NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

[dateFormatter setDateFormat:@"yyyy-MM-dd"];

//string轉(zhuǎn)date

NSDate *date = [dateFormatter dateFromString:StartDate];

NSDate *laterdate = [dateFormatter dateFromString:EndDate];

//判斷某個(gè)時(shí)間是否大于當(dāng)前時(shí)間

if([date earlierDate:[NSDate date]] == date && [laterdate laterDate:[NSDate date]] == laterdate)

{

NSLog(@"在范圍內(nèi)");

}