private void UpdateEmoji(String sendside, int emojinumber)//ui刷新函数，传入值为发送者
{
//this.richTextBox1.Update(); //.BeginUpdate();//开始刷新
RichTextBox lvi = new RichTextBox();
Image tempemoji = Properties.Resources.emoji;
//string temptext = sendside + ":\n\n";
lvi.Text = "\n" + sendside + "\n";//设置item对象文本值
try
{
ResourceManager rm = new ResourceManager(typeof(Properties.Resources));//读取Resource文件中嵌入的图片文件
tempemoji = (Image)rm.GetObject("bq__" + emojinumber.ToString() + "_");
}
catch (Exception e)
{
MessageBox.Show("异常" + e.Message);
}
//tempemoji = LikeResourceManager.LoadEmoji(emojinumber);
richTextBox1.AppendText(lvi.Text);
richTextBox1.AppendText(":\n");
StaticTools.InsertImage(this.richTextBox1, tempemoji);
//this.richTextBox1.AppendText(lvi.Text);//Add(lvi);//添加item对象
//this.richrichTextBox2. //.EndUpdate();//停止刷新
//this.richrichTextBox2.Focus();
richTextBox1.AppendText("\n");
richTextBox1.SelectionStart = richTextBox1.Text.Length;
richTextBox1.ScrollToCaret();
}
//public static string defaultpicpath = @"./savepicture";
//public static string defaultfilepath = @"./savefile";
public static string ReceiveFile(int rect, string sendside, string fileext, byte[] data, Socket tsocket)
{
FileStream wrtr; //文件读写类
//server.Listen(10); //监听
//Socket s = server.Accept(); //当有客户端与服务器进行连接，Accept方法返回socket对象，通过该对象可以获取客户端发送的消息
//byte[] data = new byte[4];
//int rect = tsocket.Receive(data, 2, 4, 0); //用来接收图片字节流长度
int size = BitConverter.ToInt32(data, 2); //16进制转成int型
int dataleft = size;
data = new byte[size]; //创建byte组
string filepath = @"./savefile/newfile in ";
string foldpath = Path.GetDirectoryName(filepath);
Directory.CreateDirectory(foldpath); //如果没有文件夹，则创建
//filepath = StaticTools.AppendTimeStamp(filepath);
filepath = Path.Combine(foldpath, StaticTools.AppendTimeStamp(filepath)); //加入时间戳，并与前置路径连接
filepath = Path.ChangeExtension(filepath, fileext);
wrtr = new FileStream(filepath, FileMode.Create);
//创建新文件"new.jpg",strPath是路径
//data = new byte[2048];
int total = 0;
while (total < size) //当接收长度小于总长度时继续执行
{
rect = tsocket.Receive(data, total, dataleft, 0); //接收字节流，receive方法返回int获取已接收字节个数，第一个参数是需要写入的字节组，第二个参数是起始位置，第三个参数是接收字节的长度
total += rect; //已接收个数-下一次从当前个数开始接收
dataleft -= rect; //剩下的字节长度
}
wrtr.Write(data, 0, data.Length); //输出文件
wrtr.Flush(); //强制输出
wrtr.Close(); //关闭文件流对象
//File.Delete(strpath);
return(filepath);
}
private void Form2_FormClosing(object sender, FormClosingEventArgs e) //点击窗口x调用该函数
{
if (netflag == 0) //判断网络标志是否为0，也就是是否成功连接到网络。
{
newtcpclient.Send(StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), Encoding.UTF8.GetBytes("exitthis"))); //设置字符编码为UTF-8并发送退出消息
newtcpclient.Shutdown(SocketShutdown.Both); //停止socket连接
newtcpclient.Close(); //关闭socket连接
}
thread.Abort(); //关闭子线程
f1.Show(); //显示登录窗口form1
}
public void button1_Click(object sender, EventArgs e) //点击发送按钮调用该函数
{
if (!richTextBox2.Text.Equals("")) //判断输入的消息是否为空
{
if (netflag == 0) //判断网络连接是否成功
{
byte[] tosend = Encoding.UTF8.GetBytes("\n" + name + ":\n" + richTextBox2.Text + "\n");
byte[] temp = StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), tosend);
newtcpclient.Send(temp); //发送socket消息，并编码UTF-8
richTextBox2.Text = ""; //清空发送栏
pictobyte.Clear(); //清空表情转字节流的缓存区
richTextBox2.Focus(); //将光标聚焦在输入框
}
}
}
