网络多线程-NSOperationQueue基本使用

#import "ViewController.h"

#import "XMGOperation.h"

@interface ViewController ()

@end

@implementation ViewController

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

    [selfcustomOperation];

}

-(void)customOperation

{

    //1.创建队列

    NSOperationQueue *queue = [[NSOperationQueuealloc]init];

    

    //2.封装操作

    XMGOperation *op1 = [[XMGOperationalloc]init];

    XMGOperation *op2 = [[XMGOperationalloc]init];

    

    //3.添加到队列

    [queue addOperation:op1];

    [queue addOperation:op2];

}

-(void)blockOperation

{

    //1.创建队列

    NSOperationQueue *queue = [[NSOperationQueuealloc]init];

    

    //2.封装操作

    NSBlockOperation *op1 = [NSBlockOperationblockOperationWithBlock:^{

        NSLog(@"1----%@",[NSThreadcurrentThread]);

    }];

    

    NSBlockOperation *op2 = [NSBlockOperationblockOperationWithBlock:^{

        NSLog(@"2----%@",[NSThreadcurrentThread]);

    }];

    

    NSBlockOperation *op3 = [NSBlockOperationblockOperationWithBlock:^{

        NSLog(@"3----%@",[NSThreadcurrentThread]);

    }];

    

    [op3 addExecutionBlock:^{

        NSLog(@"4----%@",[NSThreadcurrentThread]);

    }];

    

    [op3 addExecutionBlock:^{

        NSLog(@"5----%@",[NSThreadcurrentThread]);

    }];

    

    [queue addOperation:op1];

    [queue addOperation:op2];

    [queue addOperation:op3];

    

}

-(void)invocationOperation

{

    //1.创建队列

    /*

     GCD:

     串行(2

     并发(2

     NSOperation

     主队列:串行[NSOperation mainQueue]

     非主队列:同时具备了并发和串行的功能,默认是并发 [NSOperation alloc]init]

     */

    NSOperationQueue *queue = [[NSOperationQueuealloc]init];

    

    //2.封装操作

    NSInvocationOperation *op1 = [[NSInvocationOperationalloc]initWithTarget:selfselector:@selector(download1)object:nil];

    

    NSInvocationOperation *op2 = [[NSInvocationOperationalloc]initWithTarget:selfselector:@selector(download2)object:nil];

    

    NSInvocationOperation *op3 = [[NSInvocationOperationalloc]initWithTarget:selfselector:@selector(download3)object:nil];

    

    //3.把操作添加到队列里面

    [queue addOperation:op1]; //[op1 start]

    [queue addOperation:op2];

    [queue addOperation:op3];

}

-(void)download1

{

    NSLog(@"download1----%@",[NSThreadcurrentThread]);

}

-(void)download2

{

    NSLog(@"download2----%@",[NSThreadcurrentThread]);

}

-(void)download3

{

    NSLog(@"download3----%@",[NSThreadcurrentThread]);

}

@end