Qt5.WebView.添加节点的测试代码

#include "mainwindow.h"#include "ui_mainwindow.h"#include <QWebFrame>#include <QWebElement>#include <QDebug>MainWindow::MainWindow(QWidget *parent) : ???QMainWindow(parent), ???ui(new Ui::MainWindow){ ???ui->setupUi(this);}MainWindow::~MainWindow(){ ???delete ui;}void MainWindow::on_pbtnOpenSVG_clicked(){ ???ui->webView->load(QUrl::fromLocalFile("D:\\DRGIS\\BIN\\PwDrawSvg\\NewSvg.svg"));}void PatchElement(void *_p){#ifndef DEBUG_ZZ ???_asm ???{ ???????push eax ???????mov eax,_p ???????mov eax,[eax+4] ???????or [eax+0xc],0x10 ???????pop eax ???}#else// DEBUG_ZZ ???_asm ???{ ???????push eax ???????mov eax,_p ???????mov eax,[eax+4] ???????or [eax+0x14],0x10 ???????pop eax ???}#endif// DEBUG_ZZ}void PatchElementUn(void *_p){#ifndef DEBUG_ZZ ???_asm ???{ ???????push eax ???????mov eax,_p ???????mov eax,[eax+4] ???????and [eax+0xc],0xFFFFFFEF ???????pop eax ???}#else// DEBUG_ZZ ???_asm ???{ ???????push eax ???????mov eax,_p ???????mov eax,[eax+4] ???????and [eax+0x14],0xFFFFFFEF ???????pop eax ???}#endif// DEBUG_ZZ}void MainWindow::on_pbtnAppendWebEle_clicked(){ ???QWebElement eleSvg = ui->webView->page()->currentFrame()->documentElement(); ???//qDebug() << eleSvg.tagName(); ???QWebElement eleFind = eleSvg.findFirst("#Term_Layer"); ???if (eleFind.isNull()) ???????qDebug() << "eleFind is Null"; ???else ???????qDebug() << "eleFind is not Null"; ???QString str = "<g id=\"zzz\"></g>";
　　// ZC: 下面的 PatchElement()和PatchElementUn()，暂时是在 Release中使用，Debug中不确定一定OK... ???PatchElement(&eleFind);　　// ZC: 使用QWebElement::???Inside(...)的时候，就要对 那个节点 进行Patch ! ! ! ???eleFind.appendInside(str); ???PatchElementUn(&eleFind); ???PatchElement(&eleFind.parent());　　// ZC: 使用QWebElement::???Outside(...)的时候，就要对 那个节点的父节点 进行Patch ! ! ! ???eleFind.appendOutside(str); ???PatchElementUn(&eleFind.parent());}void MainWindow::on_pbtnPrintSvgContent_clicked(){ ???qDebug() << ui->webView->page()->currentFrame()->toHtml();}

#-------------------------------------------------## Project created by QtCreator 2018-08-15T09:00:45##-------------------------------------------------QT ??????+= core guigreaterThan(QT_MAJOR_VERSION, 4): QT += widgets ????????????????????????????????????????webkit ?????????????????????????????????????????webkitwidgetsTARGET = WebView_Test_01TEMPLATE = appSOURCES += main.cpp ???????mainwindow.cppHEADERS ?+= mainwindow.hFORMS ???+= mainwindow.ui