iOS多线程

//thread_1回调方法
- (void)thread_1Action:(NSString *)sender
{
//当子线程是我们手动开辟的，那么就需要我们自己来管理内存
@autoreleasepool {
NSLog(@"thread_1_Info%@",[NSThread currentThread]);
NSLog(@"参数:%@",sender);
}
}

- (void)thread_2Action
{
@autoreleasepool {
NSLog(@"Thread_2--%@",[NSThread currentThread]);
}

}

- (void)thread_3Action
{
@autoreleasepool {
NSLog(@"Thread_3333--%@",[NSThread currentThread]);
}

}
//nsthread 学习
-(void)threadStudy
{
//通过便利构造器的方式创建thread对象，不用手动启动
[NSThread detachNewThreadSelector:@selector(thread_1Action:) toTarget:self withObject:@"thread_1"];
//通过alloc方式创建
NSThread *thread_2 = [[NSThread alloc] initWithTarget:self selector:@selector(thread_2Action) object:nil];
thread_2.name = @"Thread_2";
[thread_2 start];
thread_2.threadPriority = 1.0;

NSThread *thread_3 = [[NSThread alloc] initWithTarget:self selector:@selector(thread_3Action) object:nil];
thread_3.name = @"thread_3";
[thread_3 start];

}