java获得当前时间一小时前的时间，格式化成yyyy-MM-dd HH:mm:ss:SS

/**

* 获得当前时间一小时前的时间，格式化成yyyy-MM-dd HH:mm:ss:SS<br>

*

* @return 当前时间一小时前的时间

*/

public String getOneHoursAgoTime() {

String oneHoursAgoTime = "";

Calendar cal = Calendar.getInstance();

cal.set(Calendar.HOUR, 1);

oneHoursAgoTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SS")

.format(cal.getTime());

System.out.println("####getOneHoursAgoTime()-->oneHoursAgoTime:"

+ oneHoursAgoTime);

return oneHoursAgoTime;

}