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January 2, 2025 00:18
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| package main | |
| import ( | |
| "fmt" | |
| "net/http" | |
| "os" | |
| "path/filepath" | |
| ) | |
| func main() { | |
| // Directory to save uploaded files | |
| uploadDir := "./uploads" | |
| err := os.MkdirAll(uploadDir, os.ModePerm) | |
| if err != nil { | |
| fmt.Printf("Error creating upload directory: %v\n", err) | |
| return | |
| } | |
| http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { | |
| // Serve the file upload form | |
| if r.Method == http.MethodGet { | |
| w.Header().Set("Content-Type", "text/html") | |
| fmt.Fprint(w, ` | |
| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <h2>Upload File</h2> | |
| <form enctype="multipart/form-data" method="post"> | |
| <input type="file" name="file" required> | |
| <button type="submit">Upload</button> | |
| </form> | |
| </body> | |
| </html> | |
| `) | |
| } else if r.Method == http.MethodPost { | |
| // Handle file upload | |
| file, header, err := r.FormFile("file") | |
| if err != nil { | |
| http.Error(w, fmt.Sprintf("Error reading file: %v", err), http.StatusInternalServerError) | |
| return | |
| } | |
| defer file.Close() | |
| outPath := filepath.Join(uploadDir, header.Filename) | |
| outFile, err := os.Create(outPath) | |
| if err != nil { | |
| http.Error(w, fmt.Sprintf("Error saving file: %v", err), http.StatusInternalServerError) | |
| return | |
| } | |
| defer outFile.Close() | |
| _, err = outFile.ReadFrom(file) | |
| if err != nil { | |
| http.Error(w, fmt.Sprintf("Error writing file: %v", err), http.StatusInternalServerError) | |
| return | |
| } | |
| fmt.Fprintf(w, "File uploaded successfully: %s", header.Filename) | |
| fmt.Printf("File saved to: %s\n", outPath) | |
| } | |
| }) | |
| // Start the server | |
| port := "8080" | |
| fmt.Printf("Server started at http://localhost:%s\n", port) | |
| err = http.ListenAndServe("0.0.0.0:"+port, nil) | |
| if err != nil { | |
| fmt.Printf("Error starting server: %v\n", err) | |
| } | |
| } |
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