) { Claims claims = Jwts.parser() .setSigningKey(secretKey.getBytes()) .parseClaimsJws(token) .getBody(); String username = claims.getSubject(); return username; } /** * 获取用户角色 * * @param token * @return */ public static List<SimpleGrantedAuthority> getUserRole(String token, String secretKey) { Claims claims = Jwts.parser() .setSigningKey(secretKey.getBytes()) .parseClaimsJws(token) .getBody(); List<String> authorities = claims.get(ROLE_CLAIMS, List.class); return authorities.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList()); } /** * 获取用户角色 * * @param token * @return */ public static List<SimpleGrantedAuthority> getUserRole2(String token) { Claims claims = Jwts.parser().setSigningKey(APPSECRET_KEY.getBytes()).parseClaimsJws(token).getBody(); List<String> authorities = claims.get("authorities", List.class); List<SimpleGrantedAuthority> roles = authorities.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList()); return roles; } /** * 是否过期 * * @param token * @return */ public static boolean isExpiration(String token) { Claims claims = Jwts.parser().setSigningKey(APPSECRET_KEY).parseClaimsJws(token).getBody(); return claims.getExpiration().before(new Date()); } }
package com.baba.security.common.utils; import java.security.MessageDigest; public class MD5Util { private static final String SALT = "mayikt"; public static String encode(String password) { password = password + SALT; MessageDigest md5 = null; try { md5 = MessageDigest.getInstance("MD5"); } catch (Exception e) { throw new RuntimeException(e); } char[] charArray = password.toCharArray(); byte[] byteArray = new byte[charArray.length]; for (int i = 0; i < charArray.length; i++) byteArray[i] = (byte) charArray[i]; byte[] md5Bytes = md5.digest(byteArray); StringBuffer hexValue = new StringBuffer(); for (int i = 0; i < md5Bytes.length; i++) { int val = ((int) md5Bytes[i]) & 0xff; if (val < 16) { hexValue.append("0"); } hexValue.append(Integer.toHexString(val)); } return hexValue.toString(); } public static void main(String[] args) { System.out.println(MD5Util.encode("123456")); } }package com.baba.security.common.utils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.connection.DataType; import org.springframework.data.redis.core.*; import org.springframework.stereotype.Component; import java.util.*; import java.util.concurrent.TimeUnit; @Component public class RedisUtils<T> { @Autowired private StringRedisTemplate redisTemplate; public void setRedisTemplate(StringRedisTemplate redisTemplate) { this.redisTemplate = redisTemplate; } public StringRedisTemplate getRedisTemplate() { return this.redisTemplate; } /** -------------------key相关操作--------------------- */ /** * 删除key * * @param key */ public void delete(String key) { redisTemplate.delete(key); } /** * 批量删除key * * @param keys */ public void delete(Collection<String> keys) { redisTemplate.delete(keys); } /** * 序列化key * * @param key * @return */ public byte[] dump(String key) { return redisTemplate.dump(key); } /** * 是否存在key * * @param key * @return */ public Boolean hasKey(String key) { return redisTemplate.hasKey(key); } /** * 设置过期时间 * * @param key * @param timeout * @param unit * @return */ public Boolean expire(String key, long timeout, TimeUnit unit) { return redisTemplate.expire(key, timeout, unit); } /** * 设置过期时间 * * @param key * @param date * @return */ public Boolean expireAt(String key, Date date) { return redisTemplate.expireAt(key, date); } /** * 查找匹配的key * * @param pattern * @return */ public Set<String> keys(String pattern) { return redisTemplate.keys(pattern); } /** * 将当前数据库的 key 移动到给定的数据库 db 当中 * * @param key * @param dbIndex * @return */ public Boolean move(String key, int dbIndex) { return redisTemplate.move(key, dbIndex); } /** * 移除 key 的过期时间，key 将持久保持 * * @param key * @return */ public Boolean persist(String key) { return redisTemplate.persist(key); } /** * 返回 key 的剩余的过期时间 * * @param key * @param unit * @return */ public Long getExpire(String key, TimeUnit unit) { return redisTemplate.getExpire(key, unit); } /** * 