qt 静态工具类
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1、myinclude.h
#ifndef MYINCLUDE_H#define MYINCLUDE_H#include <QObject>#include <QListWidget>#include <QSettings>#include <QWidget>#include <QDesktopWidget>#include <QFile>#include <QFileIconProvider>#include <QTextCodec>#include <QMessageBox>#include <QAbstractButton>#include <QPushButton>#include <QTime>#include <QDateTime>#include <QDate>#include <QCoreApplication>#include <QFileDialog>#include <QProcess>#include <QDesktopServices>#include <QUrl>#include <QDir>#include <QCursor>#include <QTimer>#include <QSound>#include <QApplication>#include <QStyleFactory>#endif // MYINCLUDE_H
2、MyStaticClass.cpp
#ifndef MYSTATICCLASS_H#define MYSTATICCLASS_H#endif // MYSTATICCLASS_H#include "myinclude.h"class MyHelper : public QObject{public: MyHelper();~MyHelper(); //获取当前路径 static QString GetCurrentPath() { return QString(QCoreApplication::applicationDirPath()+"/"); } //播放声音 static void PlaySound(QString soundName) { QSound::play(soundName); } //延时处理 static void DelayTime(int msc) { QTime t=QTime::currentTime().addMSecs(msc); while(QTime::currentTime()<t) { QCoreApplication::processEvents(QEventLoop::AllEvents,100); } } //获取当前日期时间星期 static QString GetLongDateTime() { QDateTime time=QDateTime::currentDateTime(); return time.toString("yyyy年MM月dd日 hh时mm分ss秒 dddd"); } //获取选择文件 static QString GetFileName(QString filter) { return QFileDialog::getOpenFileName(NULL,tr("选择文件"),QCoreApplication::applicationDirPath(),filter); } //获取选择文件集合 static QStringList GetFileNames(QString filter) { return QFileDialog::getOpenFileNames(NULL,tr("选择文件"),QCoreApplication::applicationDirPath(),filter); } //获取选择文件夹中的文件 static QStringList GetFolderFileNames(QStringList filter) { QStringList fileList; QString strFolder = QFileDialog::getExistingDirectory(); if (!strFolder.length()==0) { QDir myFolder(strFolder); if (myFolder.exists()) { fileList= myFolder.entryList(filter); } } return fileList; } //打开网址 static void OpenUrlOrExe(QString url) { QDesktopServices::openUrl(QUrl(url)); } //判断是否闰年 static bool IsLeapYear(QString strDate) { int year=strDate.left(4).toInt(); if(((year % 4 ==0) && (year % 100 !=0 ))|| (year % 400 ==0)) { return true; } else { return false; } } // //结束自己进程,需要#include "windows.h",这里注释掉，为了跨平台 // static void KillMe() // { // DWORD dwProcessID=::GetCurrentProcessId(); // HANDLE hProcess=::OpenProcess(PROCESS_TERMINATE,FALSE,dwProcessID); // ::TerminateProcess(hProcess,0); // ::CloseHandle(hProcess); // }};class FileHelper : public QObject{public: FileHelper();~FileHelper(); //文件是否存在 static bool FileExists(QString strFile) { QFile tempFile(strFile); if (tempFile.exists()) { return true; } return false; } //文件夹是否存在 static bool FolderExists(QString strFolder) { QDir tempFolder(strFolder); if(tempFolder.exists()) { return true; } return false; } //移除文件 static bool RemoveFile(QString strFile) { return QFile::remove(strFile); } //重命名文件 static bool RenameFile(QString oldName,QString newName) { return QFile::rename(oldName,newName); } //获取文件目录 static QString GetBasePath(QString strFullPath) { QFileInfo fileInfo(strFullPath); return fileInfo.path(); } //获取拓展名 static QString GetExtension(QString strFile) { QFileInfo fileInfo(strFile); return fileInfo.suffix(); } //获取文件夹名称 static QString GetFolderName(QString strFullPath) { QString strPath(strFullPath); strPath.replace('\\','/'); int pos=strPath.lastIndexOf('/'); return strPath.mid(pos+1); } //复制文件 static bool CopyFile(QString sourceFile, QString targetFile) { if (FileExists(targetFile)) { int ret=QMessageBox::information(NULL,tr("提示"),tr("文件已经存在，是否替换？"),QMessageBox::Yes | QMessageBox::No); if (ret!