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   源码介绍

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简单MFC程序设计，基于C语言，可实现员工的管理，可修改员工的权限信息

// QuanxianDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Guanli.h"
#include "QuanxianDlg.h"

#include "InfoDlg.h"
#include "InputDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CQuanxianDlg dialog


CQuanxianDlg::CQuanxianDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CQuanxianDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CQuanxianDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CQuanxianDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CQuanxianDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CQuanxianDlg, CDialog)
	//{{AFX_MSG_MAP(CQuanxianDlg)
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_DEL, OnDel)
	ON_BN_CLICKED(IDC_MODI, OnModi)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CQuanxianDlg message handlers

void CQuanxianDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	//CDialog::OnOK();
}

void CQuanxianDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CQuanxianDlg::OnAdd() 
{
	SUser u;
	GetDlgItemText(IDC_NAME,u.sName,sizeof(u.sName));
	strlwr(u.sName);
	CListCtrl*pList=(CListCtrl*)GetDlgItem(IDC_LIST);
	int i=0,nCount=pList->GetItemCount();
	while(i<nCount)
	{
		if(pList->GetItemText(i,0)==u.sName)
		{
			AfxMessageBox("用户已经存在！");
			return ;
		}
		  i;
	}
	pList->InsertItem(nCount,u.sName);
	GetDlgItemText(IDC_PASS,u.sPass,sizeof(u.sPass));
	pList->SetItemText(nCount,1,u.sPass);
	CComboBox*pComb=(CComboBox*)GetDlgItem(IDC_QUANXIAN);
	int nSel=pComb->GetCurSel();
	if(nSel)
		pList->SetItemText(nCount,2,"高级");
	else
		pList->SetItemText(nCount,2,"普通");
}

void CQuanxianDlg::OnDel() 
{
	CListCtrl*pList=(CListCtrl*)GetDlgItem(IDC_LIST);
	POSITION pos=pList->GetFirstSelectedItemPosition();
	int nSel=pList->GetNextSelectedItem(pos);
	if(nSel<0)
	{
		AfxMessageBox("请选择一个账号再删除！");
		return ;
	}
	if(pList->GetItemText(nSel,0)=="admin")
		return ;
	CString str;
	str.Format("确定要删除用户%s吗？",pList->GetItemText(nSel,0));
	if(IDYES==AfxMessageBox(str,MB_YESNO))
		pList->DeleteItem(nSel);
}

void CQuanxianDlg::OnModi() 
{
	CListCtrl*pList=(CListCtrl*)GetDlgItem(IDC_LIST);
	POSITION pos=pList->GetFirstSelectedItemPosition();
	int nSel=pList->GetNextSelectedItem(pos);
	if(nSel<0)
	{
		AfxMessageBox("请选择一个账号再修改！");
		return ;
	}
	char sPass[20];
	GetDlgItemText(IDC_PASS,sPass,sizeof(sPass));
	pList->SetItemText(nSel,1,sPass);
	CComboBox*pComb=(CComboBox*)GetDlgItem(IDC_QUANXIAN);
	CString str;
	pComb->GetWindowText(str);
	if(pList->GetItemText(nSel,0)!="admin")
		pList->SetItemText(nSel,2,str);
}

void CQuanxianDlg::OnDestroy() 
{
	CDialog::OnDestroy();
		
	CFile file;
	if(!file.Open("./user.dat",CFile::modeCreate|CFile::modeWrite))
	{
		AfxMessageBox("保存文件时失败！");
		return ;
	}
	CListCtrl*pList=(CListCtrl*)GetDlgItem(IDC_LIST);
	int i=0,nCount=pList->GetItemCount();
	SUser u;
	while(i<nCount)
	{
		pList->GetItemText(i,0,u.sName,sizeof(u.sName));
		pList->GetItemText(i,0,u.sPass,sizeof(u.sPass));
		u.nQuanx=pList->GetItemText(i,2)=="高级";
		file.Write(&u,sizeof(u));
		  i;
	}
	file.Close();
}

BOOL CQuanxianDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	CListCtrl*pList=(CListCtrl*)GetDlgItem(IDC_LIST);
	pList->InsertColumn(0,"账号",0,100);
	pList->InsertColumn(1,"密码",0,100);
	pList->InsertColumn(2,"权限",0,100);
	ReadUser(pList);
	CComboBox*pComb=(CComboBox*)GetDlgItem(IDC_QUANXIAN);
	pComb->AddString("普通");
	pComb->AddString("高级");
	pComb->SetCurSel(0);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CQuanxianDlg::ReadUser(CListCtrl *pList)
{
	CFile file;
	if(!file.Open("./user.dat",CFile::modeRead|CFile::shareDenyNone))
		return;
	pList->DeleteAllItems();
	SUser u;
	int i=0;
	while(file.Read(&u,sizeof(u))==sizeof(u))
	{
		pList->InsertItem(i,u.sName);
		pList->SetItemText(i,1,u.sPass);
		pList->SetItemText(i,2,u.nQuanx?"高级":"普通");
		  i;
	}
	file.Close();
}