DEMO: Mail/Send - 邮件发送
示例代码
依赖
import (
"bytes"
"crypto/md5"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"sort"
"strconv"
"strings"
"mime/multipart"
)
配置信息
const (
API = "https://api-v4.mysubmail.com/mail/send"
APPID = "10***"
APPKEY = "f8a5**********************778df"
FROM = "submail@submail.cn"
)
非加密代码示例
postdata := make(map[string]string)
postdata["appid"] = APPID
postdata["signature"] = APPKEY
postdata["from"] = FROM
postdata["from_name"] = "SUBMAIL"
postdata["subject"] = "来自 SUBMAIL 的端午祝福"
postdata["to"] = "514030829@qq.com"
postdata["html"] = "<body><h1>您好，祝您阖家欢乐，万事如意</h1></body>"
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
for key, val := range postdata {
_ = writer.WriteField(key, val)
}
//附件1
file1, _ := os.Open("/Users/duan/Desktop/12455.png")
defer file1.Close()
fromFile1, _ := writer.CreateFormFile("attachments[]", filepath.Base("/Users/duan/Desktop/12455.png"))
io.Copy(fromFile1, file1)
//附件2
file2, _ := os.Open("/Users/duan/Desktop/12345.png")
defer file2.Close()
fromFile2, _ := writer.CreateFormFile("attachments[]", filepath.Base("/Users/duan/Desktop/12345.png"))
io.Copy(fromFile2, file2)
contentType := writer.FormDataContentType()
writer.Close()
resp, _ := http.Post(API, contentType, body)
result, _ := ioutil.ReadAll(resp.Body)
fmt.Println(string(result))
加密代码示例
postdata := make(map[string]string)
postdata["appid"] = APPID
postdata["from"] = FROM
postdata["from_name"] = "SUBMAIL"
postdata["subject"] = "来自 SUBMAIL 的端午祝福"
postdata["to"] = "514030829@qq.com"
postdata["timestamp"] = ""
postdata["sign_type"] = "md5"
postdata["sign_version"] = "2"
//获取服务器时间戳，该时间戳为 UNIX 时间戳，也可以自己生成
q, _ := http.Get("https://api-v4.mysubmail.com/service/timestamp")
r, _ := ioutil.ReadAll(q.Body)
m := make(map[string]float64)
json.Unmarshal(r, &m)
postdata["timestamp"] = strconv.FormatFloat(m["timestamp"], 'f', -1, 64)
//签名加密
sign := make(map[string]string)
sign = postdata
keys := make([]string, 0, 32)
for key, _ := range sign {
keys = append(keys, key)
}
sort.Strings(keys)
sign_list := make([]string, 0, 32)
for _, key := range keys {
sign_list = append(sign_list, key+"="+sign[key])
}
sign_str := APPID + APPKEY + strings.Join(sign_list, "&") + APPID + APPKEY
mymd5 := md5.New()
io.WriteString(mymd5, sign_str)
postdata["signature"] = hex.EncodeToString(mymd5.Sum(nil))
postdata["html"] = "<body><h1>您好，祝您阖家欢乐，万事如意</h1></body>"
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
for key, val := range postdata {
_ = writer.WriteField(key, val)
}
//附件1
file1, _ := os.Open("/Users/duan/Desktop/12455.png")
defer file1.Close()
fromFile1, _ := writer.CreateFormFile("attachments[]", filepath.Base("/Users/duan/Desktop/12455.png"))
io.Copy(fromFile1, file1)
//附件2
file2, _ := os.Open("/Users/duan/Desktop/12345.png")
defer file2.Close()
fromFile2, _ := writer.CreateFormFile("attachments[]", filepath.Base("/Users/duan/Desktop/12345.png"))
io.Copy(fromFile2, file2)
contentType := writer.FormDataContentType()
writer.Close()
resp, _ := http.Post(API, contentType, body)
result, _ := ioutil.ReadAll(resp.Body)
fmt.Println(string(result))