修改

proxyserver/main.go

@@ -14,6 +14,20 @@ import (
 
 var Backends []*Backend
 
+func SetCors(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+	w.Header().Set("Access-Control-Allow-Headers", "*")
+	w.Header().Set("Access-Control-Expose-Headers", "*")
+	w.Header().Set("Access-Control-Allow-Credentials", "true")
+
+	// 如果请求方法为 OPTIONS，直接返回 200 状态码
+	if r.Method == "OPTIONS" {
+		w.WriteHeader(http.StatusOK)
+		return
+	}
+}
+
 func main() {
 	rootDir := "../server" // Change this to your root directory
 	vueBuild := "/home/eson/workspace/fusenpack-vue-created"
@@ -43,10 +57,8 @@ func main() {
 
 	// Define the static file server that serves the Vue dist folder
 	fs := http.FileServer(http.Dir(vueBuild))
-
-	// Define a handler function for the Vue static assets
-	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-
+	indexHtmlPath := vueBuild + "/index.html"
+	mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		var prefix string
 		idx := strings.Index(r.URL.Path[1:], "/")
 		if idx == -1 {
@@ -54,6 +66,7 @@ func main() {
 		} else {
 			prefix = r.URL.Path[:idx]
 		}
+
 		// log.Println(r.URL.Path, prefix)
 		if _, ok := allRoutes[prefix]; ok {
 			proxy := httputil.NewSingleHostReverseProxy(apiURL)
@@ -61,14 +74,14 @@ func main() {
 		} else {
 			// fs.ServeHTTP(w, r)
 			if strings.HasPrefix(prefix, "/type") {
-				http.ServeFile(w, r, vueBuild+"/index.html")
+				http.ServeFile(w, r, indexHtmlPath)
 			} else if strings.HasPrefix(prefix, "/dt-") {
-				http.ServeFile(w, r, vueBuild+"/index.html")
+				http.ServeFile(w, r, indexHtmlPath)
 			} else {
 				fs.ServeHTTP(w, r)
 			}
 		}
-	})
+	}))
 
 	ServerAddress := ":9900"
 	log.Println("listen on ", ServerAddress)
@@ -117,6 +130,8 @@ func NewBackend(mux *http.ServeMux, httpAddress string, muxPaths ...string) *Bac
 			return
 		}
 
+		hasBridge := strings.Contains(r.Header.Get("Access-Control-Request-Headers"), "bridge")
+
 		// 解析目标URL时已经包含了查询参数
 		targetURL.RawQuery = r.URL.RawQuery
 
@@ -151,6 +166,10 @@ func NewBackend(mux *http.ServeMux, httpAddress string, muxPaths ...string) *Bac
 			}
 		}
 
+		if hasBridge {
+			w.Header().Add("Access-Control-Allow-Headers", "Bridge")
+		}
+
 		// 转发目标服务器的响应状态码和主体
 		w.WriteHeader(resp.StatusCode)
 		_, err = io.Copy(w, resp.Body)