base64加密解密实现方法
/** * Base64加密算法 * @param str * @return */ public static String base64Encode(String str) throws Exception { String retStr = ""; if(StringUtils.isBlank(str)) { return ""; } try{ //BASE64加密算法 BASE64Encoder base64 = new BASE64Encoder(); byte[] xmlStr = str.getBytes(); retStr = base64.encode(xmlStr); }catch(Exception e){ throw new RuntimeException("Base64编码 加密 失败!"); } return retStr; } /** * Base64解码算法 * @param str * @return */ public static String base64Decode(String str) throws Exception{ if(StringUtils.isBlank(str)) { return ""; } byte[] bt = null; String retStr = ""; try{ sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder(); bt = decoder.decodeBuffer(str); retStr = new String(bt); }catch(Exception e){ throw new RuntimeException("XML字符串Base64解码失败"); } return retStr; }