public SpiderDomain GetLoadSpiderDomain()
{
if (this._spiderDomain != null)
{
return(this._spiderDomain);
}
// 创建新的 AppDomain
AppDomainSetup domaininfo = new AppDomainSetup
{
ApplicationBase = Environment.CurrentDirectory
};
Evidence adevidence = AppDomain.CurrentDomain.Evidence;
AppDomain rawDomain = AppDomain.CreateDomain("NacollectorSpiders", adevidence, domaininfo);
// 动态加载 dll
Type type = typeof(SpiderDomain);
var spiderDomain = (SpiderDomain)rawDomain.CreateInstanceAndUnwrap(type.Assembly.FullName, type.FullName);
spiderDomain.LoadAssembly(Path.Combine(Application.StartupPath, "NacollectorSpiders.dll"));
this._spiderRawDomain = rawDomain;
this._spiderDomain = spiderDomain;
return(spiderDomain);
}
public void UnloadSpiderDomain()
{
if (_spiderRawDomain == null)
{
return;
}
// 卸载 dll
AppDomain.Unload(_spiderRawDomain);
_spiderRawDomain = null;
_spiderDomain = null;
}
/// <summary>
/// 开始执行任务
/// </summary>
/// <param name="obj"></param>
public void StartTask(object obj)
{
var settings = (SpiderSettings)obj;
SpiderDomain spiderDomain = null;
try
{
spiderDomain = GetLoadSpiderDomain();
}
catch (Exception ex)
{
ShowCreateTaskError((string)settings.TaskId, "NacollectorSpiders.dll 调用失败", ex);
#if DEBUG
Debugger.Break();
#endif
return;
}
// 调用目标函数
try
{
// Funcs
settings.BrowserJsRunFunc = new Action <string>((string str) => {
this.GetCrBrowser().RunJS(str);
});
settings.CrBrowserCookieGetter = new Func <CookieGetterSettings, string>((CookieGetterSettings cgSettings) =>
{
GetCrCookieGetter().CreateNew(cgSettings.StartUrl, cgSettings.EndUrlReg, cgSettings.Caption);
if (cgSettings.InputAutoCompleteConfig != null)
{
GetCrCookieGetter().UseInputAutoComplete(
(string)cgSettings.InputAutoCompleteConfig["pageUrlReg"],
(List <string>)cgSettings.InputAutoCompleteConfig["inputElemCssSelectors"]
);
}
GetCrCookieGetter().BeginWork();
return(GetCrCookieGetter().GetCookieStr());
});
spiderDomain.Invoke("NacollectorSpiders.PokerDealer", "NewTask", settings);
}
catch (ThreadAbortException)
{
// 进程正在被中止
// 不进行操作
}
catch (Exception ex)
{
ShowCreateTaskError((string)settings.TaskId, "无法调用 NacollectorSpiders.PokerDealer.NewTask", ex);
#if DEBUG
Debugger.Break();
#endif
return;
}
AbortTask((string)settings.TaskId);
}
