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Calendar---android 中系统日期时间的获取

2013-08-12 16:38 666 查看

[java]
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import java.text.SimpleDateFormat;

SimpleDateFormat formatter = new SimpleDateFormat ("yyyy年MM月dd日 HH:mm:ss ");
Date curDate = new Date(System.currentTimeMillis());//获取当前时间
String str = formatter.format(curDate);

[java] 
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SimpleDateFormat    sDateFormat    =   new    SimpleDateFormat("yyyy-MM-dd    hh:mm:ss");       
String    date    =    sDateFormat.format(new    java.util.Date());    

SimpleDateFormat    sDateFormat    =   new    SimpleDateFormat("yyyy-MM-dd    hh:mm:ss");     
String    date    =    sDateFormat.format(new    java.util.Date());

如果想获取当前的年月,则可以这样写(只获取时间或秒种一样):

Java代码

[java]
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SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM");
String date=sdf.format(new java.util.Date());

[java] 
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df=DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.FULL,Locale.CHINA);  
System.out.println(df.format(new Date()));  

df=DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.FULL,Locale.CHINA);
System.out.println(df.format(new Date()));

如何获取Android系统时间是24小时制还是12小时制

[java]
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ContentResolver cv = this.getContentResolver();
String strTimeFormat = android.provider.Settings.System.getString(cv,
android.provider.Settings.System.TIME_12_24);

if(strTimeFormat.equals("24"))
{
Log.i("activity","24");
}

[java] 
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Calendar c = Calendar.getInstance();  
取得系统日期:year = c.get(Calendar.YEAR)  
               month = c.grt(Calendar.MONTH)  
               day = c.get(Calendar.DAY_OF_MONTH)  
取得系统时间：hour = c.get(Calendar.HOUR_OF_DAY);  
                  minute = c.get(Calendar.MINUTE)  

Calendar c = Calendar.getInstance();
取得系统日期:year = c.get(Calendar.YEAR)
               month = c.grt(Calendar.MONTH)
               day = c.get(Calendar.DAY_OF_MONTH)
取得系统时间：hour = c.get(Calendar.HOUR_OF_DAY);
                  minute = c.get(Calendar.MINUTE)

利用Calendar获取

[java]
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Calendar c = Calendar.getInstance();
取得系统日期:year = c.get(Calendar.YEAR)
month = c.grt(Calendar.MONTH)
day = c.get(Calendar.DAY_OF_MONTH)
取得系统时间：hour = c.get(Calendar.HOUR_OF_DAY);
minute = c.get(Calendar.MINUTE)
Calendar c = Calendar.getInstance();
取得系统日期:year = c.get(Calendar.YEAR)
month = c.grt(Calendar.MONTH)
day = c.get(Calendar.DAY_OF_MONTH)
取得系统时间：hour = c.get(Calendar.HOUR_OF_DAY);
minute = c.get(Calendar.MINUTE)

[java] 
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Time t=new Time(); // or Time t=new Time("GMT+8"); 加上Time Zone资料。  
t.setToNow(); // 取得系统时间。   
int year = t.year;  
int month = t.month;  
int date = t.monthDay;  
int hour = t.hour; // 0-23  
int minute = t.minute;  
int second = t.second;  

Time t=new Time(); // or Time t=new Time("GMT+8"); 加上Time Zone资料。
t.setToNow(); // 取得系统时间。
int year = t.year;
int month = t.month;
int date = t.monthDay;
int hour = t.hour; // 0-23
int minute = t.minute;
int second = t.second;

唯一不足是取出时间只有24小时模式.

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