基于c++和Qt开发的电子邮件系统源码+代码注释.zip

#include "mainwindow.h" #include "ui_mainwindow.h" #include "user.h" #include <QButtonGroup> #include <QFontDialog> MainWindow::MainWindow(QString name,QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); setWindowTitle("我的邮箱"); //连接listWidget和stackedWidget connect(ui->listWidget,SIGNAL(currentRowChanged(int)),ui->stackedWidget,SLOT(setCurrentIndex(int))); user = new User(name); init_sendLetter(); //tableWidget布局 init_tableWidget(); init_person(); timer = new QTimer(); timer->start(10000); connect(timer, SIGNAL(timeout()),this, SLOT(updateTime())); //添加表内信息 display(user->username); } /** * 刷新tableWidget */ void MainWindow::updateTime() { display(user->username); init_person(); } MainWindow::~MainWindow() { delete ui; } /** * 个人信息 */ void MainWindow::init_person() { QSqlQuery qry; qry.prepare( "SELECT * from user WHERE userid = '"+user->username+"' " ); if( !qry.exec() ) qDebug() << qry.lastError(); else qDebug( "SELECT!" ); qry.next(); ui->label_person_id->setText(user->username); ui->label_person_name->setText(qry.value(4).toString()); ui->label_person_address->setText(qry.value(5).toString()); ui->label_person_phone->setText(qry.value(6).toString()); ui->label_person_time->setText(qry.value(7).toString()); if(qry.value(8).toString()!="") ui->label_18->setStyleSheet("\nborder-image: url("+qry.value(8).toString()+");"); if(qry.value(4).toString()!=""){ ui->label_firstPage_name->setText(qry.value(4).toString()+"，您好"); } else{ ui->label_firstPage_name->setText(user->username+"，您好"); } } void MainWindow::init_sendLetter() { MainLayout = new QVBoxLayout(this); toplayout = new QHBoxLayout(); toplayout->addWidget(ui->Btn_send); toplayout->addWidget(ui->Btn_preview); toplayout->addWidget(ui->Btn_draft); toplayout->addWidget(ui->Btn_cancel); toplayout->addStretch(); toplayout->addWidget(ui->Btn_resend); toplayout->addWidget(ui->Btn_sendsecret); toplayout->addWidget(ui->Btn_qfdx); toplayout->addWidget(ui->Btn_invite); middlelayout = new QGridLayout; middlelayout->addWidget(ui->label_reciever,0,0); middlelayout->addWidget(ui->Editor_reciever,0,1); middlelayout->addWidget(ui->label_theme,1,0); middlelayout->addWidget(ui->Editor_theme,1,1); Buttonlayout = new QHBoxLayout(); fontLabel1 = new QLabel(tr("字体:")); fontComboBox = new QFontComboBox; fontComboBox->setFontFilters(QFontComboBox::ScalableFonts); fontLabel2 = new QLabel(tr("字号:")); sizeComboBox = new QComboBox; QFontDatabase db; foreach(int size, db.standardSizes()) { sizeComboBox->addItem(QString::number(size)); } QSize size(24,24); boldBtn = new QToolButton; boldBtn->setIcon(QIcon(":/res/bold.PNG")); boldBtn->setCheckable(true); boldBtn->setIconSize(size); boldBtn->setAutoRaise(true); italicBtn = new QToolButton; italicBtn->setIcon(QIcon(":/res/italic.PNG")); italicBtn->setCheckable(true); italicBtn->setIconSize(size); italicBtn->setAutoRaise(true); underlineBtn = new QToolButton; underlineBtn->setIcon(QIcon(":/res/underline.PNG")); underlineBtn->setCheckable(true); underlineBtn->setIconSize(size); underlineBtn->setAutoRaise(true); colorBtn = new QToolButton; colorBtn->setIcon(QIcon(":/res/color.PNG")); colorBtn->setIconSize(size); colorBtn->setAutoRaise(true); Btgrp2 = new QButtonGroup; //undo/redo Action undoAction = new QToolButton; undoAction->setIcon(QIcon(":/res/undo.PNG")); undoAction->setIconSize(size); undoAction->setAutoRaise(true); Btgrp2->addButton(undoAction,1); redoAction= new QToolButton; redoAction->setIcon(QIcon(":/res/redo.PNG")); redoAction->setIconSize(size); redoAction->setAutoRaise(true); Btgrp2->addButton(redoAction,2); connect(Btgrp2,SIGNAL(buttonClicked(int)),this,SLOT(unredo(int))); //排版 