JAVA-调用http链接

    /**
     * 调用链接
     * @param url  需要调用的http链接
     * @param request
     * @return
     * @throws Exception
     */
    public static String getData(String url, String request) {
        String charset = "UTF-8";
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        HttpURLConnection connect;
        String response = "";
        try {
            connect = (HttpURLConnection) (new URL(url).openConnection());
            connect.setRequestMethod("GET");
            connect.setDoOutput(true);
            connect.setConnectTimeout(1000 * 10);
            connect.setReadTimeout(1000 * 80);
            // 采用通用的URL百分号编码的数据MIME类型来传参和设置请求头
            connect.setRequestProperty("ContentType",  "application/x-www-form-urlencoded"); 
            connect.setDoInput(true);
            // 连接
            connect.connect();
            // 发送数据
            connect.getOutputStream().write(request.getBytes(charset));
            // 接收数据
            int responseCode = connect.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                InputStream in = connect.getInputStream();
                byte[] data = new byte[1024];
                int len = 0;
                while ((len = in.read(data, 0, data.length)) != -1) {
                    outStream.write(data, 0, len);
                }
                in.close();
            }
            // 关闭连接
            connect.disconnect();
            response = outStream.toString("UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return response;
    }