IOS对日期进行排序

NSMutableArray *array = [[NSMutableArray alloc] initWithObjects:@"2019/03/01/",@"2013/03/02",@"2013/03/07",@"2014/03/01/", [NSNull null], nil];
    
    array = (NSMutableArray *)[array sortedArrayUsingComparator:^NSComparisonResult(id obj1, id obj2) {
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        [formatter setDateFormat:@"yyyy/MM/dd/"];
        if (obj1 == [NSNull null]) {
            obj1 = @"0000/00/00";
        }
        if (obj2 == [NSNull null]) {
            obj2 = @"0000/00/00";
        }
        NSDate *date1 = [formatter dateFromString:obj1];
        NSDate *date2 = [formatter dateFromString:obj2];
        NSComparisonResult result = [date1 compare:date2];
        return result == NSOrderedAscending;
    }];
    for (int i = 0; i < [array count]; i++) {
        NSLog(@"%@", [array objectAtIndex:i]);
    }

return result == NSOrderedAscending;  升序

return result == NSOrderedDescending; 降序

2015-06-16 17:16:14.930 TestH5[15888:669365] 2019/03/01/
2015-06-16 17:16:14.930 TestH5[15888:669365] 2014/03/01/
2015-06-16 17:16:14.931 TestH5[15888:669365] 2013/03/07
2015-06-16 17:16:14.931 TestH5[15888:669365] 2013/03/02
2015-06-16 17:16:14.931 TestH5[15888:669365] <null>

2015-06-16 17:17:21.692 TestH5[15946:671080] 2013/03/02
2015-06-16 17:17:21.692 TestH5[15946:671080] 2013/03/07
2015-06-16 17:17:21.692 TestH5[15946:671080] 2014/03/01/
2015-06-16 17:17:21.692 TestH5[15946:671080] 2019/03/01/
2015-06-16 17:17:21.692 TestH5[15946:671080] <null>

IOS对日期进行排序

原文：http://blog.csdn.net/jwzhangjie/article/details/46519805