偶然用到TimeSpan，这里记录一下format参数，摘抄自 Microsoft Docs。
参数表格
The following table describes the custom date and time format specifiers.
| Format specifier | Description | Example |
|---|---|---|
| “d”, “%d” | The number of whole days in the time interval.More information: The “d” Custom Format Specifier. | new TimeSpan(6, 14, 32, 17, 685): %d –> “6” d\.hh\:mm –> “6.14:32” |
| “dd”-“dddddddd” | The number of whole days in the time interval, padded with leading zeros as needed.More information: The “dd”-“dddddddd” Custom Format Specifiers. | new TimeSpan(6, 14, 32, 17, 685): ddd –> “006” dd\.hh\:mm –> “06.14:32” |
| “h”, “%h” | The number of whole hours in the time interval that are not counted as part of days. Single-digit hours do not have a leading zero.More information: The “h” Custom Format Specifier. | new TimeSpan(6, 14, 32, 17, 685): %h –> “14” hh\:mm –> “14:32” |
| “hh” | The number of whole hours in the time interval that are not counted as part of days. Single-digit hours have a leading zero.More information: The “hh” Custom Format Specifier. | new TimeSpan(6, 14, 32, 17, 685): hh –> “14”new TimeSpan(6, 8, 32, 17, 685): hh –> 08 |
| “m”, “%m” | The number of whole minutes in the time interval that are not included as part of hours or days. Single-digit minutes do not have a leading zero.More information: The “m” Custom Format Specifier. | new TimeSpan(6, 14, 8, 17, 685): %m –> “8” h\:m –> “14:8” |
| “mm” | The number of whole minutes in the time interval that are not included as part of hours or days. Single-digit minutes have a leading zero.More information: The “mm” Custom Format Specifier. | new TimeSpan(6, 14, 8, 17, 685): mm –> “08”new TimeSpan(6, 8, 5, 17, 685): d\.hh\:mm\:ss –> 6.08:05:17 |
| “s”, “%s” | The number of whole seconds in the time interval that are not included as part of hours, days, or minutes. Single-digit seconds do not have a leading zero.More information: The “s” Custom Format Specifier. | TimeSpan.FromSeconds(12.965): %s –> 12 s\.fff –> 12.965 |
| “ss” | The number of whole seconds in the time interval that are not included as part of hours, days, or minutes. Single-digit seconds have a leading zero.More information: The “ss” Custom Format Specifier. | TimeSpan.FromSeconds(6.965): ss –> 06 ss\.fff –> 06.965 |
| “f”, “%f” | The tenths of a second in a time interval.More information: The “f” Custom Format Specifier. | TimeSpan.FromSeconds(6.895): f –> 8 ss\.f –> 06.8 |
| “ff” | The hundredths of a second in a time interval.More information: The “ff” Custom Format Specifier. | TimeSpan.FromSeconds(6.895): ff –> 89 ss\.ff –> 06.89 |
| “fff” | The milliseconds in a time interval.More information: The “fff” Custom Format Specifier. | TimeSpan.FromSeconds(6.895): fff –> 895 ss\.fff –> 06.895 |
| “ffff” | The ten-thousandths of a second in a time interval.More information: The “ffff” Custom Format Specifier. | TimeSpan.Parse(“0:0:6.8954321”): ffff –> 8954 ss\.ffff –> 06.8954 |
| “fffff” | The hundred-thousandths of a second in a time interval.More information: The “fffff” Custom Format Specifier. | TimeSpan.Parse(“0:0:6.8954321”): fffff –> 89543 ss\.fffff –> 06.89543 |
| “ffffff” | The millionths of a second in a time interval.More information: The “ffffff” Custom Format Specifier. | TimeSpan.Parse(“0:0:6.8954321”): ffffff –> 895432 ss\.ffffff –> 06.895432 |
| “fffffff” | The ten-millionths of a second (or the fractional ticks) in a time interval.More information: The “fffffff” Custom Format Specifier. | TimeSpan.Parse(“0:0:6.8954321”): fffffff –> 8954321 ss\.fffffff –> 06.8954321 |
| “F”, “%F” | The tenths of a second in a time interval. Nothing is displayed if the digit is zero.More information: The “F” Custom Format Specifier. | TimeSpan.Parse(“00:00:06.32”): %F: 3TimeSpan.Parse(“0:0:3.091”): ss\.F: 03. |
| “FF” | The hundredths of a second in a time interval. Any fractional trailing zeros or two zero digits are not included.More information: The “FF” Custom Format Specifier. | TimeSpan.Parse(“00:00:06.329”): FF: 32TimeSpan.Parse(“0:0:3.101”): ss\.FF: 03.1 |
| “FFF” | The milliseconds in a time interval. Any fractional trailing zeros are not included.More information: | TimeSpan.Parse(“00:00:06.3291”): FFF: 329TimeSpan.Parse(“0:0:3.1009”): ss\.FFF: 03.1 |
| “FFFF” | The ten-thousandths of a second in a time interval. Any fractional trailing zeros are not included.More information: The “FFFF” Custom Format Specifier. | TimeSpan.Parse(“00:00:06.32917”): FFFFF: 3291TimeSpan.Parse(“0:0:3.10009”): ss\.FFFF: 03.1 |
| “FFFFF” | The hundred-thousandths of a second in a time interval. Any fractional trailing zeros are not included.More information: The “FFFFF” Custom Format Specifier. | TimeSpan.Parse(“00:00:06.329179”): FFFFF: 32917TimeSpan.Parse(“0:0:3.100009”): ss\.FFFFF: 03.1 |
| “FFFFFF” | The millionths of a second in a time interval. Any fractional trailing zeros are not displayed.More information: The “FFFFFF” Custom Format Specifier. | TimeSpan.Parse(“00:00:06.3291791”): FFFFFF: 329179TimeSpan.Parse(“0:0:3.1000009”): ss\.FFFFFF: 03.1 |
| “FFFFFFF” | The ten-millions of a second in a time interval. Any fractional trailing zeros or seven zeros are not displayed.More information: The “FFFFFFF” Custom Format Specifier. | TimeSpan.Parse(“00:00:06.3291791”): FFFFFF: 3291791TimeSpan.Parse(“0:0:3.1900000”): ss\.FFFFFF: 03.19 |
| ‘string’ | Literal string delimiter.More information: Other Characters. | new TimeSpan(14, 32, 17): hh’:’mm’:’ss –> “14:32:17” |
| \ | The escape character.More information: Other Characters. | new TimeSpan(14, 32, 17): hh\:mm\:ss –> “14:32:17” |
| Any other character | Any other unescaped character is interpreted as a custom format specifier.More Information: Other Characters. | new TimeSpan(14, 32, 17): hh\:mm\:ss –> “14:32:17” |
