Java 获取系统时间的方法
1.Date date=new Date();
SimpleDateFormat sdf=new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss);
System.out.println(sdf.format(day));
通过date来获取当前时间。
2.SimpleDateFormat sdf=new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss);
System.out.println(sdf.format(system.currentTimeMillis()));
通过System类中的currentTimeMillis方法来获取当前时间。
Date date =new Date();
SimpleDateFormat sim =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time =sim.format(date);
knowledge1.setCommittime(time);
service.addNewKnowLedge(knowledge1);
StringBuilder json = new StringBuilder("{success:true}");
this.setJsonStr(json.toString());
return SUCCESS;
String time =sim.format(date);
knowledge1.setCommittime(time);
service.addNewKnowLedge(knowledge1);
StringBuilder json = new StringBuilder("{success:true}");
this.setJsonStr(json.toString());
return SUCCESS;