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Copy pathdatabase.cpp
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356 lines (337 loc) · 10.9 KB
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#include "database.h"
#include "ui_database.h"
#include <QSqlRecord>
QSqlDatabase SqlSever;
int selectIndex=0;
int queryFlag=0;
int qualityIndex=0;
QString thisDatabase="QODBC";
QString thisUrl="127.0.0.1";
QString thisDBName="RemoteSensing";
QString thisUName="sa";
QString thisPassword="123456";
database::database(QWidget *parent) :
QWidget(parent),
ui(new Ui::database)
{
ui->setupUi(this);
this->setWindowTitle(QString::fromLocal8Bit("遥感数据库"));
OpenDatabase(thisDatabase,thisUrl,thisDBName,thisUName,thisPassword);
ui->comboBox->setStyleSheet("QComboBox QAbstractItemView::item{height:20px;}");
ui->comboBox->setView(new QListView());
}
database::~database()
{
delete ui;
}
/**
* @brief database::Setting
* @param url
* @param databseName
* @param userName
* @param password
* 数据库连接设置
*/
void database::Setting(QString database,QString url,QString databseName,QString userName,QString password)
{
thisDatabase=database;
thisUrl=url;
thisDBName=databseName;
thisUName=userName;
thisPassword=password;
SqlSever.close();
OpenDatabase(database,url,databseName,userName,password);
}
/**
* @brief database::OpenDatabase
* @param url
* @param databaseName
* @param userName
* @param password
* 连接数据库
*/
void database::OpenDatabase(QString database, QString url,QString databaseName,QString userName,QString password)
{
QString thisdatabase="QODBC";
QString thisUrl="127.0.0.1";
QString thisDBName="RemoteSensing";
QString thisUName="sa";
QString thisPassword="123456";
thisdatabase=database;
thisUrl=url;
thisDBName=databaseName;
thisUName=userName;
thisPassword=password;
SqlSever=QSqlDatabase::addDatabase(thisdatabase);
SqlSever.setDatabaseName(QString("DRIVER={SQL SERVER};"
"SERVER=%1;" //服务器名称
"DATABASE=%2;"//数据库名
"UID=%3;" //登录名
"PWD=%4;" //密码
).arg(thisUrl)
.arg(thisDBName)
.arg(thisUName)
.arg(thisPassword)
);
if (!SqlSever.open())
{
//数据库打开失败
QMessageBox::warning(0, qApp->tr(" Cannot open database "),
SqlSever.lastError().databaseText(), QMessageBox::Ok);
}
else
{
//数据库打开成功
QMessageBox::information(0, qApp->tr("info"),
" database has been opened! ", QMessageBox::Ok);
}
}
/**
* @brief database::on_pushButton_clicked
* 查询图像按钮响应
*/
void database::on_pushButton_clicked()//查询数据库图像
{
queryFlag=1;
ui->tableWidget->setRowCount(0);
ui->tableWidget->setColumnCount(2);
ui->tableWidget->setColumnWidth(0,30);
ui->tableWidget->setColumnWidth(1,500);
QStringList header;
header<< "ID" <<QString::fromLocal8Bit("文件名称");;
ui->tableWidget->setHorizontalHeaderLabels(header);//显示标题
ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//不允许修改
ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);//整行选中
ui->tableWidget->verticalHeader()->setVisible(false); //隐藏列表头
QSqlQuery query;
query.exec("select * from RemoteSensingImage");
int i=0;
while(query.next())
{
i++;
QString strID = QString::number(i);
ui->tableWidget->insertRow(ui->tableWidget->rowCount());
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,0,new QTableWidgetItem(strID));
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,1,new QTableWidgetItem(query.value("Name").toString()));
}
}
/**
* @brief database::on_pushButton_2_clicked
* 查询区分规则按钮响应
*/
void database::on_pushButton_2_clicked()//查询区分规则
{
queryFlag=2;
ui->tableWidget->setRowCount(0);
ui->tableWidget->setColumnCount(4);
ui->tableWidget->setColumnWidth(0,30);
ui->tableWidget->setColumnWidth(1,200);
ui->tableWidget->setColumnWidth(2,200);
QStringList header;
header<< "ID" <<QString::fromLocal8Bit("规则")<<QString::fromLocal8Bit("规则所属图像")<<QString::fromLocal8Bit("规则质量");
ui->tableWidget->setHorizontalHeaderLabels(header);//显示标题
ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//不允许修改
ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);//整行选中
ui->tableWidget->verticalHeader()->setVisible(false); //隐藏列表头
QSqlQuery query;
query.exec("select * from RemoteSensingRule");
int i=0;
while(query.next())
{
i++;
QString strID = QString::number(i);
ui->tableWidget->insertRow(ui->tableWidget->rowCount());
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,0,new QTableWidgetItem(strID));
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,1,new QTableWidgetItem(query.value("Name").toString()));
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,2,new QTableWidgetItem(query.value("OwnName").toString()));
