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在VS2013環境下，編寫的C語言Windows程序設計，機房收費管理系統。代碼僅僅使用C語言調用Windows API函數和MYSQL數據庫專用庫文件編寫。有C語言基礎的，簡單易懂。代碼沒有優化，思路很清晰。沒有省略的代碼，我都沒有省略。
代碼片段和文件信息
#include?
#include?
#include?
#include?
#include?
#include?
LRESULT?CALLBACK?login_WndProc（HWND?UINT?WPARAM?LPARAM）;????????//聲明用來處理消息的函數
LRESULT?CALLBACK?main_WndProc（HWND?UINT?WPARAM?LPARAM）;
LRESULT?CALLBACK?create_user_WndProc（HWND?UINT?WPARAM?LPARAM）;????????//子窗口窗口過程
static?TCHAR?C_U_W[]?=?TEXT（“C_U_W“）;
LRESULT?CALLBACK?user_Find_WndProc（HWND?UINT?WPARAM?LPARAM）;????????//子窗口窗口過程
static?TCHAR?U_F[]?=?TEXT（“U_F“）;
LRESULT?CALLBACK?Find_msg_WndProc（HWND?UINT?WPARAM?LPARAM）;????????//子窗口窗口過程
static?TCHAR?F_m[]?=?TEXT（“F_m“）;
BOOL?login（）;
BOOL?main_windows（）;
BOOL?register_windows（）;
void?refresh（）;
static?int?flag?=?0;
static?HWND?create_user;
static?HWND?button1;
static?HWND?button2;
static?HWND?name;
static?HWND?student_num;
static?HWND?class;
static?HWND?balance;
static?HWND?find;
HWND?ListView;
HWND?ListView0;
char??*error;
DWORD?line_num?=?0;
DWORD?records_line?=?0;
HWND?Find_msg;
HWND??hwndListView_find;
HWND?user_Find;
HWND?recharge;
HWND?statement;
WCHAR??find_msg_recharge[32]?=?{?‘0‘?};
WCHAR??find_msg[32];
int?WINAPI?WinMain（HINSTANCE?hInstance?HINSTANCE?hPrevInstance?PSTR?szCmdLine?int?iCmdShow）
{
//main_windows（hInstance?hPrevInstance?szCmdLine?iCmdShow）;
//?return?0;
login（hInstance?hPrevInstance?szCmdLine?iCmdShow）;
if?（flag?==?1）
{
main_windows（hInstance?hPrevInstance?szCmdLine?iCmdShow）;
}
else
{
return?0;
}
return?0;
}
/*BOOL?register_windows（HINSTANCE?hInstance?HINSTANCE?hPrevInstance?PSTR?szCmdLine?int?iCmdShow）
{
static?TCHAR?szAppName[]?=?TEXT（“windows“）;
WNDCLASS?windows;????????//聲明一個窗口類對象
//以下為窗口類對象wndclass的屬性
windows.style?=?CS_HREDRAW?|?CS_VREDRAW;?????????????????????????//窗口樣式
windows.lpszClassName?=?szAppName;?????????????????????????//窗口類名
windows.lpszMenuName?=?NULL;?????????????????????????????????????//窗口菜單:無
windows.hbrBackground?=?（HBRUSH）GetStockobject（WHITE_BRUSH）;????//窗口背景顏色
windows.lpfnWndProc?=?main_WndProc;???????????????????????????????????//窗口處理函數
windows.cbWndExtra?=?0;??????????????????????????????????????????//窗口實例擴展:無
windows.cbClsExtra?=?0;??????????????????????????????????????????//窗口類擴展:無
windows.hInstance?=?hInstance;??????????????????????????????????//窗口實例句柄
windows.hIcon?=?LoadIcon（NULL?IDI_APPLICATION）;???????????????//窗口最小化圖標:使用缺省圖標
windows.hCursor?=?LoadCursor（NULL?IDC_ARROW）;?????????????????//窗口采用箭頭光標
if?（!RegisterClass（&windows））
{????//注冊窗口類?如果注冊失敗彈出錯誤提示
MessageBox（NULL?TEXT（“窗口注冊失敗!“）?TEXT（“錯誤“）?MB_OK?|?MB_IConerror）;
return?NULL;
}
return?RegisterClass（&windows）;
}*/
BOOL??login（HINSTANCE?hInstance?HINSTANCE?hPrevInstance?PSTR?szCmdLine?int?iCmdShow）?
{
static?TCHAR?login_szAppName[]?=?TEXT（“login“）;
HWND??login;
MSG?login_msg;
WNDCLASS?login_wndclass;????????//聲明一個窗口類對象
//以下為窗口類對象wndclass的屬性
login_wndclass.style?=?CS_HREDRAW ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-01-05?09:16??Computer?room?charge?management?system\Debug\
?????文件??????626688??2018-11-30?14:42??Computer?room?charge?management?system\Debug\test.pdb
?????文件????31129600??2019-02-01?16:23??Computer?room?charge?management?system\test.sdf
?????文件????????1312??2018-11-30?14:42??Computer?room?charge?management?system\test.sln
?????文件???????36864??2019-02-01?16:23??Computer?room?charge?management?system\test.v12.suo
?????目錄???????????0??2019-02-01?16:22??Computer?room?charge?management?system\test\
?????目錄???????????0??2019-01-05?09:16??Computer?room?charge?management?system\test\Debug\
?????文件????????2510??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\test.log
?????目錄???????????0??2019-01-05?09:16??Computer?room?charge?management?system\test\Debug\test.tlog\
?????文件????????1462??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\test.tlog\cl.command.1.tlog
?????文件???????37152??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\test.tlog\CL.read.1.tlog
?????文件?????????844??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\test.tlog\CL.write.1.tlog
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件???????????2??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\test.tlog\li
?????文件?????????175??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\test.tlog\test.lastbuildstate
?????文件???????????0??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\test.tlog\unsuccessfulbuild
?????文件??????224256??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\vc120.idb
?????文件??????102400??2018-12-10?22:15??Computer?room?charge?management?system\test\Debug\vc120.pdb
?????文件???????31212??2018-11-30?14:42??Computer?room?charge?management?system\test\Debug\源.obj
?????文件???????76068??2019-01-10?23:24??Computer?room?charge?management?system\test\main.c
?????文件????????8338??2018-12-19?18:38??Computer?room?charge?management?system\test\test.vcxproj
?????文件?????????943??2018-12-10?21:51??Computer?room?charge?management?system\test\test.vcxproj.filters
?????目錄???????????0??2019-01-05?09:16??Computer?room?charge?management?system\test\x64\
?????目錄???????????0??2019-01-05?09:16??Computer?room?charge?management?system\test\x64\Debug\
............此處省略32個文件信息
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