微信平台上传多媒体和获取ACCESS_TOKEN

package com.chinasofti.upload.image; 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 net.sf.json.JSONException; import net.sf.json.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class HttpTest { public static Logger log=LoggerFactory.getLogger(HttpTest.class); /** * 发起https请求并获取结果 * * @param requestUrl 请求地址 * @param requestMethod 请求方式（GET、POST） * @param outputStr 提交的数据 * @return JSOMObject(通过JSONObject.get(key)的方式获取json对象的属性值) */ public static JSONObject httpRequst (String requestUrl,String requetMethod,String outputStr) { JSONObject jsonobject=null; StringBuffer buffer=new StringBuffer(); try { //创建SSLContext对象，并使用我们指定的新人管理器初始化 TrustManager[] tm={new MyX509TrustManager()}; SSLContext sslcontext=SSLContext.getInstance("SSL","SunJSSE"); sslcontext.init(null, tm, new java.security.SecureRandom()); //从上述SSLContext对象中得到SSLSocktFactory对象 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); //设置请求方式（GET/POST） httpUrlConn.setRequestMethod(requetMethod); if("GET".equalsIgnoreCase(requetMethod)) httpUrlConn.connect(); //当有数据需要提交时 if(null!=outputStr) { OutputStream outputStream=httpUrlConn.getOutputStream(); //注意编码格式，防止中文乱码 outputStream.write(outputStr.getBytes("UTF-8")); outputStream.close(); } //将返回的输入流转换成字符串 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(); //释放资源 inputStream.close(); inputStream=null; httpUrlConn.disconnect(); jsonobject=JSONObject.fromObject(buffer.toString()); } catch (ConnectException ce) { // TODO: handle exception log.error("Weixin server connection timed out."); } catch (Exception e) { log.error("https request error:{}", e); } return jsonobject; } //获取access_token的接口地址（GET） 限200（次/天） public final static String access_token_url="https://api.weixin.qq.com/cgi-bin/token?" + "grant_type=client_credential&appid=APPID&secret=APPSECRET"; /** * 获取access_token * * @param appid 凭证 * @param appsecret 密钥 * @return * @throws JSONException */ public static AccessToken getaAccessToken(String appid,String appsecret) { AccessToken accessToken=null; String requestUrl=access_token_url.replace("APPID", appid).replace("APPSECRET", appsecret); JSONObject jsonObject=httpRequst(requestUrl, "GET", null); //如果请求成功 if(null !=jsonObject) { try { accessToken=new AccessToken(); accessToken.setToken(jsonObject.getString("access_token")); accessToken.setExpiresIn(jsonObject.getInt("expires_in")); System.out.println("OK"); log.info("获取token成功 access_token:{} expires_in:{}", jsonObject.getString("access_token"),jsonObject.getInt("expires_in")); } catch(JSONException e) { accessToken=null; //获取token失败 log.error("获取token失败 errcode:{} errmsg:{}", jsonObject.getInt("errcode"),jsonObject.getString("errmsg")); } } return accessToken; } public static void main(String[] args) { String appid="**************"; String appsecret="*************"; HttpTest httptest=new HttpTest(); AccessToken result=null; result=httptest.getaAccessToken(appid, appsecret); } }