/// <summary>
/// 获取网页转换后的字符串
/// </summary>
/// <returns></returns>
public static void GetFilterHtml(string url, string path, string imgPath)
{
try
{
Encoding code = Encoding.GetEncoding("UTF-8"); //声明文件编码
string ycase_left = "";
WebPage webInfo = new WebPage(url);
string htmlSstring = webInfo.M_html;
string[] arryfather = url.Split('/');
WriteFile(path, htmlSstring, code, arryfather[4]);
List <string> listA = htmlFather(url, path + @"/" + arryfather[4]);
//读取html头部
string htmltopPath = AppDomain.CurrentDomain.BaseDirectory + @"\htmltop.txt";
StreamReader fileStream = new StreamReader(htmltopPath, Encoding.Default);
string htmlTop = fileStream.ReadToEnd();
//读取html底部
string htmlfilterPath = AppDomain.CurrentDomain.BaseDirectory + @"\htmlfitter.txt";
StreamReader fileStream1 = new StreamReader(htmlfilterPath, Encoding.Default);
string htmlfilter = fileStream1.ReadToEnd();
htmlfilter = htmlfilter.Replace("?", "©");
//var y = webInfo.InsiteLinks;
//List<string> listA = new List<string>();
//foreach (var item in y)
//{
// listA.Add(item.NavigateUrl);
//}
////List<string> listA = WebHandler.GetHtmlAttr(htmlSstring, "a", "href");
//List<string> a = new List<string>();
//List<string> LatA = new List<string>();
//foreach (string item in listA)
//{
// if (item.Contains("/newsdetail") && !LatA.Contains(item))
// {
// LatA.Add(item);
// }
//}
//int i = 0;
////需要爬取的连接另存list
//foreach (string item in a)
//{
// i++;
// if ((1 <= i && i<= 7) || 22<=i)
// {
// LatA.Add(item);
// }
//}
//开始爬取网页子链接下的html
foreach (string item in listA)
{
string[] arry = item.Split('/');
WebPage webInfoChirld = new WebPage("http://www.worldwayhk.com/" + item);
string htmlSstringChirld = webInfoChirld.M_html;
WriteFile(path, htmlSstringChirld, code, arry[1]);
ycase_left = html(path + @"/" + arry[1]);
////去除html下的a标签链接属性
//List<string> listchirldA = WebHandler.GetHtmlAttr(ycase_left, "a", "href");
//foreach (string list in listchirldA)
//{
// ycase_left = ycase_left.Replace(list, "");
//}
//获取网页图片
List <string> listImg = WebHandler.GetHtmlAttr(ycase_left, "img", "src");
foreach (string img in listImg)
{
if (img.Contains("http://www.worldwayhk.com"))
{
string imguRL = img.Replace("http://www.worldwayhk.com", "").Replace("/asp.net/../", "/");
//替换网页上的图片地址
ycase_left = ycase_left.Replace(img, ".." + imguRL);
}
else
{
//替换网页上的图片地址
ycase_left = ycase_left.Replace(img, ".." + img);
}
}
// string htmlTop = ""; //html1(path + @"/" + arry[1]);
//ycase_left = "<!DOCTYPE html><html lang = \"en\"><head><meta charset = \"UTF-8\" ></head ><body>"+ycase_left;
ycase_left = htmlTop + ycase_left;
ycase_left = ycase_left + htmlfilter;
//保存文章页面
WriteFile(path, ycase_left.Replace("/asp.net/../", "/"), code, arry[1]);
foreach (string img in listImg)
{
string imguRL = img.Replace("http://www.worldwayhk.com", "").Replace("/asp.net/../", "/");
string[] arryImg = imguRL.Split('/');
string name = arryImg[5];
imguRL = "http://www.worldwayhk.com" + imguRL;
BaoCun(imgPath + arryImg[1] + "/" + arryImg[2] + "/" + arryImg[3] + "/" + arryImg[4], imguRL, name);
}
//KindEditor / attached / image / 20160412 / 20160412140904_9121.jpg
///KindEditor/asp.net/../attached/image/20161019/20161019162715_5449.jpg
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
/// <summary>
/// 父页面所有需要抓取数据的连接
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static List <string> htmlFather(string url, string path)
{
List <string> LastA = new List <string>();
HtmlWeb htmlWeb = new HtmlWeb();
HtmlAgilityPack.HtmlDocument document = htmlWeb.Load(path);
List <string> list = new List <string>();
list.Add("//div[@class='wss_UsaHot']");
bool isUsa = false;
if (url.Contains("usa.html"))
{
isUsa = true;
// list.Add("//div[@class='yymmg_info_us1']");
// list.Add("//div[@class='yymmg_info_us2']");
// list.Add("//div[@class='yymmg_info_us3']");
//list.Add("//div[@class='yymmg_info_us4']");
list.Add("//div[@class='yymmg_wrap']");
}
else
{
list.Add("//div[@class='yymmg_wrap']");
}
string htmlstring = "";
//int i = 1;
foreach (string str in list)
{
HtmlNodeCollection collectionTi = document.DocumentNode.SelectNodes(str);
if (collectionTi != null)
{
foreach (HtmlNode item in collectionTi)
{
int j = 0;
htmlstring = item.OuterHtml;
List <string> listA = WebHandler.GetHtmlAttr(htmlstring, "a", "href");
List <string> LatA = new List <string>();
foreach (string obj in listA)
{
if (obj.Contains("/newsdetail") && !LatA.Contains(obj))
{
LatA.Add(obj);
}
}
if (isUsa && str != list[0])
{
//需要爬取的连接另存list
foreach (string obj in LatA)
{
j++;
if ((12 <= j && j <= 17) || (24 <= j && j <= 29) || (48 <= j && j <= 53) || (90 <= j && j <= 95))
{
LastA.Add(obj);
}
}
}
else
{
foreach (string obj in LatA)
{
LastA.Add(obj);
}
}
}
}
}
return(LastA);
}