//www.greatytc.com/p/d6fd55c37df8

@interfaceTestObject:NSObject - (void)testMethod:(NSString*)text; @end @...

线程安全解决方案：可以给线程加锁，在一个线程执行该操作的时候，不允许其他线程进行操作。iOS 实现线程加锁有很多种方式。@synchronize...

https://juejin.im/post/5a5d5b21f265da3e467510ca

//www.greatytc.com/p/30b82f1e61a9

http://blog.csdn.net/kongjiea/article/details/38614695

http://blog.csdn.net/echo_ae/article/details/77863113

http://blog.csdn.net/yu2015java/article/details/78637877?fps=1&locationN...

https://www.cnblogs.com/dodocie/p/7132459.html