WeChatウィジェットの登録--java

まず、アプレットのAppid、app secret、wxspSecret、ライセンス:authorization_を取得します.code
バックグラウンドjavaコード:

//          ：code，rawData，signature，encryptedData，iv
//         (            )  
String wxspAppid = "";  
//      app secret (            )   

String wxspSecret = "";  
//   （  ）  
String grant_type = "authorization_code";  

Map map = new HashMap(  );
System.out.println("       "+rawData);

JSONObject rawDataJson = JSON.parseObject( rawData );

System.out.println("  "+signature);

/*    code  sessionkey openid*/
//       
String params = "appid=" + wxspAppid + "&secret=" + wxspSecret + "&js_code=" + code + "&grant_type="  
		+ grant_type;  
String sr = HttpRequest.sendGet("https://api.weixin.qq.com/sns/jscode2session", params);
JSONObject SessionKeyOpenId = JSON.parseObject(sr);
System.out.println("post     SessionAndopenId="+SessionKeyOpenId);
Map myinfos = SessionKeyOpenId; 

//    ，      
if(SessionKeyOpenId.containsKey("errcode")){
	map.put("userInfo", SessionKeyOpenId);
	return map;
}
String openid = SessionKeyOpenId.getString("openid" );
String sessionKey = SessionKeyOpenId.getString( "session_key" );
System.out.println("openid="+openid+",session_key="+sessionKey);
//uuid    key
String skey = UUID.randomUUID().toString();
System.out.println("     skey"+skey);

/*       -- */

//   sessionKey oppenid      
map.put( "skey",skey );

/**
 *  encryptedData      AES  
 */
try {  
	String result = AesCbcUtil.decrypt(encryptedData, sessionKey, iv, "UTF-8");  
	if (null != result && result.length() > 0) {  
		map.put("status", 1);  
		map.put("msg", "    ");  

		JSONObject userInfoJSON = JSON.parseObject(result);  
		/*Map userInfo = new HashMap();  
		userInfo.put("openId", userInfoJSON.get("openId"));  
		userInfo.put("nickName", userInfoJSON.get("nickName"));  
		userInfo.put("gender", userInfoJSON.get("gender"));  
		userInfo.put("city", userInfoJSON.get("city"));  
		userInfo.put("province", userInfoJSON.get("province"));  
		userInfo.put("country", userInfoJSON.get("country"));  
		userInfo.put("avatarUrl", userInfoJSON.get("avatarUrl"));  
		//   unionId & openId;  
		userInfo.put("unionId", userInfoJSON.get("unionId"));*/
		map.put("userInfo", userInfoJSON);  
	} else {  
		map.put("status", 0);  
		map.put("msg", "    ");  
	}  
} catch (Exception e) {  
	e.printStackTrace();  
} 

/** 
 *    URL  GET      
 *  
 * @param url 
 *                 URL 
 * @param param 
 *                ，        name1=value1&name2=value2    。 
 * @return URL              
 */  
public static String sendGet(String url, String param) {  
	String result = "";  
	BufferedReader in = null;  
	try {  
		String urlNameString = url + "?" + param;  
		URL realUrl = new URL(urlNameString);  
		//    URL       
		URLConnection connection = realUrl.openConnection();  
		//            
		connection.setRequestProperty("accept", "*/*");  
		connection.setRequestProperty("connection", "Keep-Alive");  
		connection.setRequestProperty("user-agent",  
				"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");  
		//          
		connection.connect();  
		//            
		Map> map = connection.getHeaderFields();  
		//             
		for (String key : map.keySet()) {  
			System.out.println(key + "key:--------------->" + map.get(key));  
		}  
		//    BufferedReader      URL     
		in = new BufferedReader(new InputStreamReader(  
				connection.getInputStream()));  
		String line;  
		while ((line = in.readLine()) != null) {  
			result += line;  
		}  
	} catch (Exception e) {  
		System.out.println("  GET      ！" + e);  
		e.printStackTrace();  
	}  
	//   finally         
	finally {  
		try {  
			if (in != null) {  
				in.close();  
			}  
		} catch (Exception e2) {  
			e2.printStackTrace();  
		}  
	}  
	return result;  
}  

/**  
 *      
 *     URL   POST       
 *   
 * @param url  
 *                  URL  
 * @param param  
 *                ，        name1=value1&name2=value2    。  
 * @return               
 */  
public static String sendPost(String url, String param) {  
	PrintWriter out = null;  
	BufferedReader in = null;  
	String result = "";  
	try {  
		URL realUrl = new URL(url);  
		//    URL       
		URLConnection conn = realUrl.openConnection();  
		//            
		conn.setRequestProperty("accept", "*/*");  
		conn.setRequestProperty("connection", "Keep-Alive");  
		conn.setRequestProperty("user-agent",  
				"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");  
		//   POST            
		conn.setDoOutput(true);  
		conn.setDoInput(true);  
		//   URLConnection          
		out = new PrintWriter(conn.getOutputStream());  
		//         
		out.print(param);  
		// flush        
		out.flush();  
		//   BufferedReader      URL     
		in = new BufferedReader(  
				new InputStreamReader(conn.getInputStream()));  
		String line;  
		while ((line = in.readLine()) != null) {  
			result += line;  
		}  
	} catch (Exception e) {  
		System.out.println("   POST       ！"+e);  
		e.printStackTrace();  
	}  
	//  finally       、     
	finally{  
		try{  
			if(out!=null){  
				out.close();  
			}  
			if(in!=null){  
				in.close();  
			}  
		}  
		catch(IOException ex){  
			ex.printStackTrace();  
		}  
	}  
	return result;  
}