关于 spring cloud alibaba 2.2.0 引入 sentinel 找不到 WebCallBackManager

最新推荐文章于 2023-08-24 22:26:03 发布

原创最新推荐文章于 2023-08-24 22:26:03 发布 · 911 阅读

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本文介绍如何在Spring Cloud Alibaba项目中配置Sentinel限流组件，并演示了自定义限流处理逻辑的方法。

        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
        </dependency>

        <dependency>
            <groupId>com.alibaba.csp</groupId>
            <artifactId>sentinel-web-servlet</artifactId>
        </dependency>

@Configuration
public class SentinelConfig {
    public SentinelConfig(){
        WebCallbackManager.setUrlBlockHandler(new UrlBlockHandler() {
            @Override
            public void blocked(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, BlockException e) throws IOException {
                R error = R.error(BizCodeEnum.TOO_MANY_REQUEST.getCode(), BizCodeEnum.TOO_MANY_REQUEST.getMsg());
                httpServletResponse.setCharacterEncoding("UTF-8");
                httpServletResponse.setContentType("application/json");
                httpServletResponse.getWriter().write(JSON.toJSONString(error));
            }
        });
    }
}