| | |
| | | */ |
| | | public static final SimpleDateFormat YMD_HM_FORMAT = new SimpleDateFormat("yyyyMMdd_HHmm"); |
| | | |
| | | public static final double D1024 = 1024.0; |
| | | |
| | | /** |
| | | * 判断字符串,是否为数字 |
| | | */ |
| | |
| | | } |
| | | |
| | | /** |
| | | * 字节单位换算 |
| | | * 获取日期格式化4:yyyyMMdd_HHmm |
| | | */ |
| | | public static String formatByte(long byteNumber) { |
| | | double kbNumber = byteNumber / D1024; |
| | | if (kbNumber < D1024) { |
| | | return new DecimalFormat("#.##KB").format(kbNumber); |
| | | } |
| | | double mbNumber = kbNumber / D1024; |
| | | if (mbNumber < D1024) { |
| | | return new DecimalFormat("#.##MB").format(mbNumber); |
| | | } |
| | | double gbNumber = mbNumber / D1024; |
| | | if (gbNumber < D1024) { |
| | | return new DecimalFormat("#.##GB").format(gbNumber); |
| | | } |
| | | double tbNumber = gbNumber / D1024; |
| | | |
| | | return new DecimalFormat("#.##TB").format(tbNumber); |
| | | public static String getDateFormat4() { |
| | | return YMD_HM_FORMAT.format(new Date()); |
| | | } |
| | | } |