返回 key 的剩余的过期时间 * * @param key * @return */ public Long getExpire(String key) { return redisTemplate.getExpire(key); } /** * 从当前数据库中随机返回一个 key * * @return */ public String randomKey() { return redisTemplate.randomKey(); } /** * 修改 key 的名称 * * @param oldKey * @param newKey */ public void rename(String oldKey, String newKey) { redisTemplate.rename(oldKey, newKey); } /** * 仅当 newkey 不存在时，将 oldKey 改名为 newkey * * @param oldKey * @param newKey * @return */ public Boolean renameIfAbsent(String oldKey, String newKey) { return redisTemplate.renameIfAbsent(oldKey, newKey); } /** * 返回 key 所储存的值的类型 * * @param key * @return */ public DataType type(String key) { return redisTemplate.type(key); } /** -------------------string相关操作--------------------- */ /** * 设置指定 key 的值 * * @param key * @param value */ public void set(String key, String value) { redisTemplate.opsForValue().set(key, value); } /** * 获取指定 key 的值 * * @param key * @return */ public String get(String key) { return redisTemplate.opsForValue().get(key); } /** * 返回 key 中字符串值的子字符 * * @param key * @param start * @param end * @return */ public String getRange(String key, long start, long end) { return redisTemplate.opsForValue().get(key, start, end); } /** * 将给定 key 的值设为 value ，并返回 key 的旧值(old value) * * @param key * @param value * @return */ public String getAndSet(String key, String value) { return redisTemplate.opsForValue().getAndSet(key, value); } /** * 对 key 所储存的字符串值，获取指定偏移量上的位(bit) * * @param key * @param offset * @return */ public Boolean getBit(String key, long offset) { return redisTemplate.opsForValue().getBit(key, offset); } /** * 批量获取 * * @param keys * @return */ public List<String> multiGet(Collection<String> keys) { return redisTemplate.opsForValue().multiGet(keys); } /** * 设置ASCII码, 字符串'a'的ASCII码是97, 转为二进制是'01100001', 此方法是将二进制第offset位值变为value * * @param key 位置 * @param value 值,true为1, false为0 * @return */ public boolean setBit(String key, long offset, boolean value) { return redisTemplate.opsForValue().setBit(key, offset, value); } /** * 将值 value 关联到 key ，并将 key 的过期时间设为 timeout * * @param key * @param value * @param timeout 过期时间 * @param unit 时间单位, 天:TimeUnit.DAYS 小时:TimeUnit.HOURS 分钟:TimeUnit.MINUTES * 秒:TimeUnit.SECONDS 毫秒:TimeUnit.MILLISECONDS */ public void setEx(String key, String value, long timeout, TimeUnit unit) { redisTemplate.opsForValue().set(key, value, timeout, unit); } /** * 只有在 key 不存在时设置 key 的值 * * @param key * @param value * @return 之前已经存在返回false, 不存在返回true */ public boolean setIfAbsent(String key, String value) { return redisTemplate.opsForValue().setIfAbsent(key, value); } /** * 用 value 参数覆写给定 key 所储存的字符串值，从偏移量 offset 开始 * * @param key * @param value * @param offset 从指定位置开始覆写 */ public void setRange(String key, String value, long offset) { redisTemplate.opsForValue().set(key, value, offset); } /** * 获取字符串的长度 * * @param key * @return */ public Long size(String key) { return redisTemplate.opsForValue().size(key); } /** * 批量添加 * * @param maps */ public void multiSet(Map<String, String> maps) { redisTemplate.opsForValue().multiSet(maps); } /** * 同时设置一个或多个 key-value 对，当且仅当所有给定 key 都不存在 * * @param maps * @return 之前已经存在返回false, 不存在返回true */ public boolean multiSetIfAbsent(Map<String, String> maps) { return redisTemplate.opsForValue().multiSetIfAbsent(maps); } /** * 增加(自增长), 负数则为自减 * * @param key * @return */ public Long incrBy(String key, long increment) { return redisTemplate.opsForValue().increment(key, increment); } /** * @param key * @return */ public Double incrByFloat(String key, double increment) { return redisTemplate.opsForValue().increment(key, increment); } /** * 追加到末尾 * * @param key * @param value * @return */ public Integer append(String key, String value) { return redisTemplate.opsForValue().append(key, value); } /** -------------------hash相关操作------------------------- */ /** * 获取存储在哈希表中指定字段的值 * * @param key * @param field * @return */ public T hGet(String key, String field) { return (T)redisTemplate.opsForHash().get(key, field); } /** * 获取所有给定字段的值 * * @param key * @return */ public Map<Object, Object> hGetAll(String key) { return redisTemplate.opsForHash().entries(key); } /** * 获取所有给定字段的值 * * @param key * @param fields * @return */ public List<T> hMultiGet(String key, Collection<Object> fields) { return (List<T>)redisTemplate.opsForHash().multiGet(key, fields); } public void hPut(String key, String hashKey, String value) { redisTemplate.opsForHash().put(key, hashKey, value); } public void hPut(String key, String hashKey, Integer value) { redisTemplate.opsForHash().put(key, hashKey, value); } public void hPutAll(String key, Map<String, String> maps) { redisTemplate.opsForHash().putAll(key, maps); } /** * 仅当hashKey不存在时才设置 * * @param key * @param hashKey * @param value * @return */ public Boolean hPutIfAbsent(String key, String hashKey, String value) { return redisTemplate.opsForHash().putIfAbsent(key, hashKey, value); } /** * 删除一个或多个哈希表字段 * * @param key * @param fields * @return */ public Long hDelete(String key, Object... fields) { return redisTemplate.opsForHash().delete(key, fields); } /** * 查看哈希表 key 中，指定的字段是否存在 * * @param key * @param field * @return */ public boolean hExists(String key, String field) { return redisTemplate.opsForHash().hasKey(key, field); } /** * 为哈希表 key 中的指定字段的整数值加上增量 increment * * @param key * @param field * @param increment * @return */ public Long hIncrBy(String key, Object field, long increment) { return redisTemplate.opsForHash().increment(key, field, increment); } /** * 为哈希表 key 中的指定字段的整数值加上增量 increment * * @param key * @param field * @param delta * @return */ public Double hIncrByFloat(String key, Object field, double delta) { return redisTemplate.opsForHash().increment(key, field, delta); } /** * 获取所有哈希表中的字段 * * @param key * @return */ public Set<T> hKeys(String key) { return (Set<T>) redisTemplate.opsForHash().keys(key); } /** * 获取哈希表中字段的数量 * * @param key * @return */ public Long hSize(String key) { return redisTemplate.opsForHash().size(key); } /** * 获取哈希表中所有值 * * @param key * @return */ public List<T> hValues(String key) { return (List<T>) redisTemplate.opsForHash().values(key); } /** * 迭代哈希表中的键值对 * * @param key * @param options * @return */ public Cursor<Map.Entry<Object, Object>> hScan(String key, ScanOptions options) { return redisTemplate.opsForHash().scan(key, options); } /** ------------------------list相关操作---------------------------- */ /** * 通过索引获取列表中的元素 * * @param key * @param index * @return */ public String lIndex(String key, long index) { return redisTemplate.opsForList().index(key, index); } /** * 获取列表指定范围内的元素 * * @param key * @param start 开始位置, 0是开始位置 * @param end 结束位置, -1返回所有 * @return */ public List<String> lRange(String key, long start, long end) { return redisTemplate.opsForList().range(key, start, end); } /** * 存储在list头部 * * @param key * @param value * @return */ public Long lLeftPush(String key, String value) { return redisTemplate.opsForList().leftPush(key, value); } /** * @param key * @param value * @return */ public Long lLeftPushAll(String key, String... value) { return redisTemplate.opsForList().leftPushAll(key, value); } /** * @param key * @param value * @return */ public Long lLeftPushAll(String key, Collection<String> value) { return redisTemplate.opsForList().leftPushAll(key, value); } /** * 当list存在的时候才加入 * * @param key * @param value * @return */ public Long lLeftPushIfPresent(String key, String value) { return redisTemplate.opsForList().leftPushIfPresent(key, value); } /** * 如果pivot存在,再pivot前面添加 * * @param key * @param pivot * @param value * @return */ public Long lLeftPush(String key, String pivot, String value) { return redisTemplate.opsForList().leftPush(key, pivot, value); } /** * @param key * @param value * @return */ public Long lRightPush(String key, String value) { return redisTemplate.opsForList().rightPush(key, value); } /** * @param key * @param value * @return */ public Long lRightPushAll(String key, String... value) { return redisTemplate.opsForList().rightPushAll(key, value); } /** * @param key * @param value * @return */ public Long lRightPushAll(String key, Collection<String> value) { return redisTemplate.opsForList().rightPushAll(key, value); } /** * 为已存在的列表添加值 * * @param key * @param value * @return */ public Long lRightPushIfPresent(String key, String value) { return redisTemplate.opsForList().rightPushIfPresent(key, value); } /** * 在pivot元素的右边添加值 * * @param key * @param pivot * @param value * @return */ public Long lRightPush(String key, String pivot, String value) { return redisTemplate.opsForList().rightPush(key, pivot, value); } /** * 通过索引设置列表元素的值 * * @param key * @param index 位置 * @param value */ public void lSet(String key, long index, String value) { redisTemplate.opsForList().set(key, index, value); } /** * 移出并获取列表的第一个元素 * * @param key * @return 删除的元素 */ public String lLeftPop(String key) { return redisTemplate.opsForList().leftPop(key); } /** * 移出并获取列表的第一个元素， 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止 * * @param key * @param timeout 等待时间 * @param unit 时间单位 * @return */ public String lBLeftPop(String key, long timeout, TimeUnit unit) { return redisTemplate.opsForList().leftPop(key, timeout, unit); } /** * 移除并获取列表最后一个元素 * * @param key * @return 删除的元素 */ public String lRightPop(String key) { return redisTemplate.opsForList().rightPop(key); } /** * 移出并获取列表的最后一个元素， 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止 * * @param key * @param timeout 等待时间 * @param unit 时间单位 * @return */ public String lBRightPop(String key, long timeout, TimeUnit unit) { return redisTemplate.opsForList().rightPop(key, timeout, unit); } /** * 移除列表的最后一个元素，并将该元素添加到另一个列表并返回 * * @param sourceKey * @param destinationKey * @return */ public String lRightPopAndLeftPush(String sourceKey, String destinationKey) { return redisTemplate.opsForList().rightPopAndLeftPush(sourceKey, destinationKey); } /** * 从列表中弹出一个值，将弹出的元素插入到另外一个列表中并返回它； 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止 * * @param sourceKey * @param destinationKey * @param timeout * @param unit * @return */ public String lBRightPopAndLeftPush(String sourceKey, String destinationKey, long timeout, TimeUnit unit) { return redisTemplate.opsForList().rightPopAndLeftPush(sourceKey, destinationKey, timeout, unit); } /** * 删除集合中值等于value得元素 * * @param key * @param index index=0, 删除所有值等于value的元素; index>0, 从头部开始删除第一个值等于value的元素; * index<0, 从尾部开始删除第一个值等于value的元素; * @param value * @return */ public Long lRemove(String key, long index, String value) { return redisTemplate.opsForList().remove(key, index, value); } /** * 裁剪list * * @param key * @param start * @param end */ public void lTrim(String key, long start, long end) { redisTemplate.opsForList().trim(key, start, end); } /** * 获取列表长度 * * @param key * @return */ public Long lLen(String key) { return redisTemplate.opsForList().size(key); } /** --------------------set相关操作-------------------------- */ /** * set添加元素 * * @param key * @param values * @return */ public Long sAdd(String key, String... values) { return redisTemplate.opsForSet().add(key, values); } /** * set移除元素 * * @param key * @param values * @return */ public Long sRemove(String key, Object... values) { return redisTemplate.opsForSet().remove(key, values); } /** * 移除并返回集合的一个随机元素 * * @param key * @return */ public String sPop(String key) { return redisTemplate.opsForSet().pop(key); } /** * 将元素value从一个集合移到另一个集合 * * @param key * @param value * @param destKey * @return */ public Boolean sMove(String key, String value, String destKey) { return redisTemplate.opsForSet().move(key, value, destKey); } /** * 获取集合的大小 * * @param key * @return */ public Long sSize(String key) { return redisTemplate.opsForSet().size(key); } /** * 判断集合是否包含value * * @param key * @param value * @return */ public Boolean sIsMember(String key, Object value) { return redisTemplate.opsForSet().isMember(key, value); } /** * 获取两个集合的交集 * * @param key * @param otherKey * @return */ public Set<String> sIntersect(String key, String otherKey) { return redisTemplate.opsForSet().intersect(key, otherKey); } /** * 获取key集合与多个集合的交集 * * @param key * @param otherKeys * @return */ public Set<String> sIntersect(String key, Collection<String> otherKeys) { return redisTemplate.opsForSet().intersect(key, otherKeys); } /** * key集合与otherKey集合的交集存储到destKey集合中 * * @param key * @param otherKey * @param destKey * @return */ public Long sIntersectAndStore(String key, String otherKey, String destKey) { return redisTemplate.opsForSet().intersectAndStore(key, otherKey, destKey); } /** * key集合与多个集合的交集存储到destKey集合中 * * @param key * @param otherKeys * @param destKey * @return */ public Long sIntersectAndStore(String key, Collection<String> otherKeys, String destKey) { return redisTemplate.opsForSet().intersectAndStore(key, otherKeys, destKey); } /** * 获取两个集合的并集 * * @param key * @param otherKeys * @return */ public Set<String> sUnion(String key, String otherKeys) { return redisTemplate.opsForSet().union(key, otherKeys); } /** * 获取key集合与多个集合的并集 * * @param key * @param otherKeys * @return */ public Set<String> sUnion(String key, Collection<String> otherKeys) { return redisTemplate.opsForSet().union(key, otherKeys); } /** * key集合与otherKey集合的并集存储到destKey中 * * @param key * @param otherKey * @param destKey * @return */ public Long sUnionAndStore(String key, String otherKey, String destKey) { return redisTemplate.opsForSet().unionAndStore(key, otherKey, destKey); } /** * key集合与多个集合的并集存储到destKey中 * * @param key * @param otherKeys * @param destKey * @return */ public Long sUnionAndStore(String key, Collection<String> otherKeys, String destKey) { return redisTemplate.opsForSet().unionAndStore(key, otherKeys, destKey); } /** * 获取两个集合的差集 * * @param key * @param otherKey * @return */ public Set<String> sDifference(String key, String otherKey) { return redisTemplate.opsForSet().difference(key, otherKey); } /** * 获取key集合与多个集合的差集 * * @param key * @param otherKeys * @return */ public Set<String> sDifference(String key, Collection<String> otherKeys) { return redisTemplate.opsForSet().difference(key, otherKeys); } /** * key集合与otherKey集合的差集存储到destKey中 * * @param key * @param otherKey * @param destKey * @return */ public Long sDifference(String key, String otherKey, String destKey) { return redisTemplate.opsForSet().differenceAndStore(key, otherKey, destKey); } /** * key集合与多个集合的差集存储到destKey中 * * @param key * @param otherKeys * @param destKey * @return */ public Long sDifference(String key, Collection<String> otherKeys, String destKey) { return redisTemplate.opsForSet().differenceAndStore(key, otherKeys, destKey); } /** * 获取集合所有元素 * * @param key * @return */ public Set<String> setMembers(String key) { return redisTemplate.opsForSet().members(key); } /** * 随机获取集合中的一个元素 * * @param key * @return */ public String sRandomMember(String key) { return redisTemplate.opsForSet().randomMember(key); } /** * 随机获取集合中count个元素 * * @param key * @param count * @return */ public List<String> sRandomMembers(String key, long count) { return redisTemplate.opsForSet().randomMembers(key, count); } /** * 随机获取集合中count个元素并且去除重复的 * * @param key * @param count * @return */ public Set<String> sDistinctRandomMembers(String key, long count) { return redisTemplate.opsForSet().distinctRandomMembers(key, count); } /** * @param key * @param options * @return */ public Cursor<String> sScan(String key, ScanOptions options) { return redisTemplate.opsForSet().scan(key, options); } /**------------------zSet相关操作--------------------------------*/ /** * 添加元素,有序集合是按照元素的score值由小到大排列 * * @param key * @param value * @param score * @return */ public Boolean zAdd(String key, String value, double score) { return redisTemplate.opsForZSet().add(key, value, score); } /** * @param key * @param values * @return */ public Long zAdd(String key, Set<ZSetOperations.TypedTuple<String>> values) { return redisTemplate.opsForZSet().add(key, values); } /** * @param key * @param values * @return */ public Long zRemove(String key, Object... values) { return redisTemplate.opsForZSet().remove(key, values); } /** * 增加元素的score值，并返回增加后的值 * * @param key * @param value * @param delta * @return */ public