...

代码/cpp/car_dealer_util/source/Data/AppParameters/AppParameters.cpp

@@ -0,0 +1,4 @@
+
+#include "AppParameters.h"
+
+UserInfo * pStaffInfo = nullptr;

代码/cpp/car_dealer_util/source/Data/AppParameters/AppParameters.h

@@ -0,0 +1,7 @@
+
+#pragma once
+
+#include <iostream>
+#include "../Datastructure/UserInfo/UserInfo.h"
+
+extern UserInfo * pStaffInfo;

代码/cpp/car_dealer_util/source/Data/query/query_user.cpp

@@ -21,12 +21,12 @@ UserInfo queryUserInfo( const string & userName,
 	int              returnCode = 0;
 
 
-	otext szSqlQueryStaff[] =
+	string sqlQueryStaff =
 			"SELECT a.staff_p13, a.staff_name, b.staff_post \n"
 			"FROM staff_info a, \n"
 			"staff_post_code b \n"
 			"WHERE a.staff_post_code = b.staff_post_code \n"
-			"AND a.staff_p13 = :p13 ";
+			"AND a.staff_p13 = :p13";
 
 	returnCode = OCI_Initialize( l_error_handler, nullptr, OCI_ENV_DEFAULT );
 
@@ -56,16 +56,16 @@ UserInfo queryUserInfo( const string & userName,
 	{
 		pStmt = OCI_StatementCreate( pConn );
 
+		OCI_Prepare(pStmt, sqlQueryStaff.c_str());
 		OCI_AllowRebinding( pStmt, true );
-		OCI_Prepare( pStmt, szSqlQueryStaff );
-
 		OCI_BindString( pStmt, ":p13", const_cast<otext*>(staffP13.c_str()), staffP13.size() );
+		
 		OCI_Execute( pStmt );
-
+		
 		pResult = OCI_GetResultset( pStmt );
 
 		//检查结果集，如果没有返回，则说明没有此用户	
-		if ( OCI_FetchFirst( pResult ) == false )
+		if ( OCI_FetchNext( pResult ) == false )
 		{
 			throw runtime_error( "用户不存在！" );
 		}

代码/cpp/car_dealer_util/source/Data/query/query_user.h

@@ -2,4 +2,9 @@
 #pragma once
 
 #include <iostream>
+#include "../Datastructure/UserInfo/UserInfo.h"
 
+UserInfo queryUserInfo( const std::string & userName,
+                        const std::string & password,
+                        const std::string & tnsName,
+                        const std::string & staffP13 );

代码/cpp/car_dealer_util/source/widgets/LoginWidget/QLoginDialog.cpp

@@ -1,5 +1,12 @@
-#include "QLoginDialog.h"
+#include <iostream>
+#include "QLoginDialog.h"
 #include "../../system/system_util.h"
+#include "../../data/Datastructure/UserInfo/UserInfo.h"
+#include "../../data/query/query_user.h"
+#include "../../data/AppParameters/AppParameters.h"
+#include <QMessageBox>
+
+using namespace std;
 
 QLoginDialog::QLoginDialog( QWidget * parent )
 	: QDialog( parent )
@@ -24,26 +31,40 @@ void QLoginDialog::initData()
 {
 	returnCode = EXIT;
 
-	systemUserName = QString::fromStdWString(getUserName());
+	systemUserName = QString::fromStdWString( getUserName() );
 }
 
 void QLoginDialog::initSignal()
 {
-	connect(ui.pButtonOK, SIGNAL(clicked()), this, SLOT(onOK()));
-	connect(ui.pButtonExit, SIGNAL(clicked()), this, SLOT(onExit()));
+	connect( ui.pButtonOK, SIGNAL( clicked() ), this, SLOT( onOK() ) );
+	connect( ui.pButtonExit, SIGNAL( clicked() ), this, SLOT( onExit() ) );
 }
 
 void QLoginDialog::initWidgets()
 {
 	setLayout( ui.pLayoutMain );
 
-	ui.pEditSystemUserName->setText(systemUserName);
+	ui.pEditSystemUserName->setText( systemUserName );
+
+	try
+	{
+		queryStaffInfo( systemUserName );
+	}
+	catch ( runtime_error & error )
+	{
+		//如果出现异常，就不让用户继续登录
+		QMessageBox::critical( nullptr,
+		                       "错误，请联系管理员!",
+		                       QString::fromLocal8Bit( error.what() ) );
+
+		ui.pButtonOK->setEnabled( false );
+	}
 }
 
 void QLoginDialog::onOK()
 {
 	returnCode = OK;
-	
+
 	this->close();
 }
 
@@ -53,3 +74,19 @@ void QLoginDialog::onExit()
 
 	this->close();
 }
+
+void QLoginDialog::queryStaffInfo( const QString & systemUserName )
+{
+	string userName = "car_dealer";
+	string password = "cpic123456";
+	string tnsName  = "xmcx1";
+
+	string staffP13 = systemUserName.toLocal8Bit();
+
+	UserInfo && info = queryUserInfo( userName,
+	                                  password,
+	                                  tnsName,
+	                                  staffP13 );
+
+	pStaffInfo = new UserInfo( info );
+}

代码/cpp/car_dealer_util/source/widgets/LoginWidget/QLoginDialog.h

@@ -27,6 +27,9 @@ protected Q_SLOTS:
 	void onOK();
 	void onExit();
 
+private:
+	void queryStaffInfo( const QString & systemUserName );
+
 private:
 	Ui::QLoginDialog ui;
 	ReturnCode returnCode;