初始化

xuekang

2024-05-10 806d4b0d8639b3b04c166cc60a69eb6f31d4e6aa

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package org.dromara.gateway.handler;
 
import org.dromara.gateway.utils.WebFluxUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.web.reactive.error.ErrorWebExceptionHandler;
import org.springframework.cloud.gateway.support.NotFoundException;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
 
/**
 * 网关统一异常处理
 *
 * @author ruoyi
 */
@Slf4j
@Order(-1)
@Configuration
public class GatewayExceptionHandler implements ErrorWebExceptionHandler {
 
    @Override
    public Mono<Void> handle(ServerWebExchange exchange, Throwable ex) {
        ServerHttpResponse response = exchange.getResponse();
 
        if (exchange.getResponse().isCommitted()) {
            return Mono.error(ex);
        }
 
        String msg;
 
        if (ex instanceof NotFoundException) {
            msg = "服务未找到";
        } else if (ex instanceof ResponseStatusException responseStatusException) {
            msg = responseStatusException.getMessage();
        } else {
            msg = "内部服务器错误";
        }
 
        log.error("[网关异常处理]请求路径:{},异常信息:{}", exchange.getRequest().getPath(), ex.getMessage());
 
        return WebFluxUtils.webFluxResponseWriter(response, msg);
    }
}