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Gateway全局过滤器

Gateway全局过滤器_spring

代码地址

​​https://gitee.com/zjj19941/ZJJ_Neaten5.10/tree/master/ZJJ_Gateway/demo08​​

自定义token校验过滤器代码实现

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Optional;


@Component
@Order(-1)
@Slf4j
public class CheckAuthFilter implements GlobalFilter {
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
//校验请求头中的token
List<String> token = exchange.getRequest().getHeaders().get("token");

log.info("token的值是:" + token);
if (token.isEmpty()) {
return chain.filter(exchange);
}
// TODO token校验
return chain.filter(exchange);
}
}

测试

启动下面两个服务:
MallOrderApplication
MallGatewayApplication

然后postman发起请求

​​http://localhost:8888/order/demo01​​​Gateway全局过滤器_spring cloud_02

控制台输出:
Gateway全局过滤器_spring_03

此时就打印出来你访问接口的时候header里面的token的值了, 你就可以利用这个token的值去进行校验token是否合法.


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