/// <summary>
/// 獲得頁面的html原始碼 主要用於後臺生成靜態檔案時獲得原始碼
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string GetPageHTML(string url)
{
string httpString = string.Empty;
WebRequest request = WebRequest.Create(url);
request.Timeout = 200000;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusDescription.ToLower().Equals("ok"))
{
using (StreamReader writer = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("GB2312")))
{
httpString = writer.ReadToEnd();
}
}
}
return httpString;
}
/// <summary>
/// 獲得頁面的html原始碼 主要用於後臺生成靜態檔案時獲得原始碼UTF-8
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string GetPageHTMLUTF8(string url)
{
string httpString = string.Empty;
WebRequest request = WebRequest.Create(url);
request.Timeout = 200000;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusDescription.ToLower().Equals("ok"))
{
using (StreamReader writer = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("UTF-8")))
{
httpString = writer.ReadToEnd();
}
}
}
return httpString;
}
/// <summary>
/// post提交JSON資料。支援.net4.0及以下的版本
/// </summary>
/// <param name="url"></param>
/// <param name="json"></param>
/// <returns></returns>
public static string GetHtmlByJson(string url, string json = "")
{
var result = string.Empty;
try
{
var request = WebRequest.Create(url) as HttpWebRequest;
request.ContentType = "text/json";
request.Method = "post";
//request.CookieContainer = _cookie;
using (var streamWriter = new StreamWriter(request.GetRequestStream()))
{
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
var response = (HttpWebResponse)request.GetResponse();
using (var reader = new StreamReader(response.GetResponseStream()))
{
result = reader.ReadToEnd();
}
}
}
catch (UriFormatException uex)
{
// 出錯處理
}
return result;
}
/// <summary>
/// 利用WebClient 遠端POST資料並返回資料
/// </summary>
/// <param name="strUrl">遠端URL地址</param>
/// <param name="strParams">引數，要提交的JSON字串</param>
/// <param name="RespEncode">POST資料的編碼</param>
/// <param name="ReqEncode">獲取資料的編碼</param>
/// <returns></returns>
public static string PostData(string strUrl, string strParams, Encoding RespEncode, Encoding ReqEncode)
{
/**
* 本函式只支援.net4.5以上的框架
HttpClient httpclient = new HttpClient();
try
{
//開啟頁面
httpclient.Credentials = CredentialCache.DefaultCredentials;
//從指定的URI下載資源
byte[] responseData = httpclient.DownloadData(strUrl);
string srcString = RespEncode.GetString(responseData);
httpclient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
string postString = strParams;
// 將字串轉換成位元組陣列
byte[] postData = Encoding.ASCII.GetBytes(postString);
// 上傳資料，返回頁面的位元組陣列
responseData = httpclient.UploadData(strUrl, "POST", postData);
srcString = ReqEncode.GetString(responseData);
return srcString;
}
catch (Exception ex)
{
//記錄異常日誌
//釋放資源
httpclient.Dispose();
return string.Empty;
}
*/
return "";
}
/// <summary>
/// 執行POST提交範例
/// </summary>
/// <param name="url"></param>
/// <param name="postdata">"LoginName=365admin&Password=fob123"</param>
/// <returns></returns>
public static string PostPageHTMLUTF8(string url, string postdata)
{
WebClient client = new WebClient();
System.Collections.Specialized.NameValueCollection list = new System.Collections.Specialized.NameValueCollection();
list.Add("opencheckindatatype", "3");
list.Add("starttime", "1492617600");
list.Add("endtime", "1492790400");
// "useridlist": ["james","paul"]
list.Add("useridlist", "['TuHuaXing']");
byte[] j = client.UploadValues(url, list);
//var dec = BitConverter.ToInt64(j,0);
//string jS = BitConverter.ToString(j);
//jS = Convert.ToString(jS,10);
return System.Text.Encoding.Default.GetString(j);
//目標頁面獲取值 request.form["id"]
/**
WebRequest request7 = WebRequest.Create(url);
request7.Method = "POST";
//post傳引數
byte[] bytes = Encoding.ASCII.GetBytes(postdata);
request7.ContentType = "application/x-www-form-urlencoded";
request7.ContentLength = postdata.Length;
request7.S
Stream sendStream = request7.GetRequestStream();
sendStream.Write(bytes, 0, bytes.Length);
sendStream.Close();
//得到返回值
WebResponse response7 = request7.GetResponse();
string OrderQuantity = new StreamReader(response7.GetResponseStream(), Encoding.GetEncoding("utf-8")).ReadToEnd();
return OrderQuantity;
//轉化成json物件處理
//List<GetOrderQuantity> getOrderQuantity = sr.Deserialize<List<GetOrderQuantity>>(OrderQuantity); **/
}