VS2010+QT5.5 开发的QT与HTML通信程序

#include "qwebviewtest.h" QWebViewTest::QWebViewTest(QWidget *parent) : QMainWindow(parent) { ui.setupUi(this); //QUrl url("file:///D:/DemoTest/qtDialog/httptest/test.html"); //ui.webView->load(url); //化帶2 //ui.webView->show(); m_webObj = new MyWebKit(this); ui.setupUi(this); ui.webView->setUrl((QUrl("file:///D:/DemoTest/qtDialog/httptest/test.html"))); connect(ui.webView->page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()), this, SLOT(populateJavaScriptWindowObject())); connect(ui.pushButton,SIGNAL(clicked()),this,SLOT(onBtnCallJSClicked())); } QWebViewTest::~QWebViewTest() { } void QWebViewTest::setValueFromWeb(const QString &strName, const QString &strPwd) { ui.textEdit->setText(strName); ui.textEdit_2->setText(strPwd); } void QWebViewTest::onBtnCallJSClicked() { QString strVal = QString("callfromqt(\"%1\",\"%2\");").arg(ui.textEdit->toPlainText()).arg(ui.textEdit_2->toPlainText() ); ui.webView->page()->mainFrame()->evaluateJavaScript(strVal); } void QWebViewTest::populateJavaScriptWindowObject() { qDebug()<<"populateJavaScriptWindowObject"; ui.webView->page()->mainFrame()->addToJavaScriptWindowObject(QString("mywebkit"),m_webObj); } void QWebViewTest::on_pushButton_clicked() { onBtnCallJSClicked(); }