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修正格式和注释

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TheWhiteDog9487
2025-08-13 16:38:56 +08:00
parent 1103c4cfad
commit 8f1be6ab72
2 changed files with 12 additions and 7 deletions
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src/main/java/xyz/thewhitedog9487/WebAPI/Controller/Filter/LogClientInfo.java
+8 -2
View File
@@ -18,9 +18,15 @@ public class LogClientInfo extends OncePerRequestFilter {
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) {
if ( request.getHeader("CF-Connecting-IP".toLowerCase() ) instanceof String IP ) {
/*
↑ 如果成功完成instanceof模式匹配，那么模式变量一定非空
相当于是：
if ( request.getHeader("CF-Connecting-IP".toLowerCase() ) != null ) {
String IP = request.getHeader( "CF-Connecting-IP".toLowerCase() ); }
*/
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) {
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 {
src/main/java/xyz/thewhitedog9487/WebAPI/Controller/IP.java
+4 -5
View File
@@ -18,13 +18,12 @@ import java.util.Map;
class IP {
@GetMapping("/ip")
ResponseEntity<String> GetIP(@RequestHeader Map<String, String> HttpHeader, HttpServletRequest Request) {
if (HttpHeader.get("CF-Connecting-IP".toLowerCase()) instanceof String IP) {
if ( HttpHeader.get("CF-Connecting-IP".toLowerCase() ) instanceof String IP) {
/*
↑ instanceof的如果成功完成模式匹配，那么模式变量一定非空
↑ 如果成功完成instanceof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");
}
if ( HttpHeader.get("CF-Connecting-IP".toLowerCase() ) != null ) {
String IP = HttpHeader.get( "CF-Connecting-IP".toLowerCase() ); }
*/
return new ResponseEntity<>(IP,
MultiValueMap.fromSingleValue(Map.of("Content-Type", "text/plain;charset=UTF-8")),