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qt编写简单的计算器(基于qt的ui界面设计)

时间:2023-05-04 13:32:06 阅读:73648 作者:247

主窗口. h如下:

# ifndef main window _ h # define main window _ h # includeqmainwindowclassqnetworkreply; class QNetworkAccessManager; namespace Ui { class MainWindow; } class main window : publicqmainwindow { q _ object public : explicit main window (nqdxlparent=0); 舒服的小懒虫; 私有插槽:语音预定义(hxd mj; private : ui :3360 main window * ui; QNetworkAccessManager *manager; (; # endif//main window _ hmain window.CPP如下:

# include ' main window.h ' # include ' ui _ main window.h ' # includeqtnetwork # includeqtextcodecmainwindow 3360 main : manager=newqnetworkaccessmanager (this; 连接(manager,signal(finished ) hxdmj )、( this,slot ) reply finished (hxd mj ) ); 管理器- get (qnetworkrequest (qurl ) ) http://www.Baidu.com); }主窗口:舒适的小懒虫(() { delete ui; } void主窗口:3360 reply finished (hxdmjreply )/* qtext codec * codec=qtext codec 3360: codecforlocale ); */qtext codec * codec=qtext codec 33603360 codec forname (' utf-8 ' ); qtringall=codec-to unicode (复制-读取全部) ); ui-text浏览器- settext (all; 复制-删除la ter (; }

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