java时间处理

时间处理 输入yyyy-MM-dd HH:mm:ss格式的时间，根据当前时间判断，分别显示今天，昨天，前天。。。

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
 
public class Time {
 
public static void main(String[] args) {
String time = "2014-04-10 00:00:00";
System.out.println(Time.getAndroidTime(time));
}
 
public static String getAndroidTime(String time) {
String timeStr = "";
try{
Calendar calendar = Calendar.getInstance();
 
Calendar today = Calendar.getInstance(); // 今天
today.set(Calendar.YEAR, calendar.get(Calendar.YEAR));
today.set(Calendar.MONTH, calendar.get(Calendar.MONTH));
today.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH));
today.set(Calendar.HOUR_OF_DAY, 0);
today.set(Calendar.MINUTE, 0);
today.set(Calendar.SECOND, 0);
today.clear(Calendar.MILLISECOND);
 
Calendar yesterday = Calendar.getInstance(); // 昨天
yesterday.set(Calendar.YEAR, calendar.get(Calendar.YEAR));
yesterday.set(Calendar.MONTH, calendar.get(Calendar.MONTH));
yesterday.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) - 1);
yesterday.set(Calendar.HOUR_OF_DAY, 0);
yesterday.set(Calendar.MINUTE, 0);
yesterday.set(Calendar.SECOND, 0);
yesterday.clear(Calendar.MILLISECOND);
 
Calendar beforeYesterday = Calendar.getInstance(); // 前天
beforeYesterday.set(Calendar.YEAR, calendar.get(Calendar.YEAR));
beforeYesterday.set(Calendar.MONTH, calendar.get(Calendar.MONTH));
beforeYesterday.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) - 2);
beforeYesterday.set(Calendar.HOUR_OF_DAY, 0);
beforeYesterday.set(Calendar.MINUTE, 0);
beforeYesterday.set(Calendar.SECOND, 0);
beforeYesterday.clear(Calendar.MILLISECOND);
 
int day_of_week = 0;
Calendar monday = Calendar.getInstance();  //周一
day_of_week = monday.get(Calendar.DAY_OF_WEEK) - 1;
if (day_of_week == 0) {
day_of_week = 7;
}
monday.add(Calendar.DATE, -day_of_week + 1);
monday.set(Calendar.HOUR_OF_DAY, 0);
monday.set(Calendar.MINUTE, 0);
monday.set(Calendar.SECOND, 0);
monday.clear(Calendar.MILLISECOND);
 
Calendar sunday = Calendar.getInstance();  //周日
sunday.add(Calendar.DATE, -day_of_week + 7);
sunday.set(Calendar.HOUR_OF_DAY, 0);
sunday.set(Calendar.MINUTE, 0);
sunday.set(Calendar.SECOND, 0);
sunday.clear(Calendar.MILLISECOND);
 
Calendar year = Calendar.getInstance();  //今年的1月1日
year.set(Calendar.YEAR, calendar.get(Calendar.YEAR));
year.set(Calendar.MONTH, 0);
year.set(Calendar.DAY_OF_MONTH, 1);
year.set(Calendar.HOUR_OF_DAY, 0);
year.set(Calendar.MINUTE, 0);
year.set(Calendar.SECOND, 0);
year.clear(Calendar.MILLISECOND);
 
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = format.parse(time);
calendar.setTime(date);
String hourZoneCH = getHourZoneCH(date);
if(calendar.equals(today) || calendar.after(today)){
SimpleDateFormat todayFormat = new SimpleDateFormat("HH:mm");
timeStr = hourZoneCH + " " + todayFormat.format(date);
}else if(calendar.after(yesterday)){
timeStr = "昨天" + hourZoneCH;
}else if(calendar.after(beforeYesterday)){
timeStr = "前天" + hourZoneCH;
}else if(calendar.after(monday) && calendar.before(sunday)){
int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK) - 1;
String dayOfWeekCH = "";
if(dayOfWeek==1){
dayOfWeekCH = "一";
}else if(dayOfWeek==2){
dayOfWeekCH = "二";
}else if(dayOfWeek==3){
dayOfWeekCH = "三";
}else if(dayOfWeek==4){
dayOfWeekCH = "四";
}else if(dayOfWeek==5){
dayOfWeekCH = "五";
}else if(dayOfWeek==6){
dayOfWeekCH = "六";
}else{
dayOfWeekCH = "日";
}
timeStr = "周" + dayOfWeekCH + hourZoneCH;
}else if(calendar.after(year)){
SimpleDateFormat formatYear = new SimpleDateFormat("M月d日 HH:mm");
timeStr = formatYear.format(date);
}else{
SimpleDateFormat formatNotYear = new SimpleDateFormat("yyyy年M月d日 HH:mm");
timeStr = formatNotYear.format(date);
}
 
} catch (Exception e) {
timeStr = "时间格式不正确";
e.printStackTrace();
}
return timeStr;
}
 
public static String getHourZoneCH(Date date) {
if (date == null) {
return "时间为空";
}
 
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
 
Calendar oneHour = Calendar.getInstance();
oneHour.setTime(date);
oneHour.set(Calendar.HOUR_OF_DAY, 1);
oneHour.set(Calendar.MINUTE, 0);
oneHour.set(Calendar.SECOND, 0);
 
Calendar sixHour = Calendar.getInstance();
sixHour.setTime(date);
sixHour.set(Calendar.HOUR_OF_DAY, 6);
sixHour.set(Calendar.MINUTE, 0);
sixHour.set(Calendar.SECOND, 0);
 
Calendar elevenHour = Calendar.getInstance();
elevenHour.setTime(date);
elevenHour.set(Calendar.HOUR_OF_DAY, 11);
elevenHour.set(Calendar.MINUTE, 0);
elevenHour.set(Calendar.SECOND, 0);
 
Calendar thirteenHour = Calendar.getInstance();
thirteenHour.setTime(date);
thirteenHour.set(Calendar.HOUR_OF_DAY, 13);
thirteenHour.set(Calendar.MINUTE, 0);
thirteenHour.set(Calendar.SECOND, 0);
 
Calendar eighteenHour = Calendar.getInstance();
eighteenHour.setTime(date);
eighteenHour.set(Calendar.HOUR_OF_DAY, 18);
eighteenHour.set(Calendar.MINUTE, 0);
eighteenHour.set(Calendar.SECOND, 0);
 
Calendar nineteenHour = Calendar.getInstance();
nineteenHour.setTime(date);
nineteenHour.set(Calendar.HOUR_OF_DAY, 19);
nineteenHour.set(Calendar.MINUTE, 0);
nineteenHour.set(Calendar.SECOND, 0);
 
String hour = "傍晚";
if(calendar.before(oneHour)){
hour = "深夜";
}else if((calendar.before(sixHour) && calendar.after(oneHour)) || calendar.equals(oneHour)){
hour = "凌晨";
}else if((calendar.before(elevenHour) && calendar.after(sixHour)) || calendar.equals(sixHour)){
hour = "上午";
}else if(calendar.before(thirteenHour) && calendar.after(elevenHour) || calendar.equals(elevenHour)){
hour = "中午";
}else if(calendar.before(eighteenHour) && calendar.after(thirteenHour) || calendar.equals(thirteenHour)){
hour = "下午";
}else if(calendar.before(nineteenHour) && calendar.after(eighteenHour) || calendar.equals(eighteenHour)){
hour = "傍晚";
}else{
hour = "晚上";
}
return hour;
}
 
}