NSDictionary *dict = [NSDictionary dictionaryWithObject:@"lnj" forKey:@"name"];
NSString *name = [dict objectForKey:@"name"];
NSDictionary *dict = [NSDictionary dictionaryWithObjects:@[@"lnj", @"30", @"1.75"] forKeys:@[@"name", @"age", @"height"]];
NSDictionary *dict = [NSDictionary dictionaryWithObject:@"lnj" forKey:@"name"];
NSString *name = [dict objectForKey:@"name"];
NSDictionary *dict = [NSDictionary dictionaryWithObjects:@[@"lnj", @"30", @"1.75"] forKeys:@[@"name", @"age", @"height"]];
本文标题：NSDictionary
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