import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class Test {
private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
private static SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
public static void main(String[] args) throws Exception {
//Date1.after(Date2),当Date1大于Date2时，返回TRUE，当小于等于时，返回false；
//Date1.before(Date2)，当Date1小于Date2时，返回TRUE，当大于等于时，返回false；
Date startDate = sdf.parse("2016-11-01");
Date endDate = sdf.parse("2016-11-03");
Date currDate = sdf.parse("2016-11-03");
//当前时间大于开始时间并且小于结束时间允许捐赠
if(currDate.after(startDate) && currDate.before(endDate)){
System.out.println("--允许捐赠---------");
}
//当前时间小于开始时间，捐赠未开始
if(currDate.before(startDate)){
System.out.println("--捐赠未开始---------");
}
//当前时间大于结束时间，捐赠已结束
if(currDate.after(endDate)){
System.out.println("--捐赠已结束---------");
}
System.out.println("当前时间大于开始时间true:" + currDate.after(startDate));
System.out.println("当前时间小于结束时间true:" + currDate.before(endDate));
Calendar calendar = Calendar.getInstance();
Date currentDate = calendar.getTime();
String s1 = "2016-12-01";
String s2 = "2016-12-02";
Calendar startTime = Calendar.getInstance();
Calendar endTime = Calendar.getInstance();
startTime.setTime(sdf.parse(s1));
startTime.set(Calendar.HOUR_OF_DAY, 0);
startTime.set(Calendar.SECOND,0);
startTime.set(Calendar.MINUTE,0);
System.out.println("startTime : " + sdf1.format(startTime.getTime()));
endTime.setTime(sdf.parse(s2));
endTime.set(Calendar.HOUR_OF_DAY, 23);
endTime.set(Calendar.SECOND,59);
endTime.set(Calendar.MINUTE,59);
System.out.println("endTime : " + sdf1.format(endTime.getTime()));
Calendar current = Calendar.getInstance();
System.out.println("current : " + sdf1.format(current.getTime()));
// current.setTime(sdf.parse("2016-12-02"));
//0-等于，1-大于，-1小于
//当前时间大于开始时间并且小于结束时间允许捐赠
System.out.println(current.compareTo(startTime));
System.out.println(current.compareTo(endTime));
if((current.compareTo(startTime) == 1 || current.compareTo(startTime) == 0) && ( current.compareTo(endTime) == -1 || current.compareTo(endTime) == 0)){
System.out.println("--允许捐赠---------");
}
//当前时间小于开始时间，捐赠未开始
if(current.compareTo(startTime) == -1){
System.out.println("--捐赠未开始---------");
}
//当前时间大于结束时间，捐赠已结束
if(current.compareTo(endTime) == 1){
System.out.println("--捐赠已结束---------");
}
}
}
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