inputdepdlg.cpp

A HR database application.

// InputDepDlg.cpp : implementation file
//

#include <string.h>
#include <iomanip.h>
#include "stdafx.h"
#include "HRDB.h"
#include "InputDepDlg.h"
#include "desexec.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//引入全局SQL环境变量
extern SQLHENV    henv;
extern SQLHDBC    hdbc;
extern SQLHSTMT   hstmt;
extern SQLRETURN  retcode;

/////////////////////////////////////////////////////////////////////////////
// CInputDepDlg dialog


CInputDepDlg::CInputDepDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CInputDepDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInputDepDlg)
	m_intDLocationID = 0;
	m_intDepartmentID = 0;
	m_strDepartmentName = _T("");
	m_intManagerID = 0;
	//}}AFX_DATA_INIT
}


void CInputDepDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInputDepDlg)
	DDX_Control(pDX, IDC_INPUT_MANAGER_ID, m_editManagerID);
	DDX_Control(pDX, IDC_INPUT_DEPARTMENT_NAME, m_editDepartmentName);
	DDX_Control(pDX, IDC_INPUT_DEPARTMENT_ID, m_editDepartmentID);
	DDX_Control(pDX, IDC_INPUT_D_LOCATION_ID, m_editDLocationID);
	DDX_Text(pDX, IDC_INPUT_D_LOCATION_ID, m_intDLocationID);
	DDX_Text(pDX, IDC_INPUT_DEPARTMENT_ID, m_intDepartmentID);
	DDX_Text(pDX, IDC_INPUT_DEPARTMENT_NAME, m_strDepartmentName);
	DDX_Text(pDX, IDC_INPUT_MANAGER_ID, m_intManagerID);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CInputDepDlg, CDialog)
	//{{AFX_MSG_MAP(CInputDepDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInputDepDlg message handlers

BOOL CInputDepDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CInputDepDlg::OnCancel() 
{
	CDialog::OnCancel();
}

void CInputDepDlg::OnOK() 
{
	// 使用参数绑定的方法向表中插入数据
	SQLUINTEGER  department_id;
	SQLVARCHAR   department_name[30];
	SQLUINTEGER  manager_id;
	SQLUINTEGER  location_id;
	SQLINTEGER   department_idInd = 0, department_nameLenOrInd = 0;
	SQLINTEGER   manager_idInd = 0, location_idInd = 0;

	// 准备包含参数标志符的SQL语句
	TODBCs( hstmt, SQLPrepare( hstmt,                        
	   (unsigned char *)"insert into departments (department_id, department_name, manager_id, \
	   location_id) Values (?, ?, ?, ?)", SQL_NTS ) );
	
	// 为每一个参数都调用函数SQLBindParameter, 绑定相应的参数
	TODBCs( hstmt, SQLBindParameter( hstmt, 1, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER,
	                            4, 0, &department_id, 0, &department_idInd ) );
	TODBCs( hstmt, SQLBindParameter( hstmt, 2, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_VARCHAR,
	                            30, 0, department_name, sizeof(department_name), &department_nameLenOrInd ) );
	TODBCs( hstmt, SQLBindParameter( hstmt, 3, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER,
	                            4, 0, &manager_id, 0, &manager_idInd ) );
	TODBCs( hstmt, SQLBindParameter( hstmt, 4, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER,
	                            4, 0, &location_id, 0, &location_idInd ) );

	// 先给参数变量赋值，然后执行SQL语句，向表中插入新记录
	UpdateData(TRUE); //更新控件关联变量
	department_id = m_intDepartmentID;
	strcpy( (char *)department_name, m_strDepartmentName);
	manager_id = m_intManagerID;
	location_id = m_intDLocationID;
	department_nameLenOrInd = SQL_NTS;
	retcode = TODBCs( hstmt, SQLExecute(hstmt) );

	if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
	{
		//捕获异常
		AfxMessageBox("无权添加,或添加失败!");
	}

	// 释放绑定的参数
	TODBCs( hstmt, SQLFreeStmt( hstmt, SQL_RESET_PARAMS ) );
	
	// 释放绑定的参数
	TODBCs( hstmt, SQLFreeStmt( hstmt, SQL_UNBIND ) );

	m_editDepartmentID.SetWindowText("");
	m_editDepartmentName.SetWindowText("");
	m_editManagerID.SetWindowText("");
	m_editDLocationID.SetWindowText("");

	//CDialog::OnOK();
}