IOS NSLog占位符

NSLog(@"NSString: %@", string);

NSLog(@"int: %i", int);

NSLog(@"NSInteger: %zd", integer);

NSLog(@"NSUInteger: %tu", uIntger);

NSLog(@"char: %c", c);

NSLog(@"单浮点数: %f", f);

NSLog(@"精度浮点数: %.2f", f);

NSLog(@"布尔类型: %@", isYES ? @"YES": @"NO");

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