摘要： #import "ViewController.h"#define FontSize 20@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. NSString *str = @"相见欢李煜 \n春花秋月何时了，\n往事知多少。\n小楼昨夜又东风，\n古国不堪回首月明中 阅读全文