xxx.h文件：@H_301_2@

int count;
    void threadA();
    void threadB();

xxx.cpp文件：@H_301_2@

/* 引入头文件#include <thread> 引入std::mutex _mutex; */
    //1.新建线程A
    std::thread t1(&Login::threadA,this);//取Login的地址
    t1.detach();//设置主线程和子线程互不影响

    //2.新建线程B
    std::thread t2(&Login::threadB,this);//取Login的地址
    t2.detach();//设置主线程和子线程互不影响

    //3.两个线程对同一个资源count进行操作
    count = 0;

void Login::threadA()
{
    while (count < 10) {
        //加锁
        _mutex.lock();

        count++;
        //设置本线程等待3秒
        this_thread::sleep_for(chrono::seconds(3));
        CCLOG("A Thread Id is: %x,count value is %d",this_thread::get_id(),count);

        //解锁
        _mutex.unlock();

    }
}

void Login::threadB()
{
    while (count < 10) {
        //加锁

        _mutex.lock();
        count++;
        //设置本线程等待3秒
        this_thread::sleep_for(chrono::seconds(3));
        CCLOG("B Thread Id is: %x,count);

        //解锁
        _mutex.unlock();
    }
}