JAVA微信公衆番号(一)取得access_token
4218 ワード
1、アクセスの取得token access_tokenは公衆番号のグローバル唯一のインタフェース呼び出し証明書であり、公衆番号が各インタフェースを呼び出す際にaccessを使用する必要がある.token.開発者は適切に保存する必要がある.access_tokenのストレージは、少なくとも512文字の空間を保持する必要があります.
maven依存
package com.wx;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import org.junit.Test;
import com.common.weixin.utils.MyX509TrustManager;
import net.sf.json.JSONObject;
public class wxUtils {
/**
* appid、appsecret
*
*/
String appid ="wx33090a711ff23423";
String appsecret="7bde1203699c33566800base35fg567";
/**
* access_token
*/
@Test
public void getAccessToken() {
String URL="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appid
+"&secret="+appsecret;
JSONObject jsonObject = httpRequest(URL, "GET", null);
try {
if(jsonObject.getString("errcode")!=null){
}
}catch (Exception e) {
}
String access_token=jsonObject.getString("access_token");
}
public JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {
JSONObject jsonObject = null;
StringBuffer buffer = new StringBuffer();
try {
// SSLContext ,
TrustManager[] tm = { new MyX509TrustManager() };
SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
sslContext.init(null, tm, new java.security.SecureRandom());
// SSLContext SSLSocketFactory
SSLSocketFactory ssf = sslContext.getSocketFactory();
URL url = new URL(requestUrl);
HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();
httpUrlConn.setSSLSocketFactory(ssf);
httpUrlConn.setDoOutput(true);
httpUrlConn.setDoInput(true);
httpUrlConn.setUseCaches(false);
// (GET/POST)
httpUrlConn.setRequestMethod(requestMethod);
if ("GET".equalsIgnoreCase(requestMethod))
httpUrlConn.connect();
//
if (null != outputStr) {
OutputStream outputStream = httpUrlConn.getOutputStream();
// ,
outputStream.write(outputStr.getBytes("UTF-8"));
outputStream.close();
}
//
InputStream inputStream = httpUrlConn.getInputStream();
InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String str = null;
while ((str = bufferedReader.readLine()) != null) {
buffer.append(str);
}
bufferedReader.close();
inputStreamReader.close();
//
inputStream.close();
inputStream = null;
httpUrlConn.disconnect();
jsonObject = JSONObject.fromObject(buffer.toString());
} catch (ConnectException ce) {
} catch (Exception e) {
}
return jsonObject;
}
}
package com.common.weixin.utils;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
mport javax.net.ssl.X509TrustManager;
/**
* --
* @author m
*
*/
public class MyX509TrustManager implements X509TrustManager{
public MyX509TrustManager() {
// TODO Auto-generated constructor stub
}
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
}
@Override
public X509Certificate[] getAcceptedIssuers() {
// return new X509Certificate[0];
return null;
}
}
maven依存
net.sf.json-lib
json-lib
2.4
jdk15
junit
junit
4.11