=QMessageBox::Yes) { return false; } } return QFile::copy(sourceFile,targetFile); } //判断是否是文件 static bool IsFile(QString strFile) { QFileInfo fileInfo(strFile); return fileInfo.isFile(); } //判断是否是文件夹 static bool IsFolder(QString strFolder) { QFileInfo fileInfo(strFolder); return fileInfo.isDir(); } //追加文本 static bool AppendText(QString strFile, QString strContent ) { QFile inFile(strFile); if (!inFile.open(QIODevice::Append | QIODevice::Text)) { QMessageBox::information(NULL,tr("提示"),tr("打开文件出错！")); return false; } QTextStream inStream(&inFile); inStream<<strContent; inFile.close(); return true; } //创建文件夹 static bool CreateFolder(QString strFolder) { QDir dir; return dir.mkdir(strFolder); } //创建文件 static bool CreateFile(QString strFile) { QFile file(strFile); if (!file.open(QIODevice::WriteOnly)) { return false; } file.close(); return true; } //读取文件内容 static QString GetFileContent(QString strFile) { QFile file(strFile); QString txt; if (!file.open(QIODevice::WriteOnly)) { txt= ""; } else { txt=file.readAll(); } file.close(); return txt; }};class FormHelper : public QObject{public: FormHelper();~FormHelper(); static void FormQQ(QWidget *frm,int frmHeight) { if (frm->windowState()!=Qt::WindowMinimized) { int DeskX=QCursor::pos().x(); int DeskY=QCursor::pos().y(); int FrmLeft=frm->geometry().left(); int FrmRight=frm->geometry().right(); int FrmTop=frm->geometry().top(); int FrmBottom=frm->geometry().bottom(); int FrmWidth=frm->geometry().width(); int FrmHeight=frm->geometry().height(); QDesktopWidget desktop; int DeskWidth=desktop.availableGeometry().width(); //int DeskHeight=desktop.availableGeometry().height(); if (DeskX>FrmLeft-1 && DeskX<FrmRight && DeskY>FrmTop-1 && DeskY<FrmBottom) { if (FrmTop<=0 && FrmLeft>5 && FrmLeft<DeskWidth-FrmWidth) { frm->rect().setTop(0); } else if (FrmLeft<=0) { frm->rect().setLeft(0); } else if (FrmLeft+FrmWidth>DeskWidth) { frm->rect().setLeft(DeskWidth-FrmWidth); } else { if (frmHeight>0) { frm->rect().setHeight(frmHeight); frmHeight=0; } } } else { if (frmHeight<1) { frmHeight=FrmHeight; } if (FrmTop<=4 && FrmLeft>5 && FrmLeft<DeskWidth-FrmWidth) { frm->rect().setTop(3-FrmHeight); if (FrmLeft<=4) { frm->rect().setLeft(-5); } else if (FrmLeft+FrmWidth>=DeskWidth-4) { frm->rect().setLeft(DeskWidth-FrmWidth+5); } } else if (FrmLeft<=4) { frm->rect().setLeft(3-FrmWidth); } else if (FrmLeft+FrmWidth>=DeskWidth-4) { frm->rect().setLeft(DeskWidth-3); } } } } //窗体居中显示 static void FormInCenter(QWidget *frm) { QDesktopWidget desktop; int screenX=desktop.availableGeometry().width(); int screenY=desktop.availableGeometry().height(); int wndX=frm->width(); int wndY=frm->height(); QPoint movePoint(screenX/2-wndX/2,screenY/2-wndY/2); frm->move(movePoint); } //窗体没有最大化按钮 static void FormNoMaxButton(QWidget *frm) { frm->setWindowFlags(Qt::WindowMinimizeButtonHint); } //窗体没有最大化和最小化按钮 static void FormOnlyCloseButton(QWidget *frm) { frm->setWindowFlags(Qt::WindowMinMaxButtonsHint); frm->setWindowFlags(Qt::WindowCloseButtonHint); } //设置窗体透明度 static void FormOpacity(QWidget *frm,double value) { frm->setWindowOpacity(value); } //窗体不能改变大小 static void FormNotResize(QWidget *frm) { frm->setFixedSize(frm->width(),frm->height()); } //窗体前端显示 static void FormOnTop(QWidget *frm) { frm->setWindowFlags(Qt::WindowStaysOnTopHint); } //窗体后端显示 static void FormOnBottom(QWidget *frm) { frm->setWindowFlags(Qt::WindowStaysOnBottomHint); } //获取桌面大小 static QSize GetDesktopSize() { QDesktopWidget desktop; return QSize(desktop.availableGeometry().width(),desktop.availableGeometry().height()); } //设置编码为GB2312 static void SetGB2312Code() { QTextCodec *codec=QTextCodec::codecForName("GB2312"); QTextCodec::setCodecForLocale(codec); QTextCodec::setCodecForCStrings(codec); QTextCodec::setCodecForTr(codec); } //设置编码为UTF8 static void SetUTF8Code() { QTextCodec *codec=QTextCodec::codecForName("UTF8"); QTextCodec::setCodecForLocale(codec); QTextCodec::setCodecForCStrings(codec); QTextCodec::setCodecForTr(codec); } //设置全局为plastique样式 static void SetPlastiqueStyle() { QApplication::setStyle(QStyleFactory::create("Plastique")); QApplication::setPalette(QApplication::style()->standardPalette());//替换应用程序的颜色组合 } static void SetPlastiqueStyle(QWidget *frm) { frm->setStyle(QStyleFactory::create("Plastique")); } static void SetMyStyle(QWidget *frm) { QString myStyle1="QPushButton {"; myStyle1.append("border: 2px solid #8f8f91; "); myStyle1.append("border-radius: 6px;"); myStyle1.append("background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #f6f7fa, stop: 1 #dadbde); "); myStyle1.append("min-width: 80px;}"); myStyle1.append("QPushButton:pressed {"); myStyle1.append("background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #dadbde, stop: 1 #f6f7fa); }"); myStyle1.append("QPushButton:default {"); myStyle1.append("border-color: navy; /* 使得按钮显示变得更加突出 */}"); QString myStyle2="QSlider::groove:horizontal {"; myStyle2.append("border: 1px solid #999999;"); myStyle2.append("height: 8px;"); myStyle2.append("background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #B1B1B1, stop:1 #c4c4c4);"); myStyle2.append("margin: 2px 0;}"); myStyle2.append("QSlider::handle:horizontal {"); myStyle2.append("background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4, stop:1 #8f8f8f);"); myStyle2.append("border: 1px solid #5c5c5c;"); myStyle2.append("width: 18px; margin: -2px 0;"); myStyle2.append("border-radius: 3px;}"); QString myStyle3="QGroupBox {"; myStyle3.append("background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #E0E0E0, stop: 1 #FFFFFF);"); myStyle3.append("border: 2px solid gray;"); myStyle3.append("border-radius: 5px;"); myStyle3.append("margin-top: 1ex;}"); myStyle3.append("QGroupBox::title {"); myStyle3.append("subcontrol-origin: margin; "); myStyle3.append("subcontrol-position: top center;"); myStyle3.append("padding: 0 3px;}"); frm->setStyleSheet(myStyle1+myStyle2+myStyle3); } //改变样式 static bool InstallStyle(QWidget* window,QString styleFile) { QFile file(styleFile); QString strStyleSheet; if (!file.open(QIODevice::WriteOnly)) { strStyleSheet= ""; } else { strStyleSheet=file.readAll(); } file.close(); if(strStyleSheet.isEmpty()) { return false; } window->setStyleSheet(strStyleSheet); return true; } //获取ICO图标 static QIcon GetLocalFileIcon(QString strFile) { QFileIconProvider fIconProvider; return fIconProvider.icon(QFileInfo(strFile)); }};class ListWidget : public QObject{public : ListWidget();~ListWidget();static bool HasTheData(QListWidget* root,int role,const QString& strData){ bool has=false; for(int i=0;i<root->count();i++) { QListWidgetItem* theItem=root->item(i); QString tmpData=theItem->data(role).toString(); if(tmpData==strData) { has=true; break; } } return has;}static bool HasTheText(QListWidget* root,const QString& strText){ bool has=false; for(int i=0;i<root->count();i++) { QListWidgetItem* theItem=root->item(i); QString tmpData=theItem->text(); if(tmpData==strText) { has=true; break; } } return has;}static int CheckedItemCount(QListWidget* root){ int count=0; for(int i=0;i<root->count();i++) { QListWidgetItem* item=root->item(i); if(item->checkState()==Qt::Checked) { count++; } } return count;}static int UncheckedItemCount(QListWidget* root){ int checkedCount=CheckedItemCount(root); int