qt调用js，js调用qt

发布时间：2023-09-06 01:13责任编辑：胡小海关键词：js

<html><script language="JavaScript"> ???function qtcalljs() ???{ ???????alert("sdfsd"); ???} ???function jscallqt() ???{ ???????mainWindow.dosome(); ???}</script><body><button onclick="jscallqt()" style=="height:20px;width:100px"/></body></html>

qt.h：

#ifndef QTTT_H#define QTTT_H#include <QtGui/QMainWindow>#include <QWebKitPlatformPlugin>#include <QWebFrame>#include <QMessageBox>#include <QObject>#include "ui_qttt.h"class qttt : public QMainWindow{ ???Q_OBJECTpublic: ???qttt(QWidget *parent = 0, Qt::WFlags flags = 0); ???~qttt();private: ???Ui::qtttClass ui;private slots: ???void pop(); ???void addMyObjectToJavascript();public: ???Q_INVOKABLE void dosome();};#endif // QTTT_H

qt.cpp

#include "qttt.h"qttt::qttt(QWidget *parent, Qt::WFlags flags) ???: QMainWindow(parent, flags){ ???ui.setupUi(this); ???ui.webView->load(QUrl("test.html")); ???connect(ui.pushButton,SIGNAL(clicked()),this,SLOT(pop())); ???connect(ui.webView->page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()), this, SLOT(addMyObjectToJavascript()));}qttt::~qttt(){}void qttt::pop(){ ???ui.webView->page()->mainFrame()->evaluateJavaScript("qtcalljs();");}void qttt::addMyObjectToJavascript(){ ???ui.webView->page()->mainFrame()->addToJavaScriptWindowObject("mainWindow", this);}void qttt::dosome(){ ???QMessageBox::aboutQt(this,"sdfsa");}

qt调用js，js调用qt

原文地址：http://www.cnblogs.com/tiandsp/p/7580588.html

qt调用js，js调用qt

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