/// <summary>
/// 监听网页
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void FrameLoadEnd(object sender, FrameLoadEndEventArgs e)
{
CefSharp.Cef.GetGlobalCookieManager().VisitAllCookies(visitor);//记录cookie
if (this.context.CurrentIndex < this.context.Actions.Count)
{
ActionInfo action = this.context.Actions[this.context.CurrentIndex];
Regex regResultPageUrl = new Regex(action.result_page_url_regex);//结果页面的正则表达式
if (this.context.Searching && e.Frame.Url.Equals(action.search_page_url))
{
//进入到了查询页面
this.Log($"正在执行[{action.name}]的查询函数");
string script = ActionLoad.GetJavaScript(action); //注入配置的javascript
script += "greatzee_execute_search();\r\n"; //执行查询函数
e.Frame.ExecuteJavaScriptAsync(script);
this.context.Searching = false;
}
else if (regResultPageUrl.IsMatch(e.Frame.Url))
{
//进入到了结果页面
string script = ActionLoad.GetJavaScript(action); //注入配置的javascript
string ticket = Guid.NewGuid().ToString();
script += "ScriptBrige.callRegisterParameter(JSON.stringify($RegisterParameter),'" + ticket + "');\r\n"; //通过ScriptBrige.CallRegisterParameters将$RegisterParameter传递到后台
e.Frame.ExecuteJavaScriptAsync(script);
this.scriptBrige.WaitTicket(ticket); //等待ScriptBrige.callRegisterParameter执行完
//将参数和Cookie拼凑在html后面，并将html页面发送给负责存储的应用程序
var html = await e.Frame.GetSourceAsync();
this.Log($"已查询到[{action.name}]的结果");
StringBuilder message = new StringBuilder();
message.AppendLine(html);
message.AppendLine("\r\n");
message.AppendLine("<script name='greatzee_parameter'><![CDATA[$RegisterParameter=" + this.scriptBrige.Parameters + ";]]></script>");
message.AppendLine("<script name='greatzee_cookie'><![CDATA[$Cookie=" + new JavaScriptSerializer().Serialize(this.visitor.Cookies) + "]]></script>");
Encoding encoding = Encoding.GetEncoding(action.charset);
byte[] htmlBytes = encoding.GetBytes(message.ToString());
HtmlStorage storage = new HtmlStorage();
storage.ExecuteStorage(action.storage_socket, action.storage_api, action.storage_local_directory, htmlBytes);
//浏览器执行配置的greatzee_has_next_page函数
ticket = Guid.NewGuid().ToString();
script = "ScriptBrige.callHasNextPage(greatzee_has_next_page().toString(),'" + ticket + "');\r\n"; //执行greatzee_has_next_page函数
this.browser.ExecuteScriptAsync(script);
this.scriptBrige.WaitTicket(ticket); //等待ScriptBrige.callHasNextPage执行完
if (this.scriptBrige.HasNextPage)
{
//执行分页
this.Log($"正在执行[{action.name}]的下一页");
Thread.Sleep(this.context.ActionInterval);
this.browser.ExecuteScriptAsync("greatzee_goto_next_page();");
}
else
{
this.context.Searching = true;
if (this.context.CurrentIndex < this.context.Actions.Count - 1)
{
//执行下一个动作
this.context.CurrentIndex++;
if (this.context.CurrentIndex < this.context.Actions.Count)
{
Thread.Sleep(this.context.ActionInterval);
this.browser.Load(this.context.Actions[this.context.CurrentIndex].search_page_url);
}
}
else
{
//回到第一个action重新执行
if (this.context.ExecuteInterval >= 0)
{
this.Log("所有动作都已执行完，休眠中");
Thread.Sleep(this.context.ExecuteInterval);
this.context.CurrentIndex = 0;
this.browser.Load(this.context.Actions[0].search_page_url);
}
}
}
}
}
}