Double zIncrementScore(String key, String value, double delta) { return redisTemplate.opsForZSet().incrementScore(key, value, delta); } /** * 返回元素在集合的排名,有序集合是按照元素的score值由小到大排列 * * @param key * @param value * @return 0表示第一位 */ public Long zRank(String key, Object value) { return redisTemplate.opsForZSet().rank(key, value); } /** * 返回元素在集合的排名,按元素的score值由大到小排列 * * @param key * @param value * @return */ public Long zReverseRank(String key, Object value) { return redisTemplate.opsForZSet().reverseRank(key, value); } /** * 获取集合的元素, 从小到大排序 * * @param key * @param start 开始位置 * @param end 结束位置, -1查询所有 * @return */ public Set<String> zRange(String key, long start, long end) { return redisTemplate.opsForZSet().range(key, start, end); } /** * 获取集合元素, 并且把score值也获取 * * @param key * @param start * @param end * @return */ public Set<ZSetOperations.TypedTuple<String>> zRangeWithScores(String key, long start, long end) { return redisTemplate.opsForZSet().rangeWithScores(key, start, end); } /** * 根据Score值查询集合元素 * * @param key * @param min 最小值 * @param max 最大值 * @return */ public Set<String> zRangeByScore(String key, double min, double max) { return redisTemplate.opsForZSet().rangeByScore(key, min, max); } /** * 根据Score值查询集合元素, 从小到大排序 * * @param key * @param min 最小值 * @param max 最大值 * @return */ public Set<ZSetOperations.TypedTuple<String>> zRangeByScoreWithScores(String key, double min, double max) { return redisTemplate.opsForZSet().rangeByScoreWithScores(key, min, max); } /** * @param key * @param min * @param max * @param start * @param end * @return */ public Set<ZSetOperations.TypedTuple<String>> zRangeByScoreWithScores(String key, double min, double max, long start, long end) { return redisTemplate.opsForZSet().rangeByScoreWithScores(key, min, max, start, end); } /** * 获取集合的元素, 从大到小排序 * * @param key * @param start * @param end * @return */ public Set<String> zReverseRange(String key, long start, long end) { return redisTemplate.opsForZSet().reverseRange(key, start, end); } /** * 获取集合的元素, 从大到小排序, 并返回score值 * * @param key * @param start * @param end * @return */ public Set<ZSetOperations.TypedTuple<String>> zReverseRangeWithScores(String key, long start, long end) { return redisTemplate.opsForZSet().reverseRangeWithScores(key, start, end); } /** * 根据Score值查询集合元素, 从大到小排序 * * @param key * @param min * @param max * @return */ public Set<String> zReverseRangeByScore(String key, double min, double max) { return redisTemplate.opsForZSet().reverseRangeByScore(key, min, max); } /** * 根据Score值查询集合元素, 从大到小排序 * * @param key * @param min * @param max * @return */ public Set<ZSetOperations.TypedTuple<String>> zReverseRangeByScoreWithScores( String key, double min, double max) { return redisTemplate.opsForZSet().reverseRangeByScoreWithScores(key, min, max); } /** * @param key * @param min * @param max * @param start * @param end * @return */ public Set<String> zReverseRangeByScore(String key, double min, double max, long start, long end) { return redisTemplate.opsForZSet().reverseRangeByScore(key, min, max, start, end); } /** * 根据score值获取集合元素数量 * * @param key * @param min * @param max * @return */ public Long zCount(String key, double min, double max) { return redisTemplate.opsForZSet().count(key, min, max); } /** * 获取集合大小 * * @param key * @return */ public Long zSize(String key) { return redisTemplate.opsForZSet().size(key); } /** * 获取集合大小 * * @param key * @return */ public Long zZCard(String key) { return redisTemplate.opsForZSet().zCard(key); } /** * 获取集合中value元素的score值 * * @param key * @param value * @return */ public Double zScore(String key, Object value) { return redisTemplate.opsForZSet().score(key, value); } /** * 移除指定索引位置的成员 * * @param key * @param start * @param end * @return */ public Long zRemoveRange(String key, long start, long end) { return redisTemplate.opsForZSet().removeRange(key, start, end); } /** * 根据指定的score值的范围来移除成员 * * @param key * @param min * @param max * @return */ public Long zRemoveRangeByScore(String key, double min, double max) { return