用INI可以或是注册表的。。 //注册表的写入------------------------------------------------------------------ filename 是注册表的项,key键值,Values值 procedure WriteRegeditFile(FileName,Key,Values:String); var Regedit_w:TRegistry; begin Regedit_w:=TRegistry.Create; Regedit_w.RootKey:=HKEY_CURRENT_USER;//这个根键可以自己改 if Regedit_w.OpenKey(FileName,True) then begin Regedit_w.WriteString(Key,values); end else begin ShowMessage('写入注册表错误'); end; Regedit_w.CloseKey; Regedit_w.Free; end; //注册表的读取------------------------------------------------------------------ function ReadRegeditFile(FileName,key:String):String; var Regedit_r:TRegistry; begin Regedit_r:=TRegistry.Create; Regedit_r.RootKey:=HKEY_CURRENT_USER; if Regedit_r.OpenKey(FileName,False) then begin Result:=Regedit_r.ReadString(Key); end else begin ShowMessage('读取注册表失败'); end; end; //写入配置文件------------------------------------------------------------------ procedure WriteINIFile(FileName,Main,Key,Values:String); var INIFile_W:TINIFile; begin INIFile_w:=TINIFile.Create(FileName); try INIFile_w.WriteString(Main,Key,Values); except ShowMessage('写入配置文件失败'); end; INIFile_w.Destroy; end; //读取配置文件------------------------------------------------------------------ function ReadINIFile(FileName,Main,Key:String):String; var INIFile_r:TINIFile; begin INIFile_r:=TINIFile.Create(FileName); try Result:=INIFile_r.ReadString(Main,Key,''); except ShowMessage('读取配置文件错误'); end; INIFile_r.Destroy; end;
程序打开的时候,读取Ini的信息,自动生成连接串
//注册表的写入------------------------------------------------------------------
filename 是注册表的项,key键值,Values值
procedure WriteRegeditFile(FileName,Key,Values:String);
var
Regedit_w:TRegistry;
begin
Regedit_w:=TRegistry.Create;
Regedit_w.RootKey:=HKEY_CURRENT_USER;//这个根键可以自己改
if Regedit_w.OpenKey(FileName,True) then begin
Regedit_w.WriteString(Key,values);
end else begin
ShowMessage('写入注册表错误');
end;
Regedit_w.CloseKey;
Regedit_w.Free;
end;
//注册表的读取------------------------------------------------------------------
function ReadRegeditFile(FileName,key:String):String;
var
Regedit_r:TRegistry;
begin
Regedit_r:=TRegistry.Create;
Regedit_r.RootKey:=HKEY_CURRENT_USER;
if Regedit_r.OpenKey(FileName,False) then begin
Result:=Regedit_r.ReadString(Key);
end else begin
ShowMessage('读取注册表失败');
end;
end;
//写入配置文件------------------------------------------------------------------
procedure WriteINIFile(FileName,Main,Key,Values:String);
var
INIFile_W:TINIFile;
begin
INIFile_w:=TINIFile.Create(FileName);
try
INIFile_w.WriteString(Main,Key,Values);
except
ShowMessage('写入配置文件失败');
end;
INIFile_w.Destroy;
end;
//读取配置文件------------------------------------------------------------------
function ReadINIFile(FileName,Main,Key:String):String;
var
INIFile_r:TINIFile;
begin
INIFile_r:=TINIFile.Create(FileName);
try
Result:=INIFile_r.ReadString(Main,Key,'');
except
ShowMessage('读取配置文件错误');
end;
INIFile_r.Destroy;
end;
var
ini:TIniFile; //Ini文件类
sSvr:string; //服务器名
sDb:string; //数据库名
sUsr:string; //用户名
sPsw:string; //密码
sCon:string; //最后生成的连接数据库串
begin
ini:= TIniFile.Create(ExtractFilePath(Application.ExeName)+'Config.ini');
sSvr:= ini.ReadString('SQL server', 'ServerName', '');
sDb := ini.ReadString('SQL server', 'DatabaseName','');
sUsr:= ini.ReadString('SQL server', 'UserName', '');
sPsw:= ini.ReadString('SQL server', 'Password', '');
sCon:= 'Provider=SQLOLEDB.1;Password='
+ sPsw
+ ';Persist Security Info=True;User ID='
+ sUsr
+ ';Initial Catalog='
+ sDb
+ ';Data Source='
+ sSvr;
with AdoConnection1 do
begin
try
Connected:=false;
ConnectionString:=sCon;
LoginPrompt:=false;
Connected:=true;
Result:=false;
except
ShowMessage('连接数据库服务器失败');
end;
end;
end;//ini文件放在程序的根目录下,名为Config.Ini,内容为:
[SQL server]
ServerName=.
DatabaseName=My
UserName=sa
Password=123456//你先手工建一个,再配置吧,置于怎么用程序配置,自己研究下