資源簡介
QT+mysql 圖書管理系統搭建

代碼片段和文件信息
#include?“add_user.h“
#include?“ui_add_user.h“
#include?
#include?
#include?se>
#include?
#include??
#include?
#include?
#include?
#include?
add_user::add_user(QWidget?*parent)?:
????QDialog(parent)
????ui(new?Ui::add_user)
{
????ui->setupUi(this);
}
add_user::~add_user()
{
????delete?ui;
}
void?add_user::on_pushButton_clicked()
{
?????QSqlQuery?query;
?????int?exist=0;
?????QString?cno=ui->lineEdit->text();
?????QString?name=ui->lineEdit_6->text();
?????QString?dept=ui->lineEdit_5->text();
?????QString?type=ui->lineEdit_8->text();
?????QString?name0cno0;
?????if(cno.isEmpty())
?????{
?????????QMessageBox::warning(thistr(“Warning“)tr(“Input?cno!“)QMessageBox::Yes);
?????????return;
?????}
?????query.exec(“select?*?from?card“);
???while(?query.next())
??????{//指向第一條記錄
?????cno0=query.value(0).toString();
?????if(!QString::compare(cnocno0))?//用戶已存在
?????{
?????????exist=1;
?????break;
?????}
??}
???if(exist)
???{
??????????????QMessageBox::warning(thistr(“Warning“)tr(“ID?exists“)QMessageBox::Yes);
???}
??????else
??????{
??????????query.prepare(“INSERT?INTO?card?(cnonamedepartmenttype)?values(:cno:name:department:type)“);?//準備執行SQL查詢
??????????query.bindValue(“:cno“?cno);???//在這定占位符上確定綁定的值
??????????query.bindValue(“:name“?name);
??????????query.bindValue(“:department“dept);
??????????query.bindValue(“:type“type);
??????????query.exec();
??????????QMessageBox::warning(thistr(“提示“)tr(“Insert?success“)QMessageBox::Yes);
??????}
???ui->lineEdit->clear();
???ui->lineEdit_5->clear();
???ui->lineEdit_6->clear();
???ui->lineEdit_8->clear();
}
void?add_user::on_pushButton_2_clicked()
{
????QSqlQuery?query;
????int?exist=0;
????QString?cno=ui->lineEdit_2->text();
????QString?cno0;
????query.exec(“select?*?from?card“);
??while(?query.next())
?????{//指向第一條記錄
????cno0=query.value(0).toString();
????if(!QString::compare(cnocno0))?//用戶存在
????{
????exist=1;
????break;
????}
?}
??if(!exist)
??{
???????QMessageBox::warning(thistr(“warning“)tr(“ID?doesn‘t?exist!“)QMessageBox::Yes);
??}
??else
??{
??????query.prepare(“delete?from?card?where?cno=:cno“);?//準備執行SQL查詢
??????query.bindValue(“:cno“?cno);???//在這定占位符上確定綁定的值
??????query.exec();
???????QMessageBox::warning(thistr(“提示“)tr(“Delete?success“)QMessageBox::Yes);
??}
?????ui->lineEdit_2->clear();
}
void?add_user::on_pushButton_3_clicked()
{
????QSqlQuery?query;
????QString?bno=ui->lineEdit_3->text();
????QString?category=ui->lineEdit_4->text();
????QString?title=ui->lineEdit_7->text();
????QString?press=ui->lineEdit_9->text();
????QString?year=ui->lineEdit_10->text();
????QString?author=ui->lineEdit_11->text();
????QString?price=ui->lineEdit_12->text();
????QString?total=ui->lineEdit_13->text();
????QString?bno0;
????QString?c0;
????QString?t0;
????QString?press0y0a0
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????866??2017-05-15?10:20??圖書管理系統\connect.h
?????文件?????????901??2017-04-16?10:12??managelibrary創建.sql
?????文件?????????130??2017-04-26?20:35??入庫.sql
?????文件?????????854??2017-04-26?20:35??readme.txt
?????目錄???????????0??2017-04-26?17:15??圖書管理系統\
?????文件????????5820??2017-04-22?23:22??圖書管理系統\add_user.cpp
?????文件?????????420??2017-04-19?00:09??圖書管理系統\add_user.h
?????文件???????11922??2017-04-25?23:18??圖書管理系統\add_user.ui
?????文件????????5922??2017-04-25?22:43??圖書管理系統\brrt.cpp
?????文件?????????475??2017-04-23?09:41??圖書管理系統\brrt.h
?????文件????????3778??2017-04-25?23:34??圖書管理系統\brrt.ui
?????文件????????2342??2017-04-25?22:46??圖書管理系統\dialog.cpp
?????文件?????????365??2017-04-17?13:50??圖書管理系統\dialog.h
?????文件????????3220??2017-04-23?10:32??圖書管理系統\dialog.ui
?????文件?????????759??2017-04-17?15:22??圖書管理系統\main.cpp
?????文件????????2692??2017-04-20?02:29??圖書管理系統\mainwindow.cpp
?????文件?????????441??2017-04-20?02:30??圖書管理系統\mainwindow.h
?????文件????????8393??2017-04-22?23:31??圖書管理系統\mainwindow.ui
?????文件????????1198??2017-04-20?00:17??圖書管理系統\test.pro
?????文件???????23893??2017-04-26?22:23??圖書管理系統\test.pro.user
?????文件???????23893??2017-04-17?15:24??圖書管理系統\test.pro.user.166960c
?????文件???????23875??2017-04-19?13:30??圖書管理系統\test.pro.user.2a3cd6a
?????文件???????23859??2017-04-20?00:31??圖書管理系統\test.pro.user.a30ff5f
?????文件???????23756??2017-04-20?02:32??圖書管理系統\test.pro.user.cc933e0
- 上一篇:最新淘寶商品類目數據.sql
- 下一篇:SQL數據庫課程設計,酒店管理系統
評論
共有 條評論