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XingCheng3
362
SCADA/WebApi/HttpCli.cs
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362
SCADA/WebApi/HttpCli.cs
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using MesWork;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading.Tasks;
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namespace PLMTEST
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{
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public class HttpCli
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{
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/// <summary>
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/// 指定Url地址使用Get 方式获取全部字符串
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/// </summary>
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/// <param name="url">请求链接地址</param>
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/// <returns></returns>
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public static string Get(string url)
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{
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string result = "";
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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Stream stream = resp.GetResponseStream();
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try
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{
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//获取内容
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using (StreamReader reader = new StreamReader(stream))
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{
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result = reader.ReadToEnd();
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}
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}
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finally
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{
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stream.Close();
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}
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return result;
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}
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public static void GetFile(string url,string path)
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{
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WebRequest request = WebRequest.Create(url);
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WebResponse response = request.GetResponse();
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if (response.ContentType.ToLower().Length > 0)
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{
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using (Stream reader = response.GetResponseStream())
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{
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using (FileStream writer = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
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{
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byte[] buffer = new byte[1024];
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int c = 0;
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while ((c = reader.Read(buffer, 0, buffer.Length)) > 0)
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{
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writer.Write(buffer, 0, c);
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}
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}
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}
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//HttpContext
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}
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}
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public static byte[] GetFile_Bytes(string url)
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{
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byte[] bytesAll = null;
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WebRequest request = WebRequest.Create(url);
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WebResponse response = request.GetResponse();
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if (response.ContentType.ToLower().Length > 0)
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{
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using (Stream reader = response.GetResponseStream())
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{
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MemoryStream ms = new MemoryStream();
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byte[] buffer = new byte[1024];
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while (true)
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{
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int sz = reader.Read(buffer, 0, 1024);
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if (sz == 0) break;
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ms.Write(buffer, 0, sz);
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}
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bytesAll = ms.ToArray();
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}
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}
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//如是图片
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//System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
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return bytesAll;
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}
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/// <summary>
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/// 发送Get请求
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/// </summary>
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/// <param name="url">地址</param>
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/// <param name="dic">请求参数定义</param>
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/// <returns></returns>
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public static string Get(string url, Dictionary<string, string> dic)
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{
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string result = "";
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StringBuilder builder = new StringBuilder();
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builder.Append(url);
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if (dic.Count > 0)
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{
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builder.Append("?");
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int i = 0;
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foreach (var item in dic)
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{
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if (i > 0)
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builder.Append("&");
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builder.AppendFormat("{0}={1}", item.Key, item.Value);
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i++;
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}
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}
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(builder.ToString());
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//添加参数
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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Stream stream = resp.GetResponseStream();
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try
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{
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//获取内容
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using (StreamReader reader = new StreamReader(stream))
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{
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result = reader.ReadToEnd();
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}
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}
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finally
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{
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stream.Close();
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}
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return result;
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}
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/// <summary>
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/// 指定Post地址使用Get 方式获取全部字符串
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/// </summary>
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/// <param name="url">请求后台地址</param>
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/// <returns></returns>
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public static string Post(string url)
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{
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string result = "";
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
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req.Method = "POST";
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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Stream stream = resp.GetResponseStream();
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//获取内容
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using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
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{
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result = reader.ReadToEnd();
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}
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return result;
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}
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/// <summary>
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/// 指定Post地址使用Get 方式获取全部字符串
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/// </summary>
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/// <param name="url">请求后台地址</param>
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/// <returns></returns>
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public static string Post(string url, Dictionary<string, string> dic)
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{
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string result = "";
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
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req.Method = "POST";
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req.ContentType = "application/x-www-form-urlencoded";
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#region 添加Post 参数
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StringBuilder builder = new StringBuilder();
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int i = 0;
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foreach (var item in dic)
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{
