问java调用腾讯会议API总是报签名不对？

package com.newfortune.yx.admin.controller;

import java.io.BufferedReader;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.UnsupportedEncodingException;

import java.net.HttpURLConnection;

import java.net.URL;

import java.nio.charset.StandardCharsets;

import java.security.InvalidKeyException;

import java.security.NoSuchAlgorithmException;

import java.util.ArrayList;

import java.util.Base64;

import java.util.Calendar;

import java.util.Date;

import java.util.List;

import java.util.Map;

import java.util.Random;

import java.util.TreeMap;

import javax.crypto.Mac;

import javax.crypto.spec.SecretKeySpec;

import org.apache.http.HttpEntity;

import org.apache.http.NameValuePair;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.CloseableHttpResponse;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.StringEntity;

import org.apache.http.impl.client.CloseableHttpClient;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

import com.tencentcloudapi.wemeet.common.profile.HttpProfile;

import com.tencentcloudapi.wemeet.models.MeetingSetting;

import com.tencentcloudapi.wemeet.models.User;

import com.tencentcloudapi.wemeet.models.meeting.CreateMeetingRequest;

import net.sf.json.JSONObject;

public class test12 {

private static final String SECRET_ID = "nOIhd9JQeV5NmRTuKKVyiaDun889F1Gh";//自己的SecretId

private static final String SECRET_KEY = "U2HPAnTeK7mQ2zGmvr2vIAsPDIWBi5UXn2oZ6pu0mBxti06X";//自己的SecretKey

private static final String APP_ID="210648508";//自己的APPID

private static final String skid_ID="18510100782";

private static final String CONTENT_CHARSET = "UTF-8";

private static final String HMAC_ALGORITHM = "HmacSHA256";

private static char[] HEX_CHAR = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};

public static void main(String[] args) throws Exception {

TreeMap<String, String> params = new TreeMap<String, String>();

String secretId=SECRET_ID;

String secretKey=SECRET_KEY;

String timestamp=String.valueOf(System.currentTimeMillis()/1000);

String nonce=String.valueOf(new Random().nextInt(java.lang.Integer.MAX_VALUE));

// System.out.println("timestamp="+timestamp);

// System.out.println("nonce="+nonce);

String appId=APP_ID;

String method="POST";

String url="https://api.meeting.qq.com/v1/meetings/";

String meeting_id = "2296396612218194962";

String url2 = meeting_id + "/enroll/import";

url = url + url2 ;

String uri="/v1/meetings";

Date today= new Date();

Calendar c = Calendar.getInstance();

c.setTime(new Date());//今天

c.add(Calendar.DAY_OF_MONTH,1);

Date tomorrow=c.getTime();//明天

int createTime = getSecondTimestamp(today);

int end_time = getSecondTimestamp(tomorrow);

JSONObject requestParam = new JSONObject();

requestParam.put("operator_id", "62ae2a42e2a547bc9861bd8b8fabe080") ;

requestParam.put("operator_id_type", 1) ;

requestParam.put("instanceid", 1) ;

List<JSONObject> enroll_list = new ArrayList<>();

JSONObject paramInfo = new JSONObject();

paramInfo.put("userid", "Adminkai");

// paramInfo.put("area", "86");

// paramInfo.put("phone_number", "18579932745");

// paramInfo.put("nick_name", "一水");

enroll_list.add(paramInfo);

requestParam.put("enroll_list", enroll_list) ;

String req_body = requestParam.toString() ;

String mkString=httpSign(secretKey,method,secretId,nonce,timestamp,uri,req_body);

System.out.println("加密后密钥"+mkString);

requestPost(url,secretId,timestamp,nonce,appId,mkString,req_body,skid_ID);

}

public static String requestPost(String url,String secretId,String timestamp,String nonce,String appId,String mkString,String req_body,String skid_ID){

CloseableHttpClient httpClient = HttpClients.createDefault();

HttpPost httpPost = new HttpPost(url);

String jsonStr = "";

try {

httpPost.setHeader("X-TC-Key",secretId);

httpPost.setHeader("AppId", appId);

httpPost.setHeader("SdkId", skid_ID);//有就加,没有可以不加

httpPost.setHeader("X-TC-Nonce",nonce);

httpPost.setHeader("X-TC-Timestamp",timestamp);

httpPost.setHeader("X-TC-Signature", mkString);

httpPost.setHeader("content-type", "application/json");

httpPost.setHeader("X-TC-Registered", "1");

httpPost.setHeader("Body",req_body);

httpPost.setEntity(new StringEntity(req_body));

CloseableHttpResponse httpResponse = null;

httpResponse = httpClient.execute(httpPost);

HttpEntity httpEntity = httpResponse.getEntity();

if (httpEntity != null) {

jsonStr = EntityUtils.toString(httpEntity,"UTF-8");

}

System.out.println("返回信息"+jsonStr);

} catch (IOException e) {

}finally{

httpPost.releaseConnection();

try {

httpClient.close();

} catch (IOException e) {

}

}

return jsonStr;

}

public static int getSecondTimestamp(Date date){

if (null == date) {

return 0;

}

String timestamp = String.valueOf(date.getTime());

int length = timestamp.length();

if (length > 3) {

return Integer.valueOf(timestamp.substring(0,length-3));

} else {

return 0;

}

}

/**

* 生成签名，开发版本oracle jdk 1.8.0_221

* @param requestBody 请求体，没有的设为空串

* @return 签名，需要设置在请求头X-TC-Signature中

* @throws NoSuchAlgorithmException e

* @throws InvalidKeyException e

*/

public static String httpSign(String secret, String method, String key, String nonce, String timestamp, String uri,String requestBody)

throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeyException {

String sig="";

try{

String HTTPMethod =method;

String Headers ="X-TC-Key=" + key + "&X-TC-Nonce=" + nonce + "&X-TC-Timestamp=" + timestamp;

// String Headers ="X-TC-Nonce=" + nonce + "&X-TC-Timestamp=" + timestamp + "&X-TC-Key=" + key;

String URI=uri;

String Params=requestBody;

String tobeSig=HTTPMethod + "\n" + //POST, GET

Headers + "\n" +

URI + "\n" + //eg: https://api.meeting.qq.com/v1/meetings, URI=/v1/meetings

Params ;

Mac mac = Mac.getInstance(HMAC_ALGORITHM);

SecretKeySpec secretKeySpec = new SecretKeySpec(secret.getBytes(StandardCharsets.UTF_8), mac.getAlgorithm());

mac.init(secretKeySpec);

byte[] hash = mac.doFinal(tobeSig.getBytes(StandardCharsets.UTF_8));

String hexHash = bytesToHex(hash);

return new String(Base64.getEncoder().encode(hexHash.getBytes(StandardCharsets.UTF_8)));

}catch (Exception e){

e.printStackTrace();

}

return sig;

}

static String bytesToHex(byte[] bytes) {

char[] buf = new char[bytes.length * 2];

int index = 0;

for (byte b : bytes) {

buf[index++] = HEX_CHAR[b >>> 4 & 0xf];

buf[index++] = HEX_CHAR[b & 0xf];

}

return new String(buf);

}

public static String getUnicode(String s) {

try {

StringBuffer out = new StringBuffer("");

byte[] bytes = s.getBytes("unicode");

for (int i = 0; i < bytes.length - 1; i += 2) {

out.append("\\u");

String str = Integer.toHexString(bytes[i + 1] & 0xff);

for (int j = str.length(); j < 2; j++) {

out.append("0");

}

String str1 = Integer.toHexString(bytes[i] & 0xff);

out.append(str1);

out.append(str);

}

return out.toString();

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

return null;

}

}

}