DCEF1:
在DCEF1包装器中删除cookie,可以使用ICefCookieManager
管理接口中的DeleteCookies
函数。然而,我尝试使用以下代码删除所有cookie,但总是失败:
procedure TForm1.Button1Click(Sender: TObject);
var
CookieManager: ICefCookieManager;
begin
CookieManager := TCefCookieManagerRef.GetGlobalManager;
if not CookieManager.DeleteCookies('', '') then
ShowMessage('DeleteCookies failed!');
end;
幸运的是,使用这个Cookie管理器可以有另一种选项来删除cookie。访问所有的cookie,在visitor函数中将deleteCookie
输出参数赋值为True。获取cookie管理器时要小心,它是在您第一次导航到某个地方时创建的(GetGlobalManager
类函数是不安全的,没有正确处理意外结果),因此请确保您在导航后使用此代码:
procedure TForm1.Button1Click(Sender: TObject);
var
CookieManager: ICefCookieManager;
begin
CookieManager := TCefCookieManagerRef.GetGlobalManager;
CookieManager.VisitAllCookiesProc(
function(const name, value, domain, path: ustring; secure, httponly,
hasExpires: Boolean; const creation, lastAccess, expires: TDateTime;
count, total: Integer; out deleteCookie: Boolean): Boolean
begin
deleteCookie := True;
ShowMessage('A cookie from domain ' + domain + ' will be unmercifully ' +
'deleted!');
end
);
end;
DCEF3:
在DCEF3包装器中,您可以使用以下内容。感谢Eric Santos提供的帮助:
type
CefTask = class(TCefTaskOwn)
procedure Execute; override;
end;
procedure CefTask.Execute;
var
CookieManager: ICefCookieManager;
begin
CookieManager := TCefCookieManagerRef.Global;
CookieManager.DeleteCookies('', '');
end;
procedure ClearCookies;
var
Task: CefTask;
begin
Task := CefTask.Create;
CefPostTask(TID_IO, Task);
end;