C#使用Socket上传并保存图片的方法
本文实例讲述了C#使用Socket上传并保存图片的方法。分享给大家供大家参考。具分析如下：
使用stringfilename=openFile.FileName;即返回带全路径的文件名Path.GetFileNameWithoutExtension(filename)即可获得不带路径、后缀名的文件名。上传图片使用二进制tcp协议上传的
客户端代码：
usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;
usingSystem.Net;
usingSystem.Net.Sockets;
usingSystem.Threading;
usingSystem.IO;
namespacesocketClient
{
publicpartialclassForm1:Form
{
SocketclientSocket;
privatestaticbyte[]result=newbyte[1024];
publicForm1()
{
InitializeComponent();
}
privatevoidbuttonBegin_Click(objectsender,EventArgse)
{
//设定服务器IP地址
IPAddressip=IPAddress.Parse("127.0.0.1");
clientSocket=newSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
try
{
clientSocket.Connect(newIPEndPoint(ip,8000));
//配置服务器IP与端口
}
catch
{
MessageBox.Show("连接服务器失败");
return;
}
}
privatevoidbuttonClose_Click(objectsender,EventArgse)
{
this.Close();
}
privatevoidbuttonSelect_Click(objectsender,EventArgse)
{
OpenFileDialogopenFile=newOpenFileDialog();
openFile.Filter="图像文件(*.bmp;*.gif;*.jpg;*.jpeg;*.png)|*.bmp;*.gif;*.jpg;*.jpeg;*.png";
openFile.Multiselect=false;
if(openFile.ShowDialog()==DialogResult.OK)
{
textBox2.Text=openFile.FileName;
}
//stringfilename=openFile.FileName;
//即返回带全路径的文件名
//Path.GetFileNameWithoutExtension(filename)
//即可获得不带路径、后缀名的文件名。
byte[]msg=Encoding.Default.GetBytes(Path.GetFileNameWithoutExtension(openFile.FileName));
clientSocket.Send(msg);
try
{
//开始使用socket发送文件
FileStreamfs=newFileStream(openFile.FileName,FileMode.OpenOrCreate,FileAccess.Read);
byte[]fssize=newbyte[fs.Length];
BinaryReaderstrread=newBinaryReader(fs);
strread.Read(fssize,0,fssize.Length-1);
clientSocket.Send(fssize);
fs.Close();
clientSocket.Shutdown(System.Net.Sockets.SocketShutdown.Send);
clientSocket.Close();
}
catch(Exceptionex)
{
strings=ex.ToString();
return;
}
}
}
}
服务器端代码：
usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;
usingSystem.Net.Sockets;
usingSystem.Net;
usingSystem.Threading;
usingSystem.IO;
usingSystem.Drawing.Imaging;
namespacesocketServer
{
publicpartialclassForm1:Form
{
privatestaticbyte[]result=newbyte[1024];
SocketserverSocket;
publicForm1()
{
InitializeComponent();
}
privatevoidbutton1_Click(objectsender,EventArgse)
{
try
{
IPAddressip=IPAddress.Parse("127.0.0.1");
IPEndPointiep=newIPEndPoint(ip,8000);
serverSocket=newSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
serverSocket.Bind(iep);
serverSocket.Listen(10);
byte[]recvBytes=newbyte[1024];
intbytes=newSocket.Receive(recvBytes,recvBytes.Length,SocketFlags.None);//从客户端接受信息
stringname=Encoding.ASCII.GetString(recvBytes,0,bytes);
textBox1.Text=name+".jpg";
//设置接收数据缓冲区的大小
byte[]b=newbyte[1024*4];
MemoryStreamfs=newMemoryStream();
intgot=0;
intdatalength=0;
while(true)
{
got=newSocket.Receive(b);
fs.Write(b,0,got);
if(got>0)
datalength=datalength+got;
else
break;
}
BitmapImg=newBitmap(fs);
pictureBox1.Image=Img;
stringfilename=name+".jpg";
Img.Save(@"D:images"+filename,ImageFormat.Jpeg);
//关闭写文件流
fs.Close();
//关闭接收数据的Socket
newSocket.Shutdown(System.Net.Sockets.SocketShutdown.Receive);
newSocket.Close();
}
catch(Exceptionse)
{
serverSocket.Close();
MessageBox.Show("连接错误"+se.ToString());
return;
}
}
}
}
希望本文所述对大家的C#程序设计有所帮助。