| | |
| | | }
|
| | | return fileName.substring(separatorIndex + 1).toLowerCase();
|
| | | }
|
| | |
|
| | | /**
|
| | | * 获取文件类型
|
| | | * |
| | | * @param photoByte 文件字节码
|
| | | * @return 后缀(不含".")
|
| | | */
|
| | | public static String getFileExtendName(byte[] photoByte)
|
| | | {
|
| | | String strFileExtendName = "JPG";
|
| | | if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56)
|
| | | && ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97))
|
| | | {
|
| | | strFileExtendName = "GIF";
|
| | | }
|
| | | else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70))
|
| | | {
|
| | | strFileExtendName = "JPG";
|
| | | }
|
| | | else if ((photoByte[0] == 66) && (photoByte[1] == 77))
|
| | | {
|
| | | strFileExtendName = "BMP";
|
| | | }
|
| | | else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
|
| | | {
|
| | | strFileExtendName = "PNG";
|
| | | }
|
| | | return strFileExtendName;
|
| | | }
|
| | | } |