NSDictionary
2018-12-12 本文已影响0人
DeerRun
NSDictionary *dict = [NSDictionary dictionaryWithObject:@"lnj" forKey:@"name"];
NSString *name = [dict objectForKey:@"name"];
NSDictionary *dict = [NSDictionary dictionaryWithObjects:@[@"lnj", @"30", @"1.75"] forKeys:@[@"name", @"age", @"height"]];