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if (i > 0)
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builder.Append("&");
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builder.AppendFormat("{0}={1}", item.Key, item.Value);
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i++;
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}
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byte[] data = Encoding.UTF8.GetBytes(builder.ToString());
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req.ContentLength = data.Length;
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using (Stream reqStream = req.GetRequestStream())
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{
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reqStream.Write(data, 0, data.Length);
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reqStream.Close();
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}
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#endregion
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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Stream stream = resp.GetResponseStream();
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//获取响应内容
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using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
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{
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result = reader.ReadToEnd();
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}
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return result;
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}
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/// <summary>
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/// 指定Post地址使用Get 方式获取全部字符串
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/// </summary>
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/// <param name="url">请求后台地址</param>
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/// <param name="content">Post提交数据内容(utf-8编码的)</param>
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/// <returns></returns>
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public static string Post_Authorization(string url, string content,out string error )
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{
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string result = "";
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error = "";
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try
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{
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
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req.Timeout = 30000;
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req.Method = "POST";
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req.ContentType = "application/json";
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// 添加自定义 Header
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req.Headers.Add("Authorization", MesWorkForm.AuthorizationSet);
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req.Headers.Add("uuid", Guid.NewGuid().ToString().ToUpper());
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#region 添加Post 参数
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byte[] data = Encoding.UTF8.GetBytes(content);
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req.ContentLength = data.Length;
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using (Stream reqStream = req.GetRequestStream())
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{
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reqStream.Write(data, 0, data.Length);
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reqStream.Close();
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}
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#endregion
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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Stream stream = resp.GetResponseStream();
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//获取响应内容
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using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
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{
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result = reader.ReadToEnd();
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}
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}
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catch (Exception err)
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{
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error = $"WebApi Post请求调用错误：{err.Message}";
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}
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return result;
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}
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public static string Post(string url, string content, out string error)
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{
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string result = "";
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error = "";
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try
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{
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
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req.Timeout = 30000;
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req.Method = "POST";
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req.ContentType = "application/json";
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#region 添加Post 参数
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byte[] data = Encoding.UTF8.GetBytes(content);
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req.ContentLength = data.Length;
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using (Stream reqStream = req.GetRequestStream())
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{
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reqStream.Write(data, 0, data.Length);
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reqStream.Close();
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}
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#endregion
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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Stream stream = resp.GetResponseStream();
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//获取响应内容
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using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
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{
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result = reader.ReadToEnd();
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}
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}
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catch (Exception err)
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{
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error = $"WebApi Post请求调用错误：{err.Message}";
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}
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return result;
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}
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/// <summary>
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/// Http下载文件
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/// </summary>
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/// <param name="uri">下载地址</param>
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/// <param name="filefullpath">存放完整路径（含文件名）</param>
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/// <param name="size">每次多的大小</param>
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/// <returns>下载操作是否成功</returns>
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public static bool DownLoadFiles(string uri, string filefullpath, int size = 1000000)
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{
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try
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{
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if (File.Exists(filefullpath))
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{
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try
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{
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File.Delete(filefullpath);
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}
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catch (Exception ex)
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{
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return false;
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}
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}
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string fileDirectory = System.IO.Path.GetDirectoryName(filefullpath);
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if (!Directory.Exists(fileDirectory))
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{
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Directory.CreateDirectory(fileDirectory);
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}
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FileStream fs = new FileStream(filefullpath, FileMode.Create);
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byte[] buffer = new byte[size];
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HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(uri);
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request.Timeout = 100000;
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request.AddRange((int)fs.Length);
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Stream ns = request.GetResponse().GetResponseStream();
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long contentLength = request.GetResponse().ContentLength;
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int length = ns.Read(buffer, 0, buffer.Length);
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while (length > 0)
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{
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fs.Write(buffer,0 , length);
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buffer = new byte[size];
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length = ns.Read(buffer, 0, buffer.Length);
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}
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fs.Close();
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return true;
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}
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catch (Exception ex)
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{
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return false;
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}
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}
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}
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}
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