GO 언어 파일 업로드 코드 공유 실현

 
  
 package main 
  
 import ( 
  
     "fmt" 
  
     "io" 
  
     "net/http" 
  
     "os" 
  
 ) 
  
 const ( 
  
     upload_path string = "./upload/" 
  
 ) 
  
 func helloHandle(w http.ResponseWriter, r *http.Request) { 
  
     io.WriteString(w, "hello world!") 
  
 } 
  
 //   
  
 func uploadHandle(w http.ResponseWriter, r *http.Request) { 
  
     //          
  
     if r.Method == "GET" { 
  
         io.WriteString(w, "
    
") 
  
     } else { 
  
         //             
  
         file, head, err := r.FormFile("file") 
  
         if err != nil { 
  
             fmt.Println(err) 
  
             return 
  
         } 
  
         defer file.Close() 
  
         //     
  
         fW, err := os.Create(upload_path + head.Filename) 
  
         if err != nil { 
  
             fmt.Println("      ") 
  
             return 
  
         } 
  
         defer fW.Close() 
  
         _, err = io.Copy(fW, file) 
  
         if err != nil { 
  
             fmt.Println("      ") 
  
             return 
  
         } 
  
         //io.WriteString(w, head.Filename+"     ") 
  
         http.Redirect(w, r, "/hello", http.StatusFound) 
  
         //io.WriteString(w, head.Filename) 
  
     } 
  
 } 
  
 func main() { 
  
     //    http     
  
     http.HandleFunc("/hello", helloHandle) 
  
     //   
  
     http.HandleFunc("/image", uploadHandle) 
  
     err := http.ListenAndServe(":8080", nil) 
  
     if err != nil { 
  
         fmt.Println("       ") 
  
         return 
  
     } 
  
     fmt.Println("       ") 
  
 }