IOS--Operation Object基础

AppDelegate.m

 1 #import "AppDelegate.h"
 2 #import "TestController.h"
 3 
 4 @interface AppDelegate ()
 5 @property(nonatomic,strong)TestController *controller;
 6 @end
 7 
 8 @implementation AppDelegate
 9 
10 
11 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
12     // Override point for customization after application launch.
13     self.window = [[UIWindow alloc]init];
14 
15     self.controller = [[TestController alloc]init];
16 
17     self.window.rootViewController = self.controller;
18     
19     [self.window makeKeyAndVisible];
20     return YES;
21 }

MyOperation.h

1 #import <Foundation/Foundation.h>
2 
3 @interface MyOperation : NSOperation
4 
5 @end

MyOperation.m

 1 #import "MyOperation.h"
 2 
 3 @implementation MyOperation
 4 
 5 -(void)main
 6 {
 7     for (int i=1; i<10; i++) {
 8         [NSThread sleepForTimeInterval:1];
 9         NSLog(@"thread%d",i);
10     }
11 }
12 
13 @end

TestController.m

 1 #import "TestController.h"
 2 #import "TestView.h"
 3 #import "MyOperation.h"
 4 
 5 @interface TestController()
 6 
 7 @property(nonatomic,strong)UIButton *button;
 8 @property(nonatomic,strong)MyOperation *myOperation;
 9 
10 @end
11 
12 @implementation TestController
13 
14 - (void)viewDidLoad
15 {
16     [super viewDidLoad];
17     
18     _myOperation = [[MyOperation alloc]init];
19     
20     _button = [UIButton buttonWithType:UIButtonTypeSystem];
21     
22     _button.frame = CGRectMake(0, 20, 100, 20);
23     [_button setTitle:@"Hello" forState:UIControlStateNormal];
24     
25     [_button addTarget:self action:@selector(start:) forControlEvents:UIControlEventTouchUpInside];
26 
27     
28     [self.view addSubview:_button];
29 
30 }
31 
32 -(void)start:(UIButton*)sender
33 {
34     NSOperationQueue *queue = [[NSOperationQueue alloc]init];
35     [queue addOperation:_myOperation];
36     
37     /*
38     使用  NSInvocationOperation
39     NSInvocationOperation *operation = [[NSInvocationOperation alloc]initWithTarget:self selector:@selector(thLoop) object:nil];
40     NSOperationQueue *queue2 = [[NSOperationQueue alloc]init];
41     [queue2 addOperation:operation];
42      */
43     
44     /*
45     使用 NSBlockOperation
46     NSBlockOperation *operation2 = [NSBlockOperation blockOperationWithBlock:^{
47         for (int i=1; i<10; i++) {
48             [NSThread sleepForTimeInterval:1];
49             NSLog(@"blockThread%d",i);
50         }
51 
52     }];
53     
54     NSBlockOperation *operation3 = [NSBlockOperation blockOperationWithBlock:^{
55         for (int i=1; i<10; i++) {
56             [NSThread sleepForTimeInterval:1];
57             NSLog(@"block2Thread%d",i);
58         }
59         
60     }];
61 
62     
63     NSOperationQueue *queue3 = [[NSOperationQueue alloc]init];
64     [queue3 addOperation:operation2];
65     
66     //operation3依赖operation2,当operation2执行完毕再执行operation3
67     [operation3 addDependency:operation2];
68     
69     [queue3 addOperation:operation3];
70      */
71     
72 }
73 
74 /*
75 回调函数
76 -(void)thLoop
77 {
78     for (int i=1; i<10; i++) {
79         [NSThread sleepForTimeInterval:1];
80         NSLog(@"newThread%d",i);
81     }
82 }
83 */
84 
85 @end
posted @ 2016-03-02 16:31  yuge790615  阅读(197)  评论(0)    收藏  举报