标签:instanceof httpServletRequest return String SpringCloud blockException Sentinel
java -jar --add-exports=java.base/sun.net.util=ALL-UNNAMED .\sentinel-dashboard-1.8.4.jar --server.port=9090
注解支持 · alibaba/Sentinel Wiki · GitHub
introduction (sentinelguard.io)
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@RequestMapping(value = "exception") @SentinelResource(value = "resourceName", blockHandler = "blockHandler", fallback = "fallback") public String ex(Integer id, HttpServletRequest httpServletRequest){ if(id % 2 == 1) throw new RuntimeException(String.format("%s is odd", id)); return httpServletRequest.getRequestDispatcher("").toString(); } public String blockHandler(Integer id, HttpServletRequest httpServletRequest, BlockException blockException){ if(blockException instanceof FlowException){ return "FlowException"; } if(blockException instanceof DegradeException){ return "DegradeException"; } if(blockException instanceof ParamFlowException){ return "ParamFlowException"; } if(blockException instanceof SystemBlockException){ return "SystemBlockException"; } if(blockException instanceof AuthorityException){ return "AuthorityException"; } return "BlockException"; } public String fallback(Integer id, HttpServletRequest httpServletRequest, Throwable throwable){ return throwable.getMessage(); }
标签:instanceof,httpServletRequest,return,String,SpringCloud,blockException,Sentinel, 来源: https://www.cnblogs.com/dissipate/p/16226016.html
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