基于Spring Cloud的微服务架构

@20172••••SpringCloud•34Smallindependentcomponentwithwell-definedboundaries,thatisdoingonething,butdoingitwell5••Onlychangeforonereason•DoOneThing,DoItWell6BACDBAC••RESTful•GET•PUT•POST•DELETE••••RPCRMI•7•••••••API••8•••••9••••••••10••11••12SPRINGCLOUD20153SPRINGBOOTNetflixOSS13SPRINGCLOUD14API15•HTTP••HTTP•••16•••••••17•••18••NetflixRibbon••F5•LVS•Nginx•HAProxy•ELB19-NETFLIXRIBBON2021•NetflixEureka•REST••••Consul•hashicorp•REST•DNS•2223HYSTRIX••••Dashboard24•25•26HYSTRIXf27@ComponentpublicclassProcessing{@HystrixCommand(fallbackMethod=default)publicObjectdoIt(MapString,Objectargs){//dostuffthatmightfail...}publicObjectdefault(MapString,Objectargs){returnsomeUsefulDefaults;}}@ComponentpublicclassProcessing{@HystrixCommand(fallbackMethod=default)publicObjectdoIt(MapString,Objectargs){//dostuffthatmightfail...}publicObjectdefault(MapString,Objectargs){returnsomeUsefulDefaults;}}28SPRINGCLOUDCONFIGSERVER•GIT••PROPERTYYAML••BEANS•/POST/refresh29CONFIGSERVERRESTFULAPI/{application}/{profile}[/{label}]/{application}-{profile}.yml/{label}/{application}-{profile}.yml/{application}-{profile}.properties/{label}/{application}-{profile}.properties30CONFIGSERVERENDPOINTS31CONFIGSERVERENDPOINTS32CONFIGSERVERENDPOINTS33API34API•••PC•UI•API•API•••••UI35-ZUUL•••Eureka•36API37SPRINGCLOUDSLEUTH•Request•38SPRINGCLOUDSLEUTH•3940414243