private void UpdateFile(String sendside, string filepath) //ui刷新函数，传入值为消息
{
this.richTextBox1.Update(); //.BeginUpdate();//开始刷新
RichTextBox lvi = new RichTextBox();
PictureBox pic = new PictureBox();
lvi.Text = "\n" + sendside + "\n"; //设置item对象文本值
this.richTextBox1.AppendText(lvi.Text); //Add(lvi);//添加item对象
richTextBox1.AppendText(":\n");
//this.richrichTextBox2. //.EndUpdate();//停止刷新
//this.richrichTextBox2.Focus();
if (Path.GetExtension(filepath).Contains(".png") || Path.GetExtension(filepath).Contains(".jpg") || Path.GetExtension(filepath).Contains(".jpeg"))
{
StaticTools.InsertImage(richTextBox1, Image.FromFile(filepath));
}
richTextBox1.AppendText("\n");
richTextBox1.AppendText("文件保存于 " + Path.GetFullPath(filepath));
richTextBox1.AppendText("\n");
richTextBox1.SelectionStart = richTextBox1.Text.Length;
richTextBox1.ScrollToCaret();
}
private void button4_Click(object sender, EventArgs e)
{
//初始化一个OpenFileDialog类
OpenFileDialog fileDialog = new OpenFileDialog();
//fileDialog.Filter = "(*.png)|*.png|(*.jpg)|*.jpg|(*.jpeg)|*.jpeg";
//判断用户是否正确的选择了文件
if (fileDialog.ShowDialog() == DialogResult.OK)
{
//获取用户选择文件的后缀名
string extension = Path.GetExtension(fileDialog.FileName);
//声明允许的后缀名
//获取用户选择的文件，并判断文件大小不能超过2000K，fileInfo.Length是以字节为单位的
FileInfo fileInfo = new FileInfo(fileDialog.FileName);
if (fileInfo.Length > 2048000)
{
MessageBox.Show("上传的文件不能大于2000K");
}
else //在这里就可以写获取到正确文件后的代码了
{
string filepath = Path.GetFullPath(fileDialog.FileName);
byte[] bytes = StaticTools.GetFileBytes(filepath); //图片路径，转成字节流
MessageBox.Show("创建字节流成功" + filepath);
byte[] fileext = new byte[4];
fileext = Encoding.UTF8.GetBytes(Path.GetExtension(filepath));
//client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//实例化Socket对象
//client.Connect(iep);//与该ip地址进行连接
byte[] datasize = new byte[4];
datasize = BitConverter.GetBytes(bytes.Length); //把长度作为16进制数放在datasize中
byte[] temp = new byte[6];
temp = StaticTools.CombomBinaryArray(BitConverter.GetBytes(true), BitConverter.GetBytes(false), datasize, fileext);
newtcpclient.Send(temp); //发送字节流长度给服务器
newtcpclient.Send(bytes, bytes.Length, SocketFlags.None); //发送图片字节
}
//}
}
}
private void pictureBox_Click(object sender, EventArgs e)
{
PictureBox pic = sender as PictureBox;//定义鼠标当前点击picureBox的行为
if (pic == null)
{
return;
}
string emojinumber = ((sender) as PictureBox).Tag.ToString();
Image clickemoji = pic.Image;
MessageBox.Show(string.Format("选中{0}号表情", emojinumber));
//pictobyte.Add(StaticTools.BmpConvertByte(clickemoji));
//Clipboard.SetDataObject(clickemoji);
//richTextBox2.Paste(DataFormats.GetFormat(DataFormats.Bitmap));
//StaticTools.InsertImage(this.richTextBox1,clickemoji);
//Clipboard.Clear();
//byte[] tempemoji = new byte[2048];
//byte[] tempemoji=StaticTools.BmpConvertByte(clickemoji);
//int tempsize = tempemoji.Length;
byte[] size = new byte[4];
byte[] selectidx = new byte[4];
bool createidxofemoji;
if (!(createidxofemoji = StaticTools.ConvertIntToByteArray(int.Parse(emojinumber), ref selectidx)))
{
return;
}
nextflag = true;
newtcpclient.Send(StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), selectidx));
//newtcpclient.Send(tempemoji);
//richTextBox2.AppendText(clickemoji.ToString());
////string tag = pic.Tag.ToString();
//string tag = pic.Created.ToString();
