public void ReadCallBack(IAsyncResult ar)
{
string content = string.Empty;
StateObject stateObject = (StateObject)ar.AsyncState;
Socket handler = stateObject.workSocket;
Data data = new Data();
int bytesRead = handler.EndReceive(ar);
if (bytesRead > 0)
{
content = Encoding.UTF8.GetString(stateObject.buffer, 0, bytesRead);
try
{
MessageModel messageModel = JsonConvert.DeserializeObject <MessageModel>(content);
if (messageModel.MessageFile != null)
{
byte[] filebyte = Convert.FromBase64String(messageModel.MessageFile);
string fileName = Guid.NewGuid().ToString();
try
{
File.WriteAllBytes(this.saveFilePath + fileName + ".png", filebyte); //往指定的路径写入文件
messageModel.MessageFile = fileName; //把文件名插入数据库
}
catch (Exception e)
{
MessageBox.Show("尝试往指定路径写入文件时出错 路径为:" + this.saveFilePath);
}
PictureBox pictureBox = CreatePicture(filebyte);
AddControlToPanel(pictureBox);
}
if (messageModel.MessageText != null && messageModel.MessageText != "")
{
Label receivedata = new Label();
receivedata.Text = messageModel.MessageText + " :" + messageModel.CreateTime;
receivedata.AutoSize = true;
AddControlToPanel(receivedata);
}
messageModel.Guid = Guid.NewGuid().ToString();
bool result = data.InsertMessage(messageModel);
Send(handler, messageModel);//返回信息
if (!result)
{
MessageBox.Show("Insert Message Error");
}
}
catch (Exception e)
{
MessageBox.Show("receive error" + e.ToString());
}
}
}