#include "indexwindow.h" #include "ui_indexwindow.h" #include "QFile" #include "QTextStream" IndexWindow::IndexWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::IndexWindow) { ui->setupUi(this); this->initForm(); } IndexWindow::~IndexWindow() { delete ui; } void IndexWindow::initForm() { //this->setWindowFlags(Qt::FramelessWindowHint); //调用样式 loadStyle(":/qss/Index.css"); } void IndexWindow::loadStyle(const QString &qssFile) { //加载样式表 QString qss; QFile file(qssFile); if (file.open(QFile::ReadOnly)) { //用QTextStream读取样式文件不用区分文件编码 带bom也行 QStringList list; QTextStream in(&file); //in.setCodec("utf-8"); while (!in.atEnd()) { QString line; in >> line; list << line; } file.close(); qss = list.join("\n"); QString paletteColor = qss.mid(20, 7); qApp->setPalette(QPalette(paletteColor)); //用时主要在下面这句 qApp->setStyleSheet(qss); } }