totalCount=root->count(); return totalCount-checkedCount;}};class SettingMgr : public QObject{public: SettingMgr();~SettingMgr(); static QString ReadSetting(QString strFile,QString bootName,QString key) { QSettings settings(strFile,bootName); return settings.value(key).toString(); } static void WriteSetting(QString strFile,QString bootName,QString key, QString value) { QSettings settings(strFile,bootName); settings.setValue(key,value); }};class MyMessageBox : public QObject{public: MyMessageBox();~MyMessageBox(); static void ChMessageOnlyOk(QString info) { QMessageBox msg; msg.setWindowTitle(tr("提示")); msg.setText(info); msg.setIcon(QMessageBox::Information); msg.addButton(tr("确定"),QMessageBox::ActionRole); msg.exec(); } static void ChMessageOkCancel(QString info) { QMessageBox msg; msg.setWindowTitle(tr("提示")); msg.setText(info); msg.setIcon(QMessageBox::Information); msg.addButton(tr("确定"),QMessageBox::ActionRole); msg.addButton(tr("取消"),QMessageBox::ActionRole); msg.exec(); }};3、mydatahelper.h
#ifndef MYDATAHELPER_H#define MYDATAHELPER_H#include <QObject>#include <QTableView>#include <QtSql>class myDataHelper : public QObject{ Q_OBJECTpublic: explicit myDataHelper(QObject *parent = 0); explicit myDataHelper(QString dataBaseName); QSqlDatabase myDatabase; QString strConnection;public: void InitDataBase();//初始化数据库 bool OpenDataBase();//打开数据库 bool CloseDataBase();//关闭数据库 bool ExecuteSql(QString sql);//执行SQL语句 bool ExecuteSqls(QStringList sqlList);//执行一系列SQL语句 bool BindData(QString sql,QTableView *view);//绑定查询后的数据到对应表格 bool BindData(QString sql,QTableView *view,QStringList fieldList);//绑定查询后的数据到对应表格,按照fieldList顺序更改字段名称signals:public slots:};#endif // MYDATAHELPER_H4、myDatahelper.cpp
#include "mydatahelper.h"#include <QHeaderView>myDataHelper::myDataHelper(QObject *parent) : QObject(parent){}myDataHelper::myDataHelper(QString dataBaseName) : QObject(){ this->strConnection=dataBaseName;}void myDataHelper::InitDataBase(){ this->myDatabase=QSqlDatabase::addDatabase("QSQLITE","mydatasqlite"); this->myDatabase.setDatabaseName(this->strConnection);}bool myDataHelper::OpenDataBase(){ //如果还没初始化则初始化数据库 if (this->myDatabase.databaseName()=="") { this->InitDataBase(); } return this->myDatabase.open();}bool myDataHelper::CloseDataBase(){ if (this->myDatabase.isOpen()) { this->myDatabase.close(); } return true;}bool myDataHelper::ExecuteSql(QString sql){ if (this->myDatabase.isOpen()) { QSqlQueryModel *model=new QSqlQueryModel; model->setQuery(sql,this->myDatabase);//执行语句，注意最好需要指定数据库 return true; } return false; this->CloseDataBase();}bool myDataHelper::ExecuteSqls(QStringList sqlList){ if (this->myDatabase.isOpen()) { QSqlQueryModel *model=new QSqlQueryModel; for (int i=0;i<sqlList.length();++i) { model->setQuery(sqlList.at(i),this->myDatabase);//执行语句，注意最好需要指定数据库 } this->myDatabase.commit(); return true; } return false; this->CloseDataBase();}bool myDataHelper::BindData(QString sql, QTableView *view){ if (this->myDatabase.isOpen()) { QSqlQueryModel *model=new QSqlQueryModel; model->setQuery(sql,this->myDatabase);//执行语句，注意最好需要指定数据库 view->setModel(model); return true; } return false; this->CloseDataBase();}bool myDataHelper::BindData(QString sql, QTableView *view, QStringList fieldList){ if (this->myDatabase.isOpen()) { QSqlQueryModel *model=new QSqlQueryModel; model->setQuery(sql,this->myDatabase);//执行语句，注意最好需要指定数据库 for (int i=0;i<fieldList.length();++i) { model->setHeaderData(i,Qt::Horizontal,fieldList.at(i)); } view->setModel(model); view->verticalHeader()->hide();//隐藏左边那列 return true; } return false; this->CloseDataBase();}- qt 静态工具类
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