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这篇文章主要讲解了“SpringCloud Gateway里怎么给请求添加header信息”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“SpringCloud Gateway里怎么给请求添加header信息”吧！
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import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.security.core.context.ReactiveSecurityContextHolder;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
@Component
public class WebFluxUserRequestInfoFilter implements GlobalFilter {
private static final String ORG_CODE = "11000001";
private static final String CHANNEL_CODE = "WEBQHZX001";
private static final String HEADER_USER_INFO_ENCODE = "X-User-Info-Encode";
@Override
public Mono filter(ServerWebExchange exchange, GatewayFilterChain chain) {
return ReactiveSecurityContextHolder.getContext().map(SecurityContext::getAuthentication).map(authentication -> {
UserRequestInfo userInfo = new UserRequestInfo();
Object details = authentication.getDetails();
if(details instanceof JWTPlayload){
JWTPlayload jwtPlayload = (JWTPlayload) details;
String userId = jwtPlayload.getSub();
userInfo.setUserId(userId);
userInfo.setUserName(jwtPlayload.getCname());
}
return userInfo;
}).defaultIfEmpty(new UserRequestInfo()).flatMap(userInfo -> {
UserRequestInfoHolder.setInstance(userInfo);
String userInfoJson;
try {
String userInfoEncode = exchange.getRequest().getHeaders().getFirst(HEADER_USER_INFO_ENCODE);
if(!StringUtils.isEmpty(userInfoEncode) && "false".equalsIgnoreCase(userInfoEncode)){
userInfoJson = JsonUtils.object2Json(userInfo);
}else{
userInfoJson = URLEncoder.encode(JsonUtils.object2Json(userInfo), GlobalConstant.CHARSET);
}
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("URLEncoder.encode UserRequestInfo 失败");
}
ServerHttpRequest newRequest = exchange.getRequest().mutate()
.header(HeaderDefinition.USER_INFO, userInfoJson)
.build();
return chain.filter(exchange.mutate().request(newRequest).build());
});
}
} 感谢各位的阅读，以上就是“SpringCloud Gateway里怎么给请求添加header信息”的内容了，经过本文的学习后，相信大家对SpringCloud Gateway里怎么给请求添加header信息这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！