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,3,new QTableWidgetItem(query.value("Quality").toString()));
}
}
/**
* @brief database::on_pushButton_3_clicked
* 已提取海岸线按钮响应
*/
void database::on_pushButton_3_clicked()//查询已提取海岸线
{
queryFlag=3;
ui->tableWidget->setRowCount(0);
ui->tableWidget->setColumnCount(3);
ui->tableWidget->setColumnWidth(0,30);
ui->tableWidget->setColumnWidth(1,250);
ui->tableWidget->setColumnWidth(2,250);
QStringList header;
header<< "ID" <<QString::fromLocal8Bit("海岸线")<<QString::fromLocal8Bit("海岸线所属图像");
ui->tableWidget->setHorizontalHeaderLabels(header);//显示标题
ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//不允许修改
ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);//整行选中
ui->tableWidget->verticalHeader()->setVisible(false); //隐藏列表头
QSqlQuery query;
query.exec("select * from RemoteSensingSeaLine");
int i=0;
while(query.next())
{
i++;
QString strID = QString::number(i);
ui->tableWidget->insertRow(ui->tableWidget->rowCount());
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,0,new QTableWidgetItem(strID));
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,1,new QTableWidgetItem(query.value("Name").toString()));
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1,2,new QTableWidgetItem(query.value("OwnName").toString()));
}
}
/**
* @brief database::on_pushButton_4_clicked
* 打开已选中样本响应事件
*/
void database::on_pushButton_4_clicked()//打开所选文件
{
if(selectIndex==0)
{
warningMessage();
return;
}
QSqlQuery query;
if(queryFlag==1)
{
query.exec("select * from RemoteSensingImage");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
emit sendImageName(query.value("Name").toString());
}
else if(queryFlag==2)
{
query.exec("select * from RemoteSensingRule");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
emit sendImageName(query.value("OwnName").toString());
emit sendRule(query.value("Name").toString());
}
else if(queryFlag==3)
{
query.exec("select * from RemoteSensingSeaLine");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
emit sendSeaLine(query.value("Name").toString());
}
queryFlag=0;
selectIndex=0;
ui->tableWidget->clear();
this->close();
}
/**
* @brief database::on_tableWidget_clicked
* @param index
* 获取已选中数据的index
*/
void database::on_tableWidget_clicked(const QModelIndex &index)
{
selectIndex=index.row();//从0开始计数的
++selectIndex;//变成从1开始计数的
}
/**
* @brief database::on_pushButton_5_clicked
* 删除数据库中的数据
*/
void database::on_pushButton_5_clicked()//删除数据库中的数据
{
if(selectIndex==0)
{
warningMessage();
return;
}
QSqlQuery query;
if(queryFlag==1)
{
query.exec("select * from RemoteSensingImage");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
QString str=QString("delete from RemoteSensingImage where Name='%1'").arg(query.value("Name").toString());
query.exec(str);
on_pushButton_clicked();
}
else if(queryFlag==2)
{
query.exec("select * from RemoteSensingRule");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
QString str=QString("delete from RemoteSensingRule where Name='%1'").arg(query.value("Name").toString());
query.exec(str);
on_pushButton_2_clicked();
}
else if(queryFlag==3)
{
query.exec("select * from RemoteSensingSeaLine");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
QString str=QString("delete from RemoteSensingSeaLine where Name='%1'").arg( query.value("Name").toString());
query.exec(str);
on_pushButton_3_clicked();
}
selectIndex=0;
}
/**
* @brief database::on_pushButton_6_clicked
* 设置选中规则质量
*/
void database::on_pushButton_6_clicked()
{
if(selectIndex==0)
{
warningMessage();
return;
}
QSqlQuery query;
query.exec("select * from RemoteSensingRule");
for(int i=0;i<selectIndex;i++)
{
query.next();
}
QString str ;
switch (qualityIndex) {
case 0:
warningMessage();
break;
case 1:
str=QString::fromLocal8Bit("好");//解决中文乱码
break;
case 2:
str=QString::fromLocal8Bit("中");//解决中文乱码
break;
case 3:
str=QString::fromLocal8Bit("差");//解决中文乱码
break;
}
ui->tableWidget->setItem(selectIndex-1,3,new QTableWidgetItem(str));
// 数据库中插入数据。。。。。。。。。
QString sqlUpdateStr=QString("update RemoteSensingRule set Quality ='%1' where Name='%2'").arg(str).arg(query.value("Name").toString());
query.exec(sqlUpdateStr);
selectIndex=0;
}
/**
* @brief database::on_comboBox_currentIndexChanged
* @param index
* 获取已选中规则的index
*/
void database::on_comboBox_currentIndexChanged(int index)
{
qualityIndex=index;
}
/**
* @brief database::warningMessage
* 错误，未选中行提醒
*/
void database::warningMessage()
{
QMessageBox::warning(this, "Warning",QString::fromLocal8Bit("你未选中任何行"), QMessageBox::Ok);
}