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+---
+title: golang 阿里云发送短信 和 HMAC 加密
+date: 2020-07-08 13:00:00
+tags: Golang
+---
+
+## golang 阿里云发送短信 和 HMAC 加密
+
+```go
+package sendmsg
+
+import (
+    "bytes"
+    "crypto/hmac"
+    "crypto/sha1"
+    "encoding/base64"
+    "encoding/json"
+    "fmt"
+    "io/ioutil"
+    "net/http"
+    "net/url"
+    "strconv"
+    "strings"
+    "time"
+)
+
+const (
+    ak          = "xxxxxxx"
+    sk          = "xxxxxxx"
+    requestURL  = "http://dysmsapi.aliyuncs.com/?Signature="
+    actionStr   = "&Action=SendSms&Format=JSON&OutId=123"
+    dateStr     = "&Version=2017-05-25"
+    msgTemplete = "&SignatureVersion=1.0&TemplateCode=模板ID&TemplateParam="
+    singStr     = "&SignatureMethod=HMAC-SHA1&SignatureNonce="
+    singName    = "&RegionId=cn-hangzhou&SignName="
+    lianJIe     = "&"
+    signLinaJie = "GET&%2F&"
+)
+
+//SimpleMessage ...
+type SimpleMessage struct {
+    Message string `json:"Message"`
+    Code    string `json:"Code"`
+}
+
+//MessageContent ...
+type MessageContent struct {
+    Code string `json:"code"`
+}
+
+//SendMsg 发送短信
+func SendMsg(phone, msgJSON string) bool {
+    
+    body := "send msg"
+    content := url.QueryEscape(msgJSON)
+    signString := setQueryStr(phone, content, “skw493jei3j34ij34i”)
+    singstr := signLinaJie + url.QueryEscape(signString)
+    sign := hmac4Go(singstr, sk+lianJIe)
+    client := &http.Client{}
+    var req *http.Request
+    req, err = http.NewRequest("GET", requestURL+url.QueryEscape(sign)+lianJIe+signString, strings.NewReader(body))
+    var resp *http.Response
+    resp, err = client.Do(req)
+    if err != nil {
+        fmt.Println("http get error.", err)
+        return false
+    }
+    fmt.Println(resp.Body)
+    defer resp.Body.Close()
+    var bodys []byte
+    bodys, err = ioutil.ReadAll(resp.Body)
+    if err != nil {
+        fmt.Println("http  readAll body error ", err)
+        return false
+    }
+    fmt.Println(string(bodys))
+    var msg SimpleMessage
+    if len(bodys) > 0 {
+        err = json.Unmarshal(bodys, &msg)
+        if err != nil {
+            fmt.Println("http  json body error ", err)
+            return false
+        }
+        fmt.Println(msg)
+    }
+    if msg.Code == "OK" {
+        return true
+    }
+    return false
+}
+
+//setQueryStr 设置查询请求
+func setQueryStr(phone, content string, id int64) string {
+    var cstZone = time.FixedZone("GMT", 0)
+    keyTime := time.Now().In(cstZone).Format("2006-01-02T15:04:05Z")
+    singNameS := url.QueryEscape("SignName")
+    buf := bytes.Buffer{}
+    buf.WriteString("AccessKeyId=")
+    buf.WriteString(ak)
+    buf.WriteString(actionStr)
+    buf.WriteString("&PhoneNumbers=")
+    buf.WriteString(phone + singName + singNameS + singStr)
+    buf.WriteString(strconv.FormatInt(id, 10) + msgTemplete + content)
+    buf.WriteString("&Timestamp=" + url.QueryEscape(keyTime) + dateStr)
+    signString := buf.String()
+    return signString
+}
+
+//hmac4Go 加密
+func hmac4Go(name, sk string) string {
+    mac := hmac.New(sha1.New, []byte(sk))
+    mac.Write([]byte(name))
+    encodeString := base64.StdEncoding.EncodeToString(mac.Sum(nil))
+    return encodeString
+}
+
+```