위챗으로 openId 가져오기

2324 단어 위챗 공중번호


	@Value("${wechat.appId}")
	private String appId;
	@Value("${wechat.appSecret}")
	private String appSecret;


/**
	 *   code    openid
	 * 
	 * @param code
	 * @return
	 */
	public String getOpenid(String code) {
		try {
			String token_url = "https://api.weixin.qq.com/sns/oauth2/access_token";
			String params = "appid=" + appId + "&secret=" +appSecret + "&code=" + code + "&grant_type=authorization_code";
			String result = sendGet(token_url, params);
			JSONObject json = new JSONObject(result);
			Map map = new HashMap();
			if (json.has("openid")) {
				String openid = json.get("openid").toString();
				map.put("openid", openid);
				return write(200, "    ", "data", map);
			} else {
				return error(Integer.parseInt(json.get("errcode").toString()), "    :" + json.get("errmsg").toString());
			}
		} catch (Exception e) {
			error(e);
			return invalidUserException(e, -1, "    !");
		}
	}

/**
	 *    URL  GET     
	 *
	 * @param url
	 *                 URL
	 * @param param
	 *                ,        name1=value1&name2=value2    。
	 * @return URL             
	 */
	public  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();
			//    BufferedReader      URL   
			in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (Exception e2) {
				e2.printStackTrace();
			}
		}
		return result;
	}

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