package?util;

/**
?*?base64?工具類
?*/
public?class?base64Util?{
????private?static?final?char?last2byte?=?（char）?Integer.parseInt（“00000011“?2）;
????private?static?final?char?last4byte?=?（char）?Integer.parseInt（“00001111“?2）;
????private?static?final?char?last6byte?=?（char）?Integer.parseInt（“00111111“?2）;
????private?static?final?char?lead6byte?=?（char）?Integer.parseInt（“11111100“?2）;
????private?static?final?char?lead4byte?=?（char）?Integer.parseInt（“11110000“?2）;
????private?static?final?char?lead2byte?=?（char）?Integer.parseInt（“11000000“?2）;
????private?static?final?char[]?encodeTable?=?new?char[]{‘A‘?‘B‘?‘C‘?‘D‘?‘E‘?‘F‘?‘G‘?‘H‘?‘I‘?‘J‘?‘K‘?‘L‘?‘M‘?‘N‘?‘O‘?‘P‘?‘Q‘?‘R‘?‘S‘?‘T‘?‘U‘?‘V‘?‘W‘?‘X‘?‘Y‘?‘Z‘?‘a(chǎn)‘?‘b‘?‘c‘?‘d‘?‘e‘?‘f‘?‘g‘?‘h‘?‘i‘?‘j‘?‘k‘?‘l‘?‘m‘?‘n‘?‘o‘?‘p‘?‘q‘?‘r‘?‘s‘?‘t‘?‘u‘?‘v‘?‘w‘?‘x‘?‘y‘?‘z‘?‘0‘?‘1‘?‘2‘?‘3‘?‘4‘?‘5‘?‘6‘?‘7‘?‘8‘?‘9‘?‘+‘?‘/‘};

????public?base64Util（）?{
????}

????public?static?String?encode（byte[]?from）?{
????????StringBuilder?to?=?new?StringBuilder（（int）?（（double）?from.length?*?1.34D）?+?3）;
????????int?num?=?0;
????????char?currentByte?=?0;

????????int?i;
????????for?（i?=?0;?i?????????????for?（num?%=?8;?num?????????????????switch?（num）?{
????????????????????case?0:
????????????????????????currentByte?=?（char）?（from[i]?&?lead6byte）;
????????????????????????currentByte?=?（char）?（currentByte?>>>?2）;
????????????????????case?1:
????????????????????case?3:
????????????????????case?5:
????????????????????default:
????????????????????????break;
????????????????????case?2:
????????????????????????currentByte?=?（char）?（from[i]?&?last6byte）;
????????????????????????break;
????????????????????case?4:
????????????????????????currentByte?=?（char）?（from[i]?&?last4byte）;
????????????????????????currentByte?=?（char）?（currentByte?<????????????????????????if?（i?+?1?????????????????????????????currentByte?=?（char）?（currentByte?|?（from[i?+?1]?&?lead2byte）?>>>?6）;
????????????????????????}
????????????????????????break;
????????????????????case?6:
????????????????????????currentByte?=?（char）?（from[i]?&?last2byte）;
????????????????????????currentByte?=?（char）?（currentByte?<????????????????????????if?（i?+?1?????????????????????????????currentByte?=?（char）?（currentByte?|?（from[i?+?1]?&?lead4byte）?>>>?4）;
????????????????????????}
????????????????}

????????????????to.append（encodeTable[currentByte]）;
????????????}
????????}

????????if?（to.length（）?%?4?!=?0）?{
????????????for?（i?=?4?-?to.length（）?%?4;?i?>?0;?--i）?{
????????????????to.append（“=“）;
????????????}
????????}

????????return?to.toString（）;
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\lib\
?????文件???????65886??2018-02-05?17:53??百度人臉識(shí)別\lib\aip-java-sdk-4.1.0.jar
?????文件??????210856??2018-02-05?17:53??百度人臉識(shí)別\lib\gson-2.3.1.jar
?????文件???????54495??2018-02-05?17:53??百度人臉識(shí)別\lib\json-20160810.jar
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\util\
?????文件????????2718??2018-02-05?17:53??百度人臉識(shí)別\util\base64Util.java
?????文件????????2152??2018-02-05?17:53??百度人臉識(shí)別\util\FileUtil.java
?????文件?????????710??2018-02-05?17:53??百度人臉識(shí)別\util\GsonUtils.java
?????文件????????2818??2018-02-05?17:53??百度人臉識(shí)別\util\HttpUtil.java
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\人臉對(duì)比\
?????文件????????1893??2018-02-05?17:53??百度人臉識(shí)別\人臉對(duì)比\FaceMatch.java
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\人臉庫(kù)管理\
?????文件????????2471??2018-02-05?17:53??百度人臉識(shí)別\人臉庫(kù)管理\FaceAdd.java
?????文件????????1506??2018-02-05?17:53??百度人臉識(shí)別\人臉庫(kù)管理\FaceDelete.java
?????文件????????1335??2018-02-05?17:53??百度人臉識(shí)別\人臉庫(kù)管理\FaceGet.java
?????文件????????2185??2018-02-05?17:53??百度人臉識(shí)別\人臉庫(kù)管理\FaceUpdate.java
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\人臉查找\
?????文件????????2065??2018-02-05?17:53??百度人臉識(shí)別\人臉查找\FaceVerify.java
?????文件????????2277??2018-02-05?17:53??百度人臉識(shí)別\人臉查找\Identify.java
?????文件????????1720??2018-02-05?17:53??百度人臉識(shí)別\人臉查找\Manyman.java
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\人臉識(shí)別\
?????文件????????7795??2018-02-05?17:53??百度人臉識(shí)別\人臉識(shí)別\FaceDetect.java
?????目錄???????????0??2018-02-05?18:13??百度人臉識(shí)別\獲取權(quán)限token\
?????文件????????3178??2018-02-05?18:11??百度人臉識(shí)別\獲取權(quán)限token\AuthService.java