redisTemplate.opsForZSet().removeRangeByScore(key, min, max); } /** * 获取key和otherKey的并集并存储在destKey中 * * @param key * @param otherKey * @param destKey * @return */ public Long zUnionAndStore(String key, String otherKey, String destKey) { return redisTemplate.opsForZSet().unionAndStore(key, otherKey, destKey); } /** * @param key * @param otherKeys * @param destKey * @return */ public Long zUnionAndStore(String key, Collection<String> otherKeys, String destKey) { return redisTemplate.opsForZSet() .unionAndStore(key, otherKeys, destKey); } /** * 交集 * * @param key * @param otherKey * @param destKey * @return */ public Long zIntersectAndStore(String key, String otherKey, String destKey) { return redisTemplate.opsForZSet().intersectAndStore(key, otherKey, destKey); } /** * 交集 * * @param key * @param otherKeys * @param destKey * @return */ public Long zIntersectAndStore(String key, Collection<String> otherKeys, String destKey) { return redisTemplate.opsForZSet().intersectAndStore(key, otherKeys, destKey); } /** * @param key * @param options * @return */ public Cursor<ZSetOperations.TypedTuple<String>> zScan(String key, ScanOptions options) { return redisTemplate.opsForZSet().scan(key, options); } } package com.baba.security.common.utils; import java.util.Random; /** * @Author wulongbo * @Date 2021/10/25 15:54 * @Version 1.0 */ public class SaltUtils { /** * 生成salt的静态方法 */ public static String getSalt(int n) { char[] chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+".toCharArray(); int length = chars.length; StringBuffer sb = new StringBuffer(); for (int i = 0; i < n; i++) { char achar = chars[new Random().nextInt(length)]; sb.append(achar); } return sb.toString(); } public static void main(String[] args) { System.out.println(getSalt(8)); } } package com.baba.security.common.utils; import org.apache.commons.lang.StringUtils; import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.stereotype.Component; import java.util.Locale; /** * @Author wulongbo * @Date 2021/11/2 17:21 * @Version 1.0 */ @Component public class SpringUtils implements ApplicationContextAware { private static ApplicationContext applicationContext; // 设置上下文 @Override public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { if (SpringUtils.applicationContext == null) { SpringUtils.applicationContext = applicationContext; } } //获取上下文 public static ApplicationContext getApplicationContext() { return applicationContext; } // 通过名字获取上下文的Bean public static Object getBean(String name) { return getApplicationContext().getBean(name); } //通过类型获取上下文的bean public static <T> T getBean(Class<T> clazz) { return getApplicationContext().getBean(clazz); } public static <T> T getBean(String name, Class<T> clazz) { return getApplicationContext().getBean(name, clazz); } // 国际化使用 public static String getMessage(String key) { return applicationContext.getMessage(key, null, Locale.getDefault()); } // 获取当前环境 public static String[] getActiveProfiles() { return applicationContext.getEnvironment().getActiveProfiles(); } // 判断当前环境是否为test/local public static boolean isDevEnv() { String[] activeProfiles = getActiveProfiles(); if (activeProfiles.length < 1) { return false; } for (String activeProfile : activeProfiles) { if (StringUtils.equals(activeProfile, "dev")) { return true; } } return false; } } -
VO响应对象
package com.baba.security.common.vo; import com.baba.security.common.enums.ResultCode; import lombok.Data; /** * @Author wulongbo * @Date 2021/10/27 14:18 * @Version 1.0 */ @Data public class ResultVO<T> { /** * 状态码，比如1000代表响应成功 */ private int code; /** * 响应信息，用来说明响应情况 */ private String msg; /** * 响应的具体数据 */ private T data; public ResultVO(T data) { this(ResultCode.SUCCESS,data); } public ResultVO(ResultCode resultCode, T data) { this.code = resultCode.getCode(); this.msg = resultCode.getMessage(); this.data = data; } public ResultVO(ResultCode resultCode) { this.code = resultCode.getCode(); this.msg = resultCode.getMessage(); } }自此 common模块就写完成，后面我们来完成登录认证模块
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