Question

简而言之，我希望我的tableView能够展示今天发生的事件（例如足球比赛）。因此，我想使用NSMutableArray添加与addObject匹配的词典。我已尝试使用此代码，但NSMutableArray未显示任何内容：

self.Array = [NSMutableArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"matches" ofType:@"plist"]];

matchesToday = [[NSMutableArray alloc] init];
match = [[NSMutableDictionary alloc] init];

for  (int i=0; i<[Array count]; i++) {
        NSDate *datum = [[Array objectAtIndex:i] objectForKey:@"date"];
        NSCalendar *cal = [NSCalendar currentCalendar];
        NSDateComponents *components = [cal components:(NSEraCalendarUnit|NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit) fromDate:[NSDate date]];
        NSDate *today = [cal dateFromComponents:components];
        components = [cal components:(NSEraCalendarUnit|NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit) fromDate:datum];
        NSDate *otherDate = [cal dateFromComponents:components];

        if([today isEqualToDate:otherDate]) {

            //do stuff
            [matchesToday addObject:match];

        NSLog(@"%i, %@", i, otherDate);
        NSLog(@"Match is today");

    }
    else {
        NSLog(@"Match is not today");
    }
    }
NSLog(@"%@", matchesToday);
}

plist是一系列字典，如下所示：

<array>
    <dict>
    <key>date</key>
    <date>2011-12-13T00:00:00Z</date>
    <key>titel</key>
    <string>Tilburg - Oss</string>
    </dict>
    <dict>
    <key>date</key>
    <date>2011-12-13T00:00:00Z</date>
    <key>titel</key>
    <string>Amsterdam - Roosendaal</string>
    </dict> 
</array>

我做错了什么？

Answer 1

您需要在日期测试if语句中添加Array中的单个项目，其中包含以下行：

[matchesToday addObject:[Array objectAtIndex:i]];

在执行此代码时，match只是一个空的可变数组。

addObject到NSMutableArray不起作用

1 个答案: