From b161c67b95f5461c58f75c2da2972ac4e268966a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E7=90=B3?= <wanglin@legu168.com>
Date: Wed, 25 Dec 2024 19:41:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20'src/main/java/com/lh/config'?=
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解决跨域问题
---
 src/main/java/com/lh/config/CORSFilter.java | 35 +++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/main/java/com/lh/config/CORSFilter.java

diff --git a/src/main/java/com/lh/config/CORSFilter.java b/src/main/java/com/lh/config/CORSFilter.java
new file mode 100644
index 0000000..0ad7139
--- /dev/null
+++ b/src/main/java/com/lh/config/CORSFilter.java
@@ -0,0 +1,35 @@
+package com.lh.config;
+
+import org.springframework.stereotype.Component;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@Component
+public class CORSFilter implements Filter {
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+            throws IOException, ServletException {
+        HttpServletResponse res = (HttpServletResponse) response;
+        res.addHeader("Access-Control-Allow-Credentials", "true");
+        res.addHeader("Access-Control-Allow-Origin", "*");
+        res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
+        res.addHeader("Access-Control-Allow-Headers", "*");
+        if (((HttpServletRequest) request).getMethod().equals("OPTIONS")) {
+            response.getWriter().println("ok");
+            return;
+        }
+        chain.doFilter(request, response);
+    }
+
+    @Override
+    public void destroy() {
+    }
+
+    @Override
+    public void init(FilterConfig filterConfig) {
+    }
+}
\ No newline at end of file