c# post文字图片至服务器

最近由于项目需要实现c#提交文字及数据至服务器，因此研究了一下c# php数据传送；

下面用一个示例来演示，c# post文字+图片 ，php端接收；

post提交数据核心代码（post数据提交）

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Drawing; using System.Web; using System.Net;   namespace postpic {     class postClass     {         /// <summary>         /// 向服务器post文字和图片         /// </summary>         ///<param name="url">url         ///<param name="userName">用户名         ///<param name="userPwd">密码         ///<param name="jpegPath">头像地址         /// <returns>返回服务器返回值</returns>         public string post(string url,string userName, string userPwd, string jpegPath)         {             //将图片转化为byte[]再转化为string             string array = Convert.ToBase64String(imageToByteArray(jpegPath));             //构造post提交字段             string para = name=+userName+&pwd=+userPwd+&head=+HttpUtility.UrlEncode(array);                     #region HttpWebRequest写法               HttpWebRequest httpWeb = (HttpWebRequest)WebRequest.Create(url);             httpWeb.Timeout = 20000;             httpWeb.Method = POST;             httpWeb.ContentType = application/x-www-form-urlencoded;             byte[] bytePara = Encoding.ASCII.GetBytes(para);             using (Stream reqStream = httpWeb.GetRequestStream())             {                 //提交数据                 reqStream.Write(bytePara, 0, para.Length);             }             //获取服务器返回值             HttpWebResponse httpWebResponse = (HttpWebResponse)httpWeb.GetResponse();             Stream stream = httpWebResponse.GetResponseStream();             StreamReader streamReader = new StreamReader(stream, Encoding.GetEncoding(utf-8));             //获得返回值             string result = streamReader.ReadToEnd();             stream.Close();               #endregion             //将服务器返回值返回             return result;         }           /// <summary>         /// 图片转为Byte字节数组         /// </summary>         ///<param name="FilePath">路径         /// <returns>字节数组</returns>         private byte[] imageToByteArray(string FilePath)         {             using (MemoryStream ms = new MemoryStream())             {                 using (Image imageIn = Image.FromFile(FilePath))                 {                     using (Bitmap bmp = new Bitmap(imageIn))                     {                         bmp.Save(ms, imageIn.RawFormat);                     }                 }                 return ms.ToArray();             }         }     }       }

一、c#客户端

为了方便说明，我直接简化了，一个提交按钮就好了。

二、需要提交的图片

该图片存放在俺的E盘根目录下面~~~~~（贴吧随便抓的一张图片）

path = @E:head.jpg;

三、php服务端

接收图片后存放至，path = @C:Loginlog;

附录：

c#端代码：

c#界面简单代码~~~~~（该代码可略过~~~~~）

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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms;   namespace postpic {     public partial class postFrom : Form     {         public postFrom()         {             InitializeComponent();         }         /// <summary>         /// 提交按钮，提交post数据         /// </summary>         ///<param name="sender">         ///<param name="e">         private void btnpost_Click(object sender, EventArgs e)         {             //postClass为数据提交类             postClass ps = new postClass();             string url = @http://localhost/login.php;             string name = DooZn;             string pwd = a12345;             string jpegPath = @E:head.jpg;               //提交数据             string value = ps.post(url,name,pwd,jpegPath);               //value为服务器返回值             if (value.Contains(1))             {                 MessageBox.Show(登陆成功.);             }             else if (value.Contains(0))             {                 MessageBox.Show(登陆失败.);             }             else             {                 MessageBox.Show(未知错误.);             }         }     } }