1.SpringCloud之网关服务(gateway)
2.gatewayåzuulçåºå«ä¸èç³»
3.springbootcloud组件
4.市面八款低代码平台盘点
5.springcloud2022ï¼
SpringCloud之网关服务(gateway)
SpringCloud中的源码网关服务在架构设计中扮演着核心角色,它不仅起到了服务隔离和保护的分析作用,还提升了内部服务之间的源码通信效率。此外,分析网关还具备限流和权限验证的源码添加信息源码功能,有助于服务专注于核心业务。分析红警一源码例如,源码确保只有经过身份验证的分析用户才能进行下订单操作,并对系统访问进行流量控制。源码
要搭建一个网关项目,分析首先需要集成Eureka Discovery和Zuul路由组件。源码在入口类上添加@EnableZuulProxy注解,分析然后在配置文件中设置,源码源码熊游戏当访问统一通过/apigateway/product/和/apigateway/order/的分析形式,隐藏了实际服务的源码API路径,实现了对外的访问控制。
对于权限验证,码大亨源码可以通过实现ZuulFilter进行拦截,这里采用简单方式,通过字符串校验,但通常会结合Redis和ACL进行更复杂的数字墙源码安全管理。权限验证后,网关可以进行流量限流,利用Guava生成每秒的令牌作为访问凭证,确保系统的稳定运行。
为了验证这些功能,可以使用如JMeter的压力测试工具,对/apigateway/order/api/v1/order/saveforribbon接口进行模拟负载,以检验网关的性能和限流效果。对于SpringCloud的相关视频和源码,有兴趣的读者可以在评论区留言交流。
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importcom.netflix.hystrix.HystrixCommandGroupKey;
importcom.netflix.hystrix.HystrixCommandKey;
importcom.netflix.hystrix.HystrixCommandProperties;
importcom.netflix.hystrix.HystrixObservableCommand;
importcom.netflix.hystrix.exception.HystrixRuntimeException;
importorg.springframework.beans.factory.ObjectProvider;
importorg.springframework.cloud.gateway.filter.GatewayFilter;
importorg.springframework.cloud.gateway.filter.GatewayFilterChain;
importorg.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
importorg.springframework.cloud.gateway.support.ServerWebExchangeUtils;
importorg.springframework.cloud.gateway.support.TimeoutException;
importorg.springframework.core.annotation.AnnotatedElementUtils;
importorg.springframework.mand;
if(CollectionUtil.isNotEmpty(apiTimeoutList)){
//requestå¹é å±äºé£ç§æ¨¡å¼
ApiHystrixTimeoutapiHystrixTimeout=getApiHystrixTimeout(apiTimeoutList,path);command=newUnicornRouteHystrixCommand(config.getFallbackUri(),exchange,chain,initSetter(apiHystrixTimeout.getApiPattern(),apiHystrixTimeout.getTimeout()));}else{
command=newUnicornRouteHystrixCommand(config.getFallbackUri(),exchange,chain,initSetter(serviceId(exchange),null));
}
returncommand;
}/
***@paramapiTimeoutList*@parampath*@return*/privateApiHystrixTimeoutgetApiHystrixTimeout(ListapiTimeoutList,Stringpath){for(ApiHystrixTimeoutapiTimeoutPattern:apiTimeoutList){
if(this.antPathMatcher.match(apiTimeoutPattern.getApiPattern(),path)){
returnapiTimeoutPattern;
}}
ApiHystrixTimeoutapiHystrixTimeout=newApiHystrixTimeout();
apiHystrixTimeout.setApiPattern("default");
apiHystrixTimeout.timeout=null;
returnapiHystrixTimeout;
}@Override
publicGatewayFilterapply(Configconfig){return(exchange,chain)-{
UnicornRouteHystrixCommandcommand=initUnicornRouteHystrixCommand(exchange,chain,config);
returnMono.create(s-{Subscriptionsub=command.toObservable().subscribe(s::success,s::error,s::success);
s.onCancel(sub::unsubscribe);
}).onErrorResume((Function)throwable-{if(throwableinstanceofHystrixRuntimeException){
HystrixRuntimeExceptione=(HystrixRuntimeException)throwable;
HystrixRuntimeException.FailureTypefailureType=e.getFailureType();switch(failureType){caseTIMEOUT:
returnMono.error(newTimeoutException());
caseCOMMAND_EXCEPTION:{
Throwablecause=e.getCause();
if(causeinstanceofResponseStatusException||AnnotatedElementUtils.findMergedAnnotation(cause.getClass(),ResponseStatus.class)!=null){
returnMono.error(cause);
}}
default:
break;
}}