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抽离记录日志的逻辑到单独一个过滤器内

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TheWhiteDog9487
2025-08-13 16:31:26 +08:00
parent e72b31ed7a
commit 1103c4cfad
3 changed files with 31 additions and 11 deletions
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src/main/java/xyz/thewhitedog9487/WebAPI/Controller/Filter/LogClientInfo.java
+28
View File
@@ -0,0 +1,28 @@
package xyz.thewhitedog9487.WebAPI.Controller.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import java.io.IOException;
@Slf4j
@Component
public class LogClientInfo extends OncePerRequestFilter {
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
log.info("接收到对于{} {} 的请求", request.getMethod(), request.getRequestURL() + ( ( request.getQueryString() == null ) ? "" : "?" + request.getQueryString() ) );
log.info("请求ID：{}", request.getRequestId());
if (request.getHeader("CF-Connecting-IP".toLowerCase()) instanceof String IP) {
log.info("请求携带了CF-Connecting-IP头部，IP为：{}", IP); }
else if(request.getHeader("X-Forwarded-For".toLowerCase()) instanceof String IP) {
IP = IP.split(",")[0].trim();
log.info("请求携带了X-Forwarded-For头部，IP为：{}", IP); }
else {
log.info("请求未携带CF-Connecting-IP和X-Forwarded-For头部，HttpServletRequest获取到的IP为：{}", request.getRemoteAddr()); }
filterChain.doFilter(request, response); } }
src/main/java/xyz/thewhitedog9487/WebAPI/Controller/IP.java
+3 -6
View File
@@ -20,24 +20,21 @@ class IP {
ResponseEntity<String> GetIP(@RequestHeader Map<String, String> HttpHeader, HttpServletRequest Request) {
if (HttpHeader.get("CF-Connecting-IP".toLowerCase()) instanceof String IP) {
/*
↑ instanceof的模式变量一定非空
↑ instanceof的如果成功完成模式匹配，那么模式变量一定非空
相当于是：
if (HttpHeader.get("CF-Connecting-IP" != null) {
String IP = HttpHeader.get("CF-Connecting-IP");
}
*/
log.info("请求携带了CF-Connecting-IP头部，IP为：{}", IP);
return new ResponseEntity<>(IP,
MultiValueMap.fromSingleValue(Map.of("Content-Type", "text/plain;charset=UTF-8")),
HttpStatus.OK); }
else {
if (HttpHeader.get("X-Forwarded-For".toLowerCase()) instanceof String IP) {
else if (HttpHeader.get("X-Forwarded-For".toLowerCase()) instanceof String IP) {
IP = IP.split(",")[0].trim();
log.info("请求携带了X-Forwarded-For头部，IP为：{}", IP);
return new ResponseEntity<>(IP,
MultiValueMap.fromSingleValue(Map.of("Content-Type", "text/plain;charset=UTF-8")),
HttpStatus.OK); }
log.info("请求未携带CF-Connecting-IP和X-Forwarded-For头部，HttpServletRequest获取到的IP为：{}", Request.getRemoteAddr());
else {
return new ResponseEntity<>(Request.getRemoteAddr(),
MultiValueMap.fromSingleValue(Map.of("Content-Type", "text/plain;charset=UTF-8")),
HttpStatus.OK); }
src/main/java/xyz/thewhitedog9487/WebAPI/Controller/Message.java
-5
View File
@@ -10,7 +10,6 @@ import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.MissingRequestHeaderException;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.WebRequest;
import java.util.List;
import java.util.Map;
@@ -61,10 +60,6 @@ class Message {
@ExceptionHandler(MissingRequestHeaderException.class)
ResponseEntity<ResponseData> HandleMissingHeader(MissingRequestHeaderException Exception, HttpServletRequest Request) {
log.warn("请求缺少必要的头部信息：{}", Exception.getHeaderName());
if (Request.getHeader("CF-Connecting-IP") instanceof String IP) {
log.warn("请求携带了CF-Connecting-IP头部，IP：{}", IP);
} else {
log.warn("请求未携带CF-Connecting-IP头部，IP：{}", Request.getRemoteAddr()); }
return new ResponseEntity<>(new ResponseData(
HttpStatus.BAD_REQUEST.value(),
"请求缺少必要的头部信息",