客戶端：
from PyQt5 import QtCore, QtGui, QtWidgets, QtNetwork
from PyQt5.QtCore import pyqtSlot,pyqtSignal, QByteArray, QDataStream
import datetime
import time
PORT=26709
SIZEOF_UINT16 = 2
def robust(actual_do):
def add_robust(*args, **keyargs):
try:
return actual_do(*args, **keyargs)
except Exception as e:
print ('Error execute: %s \nException: %s' % (actual_do.__name__, e))
return add_robust
class Ui_Form(object):
def setupUi(self, Form:QtWidgets.QWidget):
Form.setObjectName("Form")
self.bwr = QtWidgets.QTextBrowser()
self.btnSend = QtWidgets.QPushButton()
self.btnSend.setObjectName("btnSend")
self.btnOpen = QtWidgets.QPushButton()
self.btnOpen.setObjectName("btnOpen")
self.lb_psbar = QtWidgets.QLabel()
self.lb_speed = QtWidgets.QLabel()
self.psbar = QtWidgets.QProgressBar()
self.layer_1 = QtWidgets.QHBoxLayout()
self.layer_1.addWidget(self.lb_psbar)
self.layer_1.addWidget(self.psbar)
self.layer_1.addWidget(self.lb_speed)
self.layer_2 = QtWidgets.QHBoxLayout()
self.layer_2.addWidget(self.btnOpen)
self.layer_2.addWidget(self.btnSend)
self.layer_0 = QtWidgets.QVBoxLayout()
self.layer_0.addWidget(self.bwr)
self.layer_0.addLayout(self.layer_1)
self.layer_0.addLayout(self.layer_2)
Form.setLayout(self.layer_0)
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form) # 需要定義控件的setObjectName
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Form"))
self.lb_psbar.setText(_translate("Form", "進度"))
self.lb_speed.setText(_translate("Form", "speed"))
self.btnOpen.setText(_translate("Form", "open"))
self.btnSend.setText(_translate("Fomr", "Send"))
class Client(QtWidgets.QWidget, Ui_Form):
def __init__(self, parent=None):
super(Client, self).__init__(parent)
self.setupUi(self)
self.psbar.hide()
self.socket = QtNetwork.QTcpSocket()
self.socket.setObjectName("socket")
#self.socket.readyRead.connect(self.readResponse)
self.socket.connectToHost("localhost", PORT)
self.socket.bytesWritten.connect(self.on_server_bytesWritten)
self.filename = ""
self.outblock = QByteArray()
@pyqtSlot()
def on_socket_readyRead(self):
pass
@robust
@pyqtSlot()
def on_btnOpen_clicked(self):
"""
Slot documentation goes here.
"""
# TODO: not implemented yet
# 初始化文件信息
self.loadsize = 0
self.byte2write = 0
self.totalsize = 0
#self.outblock.clear()
self.filename = QtWidgets.QFileDialog().getOpenFileName(self)[0]
self.localfile = QtCore.QFile(self.filename)
self.localfile.open(QtCore.QFile.ReadOnly)
tmp_log = "[open file] %s[sucessed]"% self.filename
self.on_bwr_update(tmp_log)
def on_bwr_update(self, tmp_log):
current_time = datetime.datetime.now().strftime('[%Y-%m-%d %H:%M:%S]')
self.bwr.append("%s %s"%(current_time, tmp_log))
@pyqtSlot()
def on_btnSend_clicked(self):
self.send()
self.old_time = time.time()
self.start_time = time.time()
self.bitch_send_bytes = 0
def send(self):
self.byte2write = self.localfile.size()
self.totalsize = self.localfile.size()
self.loadsize = 4*1024
out = QDataStream(self.outblock, QtCore.QIODevice.WriteOnly)
current_filename = self.filename.split("/")[-1]
out.writeInt64(0)
out.writeInt64(0)
self.totalsize += self.outblock.size()
self.byte2write += self.outblock.size()
out.writeQString(current_filename)
out.device().seek(0)
out.writeInt64(self.totalsize)
out.writeInt64(self.outblock.size())
self.socket.write(self.outblock)
self.psbar.show()
self.psbar.setMaximum(self.totalsize)
self.psbar.setValue(self.totalsize - self.byte2write)
def on_server_bytesWritten(self, num_bytes):
self.byte2write -= num_bytes
self.outblock = self.localfile.read(min(self.byte2write, self.loadsize))
self.socket.write(self.outblock)
self.psbar.setMaximum(self.totalsize)
self.psbar.setValue(self.totalsize - self.byte2write)
self.bitch_send_bytes += num_bytes
self.now_time = time.time()
if self.now_time - self.old_time >= 1:
