/
serverfile.go
79 lines (70 loc) · 1.68 KB
/
serverfile.go
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package main
import (
"fmt"
"io"
"mime/multipart"
"net/http"
"os"
"strconv"
)
func SaveFile(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
w.Write([]byte("the method must be POST"))
return
}
var (
status int
err error
)
defer func() {
if nil != err {
http.Error(w, err.Error(), status)
}
}()
// parse request
const _24K = (1 << 20) * 24
if err = req.ParseMultipartForm(_24K); nil != err {
status = http.StatusInternalServerError
fmt.Println("Parse MultipartForm failed")
return
}
if req.MultipartForm == nil {
fmt.Println("MultipartForm is null")
status = http.StatusInternalServerError
return
} else if req.MultipartForm.File == nil {
fmt.Println("MultipartForm.File is null")
status = http.StatusInternalServerError
return
}
for name, fileHeaders := range req.MultipartForm.File {
fmt.Println(name)
for _, fileHeader := range fileHeaders {
var infile multipart.File
if infile, err = fileHeader.Open(); err != nil {
status = http.StatusInternalServerError
return
}
defer infile.Close()
//创建文件用来存储
var outfile *os.File
if outfile, err = os.Create(fileHeader.Filename); err != nil {
status = http.StatusInternalServerError
return
}
defer outfile.Close()
var written int64
if written, err = io.Copy(outfile, infile); err != nil {
status = http.StatusInternalServerError
return
}
w.Write([]byte("上传文件:" + fileHeader.Filename + ";长度:" + strconv.Itoa(int(written))))
}
}
filename := req.URL.Query()["filename"][0]
w.Write([]byte("hello " + filename))
}
func main() {
http.HandleFunc("/file", SaveFile)
http.ListenAndServe(":8080", nil)
}