1.new Data（）

SimpleDateFormat simpleFormat =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String datastring=si1.format(new Date()); //把獲取的時(shí)間轉(zhuǎn)換為date格式 Date insertDate=simpleFormat.parse(datastring);

免費(fèi)視頻教程推薦：java學(xué)習(xí)視頻

2.system獲取

long current=System.currentTimeMillis();//當(dāng)前時(shí)間毫秒數(shù)

3.日期類

		Calendar rightNow = Calendar.getInstance(); // 子類對(duì)象 		// 獲取年 		int year = rightNow.get(Calendar.YEAR); 		// 獲取月 		int month = rightNow.get(Calendar.MONTH); 		// 獲取日 		int date = rightNow.get(Calendar.DATE); 		// 獲取幾點(diǎn) 		int hour = rightNow.get(Calendar.HOUR_OF_DAY); 		// 獲取上午下午 		int moa = rightNow.get(Calendar.AM_PM); 		if (moa == 1) { 			System.out.println("下午"); 		} else { 			System.out.println("上午"); 		} 		System.out.println(year + "年" + (month + 1) + "月" + date + "日" + hour + "時(shí)"); 		rightNow.add(Calendar.YEAR, 5); 		rightNow.add(Calendar.DATE, -10); 		int year1 = rightNow.get(Calendar.YEAR); 		int date1 = rightNow.get(Calendar.DATE); 		System.out.println(year1 + "年" + (month + 1) + "月" + date1 + "日" + hour + "時(shí)");

相關(guān)文章教程推薦：java開發(fā)入門