Btgrp = new QButtonGroup; leftAction= new QToolButton; leftAction->setIcon(QIcon(":/res/left.PNG")); leftAction->setCheckable(true); leftAction->setIconSize(size); leftAction->setAutoRaise(true); Btgrp->addButton(leftAction,1); rightAction= new QToolButton; rightAction->setIcon(QIcon(":/res/right.PNG")); rightAction->setCheckable(true); rightAction->setIconSize(size); rightAction->setAutoRaise(true); Btgrp->addButton(rightAction,2); centerAction= new QToolButton; centerAction->setIcon(QIcon(":/res/center.PNG")); centerAction->setCheckable(true); centerAction->setIconSize(size); centerAction->setAutoRaise(true); Btgrp->addButton(centerAction,3); justifyAction= new QToolButton; justifyAction->setIcon(QIcon(":/res/justify.PNG")); justifyAction->setCheckable(true); justifyAction->setIconSize(size); justifyAction->setAutoRaise(true); Btgrp->addButton(justifyAction,4); connect(Btgrp,SIGNAL(buttonClicked(int)),this,SLOT(ShowAlignment(int))); Buttonlayout->addWidget(boldBtn); Buttonlayout->addWidget(italicBtn); Buttonlayout->addWidget(underlineBtn); Buttonlayout->addWidget(colorBtn); Buttonlayout->addWidget(leftAction); Buttonlayout->addWidget(centerAction); Buttonlayout->addWidget(rightAction); Buttonlayout->addWidget(justifyAction); Buttonlayout->addWidget(fontLabel2); Buttonlayout->addWidget(sizeComboBox); Buttonlayout->addWidget(fontLabel1); Buttonlayout->addWidget(fontComboBox); // Buttonlayout->addWidget(action); Buttonlayout->addWidget(undoAction); Buttonlayout->addWidget(redoAction); Buttonlayout->addWidget(ui->toolButton); Buttonlayout->addWidget(ui->Btn_add); Buttonlayout->addStretch(); buttomlayout = new QHBoxLayout(); buttomlayout->addWidget(ui->Btn_send_2); buttomlayout->addWidget(ui->Btn_cancel_2); buttomlayout->addStretch(); MainLayout->addLayout(toplayout); MainLayout->addLayout(middlelayout); MainLayout->addLayout(Buttonlayout); MainLayout->addWidget(ui->textEdit); MainLayout->addWidget(ui->label_sender); MainLayout->addLayout(buttomlayout); ui->page_Writeletter->setLayout(MainLayout); connect(fontComboBox,SIGNAL(activated(QString)),this,SLOT(ShowFontComboBox(QString))); connect(sizeComboBox,SIGNAL(activated(QString)),this,SLOT(ShowSizeSpinBox(QString))); connect(boldBtn,SIGNAL(clicked()),this,SLOT(ShowBoldBtn())); connect(italicBtn,SIGNAL(clicked()),this,SLOT(ShowItalicBtn())); connect(underlineBtn,SIGNAL(clicked()),this,SLOT(showUnderlineButton())); connect(colorBtn,SIGNAL(clicked()),this,SLOT(ShowColorBtn())); connect( ui->textEdit, SIGNAL( currentCharFormatChanged( const QTextCharFormat & ) ), this, SLOT( ShowCurrentFormatChanged(const QTextCharFormat&))); connect(ui->Btn_send,SIGNAL(clicked()),this,SLOT(button_send())); connect(ui->Btn_send_2,SIGNAL(clicked()),this,SLOT(button_send())); } void MainWindow::ShowBoldBtn() { QTextCharFormat fmt; fmt.setFontWeight(boldBtn->isChecked()?QFont::Bold:QFont::Normal); ui->textEdit->mergeCurrentCharFormat(fmt); } void MainWindow::ShowItalicBtn() { QTextCharFormat fmt; fmt.setFontItalic(italicBtn->isChecked()); ui->textEdit->mergeCurrentCharFormat(fmt); } void MainWindow::showUnderlineButton() { QTextCharFormat fmt; fmt.setFontUnderline(underlineBtn->isChecked()); ui->textEdit->mergeCurrentCharFormat(fmt); qDebug()<<"underline!!!"; } void MainWindow::ShowColorBtn() { QColor color = QColorDialog::getColor(Qt::red,this); if(color.isValid()){ QTextCharFormat fmt; fmt.setForeground(color); ui->textEdit->mergeCurrentCharFormat(fmt); }