二进制数据编码与字符串通过BASE64转换

public class Base64Util {
/**
* 将二进制数据编码为BASE64字符串
* @param binaryData
* @return
*/
public static String encode(byte[] binaryData) {
try {
return new String(Base64.encodeBase64(binaryData), "UTF-8");
} catch (UnsupportedEncodingException e) {
return null;
}
}

/**
* 将BASE64字符串恢复为二进制数据
* @param base64String
* @return
*/
public static byte[] decode(String base64String) {
try {
return Base64.decodeBase64(base64String.getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
return null;
}
}

}