#include?“logindialog.h“
#include?“ui_logindialog.h“
#include?
#include?
#include?“register.h“
#include?“connection.h“
#include?


QString?helper::userid=““;

LoginDialog::LoginDialog（QWidget?*parent）?:
????QDialog（parent）
????ui（new?Ui::LoginDialog）
{
????ui->setupUi（this）;

????setWindowtitle（tr（“登陸“））;????

????connect（ui->logPwdLESIGNAL（returnPressed（））thisSLOT（on_loginBtn_clicked（）））;

}



LoginDialog::~LoginDialog（）
{
????delete?ui;
}
//登錄按鈕
void?LoginDialog::on_loginBtn_clicked（）
{
????if?（ui->logIdLE->text（）.isEmpty（））
????{
????????QMessageBox::information（this?tr（“登錄失敗“）tr（“請輸入賬號！“）?QMessageBox::Ok）;
????????ui->logIdLE->setFocus（）;
????}
????else?if（ui->logPwdLE->text（）.isEmpty（））
????{
???????QMessageBox::information（thistr（“登錄失敗“）tr（“請輸入密碼！“）QMessageBox::Ok）;
???????ui->logPwdLE->setFocus（）;
????}
????else
????{
????????QSqlDatabase?db;
????????if（!createConnection（db））
????????{
????????????qDebug（）<<“logindialog?database?not?connect“;
????????}
????????QSqlQuery?query（db）;
????????query.prepare（“select?*?from?Tuser?where?id=?“）;
????????query.addBindValue（ui->logIdLE->text（））;
????????query.exec（）;
????????if（query.next（））
????????{
????????????if?（query.value（1）.toString（）?==?ui->logPwdLE->text（））
????????????{
????????????????helper::userid?=?ui->logIdLE->text（）;
????????????????QDialog::accept（）;
????????????}
????????????else
????????????{
????????????????QMessageBox::warning（this?tr（“賬號密碼錯誤“）
?????????????????????????????????????tr（“請輸入正確的賬號密碼再登錄！“）?QMessageBox::Ok）;
????????????????ui->logIdLE->clear（）;
????????????????ui->logPwdLE->clear（）;
????????????????ui->logIdLE->setFocus（）;
????????????}
????????}
????????else
????????????QMessageBox::information（thistr（“提示“）tr（“沒有此賬號！“）QMessageBox::Ok）;
????????db.close（）;????????
????}
}
//退出按鈕
void?LoginDialog::on_exitBtn_clicked（）
{
????QDialog::reject（）;
}
//注冊按鈕
void?LoginDialog::on_regBtn_clicked（）
{
????Register?regDlg;
????regDlg.exec（）;
}

void?LoginDialog::paintEvent（QPaintEvent?*）
{
????QPainter?painter（this）;
????painter.drawPixmap（00width（）height（）QPixmap（“:/image1.jpg“））;

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-06-17?15:11??libraryManager\
?????文件???????49166??2015-06-16?17:27??libraryManager\book.ico
?????文件????????1679??2015-06-17?14:37??libraryManager\connection.h
?????文件??????????94??2015-06-08?14:30??libraryManager\image.qrc
?????文件??????473454??2015-06-08?11:19??libraryManager\image1.jpg
?????文件??????150185??2015-06-08?14:33??libraryManager\image2.jpg
?????文件?????????578??2015-06-16?17:27??libraryManager\libraryManager.pro
?????文件???????33629??2015-06-17?15:11??libraryManager\libraryManager.pro.user
?????文件????????2359??2015-06-15?09:46??libraryManager\logindialog.cpp
?????文件?????????591??2015-06-08?14:18??libraryManager\logindialog.h
?????文件????????3037??2015-06-12?17:22??libraryManager\logindialog.ui
?????文件?????????451??2015-06-11?15:44??libraryManager\main.cpp
?????文件????????3145??2015-06-16?17:00??libraryManager\register.cpp
?????文件?????????407??2015-06-03?11:44??libraryManager\register.h
?????文件????????3965??2015-06-08?11:39??libraryManager\register.ui
?????文件???????25792??2015-06-17?15:11??libraryManager\widget.cpp
?????文件????????1272??2015-06-12?16:45??libraryManager\widget.h
?????文件???????25970??2015-06-16?17:31??libraryManager\widget.ui