/// <summary>
/// 文件下载 文件名默认自动生成
/// </summary>
/// <param name="FileUrl"></param>
/// <param name="DefaultName"></param>
/// <returns></returns>
public static String FileDownload(String FileUrl, WebHeaderCollection headers, String DefaultFileName = "")
{
Console.WriteLine(FileUrl);
String Filename = "";
if (DefaultFileName != "")
{
Filename = DefaultFileName;
}
else
{
Filename = FileDownNameHelper(StaticValue.ImgTemp1, FileUrl);
}
using (WebClient DownloadWebClient = new WebClient())
{
DownloadWebClient.Headers = headers;
try
{
DownloadWebClient.DownloadFile(new Uri(FileUrl), Filename);
}
catch (Exception ex)
{
PrintLog.Log(ex);
Filename = "";
}
}
return(Filename);
}
public static string PostDataForAjax(String Url, string PostData)
{
using (WebClient PostWebClient = new WebClient())
{
String Host = GetHost(Url);
if (Host != "")
{
PostWebClient.Headers.Add("Host", Host);
}
PostWebClient.Headers.Add("User-Agent", StaticValue.UserAgent);
PostWebClient.Headers.Add("Accept", "*/*");
PostWebClient.Headers.Add("Accept-Language", "zh-TW,zh;q=0.8,en-US;q=0.5,en;q=0.3");
PostWebClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
PostWebClient.Headers.Add("X-Requested-With", "XMLHttpRequest");
try
{
byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(PostData);
byte[] responseArray = PostWebClient.UploadData(Url, byteArray);
return(Encoding.Default.GetString(responseArray));
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
}
return("");
}
/// <summary>
/// 获取图片src的辅助方法
/// </summary>
/// <param name="Htmlnode"></param>
/// <param name="Xpath"></param>
/// <returns></returns>
public static List <String> GetAttributesVlaueList(String Htmlnode, String Attributes, String Xpath)
{
List <string> ValueList = new List <string>();
HtmlNodeCollection htmlNodeCollection = SelectNodes(Htmlnode, Xpath);
if (htmlNodeCollection != null)
{
foreach (HtmlNode SingleNode in htmlNodeCollection)
{
try
{
ValueList.Add(SingleNode.Attributes[Attributes].Value);
}
catch (Exception ex)
{
PrintLog.Log(ex);
PrintLog.Log("获取GetAttributesVlaueList错误");
}
}
}
else
{
Console.WriteLine("null");
}
return(ValueList);
}
/// <summary>
/// 下载图片的方法
/// </summary>
/// <param name="FloderPath"></param>
/// <param name="FileUrl"></param>
/// <param name="headers"></param>
/// <param name="DownStringCompletedCallBack"></param>
/// <param name="ProgressCountCallBack"></param>
/// <param name="FilstFlag"></param>
public static void ImgDownload(String FloderPath, String FileUrl, WebHeaderCollection headers, AsyncCompletedEventHandler DownStringCompletedCallBack = null,
DownloadProgressChangedEventHandler ProgressCountCallBack = null, bool FilstFlag = true)
{
using (WebClient webClient = new WebClient())
{
webClient.Headers = headers;
String SavePath = FileDownNameHelper(FloderPath, FileUrl);
Console.WriteLine(SavePath);
if (SavePath == "")
{
return;
}
if (DownStringCompletedCallBack != null)
{
webClient.DownloadFileCompleted += DownStringCompletedCallBack;
}
if (ProgressCountCallBack != null)
{
webClient.DownloadProgressChanged += ProgressCountCallBack;
}
try
{
webClient.DownloadFileAsync(new Uri(FileUrl), SavePath);
}
catch (Exception ex)
{
PrintLog.Log(ex);
PrintLog.Log("下载出错的链接：" + FileUrl);
}
}
}
/// <summary>
/// 获取JSON，使用手机UA
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static String HttpGetJsonForMobile(String url)
{
String HtmlCode = "";
Console.WriteLine(url);
using (WebClient webClient = new WebClient())
{
webClient.Headers.Add("Host", new Uri(url).Host);
webClient.Headers.Add("User-Agent", StaticValue.MoblieUserAgent);
webClient.Headers.Add("Accept-Language", "zh-TW,zh;q=0.8,en-US;q=0.5,en;q=0.3");