//MessageBox.Show(tag);//显示每一个图片位置编号,其他的功能根据自己需要扩展
////this.groupBox.Refresh();
}
private void recv() //子线程
{
byte[] data = new byte[2048]; //byte数据类型，用于保存接受的socket数据
newtcpclient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //实例化socket对象
try
{
IPEndPoint ie = new IPEndPoint(IPAddress.Parse(ip), int.Parse(port));//设置ip地址与端口号
try
{
newtcpclient.Connect(ie);//开始连接
}
catch (SocketException err)
{
Updatetext("与服务器无法建立连接！请确保服务端已经开启，且IP与端口都输入无误\n自动退出中......"); //抛出异常
//Updatetext(err.ToString());
netflag = 1; //设置网络标志位1，也就是无法连接到网络
Thread.Sleep(3000);
this.Dispose();
this.Close();
f1.Show();
return;
}
}
catch (FormatException)
{
try
{
ipdomain = Dns.GetHostAddresses(ip)[0]; //DNS解析域名
IPEndPoint ie = new IPEndPoint(ipdomain, int.Parse(port)); //设置ip地址与端口号
//try
//{
newtcpclient.Connect(ie);//开始连接
//}
}
catch (SocketException err)
{
Updatetext("与服务器无法建立连接！请确保服务端已经开启，且IP与端口都输入无误\n自动退出中......"); //抛出异常
//MessageBox.Show(err.ToString());
netflag = 1; //设置网络标志位1，也就是无法连接到网络
Thread.Sleep(3000);
this.Dispose();
this.Close();
f1.Show();
return;
}
}
byte[] temp;
//temp = StaticTools.CombomBinaryArray(BitConverter.GetBytes(StaticTools.OSHelper.IsUnix), Encoding.UTF8.GetBytes(name.ToCharArray()));
temp = Encoding.UTF8.GetBytes(name.ToCharArray());
newtcpclient.Send(temp); //将判断是否为unix系统的结果和用户名发送给服务端
int recv = newtcpclient.Receive(data); //接收服务器上线数据
//MessageBox.Show(recv.ToString());
string stringdata = Encoding.UTF8.GetString(data, 0, recv); //将byte数据转化为字符类型
Updatetext(stringdata); //传入ui数据并刷新
this.richTextBox1.AppendText("\n");
while (true)
{
byte[] temppattern = new byte[2048]; //byte数据类型，用于保存接受的【传输模式+长度+发送者】
data = new byte[2048]; //byte数据类型，用于保存接受的socket数据
string sendside;
try
{
recv = newtcpclient.Receive(temppattern);
if (Convert.ToBoolean(temppattern[0]))
{
if (Convert.ToBoolean(temppattern[1]))//闲置
{
}
else//文件
{
sendside = Encoding.UTF8.GetString(temppattern, 10, recv);
MessageBox.Show("prepare to receive the file " + sendside);
string fileext = Encoding.UTF8.GetString(temppattern, 6, 4);
string DefaultFilePath = StaticTools.ReceiveFile(recv, sendside, fileext, temppattern, newtcpclient);
MessageBox.Show("Receive File Success");
UpdateFile(sendside, DefaultFilePath);
firstflag = false;
temppattern = new byte[2048];
}
}
else
{
if (Convert.ToBoolean(temppattern[1]))//表情
{
//MessageBox.Show("Receiving Emoji and recv is " + recv.ToString());
sendside = Encoding.UTF8.GetString(temppattern, 6, recv);
int transemoji = BitConverter.ToInt32(temppattern, 2);
UpdateEmoji(sendside, transemoji);//打印表情
nextflag = false;
temppattern = new byte[2048];
}
else//字（默认）
{
//MessageBox.Show("Receiving Text and recv is "+recv.ToString());
//recv = newtcpclient.Receive(data);//接收消息数据
//MessageBox.Show(recv.ToString())
stringdata = Encoding.UTF8.GetString(temppattern, 2, recv); //将byte数据转化为字符类型
//MessageBox.Show("stringdata is"+stringdata);
Updatetext(stringdata); //传入ui数据刷新
}
}
//recv = newtcpclient.Receive(data);//接收消息数据
////MessageBox.Show(recv.ToString());
//stringdata = Encoding.UTF8.GetString(data, 0, recv);//将byte数据转化为字符类型
//Updatetext(stringdata);//传入ui数据刷新
}
catch (SocketException s) {
this.Dispose();
this.Close();
//MessageBox.Show(thread.IsAlive.ToString());
f1.Show();
break;
}
}
}