修复:本地文件服务器 CORS 支持
问题: - 前端运行在 http://wails.localhost - 文件服务器运行在 http://localhost:18765 - 不同源导致 CORS 错误 修复: - asset_handler.go 添加 CORS 响应头 - 支持 OPTIONS 预检请求 - 允许所有源访问(本地文件服务器)
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@@ -67,6 +67,17 @@ func StartLocalFileServer() (string, error) {
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// handleLocalFileRequest 处理本地文件请求
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// handleLocalFileRequest 处理本地文件请求
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func handleLocalFileRequest(w http.ResponseWriter, r *http.Request) {
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func handleLocalFileRequest(w http.ResponseWriter, r *http.Request) {
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// CORS 头:允许所有源访问(因为这是本地文件服务器)
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "*")
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// 处理 OPTIONS 预检请求
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if r.Method == http.MethodOptions {
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w.WriteHeader(http.StatusOK)
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return
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}
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// 只处理 GET 请求
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// 只处理 GET 请求
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if r.Method != http.MethodGet {
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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