初始化git 基础代码
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<?xml version="1.0" encoding="UTF-8"?>
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<module version="4">
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<component name="FacetManager">
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<facet type="Spring" name="Spring">
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<configuration />
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</facet>
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</component>
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</module>
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>heima-leadnews-gateway</artifactId>
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<groupId>com.heima</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>heima-leadnews-wemedia-gateway</artifactId>
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<properties>
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<maven.compiler.source>8</maven.compiler.source>
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<maven.compiler.target>8</maven.compiler.target>
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</properties>
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</project>
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package com.heima.wemedia.gateway;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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@SpringBootApplication
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@EnableDiscoveryClient
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public class WemediaGatewayAplication {
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public static void main(String[] args) {
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SpringApplication.run(WemediaGatewayAplication.class,args);
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}
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}
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package com.heima.wemedia.gateway.filter;
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import com.heima.wemedia.gateway.util.AppJwtUtil;
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import io.jsonwebtoken.Claims;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang.StringUtils;
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import org.springframework.cloud.gateway.filter.GatewayFilterChain;
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import org.springframework.cloud.gateway.filter.GlobalFilter;
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import org.springframework.core.Ordered;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.server.reactive.ServerHttpRequest;
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import org.springframework.http.server.reactive.ServerHttpResponse;
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import org.springframework.stereotype.Component;
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import org.springframework.web.server.ServerWebExchange;
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import reactor.core.publisher.Mono;
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@Component
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@Slf4j
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public class AuthorizeFilter implements Ordered, GlobalFilter {
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
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//1.获取request和response对象
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ServerHttpRequest request = exchange.getRequest();
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ServerHttpResponse response = exchange.getResponse();
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//2.判断是否是登录
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if(request.getURI().getPath().contains("/login")){
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//放行
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return chain.filter(exchange);
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}
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//3.获取token
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String token = request.getHeaders().getFirst("token");
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//4.判断token是否存在
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if(StringUtils.isBlank(token)){
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response.setStatusCode(HttpStatus.UNAUTHORIZED);
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return response.setComplete();
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}
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//5.判断token是否有效
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try {
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Claims claimsBody = AppJwtUtil.getClaimsBody(token);
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//是否是过期
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int result = AppJwtUtil.verifyToken(claimsBody);
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if(result == 1 || result == 2){
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response.setStatusCode(HttpStatus.UNAUTHORIZED);
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return response.setComplete();
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}
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//获取用户信息
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Object userId = claimsBody.get("id");
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//存储header中
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ServerHttpRequest serverHttpRequest = request.mutate().headers(httpHeaders -> {
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httpHeaders.add("userId", userId + "");
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}).build();
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//重置请求
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exchange.mutate().request(serverHttpRequest);
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} catch (Exception e) {
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e.printStackTrace();
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}
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//6.放行
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return chain.filter(exchange);
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}
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/**
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* 优先级设置 值越小 优先级越高
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* @return
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*/
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@Override
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public int getOrder() {
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return 0;
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}
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}
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package com.heima.wemedia.gateway.util;
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import io.jsonwebtoken.*;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.SecretKeySpec;
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import java.util.*;
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public class AppJwtUtil {
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// TOKEN的有效期一天（S）
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private static final int TOKEN_TIME_OUT = 3_600;
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// 加密KEY
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private static final String TOKEN_ENCRY_KEY = "MDk4ZjZiY2Q0NjIxZDM3M2NhZGU0ZTgzMjYyN2I0ZjY";
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// 最小刷新间隔(S)
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private static final int REFRESH_TIME = 300;
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// 生产ID
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public static String getToken(Long id) {
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Map<String, Object> claimMaps = new HashMap<>();
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claimMaps.put("id", id);
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long currentTime = System.currentTimeMillis();
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return Jwts.builder()
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.setId(UUID.randomUUID().toString())
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.setIssuedAt(new Date(currentTime)) //签发时间
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.setSubject("system") //说明
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.setIssuer("heima") //签发者信息
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.setAudience("app") //接收用户
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.compressWith(CompressionCodecs.GZIP) //数据压缩方式
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.signWith(SignatureAlgorithm.HS512, generalKey()) //加密方式
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.setExpiration(new Date(currentTime + TOKEN_TIME_OUT * 1000)) //过期时间戳
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.addClaims(claimMaps) //cla信息
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.compact();
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}
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/**
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* 获取token中的claims信息
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*
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* @param token
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* @return
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*/
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private static Jws<Claims> getJws(String token) {
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return Jwts.parser()
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.setSigningKey(generalKey())
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.parseClaimsJws(token);
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}
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/**
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* 获取payload body信息
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*
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* @param token
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* @return
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*/
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public static Claims getClaimsBody(String token) throws ExpiredJwtException {
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return getJws(token).getBody();
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}
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/**
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* 获取hearder body信息
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*
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* @param token
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* @return
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*/
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public static JwsHeader getHeaderBody(String token) {
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return getJws(token).getHeader();
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}
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/**
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* 是否过期
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*
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* @param claims
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* @return -1：有效，0：有效，1：过期，2：过期
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*/
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public static int verifyToken(Claims claims) throws Exception {
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if (claims == null) {
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return 1;
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}
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claims.getExpiration().before(new Date());
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// 需要自动刷新TOKEN
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if ((claims.getExpiration().getTime() - System.currentTimeMillis()) > REFRESH_TIME * 1000) {
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return -1;
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} else {
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return 0;
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}
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}
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/**
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* 由字符串生成加密key
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*
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* @return
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*/
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public static SecretKey generalKey() {
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byte[] encodedKey = Base64.getEncoder().encode(TOKEN_ENCRY_KEY.getBytes());
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SecretKey key = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
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return key;
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}
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public static void main(String[] args) {
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/* Map map = new HashMap();
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map.put("id","11");*/
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System.out.println(AppJwtUtil.getToken(1102L));
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Jws<Claims> jws = AppJwtUtil.getJws("eyJhbGciOiJIUzUxMiIsInppcCI6IkdaSVAifQ.H4sIAAAAAAAAADWLQQqEMAwA_5KzhURNt_qb1KZYQSi0wi6Lf9942NsMw3zh6AVW2DYmDGl2WabkZgreCaM6VXzhFBfJMcMARTqsxIG9Z888QLui3e3Tup5Pb81013KKmVzJTGo11nf9n8v4nMUaEY73DzTabjmDAAAA.4SuqQ42IGqCgBai6qd4RaVpVxTlZIWC826QA9kLvt9d-yVUw82gU47HDaSfOzgAcloZedYNNpUcd18Ne8vvjQA");
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Claims claims = jws.getBody();
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System.out.println(claims.get("id"));
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}
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}
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@@ -0,0 +1,12 @@
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server:
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port: 51602
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spring:
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application:
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name: leadnews-wemedia-gateway
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cloud:
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nacos:
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discovery:
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server-addr: 192.168.200.130:8848
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config:
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server-addr: 192.168.200.130:8848
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file-extension: yml
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