55. 上传文件(Web版)

作者: 厚土火焱 | 来源:发表于2017-09-18 00:22 被阅读197次

    实现一个简单的页面上传文件功能。
    单机测试,上传1G以上的MP4电影也没问题。如果是internet环境,你测试一下告我好了。呵呵!

    /**
    * MyFileUpload01
    * @Author:  Jian Junbo
    * @Email:   junbojian@qq.com
    * @Create:  2017/9/17 15:14
    * Copyright (c) 2017 Jian Junbo All rights reserved.
    *
    * Description:  简单的上传文件
    */
    package main
    
    import (
        "net/http"
        "fmt"
        "os"
        "io"
        "time"
        "path"
        "strconv"
    )
    
    func main() {
        http.HandleFunc("/", index)
        http.HandleFunc("/upload2", upload)
        err := http.ListenAndServe(":7373", nil)
        if err != nil{
            fmt.Println("服务器启动失败",err.Error())
            return
        }
    
    }
    func upload(writer http.ResponseWriter, request *http.Request) {
        request.ParseMultipartForm(32<<20)
        //接收客户端传来的文件 uploadfile 与客户端保持一致
        file, handler, err := request.FormFile("uploadfile")
        if err != nil{
            fmt.Println(err)
            return
        }
        defer file.Close()
        //上传的文件保存在ppp路径下
        ext := path.Ext(handler.Filename)       //获取文件后缀
        fileNewName := string(time.Now().Format("20060102150405"))+strconv.Itoa(time.Now().Nanosecond())+ext
    
        f, err := os.OpenFile("./ppp/"+fileNewName, os.O_WRONLY|os.O_CREATE, 0666)
        if err != nil{
            fmt.Println(err)
            return
        }
        defer f.Close()
    
        io.Copy(f, file)
    
        fmt.Fprintln(writer, "upload ok!"+fileNewName)
    }
    
    func index(writer http.ResponseWriter, request *http.Request) {
        writer.Write([]byte(tpl))
    }
    
    const tpl = `<html>
    <head>
    <title>上传文件</title>
    </head>
    <body>
    <form enctype="multipart/form-data" action="/upload2" method="post">
    <input type="file" name="uploadfile">
    <input type="hidden" name="token" value="{...{.}...}">
    <input type="submit" value="upload">
    </form>
    </body>
    </html>
    `
    

    相关文章

      网友评论

        本文标题:55. 上传文件(Web版)

        本文链接:https://www.haomeiwen.com/subject/cckvsxtx.html