摘要：
NSThread 有两种直接创建方式：- (id)initWithTarget:(id)targetselector:(SEL)selectorobject:(id)argument+ (void)detachNewThreadSelector:(SEL)aSelectortoTarget:(id)aTargetwithObject:(id)anArgument[NSThread detachNewThreadSelector:@selector(doSomething:) toTarget:self withObject:nil];NSThread* myThread = [[NSThrea 阅读全文