XAdES-BES 用于标记xml宽度XAdES-BES（XML高级电子签名）数字签名的实用程序类。 例 String xml = " 1 " ; XAdESSigner signer = new XAdESSigner ( " keystore.jks " , " password " , " selfsigned " ); String signed = signer . sign(xml); X509Certificate cert = signer . validate(signed)