webClient.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
webClient.Headers.Add("Accept-Language", "zh-TW,zh;q=0.8,en-US;q=0.5,en;q=0.3");
webClient.Headers.Add("Pragma", "no-cache");
webClient.Headers.Add("Cache-Control", "no-cache");
try
{
HtmlCode = new StreamReader(webClient.OpenRead(url)).ReadToEnd();
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
}
return(HtmlCode);
}
/// <summary>
/// 删除文件夹 包括里面的文件
/// </summary>
/// <param name="FloderPath"></param>
public static void FolderDelete(String FloderPath)
{
try {
Directory.Delete(FloderPath, true);
}catch (Exception ex) {
PrintLog.Log(ex);
}
}
/// <summary>
/// 获取文件夹路径
/// </summary>
/// <param name="FilePath"></param>
/// <returns></returns>
public static string GetFloderPath(String FilePath)
{
string Floderpath = "";
try { Floderpath = Path.GetDirectoryName(FilePath) + "\\"; } catch (Exception ex) {
PrintLog.Log(ex);
}
return(Floderpath);
}
/// <summary>
/// 删除文件夹
/// </summary>
/// <param name="FloderPath"></param>
public static void FolderCreate(String FloderPath)
{
try
{
Directory.CreateDirectory(FloderPath);
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
}
/// <summary>
/// 覆盖源文件，写入text
/// </summary>
/// <param name="FilePath"></param>
/// <param name="Content"></param>
public static void WriteUTF8Text(String FilePath, string Content)
{
try
{
FloderHelper.FloderExits(FloderHelper.GetFloderPath(FilePath), true);
File.WriteAllText(FilePath, Content, Encoding.UTF8);
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
}
public static string GetHost(String Url)
{
try
{
return(new Uri(Url).Host);
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
return("");
}
/// <summary>
/// 删除文件的方法，会告诉你删除是否成功
/// </summary>
/// <param name="Filename"></param>
/// <returns></returns>
public static bool FileDelete(String Filename)
{
try
{
File.Delete(Filename);
return(true);
}
catch (Exception ex)
{
PrintLog.Log(ex);
return(false);
}
}
/// <summary>
/// 获取目录下文件列表，带路径
/// </summary>
/// <param name="FloderPath"></param>
/// <param name="Pattern"></param>
/// <returns></returns>
public static List <String> GetFullFileNameList(String FloderPath, String Pattern = "*.*")
{
List <String> FileList = new List <String>();
try
{
FileList = Directory.GetFiles(FloderPath, Pattern).ToList <String>();
}
catch (Exception ex)
{
PrintLog.Log("当前是没有任何文件需要下载的情况，文件夹没有创建。");
PrintLog.Log(ex);
}
return(FileList);
}
/// <summary>
/// 选择并且返回HtmlNodeCollection
/// </summary>
/// <param name="Htmlnode"></param>
/// <param name="Xpath"></param>
/// <returns></returns>
public static HtmlNodeCollection SelectNodes(String Htmlnode, String Xpath)
{
HtmlNodeCollection NodeCollectionvalue = null;
try
{
NodeCollectionvalue = LoadHtml(Htmlnode).DocumentNode.SelectNodes(Xpath);
}
catch (Exception ex)
{
PrintLog.Log(ex);
PrintLog.Log("选择器错误");
}
return(NodeCollectionvalue);
}/// <summary>
{/// <summary>
/// 加载HTML
/// </summary>
/// <param name="Htmlnode"></param>
/// <returns></returns>
public static HtmlDocument LoadHtml(String Htmlnode)
{
HtmlDocument doc = new HtmlDocument();
try
{
doc.LoadHtml(Htmlnode);
}
catch (Exception ex)
{
PrintLog.Log(ex);
PrintLog.Log("加载HTML错误 ");
}
return(doc);
}
/// <summary>
/// 获取文件名 不带路径和后缀
/// </summary>
/// <param name="FilePath"></param>
/// <param name="Pattern"></param>
/// <returns></returns>
public static string GetFileNameWithoutExtension(String FilePath)
{
String FileName = "";
try
{
FileName = Path.GetFileNameWithoutExtension(FilePath);
}
catch (Exception ex)
{
PrintLog.Log("当前是没有任何文件需要下载的情况，文件夹没有创建。");
PrintLog.Log(ex);
}
return(FileName);
}
/// <summary>
/// 移动文件
/// </summary>
/// <param name="FilePath"></param>
/// <param name="NewFilePath"></param>