speed = self.bitch_send_bytes/(self.now_time - self.old_time)/1024
self.bitch_send_bytes = 0
speed = speed / 1024
self.old_time = self.now_time
self.lb_speed.setText("%0.2f M/s"%(speed))
if self.byte2write == 0:
self.outblock = QByteArray()
self.on_bwr_update("completed!!![sucessed]")
print("spent time : %f"%(time.time() - self.start_time))
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
dlg = Client()
dlg.show()
sys.exit(app.exec_())
Server
from PyQt5 import QtCore, QtGui, QtWidgets, QtNetwork
from PyQt5.QtCore import pyqtSlot,pyqtSignal, QByteArray, QDataStream
import datetime
PORT=26709
SIZEOF_UINT16 = 2
def robust(actual_do):
def add_robust(*args, **keyargs):
try:
return actual_do(*args, **keyargs)
except Exception as e:
print ('Error execute: %s \nException: %s' % (actual_do.__name__, e))
return add_robust
class Ui_Form(object):
def setupUi(self, Form:QtWidgets.QWidget):
Form.setObjectName("Form")
self.bwr = QtWidgets.QTextBrowser()
self.btnSend = QtWidgets.QPushButton()
self.btnSend.setObjectName("btnSend")
self.btnOpen = QtWidgets.QPushButton()
self.btnOpen.setObjectName("btnOpen")
self.lb_psbar = QtWidgets.QLabel()
self.psbar = QtWidgets.QProgressBar()
self.layer_1 = QtWidgets.QHBoxLayout()
self.layer_1.addWidget(self.lb_psbar)
self.layer_1.addWidget(self.psbar)
self.layer_2 = QtWidgets.QHBoxLayout()
self.layer_2.addWidget(self.btnOpen)
#self.layer_2.addWidget(self.btnSend)
self.layer_0 = QtWidgets.QVBoxLayout()
self.layer_0.addWidget(self.bwr)
self.layer_0.addLayout(self.layer_1)
self.layer_0.addLayout(self.layer_2)
Form.setLayout(self.layer_0)
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form) # 需要定義控件的setObjectName
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Form"))
self.lb_psbar.setText(_translate("Form", "進度"))
self.btnOpen.setText(_translate("Form", "open"))
#self.btnSend.setText(_translate("Fomr", "Send"))
class Server(QtWidgets.QWidget, Ui_Form):
def __init__(self, parent=None):
super(Server, self).__init__(parent)
self.setupUi(self)
self.psbar.hide()
self.socket = QtNetwork.QTcpSocket()
@pyqtSlot()
def on_btnOpen_clicked(self):
self.server = QtNetwork.QTcpServer()
self.server.listen(QtNetwork.QHostAddress("0.0.0.0"), PORT)
self.server.setObjectName("server")
self.server.newConnection.connect(self.on_server_newConnection)
self.totalsize = 0
self.bytereceived = 0
self.filename = ""
self.inblock = QByteArray()
self.on_bwr_update("open server, begin")
def on_bwr_update(self, tmp_log):
current_time = datetime.datetime.now().strftime('[%Y-%m-%d %H:%M:%S]')
self.bwr.append("%s %s"%(current_time, tmp_log))
# @pyqtSlot()
def on_server_newConnection(self):
self.on_bwr_update("connected[sucessed]")
self.socket = self.server.nextPendingConnection()
self.socket.setObjectName("socket")
self.socket.readyRead.connect(self.on_socket_readyRead)
# @pyqtSlot()
@robust
def on_socket_readyRead(self):
if self.bytereceived == 0:
self.on_bwr_update("receiving...")
self.psbar.setValue(0)
recv = QDataStream(self.socket)
self.totalsize = recv.readInt64()
self.bytereceived = recv.readInt64()
self.filename = recv.readQString()
self.filename = "Download/" + self.filename
self.new_file = QtCore.QFile(self.filename)
self.new_file.open(QtCore.QFile.WriteOnly)
else:
self.inblock = self.socket.readAll()
self.bytereceived += self.inblock.size()
self.new_file.write(self.inblock)
self.new_file.flush()
self.psbar.show()
self.psbar.setMaximum(self.totalsize)
self.psbar.setValue(self.bytereceived)
if self.bytereceived == self.totalsize:
self.on_bwr_update("[completed] received!!!")
self.new_file.close() # 接受完成關閉文件
self.end_recv() # 接受完畢初始化文件信息
self.inblock.clear() # 清空接受緩存
def end_recv(self):
self.totalsize = 0
self.bytereceived = 0
self.filename = ""
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
dlg = Server()
dlg.show()
sys.exit(app.exec_())