日期处理

文章目录

// String -> Date
SimpleDateFormat.parse(String);

// Date -> String
SimpleDateFormat.format(date);

|Letter |Description |Examples|
|——|——|——|
|y |Year| 2013|
|M |Month| in year |July, 07, |
|d |Day | in month |1-31|
|E |Day |name in week |Friday, Sunday|
|a |Am/pm marker |AM, PM|
|H |Hour in day |0-23
|h |Hour in am/pm |1-12|
|m |Minute in hour |0-60|
|s |Second in minute |0-60|