不错心得

gistfile1.txt

-(void)add:(NSString *)data
{
   [theLock lock];    
    NSLog(@"%@%d",data,ticketNumber);
    ticketNumber--;
    [theLock unlock];
}

- (void)viewDidLoad
{

    
    NSString *stackOverUrl = @"http://stackoverflow.com";
    ASIHTTPRequest *request2 = [[ASIHTTPRequest alloc] initWithURL:[[NSURL alloc]initWithString:stackOverUrl
                                                                    ]];
    request2.tag = 2;
    request2.delegate = self;
    [request2 startAsynchronous];
    
    NSString *baiduUrl = @"http://www.baidu.com";
    for(int i = 0;i<100;i++)
    {
    ASIHTTPRequest *request1 = [[ASIHTTPRequest alloc] initWithURL:[[NSURL alloc]initWithString:baiduUrl                                                                    ]];    
    request1.delegate = self;    
    request1.tag = i;
    [request1 startAsynchronous];
    }
    
    ticketNumber = 100;
    theLock = [[NSLock alloc] init];  
    for(int i = 0;i<100;i++)
    {
    
        NSString *data = [NSString stringWithFormat:@"thread%d:",i];
        [NSThread detachNewThreadSelector:@selector(add:) toTarget:self withObject:data];
    }   

}

-(void)requestFinished:(ASIHTTPRequest *)request
{
    NSLog(@"request:%d",request.tag);
}