相关资料：
https://blog.csdn.net/singleroot/article/details/42492483 QT5分割原文
https://blog.csdn.net/cswxzx/article/details/7195044 QT4分害原文
https://download.csdn.net/download/zhujianqiangqq/13131409 代码包下载
mainwinodw.cpp
1 #include "mainwindow.h" 2 #include "ui_mainwindow.h" 3 4 5 void SetButtonStyle(QPushButton *button, QString imgsrc, int CutSec) 6 { 7 int img_w=QPixmap(imgsrc).width(); 8 int img_h=QPixmap(imgsrc).height(); 9 int PicWidth = img_w/CutSec; 10 button->setFixedSize(PicWidth,img_h); 11 button->setStyleSheet(QString("QPushButton{border-width: 41px; border-image: url(%1) 0 0 0 %2 repeat repeat;border-width: 0px; border-radius: 0px;}") 12 .append("QPushButton::hover{border-image: url(%1) 0 0 0 %3 repeat repeat;}") 13 .append("QPushButton::pressed{border-image: url(%1) 0 0 0 %4 repeat repeat;}") 14 .append("QPushButton::checked{border-image: url(%1) 0 0 0 %4 repeat repeat;}") 15 .append("QPushButton::disabled{border-image: url(%1) 0 0 0 %5 repeat repeat;}") 16 .arg(imgsrc).arg(0).arg(PicWidth*1).arg(PicWidth*2).arg(PicWidth*3)); 17 } 18 19 MainWindow::MainWindow(QWidget *parent) 20 : QMainWindow(parent) 21 , ui(new Ui::MainWindow) 22 { 23 ui->setupUi(this); 24 25 // 一张图片切图的效果 26 SetButtonStyle(ui->pushButton,":/new/prefix1/image/d.png",4); 27 // 三张独立的图片 28 ui->pushButton_2->setStyleSheet("QPushButton{border-image: url(:/new/prefix1/image/a.png);}" 29 "QPushButton:hover{border-image: url(:/new/prefix1/image/b.png);}" 30 "QPushButton:pressed{border-image: url(:/new/prefix1/image/c.png);}"); 31 } 32 33 MainWindow::~MainWindow() 34 { 35 delete ui; 36 }