GO 代码：
package main
import (
"fmt"
"html/template"
"io"
"log"
"net/http"
"os"
)
func saygo(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
t, _ := template.ParseFiles("form.html")
t.Execute(w, nil)
} else {
w.Header().Set("Content-Type", "text/html;charset=utf-8")
r.ParseMultipartForm(1024 * 1024)
file, handler, err := r.FormFile("uploadfile")
if err != nil {
fmt.Println(err)
return
}
defer file.Close()
fmt.Fprintf(w, "%v", handler.Header)
f, err := os.OpenFile("./"+handler.Filename, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
fmt.Println(err)
return
}
defer f.Close()
io.Copy(f, file)
fmt.Fprintf(w, "<br/>")
t, _ := template.ParseFiles("form.html")
t.Execute(w, nil)
}
}
func main() {
http.HandleFunc("/", saygo)
err := http.ListenAndServe(":9090", nil)
if err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
模板文件：
<html>
<head>
<title>上传文件</title>
</head>
<body>
<form enctype="multipart/form-data" action="" method="post">
文件:<input type="file" name="uploadfile"><br/>
<input type="submit" value="提交">
</form>
</body>
</html>
说明：仅是功能说明，不做于生产使用!
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