样式表

#include "widget.h"

#include "ui_widget.h"

Widget::Widget(QWidget *parent) :

    QWidget(parent),

    ui(new Ui::Widget)

{

    ui->setupUi(this);

    this->setStyleSheet("QLabel{color:rgb(0,255,255);"

                             "background-color:red;"

                             "}");//全局字体颜色和背景色

//    ui->label->setStyleSheet("QLabel{color:rgb(0,255,255);"

//                             "background-color:blue;"

//                             "background-image:url(:/new/prefix1/image/乖巧.jpg);"

//                             "}");label的字体颜色和背景色

    ui->label->setStyleSheet("QLabel{color:rgb(0,255,255);"

                             "background-color:blue;"

                             "border-image:url(:/new/prefix1/image/乖巧.jpg) 4 4 4 4 stretch stretch;"

                             "}");//label的字体颜色和背景色,和上一个不同的是border是自适应大小

                                  //4 4 4 4 stretch stretch是在四个方向的裁剪

    ui->pushButton->setStyleSheet("QPushButton{"//静态显示

                                  "border-image:url(:/new/prefix1/image/乖巧.jpg);"

                                  "}"

                                  "QPushButton:hover{"//鼠标移到显示

                                  "border-image:url(:/new/prefix1/image/树林.jpg);"

                                  "}"

                                  "QPushButton:pressed{"//鼠标点击显示

                                  "border-image:url(:/new/prefix1/image/路飞.jpg);"

                                  "}"

                                  );//按键外围2个像素点绿色

}

Widget::~Widget()

{

    delete ui;

}