1 #import "ViewController.h"
2
3 @interface ViewController ()
4
5 @end
6
7 @implementation ViewController
8
9 - (void)viewDidLoad {
10 [super viewDidLoad];
11 // Do any additional setup after loading the view, typically from a nib.
12 //第一种方式
13 UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeSystem];
14 btn1.frame = CGRectMake(50, 100, 100, 40);
15 [btn1 setTitle:@"按钮一" forState:UIControlStateNormal];
16 [btn1 addTarget:self action:@selector(threadOne:) forControlEvents:UIControlEventTouchUpInside];
17 [self.view addSubview:btn1];
18
19 //第二种方式
20 UIButton *btn2 = [UIButton buttonWithType:UIButtonTypeSystem];
21 btn2.frame = CGRectMake(50, 200, 100, 40);
22 [btn2 setTitle:@"按钮二" forState:UIControlStateNormal];
23 [btn2 addTarget:self action:@selector(threadTwo:) forControlEvents:UIControlEventTouchUpInside];
24 [self.view addSubview:btn2];
25 }
26
27 //第二种方式
28 -(void)threadTwo:(id)sender
29 {
30 //NSLog(@"点击了按钮");
31 //参数一:线程执行体方法所属的对象
32 //参数二:线程执行体对应的方法
33 //参数三:线程执行体方法的实参
34 NSNumber *n=@50;
35 //创建线程 并没有启动(需手动启动)
36 NSThread *t = [[NSThread alloc] initWithTarget:self selector:@selector(createThreadTwo:) object:n];
37 t.name = @"线程B";
38 [t start];
39
40 }
41
42 -(void)createThreadTwo:(NSNumber *)n
43 {
44 for (int i=0; i<n.intValue; i++) {
45 NSThread *t = [NSThread currentThread];
46 NSLog(@"执行了%@:%d",t.name,i);
47 }
48 }
49
50 //第一种方式
51 -(void)threadOne:(id)sender
52 {
53 //参数一:线程执行体的方法
54 //参数二:线程执行体所属对象
55 //参数三:线程执行体方法传递的实参
56 NSNumber *n = @100;
57 //创建并启动一个线程
58 [NSThread detachNewThreadSelector:@selector(createOne:) toTarget:self withObject:n];
59 }
60
61 - (void)createOne:(NSNumber *)n
62 {
63 [NSThread currentThread].name = @"线程A";
64
65 for (int i=0; i<n.intValue; i++) {
66 //[NSThread sleepForTimeInterval:1];
67 NSLog(@"执行%@:%d",[NSThread currentThread].name,i);
68 }
69 }
70
71 - (void)didReceiveMemoryWarning {
72 [super didReceiveMemoryWarning];
73 // Dispose of any resources that can be recreated.
74 }
75
76 @end
