package com.xjs; import com.alibaba.csp.sentinel.annotation.SentinelResource; import com.alibaba.csp.sentinel.slots.block.BlockException; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; /** * @author xiejs * @since 2022-05-31 */ @SpringBootApplication @RestController @RequestMapping("app") public class SentinelApplication { public static void main(String[] args) { SpringApplication.run(SentinelApplication.class, args); } @Value("${server.port}") private Integer port; @GetMapping @SentinelResource(value = "port", blockHandler = "handlePort", blockHandlerClass = SentinelHandler.class, fallback = "errorPost" ) public String port() { return port.toString(); } public String handlePort(BlockException e) { return "异常了啊"; } public String errorPost(BlockException e) { return "error了啊"; } }