springboot整合sentinel,包含源码和控制台; 完整可以运行,亲测好使

package com.ttpw.example.sentineldemo.sentinel; import com.alibaba.csp.sentinel.Entry; import com.alibaba.csp.sentinel.SphU; import com.alibaba.csp.sentinel.annotation.SentinelResource; import com.alibaba.csp.sentinel.slots.block.BlockException; import lombok.extern.slf4j.Slf4j; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; /** * 定义限流的方法 * https://github.com/alibaba/Sentinel/wiki/%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8#%E5%AE%9A%E4%B9%89%E8%B5%84%E6%BA%90 * @Date 2023-6-20 * @Auther ljj */ @Slf4j @RestController public class TestController { /** * blockHandler 函数会在原方法被限流/降级/系统保护的时候调用 * @return */ @SentinelResource(value = "Sentinel_Cloud",blockHandler = "exceptionHandler") @GetMapping("/sentinelCloud") public String sentinelCloud(){ log.warn("=====sentinelCloud====="); //使用限流规则 return "Sentinel_Cloud,成功调用"; } @GetMapping("/testBlockMethod") public String testBlockMethod(){ String str="测试限流代码片段!"; try (Entry entry = SphU.entry("testBlockMethod")) { log.info("========testBlockMethod===被保护的业务逻辑========"); }catch (BlockException ex){ log.error(str+"资源访问阻止，被限流或被降级",ex); } return str; } /** * 定义降级 / 限流 的处理函数 * * @param exception * @return */ public String exceptionHandler(BlockException exception) { log.warn("exceptionHandler-Sentinel_Cloud,访问限流"); exception.printStackTrace(); return "Sentinel_Cloud,访问限流"; } }