1 #ifndef SPLASHSCREENMNG_H
 2 #define SPLASHSCREENMNG_H
 3
 4 class QMutex;
 5 class QSplashScreen;
 6 class QString;
 7
 8 class CSplashScreenMng
 9 {
10 public:
11     /**
12      * 函数功能：获取CSplashScreenMng的唯一对象指针
13      * 返回值： CSplashScreenMng对象指针
14      */
15     static CSplashScreenMng* getInstance();
16
17     /**
18      * 函数功能：获取QSplashScreen指针对象并显示
19      * 参数：  fileName [in] QSplashScreen显示的图片文件
20      * 返回值：QSplashScreen对象指针
21      */
22     QSplashScreen* showSplash(const QString &fileName);
23
24     /**
25      *  函数功能：设置QSplashScreen对象的内容
26      *  参数： text [in] 需要显示的内容
27      */
28     void setSplashStatus(const QString &text);
29
30     //销毁QSplashScreen对象
31     void destroySplash();
32 private:
33     CSplashScreenMng();  //构造函数
34     ~CSplashScreenMng(); //析构函数
35     CSplashScreenMng(const CSplashScreenMng &other); //拷贝构造
36     CSplashScreenMng& operator=(const CSplashScreenMng &other); //赋值运算操作符
37
38 private:
39     QSplashScreen*  m_pSplash;
40     static QMutex mutex;
41     static CSplashScreenMng* m_pSplashScreenMng; // CSplashScreenMng 全局唯一的变量
42 };
43
44 #endif //SPLASHSCREENMNG_H  

 1 #include "SplashScreenMng.h"
 2 #include <QMutex>
 3 #include <QObject>
 4 #include <QPixmap>
 5 #include <QSplashScreen>
 6 #include <QString>
 7
 8 QMutex CSplashScreenMng::mutex;
 9 CSplashScreenMng* CSplashScreenMng::m_pSplashScreenMng = NULL;
10
11 CSplashScreenMng::CSplashScreenMng()
12 {
13     m_pSplash = NULL;
14 }
15
16 CSplashScreenMng::~CSplashScreenMng()
17 {
18
19 }
20
21 CSplashScreenMng* CSplashScreenMng::getInstance()
22 {
23     if(NULL == m_pSplashScreenMng){
24         mutex.lock();
25         if(NULL == m_pSplashScreenMng){
26             m_pSplashScreenMng = new CSplashScreenMng();
27         }
28         mutex.unlock();
29     }
30     return m_pSplashScreenMng;
31 }
32
33 QSplashScreen*  CSplashScreenMng::showSplash(const QString &fileName)
34 {
35     QPixmap pixmap(fileName);
36     if(pixmap.isNull())
37         return NULL;
38
39     m_pSplash = new QSplashScreen(pixmap);
40     m_pSplash->show();
41     setSplashStatus(QObject::tr("初始化..."));
42
43     return  m_pSplash;
44 }
45
46 void CSplashScreenMng::setSplashStatus(const QString &text)
47 {
48     if(!m_pSplash)
49         return ;
50
51     QString splashText = text;
52     splashText += QObject::tr("请稍后...");
53     m_pSplash->showMessage(splashText, Qt::AlignLeft | Qt::AlignBottom, Qt::white);//这里设置为左下角显示信息
54 }
55
56 void CSplashScreenMng::destroySplash()
57 {
58     if(m_pSplash){
59         delete m_pSplash;
60         m_pSplash = NULL;
61     }
62 }  

 1 #include <windowsx.h>
 2 #include<QSplashScreen>
 3 #include<QtTest/qtest.h>
 4 int main(int argc, char *argv[])
 5 {
 6     QApplication a(argc, argv);
 7
 8     QSplashScreen* splash =CSplashScreenMng::getInstance()->showSplash(":/TunnelView/Resources/Initialize3.jpg");   9     //CSplashStart::getInstance()->setSplashStatus("Welcome");

 10 　　QTest::qSleep(1000);//延时 

 11  　　a.processEvents();12  　　TunnelView w;13  　　w.show();14 　　splash->finish(&w);15 　　CSplashScreenMng::getInstance()->DestroySplash();16 　　return a.exec();17 }