GCD的简单封装

扩展: dispatch_block_t ：无参数block，使用起来很简单

下载链接：http://pan.baidu.com/s/1bndN6Yb

//串行队列
- (void)test1 {

WJGCDQueue *queue = [[WJGCDQueue alloc]initSerial];
[queue execute:^{
NSLog(@"1--%@",[NSThread currentThread]);
}];
[queue execute:^{
NSLog(@"2--%@",[NSThread currentThread]);
}];
[queue execute:^{
NSLog(@"3--%@",[NSThread currentThread]);
}];
}
//并行队列
- (void)test2 {

WJGCDQueue *queue = [[WJGCDQueue alloc]initConcurrent];
[queue execute:^{
NSLog(@"1--%@",[NSThread currentThread]);
}];
[queue execute:^{
NSLog(@"2--%@",[NSThread currentThread]);
}];
[queue execute:^{
NSLog(@"3--%@",[NSThread currentThread]);
}];
}

//复杂运算，更新ui
- (void)test3 {

[WJGCDQueue executeInGlobalQueue:^{
NSLog(@"处理业务逻辑");
[WJGCDQueue executeInMainQueue:^{
NSLog(@"更新UI");
}];
}];
}
//延时操作
- (void)test4 {
NSLog(@"%@",[NSDate date]);
[WJGCDQueue executeInMainQueue:^{
NSLog(@"%@",[NSDate date]);
} afterDelaySecs:2];
}
//定时器
- (void)test5 {
self.gcdTimer = [[WJGCDTimer alloc]initInQueue:[WJGCDQueue mainQueue]];
[self.gcdTimer event:^{
NSLog(@"GCD定时器");
} timeInterval:NSEC_PER_SEC];
[self.gcdTimer start];
}
//队列组
- (void)test6 {
WJGCDGroup *group = [[WJGCDGroup alloc]init];
WJGCDQueue *queue = [[WJGCDQueue alloc]initConcurrent];
[queue execute:^{
NSLog(@"线程1");
} inGroup:group];
[queue notify:^{
NSLog(@"线程执行");
} inGroup:group];
}

//信号量
- (void)test7 {
WJGCDSemaphore *semaphore = [[WJGCDSemaphore alloc]init];
[semaphore signal];
[semaphore wait];
}