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    發布日期: 2023-07-09
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資源簡介

關于QT create平臺下的項目程序船舶機艙監控系統

資源截圖

代碼片段和文件信息

#include?“login.h“
#include?“ui_login.h“
#include?“widget.h“


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

????//登錄界面的背景設置
????this->setAutoFillBackground(true);//背景自動充滿整個窗口
????QPalette?palette;//色調板
????palette.setBrush(this->backgroundRole()QBrush(QPixmap(“2.jpg“)));
????this->setPalette(palette);
????this->setWindowtitle(“監控系統登陸界面“);
}

login::~login()
{
????delete?ui;
}

void?login::changeEvent(QEvent?*e)
{
????QWidget::changeEvent(e);
????switch?(e->type())?{
????case?QEvent::LanguageChange:
????????ui->retranslateUi(this);
????????break;
????default:
????????break;
????}
}


//登陸模塊
void?login::on_butlogin_clicked()
{
????if(ui->user->text().isEmpty()?||?ui->passwd->text().isEmpty())
????{
????????QMessageBox?message(QMessageBox::NoIcon“提示““用戶名或密碼不能為空“0);
????????message.exec();
????????return;
????}
????QSqlDatabase?db?=?QSqlDatabase::addDatabase(“QSQLITE“);//申明使用sqlite數據庫
????db.setDatabaseName(“login.db“);//給數據庫取名
????if(!db.open())//打開數據庫失敗
????{
????????QMessageBox::warning(this“服務器異常....““打開數據庫失敗“);
????????return;
????}

????QStringList?dbtablelist?=?db.tables();//將db數據庫中的所有表名以字符串的形式存放在鏈表中

????if(!dbtablelist.contains(“login“))//查看數據表是否存在,若不存在,創建數據表
????{
????????QSqlQuery?query(db);//對數據庫db進行操作
????????if(!query.exec(“create?table?login(user?varchar(20)passwd?varchar(16))“))
????????{
????????????QMessageBox::warning(this“創建表““創建表失敗“);
????????????return;
????????}

????}
????QSqlQuery?query(db);//對數據庫db進行操作
????QString?_user?=?ui->user->text();
????QString?_passwd?=?ui->passwd->text();
????//char?buf[64];
???//?sprintf(buf?“select?*?from?login?where?user?=?%s?and?passwd?=?%s“?_user?_passwd);
???//?query.exec(buf);
????if(query.exec(QString(“select?*?from?login?where?user?=?‘%1‘?and?passwd?=?‘%2‘“).arg(_user).arg(_passwd)))
????{
????????if(query.next())//如果指向的位置返回一個true則查詢成功
????????{

????????????//顯示該窗口

????????????Widget?*w;
????????????w?=?new?Widget();
????????????w->show();
????????????this->close();
????????????db.close();
????????}
????????else
????????{
????????????QMessageBox?message(QMessageBox::NoIcon“提示““用戶名或密碼不正確“0);
????????????message.exec();
????????????return;
????????}
????}

}

//注冊模塊
void?login::on_butregest_clicked()
{
????Regest?regest;
???//regest.show();
???regest.exec();
}

void?login::on_butexit_clicked()
{
????this->close();//退出界面
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????398??2010-10-27?09:09??船舶機艙監控系統\項目文檔\broadclient\broadcon.pro

?????文件??????13836??2010-11-02?23:19??船舶機艙監控系統\項目文檔\broadclient\broadcon.pro.user

?????文件?????191276??2008-05-25?20:33??船舶機艙監控系統\項目文檔\broadclient\debug\1.jpg

?????文件?????230503??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\11.jpg

?????文件?????250473??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\12.jpg

?????文件?????262510??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\13.jpg

?????文件?????286319??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\14.jpg

?????文件?????264032??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\15.jpg

?????文件?????252197??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\16.jpg

?????文件?????172676??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\17.jpg

?????文件?????420614??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\18.jpg

?????文件?????309811??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\19.jpg

?????文件?????217482??2008-05-25?20:33??船舶機艙監控系統\項目文檔\broadclient\debug\2.jpg

?????文件?????308762??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\20.jpg

?????文件?????261644??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\21.jpg

?????文件?????199077??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\22.jpg

?????文件?????221243??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\23.jpg

?????文件?????312832??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\24.jpg

?????文件?????285498??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\25.jpg

?????文件?????393516??2008-05-27?11:07??船舶機艙監控系統\項目文檔\broadclient\debug\3.jpg

?????文件?????477969??2008-05-25?18:36??船舶機艙監控系統\項目文檔\broadclient\debug\4.jpg

?????文件?????466168??2008-04-11?23:58??船舶機艙監控系統\項目文檔\broadclient\debug\5.jpg

?????文件?????640354??2008-04-11?23:57??船舶機艙監控系統\項目文檔\broadclient\debug\6.jpg

?????文件?????262769??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\7.jpg

?????文件?????230454??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\8.jpg

?????文件?????232424??2008-05-25?20:21??船舶機艙監控系統\項目文檔\broadclient\debug\9.jpg

?????文件????1898586??2010-11-02?23:18??船舶機艙監控系統\項目文檔\broadclient\debug\broadcon.exe

?????文件???????2048??2010-11-02?22:06??船舶機艙監控系統\項目文檔\broadclient\debug\login.db

?????文件??????45581??2010-06-28?20:45??船舶機艙監控系統\項目文檔\broadclient\debug\login.jpg

?????文件?????352109??2010-11-02?22:34??船舶機艙監控系統\項目文檔\broadclient\debug\login.o

............此處省略107個文件信息

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