package main

import (

    "encoding/json"

    "fmt"

    "io/ioutil"

    "net/http"

    "net/url"

    "os"

    "bufio"

    "io"

    "mime/multipart"

    "net/smtp"

)

type addfeature struct {

    subid int    `json:"subid"`

    file  []byte `json:"file"`

}

func AddTemplateWeb(addr string) {

    // 创建表单文件

    // CreateFormFile 用来创建表单，第一个参数是字段名，第二个参数是文件名

    var feat addfeature

    buf := new(bytes.Buffer)

    writer := multipart.NewWriter(buf)

    writer.WriteField("sublib", "")

    formFile, err := writer.CreateFormFile("file", "5.jpg")

    if err != nil {

        fmt.Println("Create form file failed: %s\n", err)

    }

    // 从文件读取数据，写入表单

    srcFile, err := os.Open("/home/wei/1.jpg")

    if err != nil {

        fmt.Println("%Open source file failed: s\n", err)

    }

    defer srcFile.Close()

    _, err = io.Copy(formFile, srcFile)

    if err != nil {

        fmt.Println("Write to form file falied: %s\n", err)

    }

    // 发送表单

    contentType := writer.FormDataContentType()

    writer.Close() // 发送之前必须调用Close()以写入结尾行

    re, err := http.Post(addr, contentType, buf)

    fmt.Println(re)

    return

}