[{"createTime":1735734952000,"id":1,"img":"hwy_ms_500_252.jpeg","link":"https://activity.huaweicloud.com/cps.html?fromacct=261f35b6-af54-4511-a2ca-910fa15905d1&utm_source=V1g3MDY4NTY=&utm_medium=cps&utm_campaign=201905","name":"华为云秒杀","status":9,"txt":"华为云38元秒杀","type":1,"updateTime":1735747411000,"userId":3},{"createTime":1736173885000,"id":2,"img":"txy_480_300.png","link":"https://cloud.tencent.com/act/cps/redirect?redirect=1077&cps_key=edb15096bfff75effaaa8c8bb66138bd&from=console","name":"腾讯云秒杀","status":9,"txt":"腾讯云限量秒杀","type":1,"updateTime":1736173885000,"userId":3},{"createTime":1736177492000,"id":3,"img":"aly_251_140.png","link":"https://www.aliyun.com/minisite/goods?userCode=pwp8kmv3","memo":"","name":"阿里云","status":9,"txt":"阿里云2折起","type":1,"updateTime":1736177492000,"userId":3},{"createTime":1735660800000,"id":4,"img":"vultr_560_300.png","link":"https://www.vultr.com/?ref=9603742-8H","name":"Vultr","status":9,"txt":"Vultr送$100","type":1,"updateTime":1735660800000,"userId":3},{"createTime":1735660800000,"id":5,"img":"jdy_663_320.jpg","link":"https://3.cn/2ay1-e5t","name":"京东云","status":9,"txt":"京东云特惠专区","type":1,"updateTime":1735660800000,"userId":3},{"createTime":1735660800000,"id":6,"img":"new_ads.png","link":"https://www.iodraw.com/ads","name":"发布广告","status":9,"txt":"发布广告","type":1,"updateTime":1735660800000,"userId":3},{"createTime":1735660800000,"id":7,"img":"yun_910_50.png","link":"https://activity.huaweicloud.com/discount_area_v5/index.html?fromacct=261f35b6-af54-4511-a2ca-910fa15905d1&utm_source=aXhpYW95YW5nOA===&utm_medium=cps&utm_campaign=201905","name":"底部","status":9,"txt":"高性能云服务器2折起","type":2,"updateTime":1735660800000,"userId":3}]
qt线程间的通信有其特有的信号与槽,也可通过共享内存的方式实现,下面演示如何使用QShareMemory实现线程间的共享内存;这里使用为简单的理解QShareMemory,并没有实现消费者和生产者的逻辑。
<>标题生产者端程序
<>头文件
#ifndef PRODUCERTHREAD_H #define PRODUCERTHREAD_H /** * @file producerthread.h
* @brief 生产者线程,用于向共享内存写入数据 * @author yidong.yang * @date 2019-10-15 * @hitstory
v2.0 */ #include <QObject> #include <QThread> #include <QSharedMemory> #include
<QDebug> class ProducerThread: public QThread { public: ProducerThread();
protected: void run() override;///>重写run函数 private: bool stopped; QSharedMemory
*producerShare;///>生产者共享内存 }; #endif // PRODUCERTHREAD_H
<>源文件
#include "producerthread.h" ProducerThread::ProducerThread() { stopped =
false; producerShare = new QSharedMemory(); producerShare-&