SpringCloud Alibaba nacos、sentinel、seata.zip

package com.psf.springcloud.Alibaba.controller; import com.alibaba.csp.sentinel.annotation.SentinelResource; import com.alibaba.csp.sentinel.slots.block.BlockException; import com.psf.springcloud.Alibaba.entity.CommonResult; import com.psf.springcloud.Alibaba.entity.User; import lombok.extern.slf4j.Slf4j; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.client.RestTemplate; import javax.annotation.Resource; /** * @ClassName： ConsumerController * @Auther: Administrator * @Date: 2020/6/29 13:57 * @return version 1.0 */ @RestController @Slf4j public class ConsumerController { public static final String SERVICE_URL="http://nacos-payment-provider"; @Resource private RestTemplate restTemplate; @RequestMapping("/consumer/fallback/{id}") @SentinelResource(value = "fallback",fallback = "handlerFallback",blockHandler = "handler", exceptionsToIgnore = IllegalArgumentException.class) public CommonResult<User> fallback(@PathVariable("id") Long id) { CommonResult<User> result = restTemplate.getForObject(SERVICE_URL + "/result/"+id, CommonResult.class,id); if (id == 4) { throw new IllegalArgumentException ("IllegalArgumentException,非法参数异常...."); }else if (result.getData() == null) { throw new NullPointerException ("NullPointerException,该ID没有对应记录,空指针异常"); } return result; } //fallback public CommonResult handlerFallback(@PathVariable Long id,Throwable e) { User payment = new User(id,"null"); return new CommonResult<>(444,"兜底异常handlerFallback,exception内容 "+e.getMessage(),payment); } //blockHandler public CommonResult handler(@PathVariable Long id, BlockException blockException) { User payment = new User(id,"null"); return new CommonResult<>(444,"被限速啦 "+blockException.getMessage(),payment); } }