/**
 * 微信证书内容
 */
	private byte [] certData;

	@Override
	public InputStream getCertStream() {
		try {
			// 读取绝对路径
			InputStream certStream = new FileInputStream("D:\\apiclient_cert.p12");
			ByteArrayOutputStream output = new ByteArrayOutputStream();
			byte[] buffer = new byte[4096];
			int n = 0;
			while (-1 != (n = certStream.read(buffer))) {
				output.write(buffer, 0, n);
			}
			certStream.close();
			this.certData = output.toByteArray();
			System.err.println(JSONObject.toJSONString(this.certData));
		} catch (Exception e) {
			e.printStackTrace();
		}

		return new ByteArrayInputStream(this.certData);
	}