标签:http io ar color os sp for java on
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.); } } } } |
标签:http io ar color os sp for java on
原文地址:http://www.cnblogs.com/rr163/p/4164098.html