From fea726f2eda31676984d5d06af468257c018aba5 Mon Sep 17 00:00:00 2001
From: Amadeus <RealmeAmadeus@gmail.com>
Date: Sun, 5 May 2024 22:39:48 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B7=A8=E5=9F=9F=E6=89=8B=E5=8A=A8=E9=85=8D?=
 =?UTF-8?q?=E7=BD=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/example/filter/CorsFilter.java   | 32 +++++++++++++++++++
 src/main/java/com/example/utils/Const.java    |  3 ++
 src/main/resources/application.yaml           |  2 ++
 3 files changed, 37 insertions(+)
 create mode 100644 src/main/java/com/example/filter/CorsFilter.java

diff --git a/src/main/java/com/example/filter/CorsFilter.java b/src/main/java/com/example/filter/CorsFilter.java
new file mode 100644
index 0000000..485a312
--- /dev/null
+++ b/src/main/java/com/example/filter/CorsFilter.java
@@ -0,0 +1,32 @@
+package com.example.filter;
+
+import com.example.utils.Const;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpFilter;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+
+@Component
+@Order(Const.ORDER_CORS)
+public class CorsFilter  extends HttpFilter {
+    @Override
+    protected void doFilter(HttpServletRequest request,
+                            HttpServletResponse response,
+                            FilterChain chain) throws IOException, ServletException {
+        this.addCorsHeader(request , response);
+        chain.doFilter(request, response);
+    }
+
+    private void addCorsHeader(HttpServletRequest request,
+                               HttpServletResponse response){
+        response.addHeader("Access-Control-Allow-Origin" , request.getHeader("Origin"));
+        response.addHeader("Access-Control-Allow-Methods", "GET , POST , PUT, DELETE , OPTIONS");
+        response.addHeader("Access-Control-Allow-Headers", "Authorization , Content-Type ");
+    }
+}
diff --git a/src/main/java/com/example/utils/Const.java b/src/main/java/com/example/utils/Const.java
index 09193a8..1d743e2 100644
--- a/src/main/java/com/example/utils/Const.java
+++ b/src/main/java/com/example/utils/Const.java
@@ -2,4 +2,7 @@ package com.example.utils;
 
 public class Const {
     public static  final String JWT_BLACK_LIST = "jwt:blacklist:";
+
+    public static final int ORDER_CORS = -102;
+
 }
diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index 74f9ef0..b2617ed 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -1,6 +1,8 @@
 
 spring:
   security:
+    filter:
+      order: -100 #默认值为-100
     jwt:
       key: abcdefgh
       expire: 7