这份代码在卸载的时候出现了问题........
源代码的bug在于如果卸载了点击否！那么会删除.dll 下次还要卸载的时候....就不行了
所以我们需要做的事情就是......
先上截图：
改下
要引入psvince.dll这个dll，放在inno setup的安装目录下（与其他dll相同目录），代码如下：
[Files]
Source: compiler:psvince.dll;Flags: dontcopy noencryption
[code]
// function IsModuleLoaded to call at install time
// added also setuponly flag
function IsModuleLoaded(modulename: String ): Boolean;
external 'IsModuleLoaded@files:psvince.dll stdcall setuponly';
// function IsModuleLoadedU to call at uninstall time
// added also uninstallonly flag
function IsModuleLoadedU(modulename: String ): Boolean;
external 'IsModuleLoaded@{app}\psvince.dll stdcall uninstallonly' ;
//;判断进程是否存在
function IsAppRunning(const FileName : string): Boolean;
var
FSWbemLocator: Variant;
FWMIService : Variant;
FWbemObjectSet: Variant;
begin
Result := false;
try
FSWbemLocator := CreateOleObject('WBEMScripting.SWBEMLocator');
FWMIService := FSWbemLocator.ConnectServer('', 'root\CIMV2', '', '');
FWbemObjectSet := FWMIService.ExecQuery(Format('SELECT Name FROM Win32_Process Where Name="%s"',[FileName]));
Result := (FWbemObjectSet.Count > 0);
FWbemObjectSet := Unassigned;
FWMIService := Unassigned;
FSWbemLocator := Unassigned;
except
if (IsModuleLoaded(FileName)) then
begin
Result := false;
end
else
begin
Result := true;
end
end;
end;
//;通过名称终结进程
procedure TaskKillProcessByName(AppName: String);
var
WbemLocator : Variant;
WMIService : Variant;
WbemObjectSet: Variant;
WbemObject : Variant;
begin;
WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
WMIService := WbemLocator.ConnectServer('localhost', 'root\CIMV2');
WbemObjectSet := WMIService.ExecQuery('SELECT * FROM Win32_Process Where Name="' + AppName + '"');
if not VarIsNull(WbemObjectSet) and (WbemObjectSet.Count > 0) then
begin
WbemObject := WbemObjectSet.ItemIndex(0);
if not VarIsNull(WbemObject) then
begin
WbemObject.Terminate();
WbemObject := Unassigned;
end;
end;
end;
//;安装的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeSetup(): Boolean;
begin
Result := true;
if IsAppRunning('{#MyAppExeName}') then
begin
if MsgBox('安装程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续安装；'#13''#13'单击“否”按钮退出安装！', mbConfirmation, MB_YESNO) = IDYES then
begin
TaskKillProcessByName('{#MyAppExeName}');
TaskKillProcessByName('{#MyAppExeName}');
Result:= true;
end
else
Result:= false;
end;
end;
//;卸载的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeUninstall(): Boolean;
begin
Result:= true;
if IsAppRunning('{#MyAppExeName}') then
begin
if MsgBox('卸载程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续卸载；'#13''#13'单击“否”按钮退出卸载！', mbConfirmation, MB_YESNO) = IDYES then
begin
TaskKillProcessByName('{#MyAppExeName}');
TaskKillProcessByName('{#MyAppExeName}');
Result:= true;
end
else
Result:= false;
end;
if Result then
begin
UnloadDLL(ExpandConstant('{app}\psvince.dll'));
end;
DelTree(ExpandConstant('{app}'), True, True, True);
end;
完整代码：
; Script generated by the Inno Setup Script Wizard.
; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
#define MyAppName "My Program"
#define MyAppVersion "1.5"
#define MyAppPublisher "My Company, Inc."
#define MyAppURL "https://www.example.com/"
#define MyAppExeName "MyProg.exe"
#define MyAppAssocName MyAppName + " File"
#define MyAppAssocExt ".myp"
#define MyAppAssocKey StringChange(MyAppAssocName, " ", "") + MyAppAssocExt
[Setup]
; NOTE: The value of AppId uniquely identifies this application. Do not use the same AppId value in installers for other applications.
; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
AppId={{723A4833-89BA-485C-B07C-9D7CEEB88F7C}
AppName={#MyAppName}
AppVersion={#MyAppVersion}
;AppVerName={#MyAppName} {#MyAppVersion}
AppPublisher={#MyAppPublisher}
AppPublisherURL={#MyAppURL}
AppSupportURL={#MyAppURL}
AppUpdatesURL={#MyAppURL}
DefaultDirName={autopf}\{#MyAppName}
ChangesAssociations=yes
DisableProgramGroupPage=yes
; Uncomment the following line to run in non administrative install mode (install for current user only.)
