import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import javax.xml.ws.WebServiceException;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.LogManager;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
public class WechatUtils {
private static org.apache.log4j.Logger log = LogManager.getLogger(WechatUtils.class);
/**
* 获取请求用户信息的access_token
*
* @param code
* @return
* @throws Exception
*/
public static WechatAccessTokenModel getAccessToken(String code,String appid,String secret) throws Exception {
if (StringUtils.isBlank(code)) {
log.error("code is null");
throw new WebServiceException("code参数不对");
}
try {
String url = String.format("https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code",
appid, secret, code);
String accessTokenRes = HttpClientGetPostData.getInstance().getData(url);
return JsonUtils.jsonToPojo(accessTokenRes, WechatAccessTokenModel.class);
} catch (Exception e) {
log.error("fail to request wechat access token. [error={}]", e);
throw new WebServiceException("获取accessToken失败");
}
}
/************************************************************************************/
public static String SHA1(String decript) {
try {
MessageDigest digest = java.security.MessageDigest.getInstance("SHA-1");
digest.update(decript.getBytes());
byte messageDigest[] = digest.digest();
// Create Hex String
StringBuffer hexString = new StringBuffer();
// 字节数组转换为 十六进制 数
for (int i = 0; i < messageDigest.length; i++) {
String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
if (shaHex.length() < 2) {
hexString.append(0);
}
hexString.append(shaHex);
}
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return "";
}
public static String getTicket(String access_token) {
String ticket = null;
String url = String.format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=%s&type=jsapi", access_token);//这个url链接和参数不能变
try {
URL urlGet = new URL(url);
HttpURLConnection http = (HttpURLConnection) urlGet.openConnection();
http.setRequestMethod("GET"); // 必须是get方式请求
http.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
http.setDoOutput(true);
http.setDoInput(true);
System.setProperty("sun.net.client.defaultConnectTimeout", "30000");// 连接超时30秒
System.setProperty("sun.net.client.defaultReadTimeout", "30000"); // 读取超时30秒
http.connect();
InputStream is = http.getInputStream();
int size = is.available();
byte[] jsonBytes = new byte[size];
is.read(jsonBytes);
String message = new String(jsonBytes, "UTF-8");
JSONObject demoJson = JSONObject.parseObject(message);
System.out.println("JSON字符串："+demoJson);
ticket = demoJson.getString("ticket");
is.close();
} catch (Exception e) {
e.printStackTrace();
}
return ticket;
}
public static String getAccessToken(String appid,String secret) {
String access_token = "";
String grant_type = "client_credential";//获取access_token填写client_credential
//这个url链接地址和参数皆不能变
String url = String.format("https://api.weixin.qq.com/cgi-bin/token?grant_type=%s&appid=%s&secret=%s"
, grant_type,appid, secret);
try {
URL urlGet = new URL(url);
HttpURLConnection http = (HttpURLConnection) urlGet.openConnection();
http.setRequestMethod("GET"); // 必须是get方式请求
http.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
http.setDoOutput(true);
http.setDoInput(true);
System.setProperty("sun.net.client.defaultConnectTimeout", "30000");// 连接超时30秒
System.setProperty("sun.net.client.defaultReadTimeout", "30000"); // 读取超时30秒
http.connect();
InputStream is = http.getInputStream();
int size = is.available();
byte[] jsonBytes = new byte[size];
is.read(jsonBytes);
String message = new String(jsonBytes, "UTF-8");
JSONObject demoJson = JSON.parseObject(message);
System.out.println("JSON字符串："+message);
access_token = demoJson.getString("access_token");
is.close();
} catch (Exception e) {
e.printStackTrace();
}
return access_token;
}
}