1/**
2package main
3import (
4    "github.com/google/uuid"
5    "time"
6    "crypto/hmac"
7    "crypto/sha256"
8    "encoding/hex"
9)**/
10//AK，SK为接入时分配的APPID及秘钥，接入方根据实际情况改变取值 
11//重要：不要在客户端暴露SK，否则有信息泄露等一系列安全风险
12ak := "lf2a69d4dff7dc9f3a462719da8bb943";
13sk := "yf4xqjv0bspsrlzh2hq6yxibqauvaciq";
14//nonce跟据业务实际情况指定
15nonce := uuid.New().String()
16//时间戳为精确到秒，故JAVA需要转换
17timestamp := time.Now().Unix()
18signType := "HMAC-SHA256";
19contentMd5 := "57e37568a871d537d25cd19a9dc10cb7";
20//此种拼接效率效低，这里为了更好的展示，故采用字符串相加方式，业务式可根据自己的需求调整算法
21joinedString := ak + "&" + timestamp + "&" + nonce + "&" + signType + "&" + contentMd5
22
23//以sk为密钥进行hmac_sha256加密，业务方可自行选择类库，这里只列出一种方式
24keys := []byte(sk)
25h := hmac.New(sha256.New,keys)
26h.Write([]byte(joinedString))
27
28sign := hex.EncodeToString(h.Sum(nil))

1//AK，SK为接入时分配的APPID及秘钥，接入方根据实际情况改变取值 
2//重要：不要在客户端暴露SK，否则有信息泄露等一系列安全风险
3String ak = "lf2a69d4dff7dc9f3a462719da8bb943";
4String sk = "yf4xqjv0bspsrlzh2hq6yxibqauvaciq";
5//nonce跟据业务实际情况指定
6String nonce = UUIDGenerator.getUUID();
7
8String timestamp = String.valueOf(date.getTime()/1000);
9String signType = "HMAC-SHA256";
10String contentMd5 = "57e37568a871d537d25cd19a9dc10cb7";
11//此种拼接效率效低，这里为了更好的展示，故采用字符串相加方式，业务式可根据自己的需求调整算法
12String joinedString = ak + "&" + timestamp + "&" + nonce + "&" + signType + "&" + contentMd5
13
14//以sk为密钥进行hmac_sha256加密，业务方可自行选择类库，这里只列出一种方式
15ac sha256_HMAC = Mac.getInstance("HmacSHA256");
16SecretKeySpec secret_key = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "HmacSHA256");
17sha256_HMAC.init(sk);
18byte[] array = sha256_HMAC.doFinal(data.getBytes(StandardCharsets.UTF_8));
19StringBuilder sb = new StringBuilder();
20for (byte item : array) {
21    sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
22}
23String sign = sb.toString();

1//AK，SK为接入时分配的APPID及秘钥，接入方根据实际情况改变取值 
2//重要：不要在客户端暴露SK，否则有信息泄露等一系列安全风险
3$ak = "lf2a69d4dff7dc9f3a462719da8bb943";
4$sk = "yf4xqjv0bspsrlzh2hq6yxibqauvaciq";
5//nonce跟据业务实际情况指定
6$nonce = com_create_guid();
7$timestamp = time();
8$signType = "HMAC-SHA256";
9$contentMd5 = "57e37568a871d537d25cd19a9dc10cb7";
10$joinedString = $ak ."&" . $timestamp . "&" . $nonce . "&" . $signType . "&" . $contentMd5
11$sign =  hash_hmac('sha256',$joinedString, $sk);

1package main
2import (
3	"crypto/md5"
4	"encoding/hex"
5	"encoding/json"
6	"fmt"
7)
8
9type Content struct {
10    A string `json:"a"`
11    B int32 `json:"b"`
12    C string `json:"c"`
13}
14type Body struct {
15    BxeoContent Content `json:"bxeoContent"`
16}
17
18func main()  {
19    bodyArr := &Body{Content{A:"abc",B:123,C:"中文示例",}
20    //body 为请求body的内容 ，此时为{"bxeoContent":{"a":"abc","b":123,"c":"中文示例"}}
21    body, _ := json.Marshal(bodyArr)
22    //md5body为准备进行md5计算的内容
23    md5Body,_ := json.Marshal(bodyArr.BxeoContent)
24    //contentMd5为header中md5的值 
25    contentMd5 := md5.Sum(md5Body)
26}

1$arrParams = array();
2$arrParams['a'] = "abc";
3$arrParams['b'] = 123;
4$arrParams['c'] = "中文示例";
5$arrBody = array(
6    'bxeoContent' => $arrParams,
7);
8
9$body= json_encode($arrBody);
10$contentMd5 = md5(stripslashes(json_encode($arrParams, JSON_UNESCAPED_UNICODE)));