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我使用plist保存数据,如下所示。我现在需要从plist文件中删除这些数据,无论是全部还是某些记录消息 - 如何做到这一点?从plist文件存档中删除数据
NSMutableData* data = [[NSMutableData alloc] init];
NSKeyedArchiver* archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:data];
[archiver encodeObject:self.messages forKey:@"Messages"];
[archiver finishEncoding];
[data writeToFile:[self messagesPath] atomically:YES];