From 518718d1e9bec1b467f48df51e994f1b7b392268 Mon Sep 17 00:00:00 2001
From: TastSong <tastsong@163.com>
Date: Fri, 16 Feb 2024 21:38:06 +0800
Subject: [PATCH] fix cors

---
 .../java/com/tastsong/crazycar/config/CORSFilter.java     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/CrazyCarServer/src/main/java/com/tastsong/crazycar/config/CORSFilter.java b/CrazyCarServer/src/main/java/com/tastsong/crazycar/config/CORSFilter.java
index 01c2a06b4..237ad1863 100644
--- a/CrazyCarServer/src/main/java/com/tastsong/crazycar/config/CORSFilter.java
+++ b/CrazyCarServer/src/main/java/com/tastsong/crazycar/config/CORSFilter.java
@@ -42,7 +42,13 @@ public void doFilter(ServletRequest servletRequest, ServletResponse servletRespo
             response.setHeader("Access-Control-Allow-Headers", "content-type, authorization");
             response.setHeader("Access-Control-Allow-Credentials", "true");
             response.setHeader("Access-Control-Max-Age", "3600");
-            filterChain.doFilter(servletRequest, servletResponse);
+            if ("OPTIONS".equalsIgnoreCase(request.getMethod())) {
+                // 对于OPTIONS预检请求直接返回204状态码，无需继续向下执行
+                response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+            } else {
+                // 对于非OPTIONS请求，让请求继续通过filter链条向下执行
+                filterChain.doFilter(servletRequest, servletResponse);
+            }
         } catch (Exception e) {
             log.info("missing Token，or interface error：{}", request.getRequestURI());
             response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);