public static void FileMove(String FilePath, String NewFilePath)
{
try
{
FloderHelper.FloderExits(Path.GetDirectoryName(NewFilePath), true);
if (File.Exists(NewFilePath))
{
NewFilePath = FloderHelper.GetFloderPath(NewFilePath) + DateTime.Now.ToFileTime() + GetFileName(NewFilePath);
}
File.Move(FilePath, NewFilePath);
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
}
/// <summary>
/// 获取文件夹列表
/// </summary>
/// <param name="FloderPath"></param>
/// <returns></returns>
public static List <string> GetFloderNameList(string FloderPath)
{
List <string> FloderList = new List <string>();
if (!FloderExits(FloderPath, true))
{
Console.WriteLine("创建新文件夹失败");
return(FloderList);
}
try
{
FloderList = Directory.GetDirectories(FloderPath).ToList <string>();
}
catch (Exception ex) {
PrintLog.Log(ex);
}
return(FloderList);
}
/// <summary>
/// 用utf8读取文件
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static string ReadContextUtf8(string path)
{
FileExits(path, true);
try
{
using (FileStream fs = new FileStream(path, FileMode.Open))
{
using (StreamReader sr = new StreamReader(fs, System.Text.Encoding.UTF8))
{
return(sr.ReadToEnd());
}
}
}
catch (Exception ex) {
PrintLog.Log(ex);
}
return("");
}
/// <summary>
/// 同步获取html代码
/// </summary>
/// <param name="Url"></param>
/// <returns></returns>
public static string HttpGet(String Url)
{
String HtmlCode = "";
using (WebClient webClient = new WebClient())
{
try
{
webClient.Headers.Add("User-Agent", StaticValue.UserAgent);
webClient.Headers.Add("Accept-Language", "zh-CN,zh;q=0.9");
HtmlCode = new StreamReader(webClient.OpenRead(Url)).ReadToEnd();
}
catch (Exception ex)
{
PrintLog.Log(ex);
}
}
return(HtmlCode);
}
/// <summary>
/// 判断文件夹是否存在
/// </summary>
/// <param name="FloderPath"></param>
/// <param name="CreatFlag"></param>
/// <returns></returns>
public static bool FloderExits(String FloderPath, bool CreatFlag)
{
if (!CreatFlag)
{
return(false);
}
if (!Directory.Exists(FloderPath))
{
Console.WriteLine("已创建" + FloderPath);
try { Directory.CreateDirectory(FloderPath); }
catch (Exception ex)
{
PrintLog.Log(ex);
PrintLog.Log("异常文件夹名字" + FloderPath);
return(false);
}
}
return(true);
}
}/// <summary>
/// 获取A标签里的href属性值
/// </summary>
/// <param name="Htmlnode"></param>
/// <param name="Xpath"></param>
/// <returns></returns>
public static List <String> GetLinkVlaueList(String Htmlnode, String Xpath)
{
List <string> ValueList = new List <string>();
HtmlNodeCollection htmlNodeCollection = SelectNodes(Htmlnode, Xpath);
if (htmlNodeCollection != null)
{
foreach (HtmlNode SingleNode in htmlNodeCollection)
{
try
{
ValueList.Add(SingleNode.Attributes["href"].Value);
}
catch (Exception ex)
{
PrintLog.Log(ex);
PrintLog.Log("获取超链接错误");
}
}
}
return(ValueList);
}/// <summary>
/// <summary>
/// 修改文件md5
/// </summary>
/// <param name="Filename"></param>
public static void ModifyMD5(String Filename)
{
if (!File.Exists(Filename))
{
Console.WriteLine("文件不存在");
return;
}
else
{
//转化byte[]到list
List <byte> ByteList = File.ReadAllBytes(Filename).ToList <byte>();
///添加一个二进制随机数
ByteList.AddRange(Encoding.Default.GetBytes(Convert.ToString(new Random().Next(), 2)).ToList <byte>());
try
{
File.WriteAllBytes(Filename, ByteList.ToArray());
}
catch (Exception ex)
{
PrintLog.Log(ex);
};
}
}
/// <summary>
/// 文件是否存在，是否需要创建
/// </summary>
/// <param name="FilePath"></param>
/// <param name="CreateFlag"></param>
/// <returns></returns>
public static bool FileExits(String FilePath, bool CreateFlag = false)
{
if (File.Exists(FilePath))
{
return(true);
}
else
{
if (CreateFlag)
{
try
{
File.AppendAllText(FilePath, "");
return(true);
}
catch (Exception ex) {
PrintLog.Log(ex);
}
}
}
return(false);
}