;PrivilegesRequired=lowest
OutputDir=C:\Users\Administrator\Desktop\2222222
OutputBaseFilename=mysetup
Compression=lzma
SolidCompression=yes
WizardStyle=modern
[Languages]
Name: "chinesesimplified"; MessagesFile: "compiler:Languages\ChineseSimplified.isl"
[Tasks]
Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
[Files]
Source: "C:\Program Files (x86)\Inno Setup 6\Examples\{#MyAppExeName}"; DestDir: "{app}"; Flags: ignoreversion
Source: "C:\Program Files (x86)\Inno Setup 6\Examples\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
; NOTE: Don't use "Flags: ignoreversion" on any shared system files
Source: compiler:psvince.dll;Flags: dontcopy noencryption
[Registry]
Root: HKA; Subkey: "Software\Classes\{#MyAppAssocExt}\OpenWithProgids"; ValueType: string; ValueName: "{#MyAppAssocKey}"; ValueData: ""; Flags: uninsdeletevalue
Root: HKA; Subkey: "Software\Classes\{#MyAppAssocKey}"; ValueType: string; ValueName: ""; ValueData: "{#MyAppAssocName}"; Flags: uninsdeletekey
Root: HKA; Subkey: "Software\Classes\{#MyAppAssocKey}\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\{#MyAppExeName},0"
Root: HKA; Subkey: "Software\Classes\{#MyAppAssocKey}\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#MyAppExeName}"" ""%1"""
Root: HKA; Subkey: "Software\Classes\Applications\{#MyAppExeName}\SupportedTypes"; ValueType: string; ValueName: ".myp"; ValueData: ""
[Icons]
Name: "{autoprograms}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"
Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"; Tasks: desktopicon
[Run]
Filename: "{app}\{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent
[code]
// function IsModuleLoaded to call at install time
// added also setuponly flag
function IsModuleLoaded(modulename: String ): Boolean;
external 'IsModuleLoaded@files:psvince.dll stdcall setuponly';
// function IsModuleLoadedU to call at uninstall time
// added also uninstallonly flag
function IsModuleLoadedU(modulename: String ): Boolean;
external 'IsModuleLoaded@{app}\psvince.dll stdcall uninstallonly' ;
//;判断进程是否存在
function IsAppRunning(const FileName : string): Boolean;
var
FSWbemLocator: Variant;
FWMIService : Variant;
FWbemObjectSet: Variant;
begin
Result := false;
try
FSWbemLocator := CreateOleObject('WBEMScripting.SWBEMLocator');
FWMIService := FSWbemLocator.ConnectServer('', 'root\CIMV2', '', '');
FWbemObjectSet := FWMIService.ExecQuery(Format('SELECT Name FROM Win32_Process Where Name="%s"',[FileName]));
Result := (FWbemObjectSet.Count > 0);
FWbemObjectSet := Unassigned;
FWMIService := Unassigned;
FSWbemLocator := Unassigned;
except
if (IsModuleLoaded(FileName)) then
begin
Result := false;
end
else
begin
Result := true;
end
end;
end;
//;通过名称终结进程
procedure TaskKillProcessByName(AppName: String);
var
WbemLocator : Variant;
WMIService : Variant;
WbemObjectSet: Variant;
WbemObject : Variant;
begin;
WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
WMIService := WbemLocator.ConnectServer('localhost', 'root\CIMV2');
WbemObjectSet := WMIService.ExecQuery('SELECT * FROM Win32_Process Where Name="' + AppName + '"');
if not VarIsNull(WbemObjectSet) and (WbemObjectSet.Count > 0) then
begin
WbemObject := WbemObjectSet.ItemIndex(0);
if not VarIsNull(WbemObject) then
begin
WbemObject.Terminate();
WbemObject := Unassigned;
end;
end;
end;
//;安装的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeSetup(): Boolean;
begin
Result := true;
if IsAppRunning('{#MyAppExeName}') then
begin
if MsgBox('安装程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续安装；'#13''#13'单击“否”按钮退出安装！', mbConfirmation, MB_YESNO) = IDYES then
begin
TaskKillProcessByName('{#MyAppExeName}');
TaskKillProcessByName('{#MyAppExeName}');
Result:= true;
end
else
Result:= false;
end;
end;
//;卸载的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeUninstall(): Boolean;
begin
Result:= true;
if IsAppRunning('{#MyAppExeName}') then
begin
if MsgBox('卸载程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续卸载；'#13''#13'单击“否”按钮退出卸载！', mbConfirmation, MB_YESNO) = IDYES then
begin
TaskKillProcessByName('{#MyAppExeName}');
TaskKillProcessByName('{#MyAppExeName}');
Result:= true;
end
else
Result:= false;
end;
if Result then
begin
UnloadDLL(ExpandConstant('{app}\psvince.dll'));
end;
DelTree(ExpandConstant('{app}'), True, True, True);
end;
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