NSString *path = [[NSBundle mainBundle] pathForResource:@"ImageUrlPList" ofType:@"plist"];
NSDictionary *imageDic = [[NSDictionary alloc] initWithContentsOfFile:path];
NSString*image1 = [imageDicvalueForKey:@"image1"];
image1 = [image1stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
NSString*image2 = [imageDicvalueForKey:@"image2"];
image2 = [image2stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
NSString*image3 = [imageDicvalueForKey:@"image3"];
image3 = [image3stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
dispatch_queue_t queue = dispatch_queue_create("conQueue", DISPATCH_QUEUE_CONCURRENT);
dispatch_group_t group = dispatch_group_create();
NSLog(@"Start%@", [NSThread currentThread]);
dispatch_group_async(group, queue, ^{
dispatch_semaphore_t sema = dispatch_semaphore_create(0);
dispatch_group_enter(group);
dispatch_async(queue, ^{
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:image1]];
if(data) {
[self.arrayaddObject:data];
}
dispatch_semaphore_signal(sema);
NSLog(@"1111111%@", [NSThread currentThread]);
});
dispatch_async(queue, ^{
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:image2]];
dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
if(data) {
[self.arrayaddObject:data];
}
NSLog(@"2222222%@", [NSThread currentThread]);
dispatch_group_leave(group);
});
NSLog(@"Group1111111%@", [NSThread currentThread]);
});
dispatch_group_async(group, queue, ^{
dispatch_group_enter(group);
dispatch_async(queue, ^{
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:image3]];
if(data) {
[self.arrayaddObject:data];
}
NSLog(@"333333333%@", [NSThread currentThread]);
dispatch_group_leave(group);
});
NSLog(@"Group22222222%@", [NSThread currentThread]);
});
dispatch_group_notify(group, dispatch_get_main_queue(), ^{
NSLog(@"AllFinish%@-%@", [NSThread currentThread], self.array);
});
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