fix:设置跨域

src/main/java/com/kwan/springbootkwan/controller/VueChatController.java

@@ -6,7 +6,6 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.kwan.springbootkwan.entity.Result;
 import com.kwan.springbootkwan.entity.VueChat;
 import com.kwan.springbootkwan.service.VueChatService;
-import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -29,7 +28,6 @@ import java.util.List;
  */
 @RestController
 @RequestMapping("vueChat")
-@CrossOrigin(origins = "http://localhost:8080")
 public class VueChatController {
     /**
      * 服务对象

src/main/java/com/kwan/springbootkwan/filter/CorsFilter.java

+package com.kwan.springbootkwan.filter;
+
+import org.springframework.stereotype.Component;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+
+/**
+ * 跨域配置
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2023/7/9 22:54
+ */
+@Component
+public class CorsFilter implements Filter {
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+            throws IOException, ServletException {
+        HttpServletResponse httpResponse = (HttpServletResponse) response;
+        httpResponse.setHeader("Access-Control-Allow-Origin", "*");
+        httpResponse.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
+        httpResponse.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
+        httpResponse.setHeader("Access-Control-Allow-Credentials", "true");
+
+        chain.doFilter(request, response);
+    }
+}