1 -(void)creatUI{
2 //创建一个UILabel
3 UILabel* label = [[UILabel alloc] init];
4
5 label.text = @"Hello world";
6
7 label.frame = CGRectMake(100, 200, 160, 40);
8
9 label.backgroundColor = [UIColor grayColor];
10
11 label.textColor = [UIColor redColor];
12
13
14
15 label.textAlignment = NSTextAlignmentCenter;
16
17 label.font = [UIFont systemFontOfSize:12];
18
19
20 //label 的高级属性
21 label.shadowColor = [UIColor blueColor];
22
23 label.shadowOffset = CGSizeMake(5, 5);
24
25
26
27 //当行数设置为0时，iOS自动计算行数。
28 label.numberOfLines = 0;
29
30 [self.view addSubview:label];
31
32 }
33
34
35
36
37
38 - (void)viewDidLoad {
39 [super viewDidLoad];
40
41 //调用creatUI函数
42 [self creatUI];
43
44 }
