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簡(jiǎn)介

看到了一個(gè)能夠輕松實(shí)現(xiàn)獲取系統(tǒng)運(yùn)行的進(jìn)程和系統(tǒng)利用率（包括CPU、內(nèi)存、磁盤、網(wǎng)絡(luò)等）信息的模塊–psutil模塊。這次利用psutil.net_io_counters()這個(gè)方法。

psutil模塊使用

>>> psutil.net_io_counters() # 獲取網(wǎng)絡(luò)讀寫字節(jié)／包的個(gè)數(shù)

snetio(bytes_sent=16775953, bytes_recv=712657945, packets_sent=216741, packets_recv=485775, errin=0, errout=0, dropin=0, dropout=0)

bytes_sent:上傳數(shù)據(jù)
bytes_recv: 接收數(shù)據(jù)

主界面

class NetWindows(QMainWindow):
 net_signal = pyqtSignal(str,str)
 def __init__(self):
  super(NetWindows,self).__init__()
  self.ui_init()  
  self.thread_init()

 def ui_init(self):
  self.setWindowTitle('網(wǎng)速')
  self.resize(200,80)
  self.setWindowOpacity(0.9) # 設(shè)置窗口透明度
  self.setWindowFlag(Qt.FramelessWindowHint) # 隱藏邊框
  self.setWindowFlag(Qt.WindowStaysOnTopHint) # 窗口始終顯示在最前面
  self.upload_icon = QLabel()
  self.upload_icon.setPixmap(QPixmap(':res/upload.png'))
  self.upload_icon.setScaledContents(True)
  self.download_icon = QLabel()
  self.download_icon.setPixmap(QPixmap(':res/download.png'))
  self.download_icon.setScaledContents(True)
  self.upload_text = QLabel()
  self.upload_text.setText('upload: ')
  self.download_text = QLabel()
  self.download_text.setText('download: ')
  self.upload_lab = QLabel()
  self.download_lab = QLabel()
  self.g_layout = QGridLayout()
  self.g_layout.addWidget(self.upload_icon,0,0,1,1)
  self.g_layout.addWidget(self.download_icon,1,0,1,1)
  self.g_layout.addWidget(self.upload_text,0,1,1,1)
  self.g_layout.addWidget(self.download_text,1,1,1,1)
  self.g_layout.addWidget(self.upload_lab,0,2,1,4)
  self.g_layout.addWidget(self.download_lab,1,2,1,4)
  self.widget = QWidget()
  self.widget.setLayout(self.g_layout)
  self.setCentralWidget(self.widget)
 def thread_init(self):
  self.net_thread = NetThread()
  self.net_thread.net_signal.connect(self.net_slot)
  self.net_thread.start(1000)
 def variate_init(self):
  self.upload_content = ''
  self.download_content = ''
 def net_slot(self,upload_content,download_content):
  self.upload_lab.setText(upload_content)
  self.download_lab.setText(download_content)
 
 def mousePressEvent(self, event):
  '''
  重寫按下事件
  ''' 
  self.start_x = event.x()
  self.start_y = event.y()
 def mouseMoveEvent(self, event):
  '''
  重寫移動(dòng)事件
  '''  
  dis_x = event.x() - self.start_x
  dis_y = event.y() - self.start_y
  self.move(self.x()+dis_x, self.y()+dis_y)

mousePressEvent()

獲取鼠標(biāo)按下時(shí)的坐標(biāo)位置(相對(duì)于窗口左上角)

mouseMoveEvent()

當(dāng)鼠標(biāo)處于按下?tīng)顟B(tài)并開(kāi)始移動(dòng)時(shí)，鼠標(biāo)離窗口左上角的位置會(huì)不斷更新并保存在event.x()和event.y()中。
我們將更新后的x和y值不斷減去鼠標(biāo)按下時(shí)的坐標(biāo)位置，就可以知道鼠標(biāo)移動(dòng)的距離。最后再調(diào)用move方法將窗口當(dāng)前坐標(biāo)加上移動(dòng)距離即可

網(wǎng)速線程

class NetThread(QThread):
 net_signal = pyqtSignal(str,str)
 def __init__(self):
  super(NetThread,self).__init__()
 def net_func(self):
  parameter = psutil.net_io_counters()
  recv1 = parameter[1] #接收數(shù)據(jù)
  send1 = parameter[0] #上傳數(shù)據(jù)
  time.sleep(1)  # 每隔1s監(jiān)聽(tīng)端口接收數(shù)據(jù)
  parameter = psutil.net_io_counters()
  recv2 = parameter[1]
  send2 = parameter[0]
  self.upload_content = '{:.1f} kb/s.'.format((send2 - send1) / 1024.0)
  self.download_content = '{:.1f} kb/s.'.format((recv2 - recv1) / 1024.0)
 def run(self):
  while(1):
self.net_func()
self.net_signal.emit(self.upload_content,self.download_content)
time.sleep(1)

全部代碼

import sys
import time
import psutil
from PyQt5.QtWidgets import QApplication, QHBoxLayout, QMainWindow, QWidget, QFrame, QLabel, QVBoxLayout, QGridLayout
from PyQt5.QtCore import Qt, pyqtSignal, QThread
from PyQt5.QtGui import QPixmap
import res
class NetWindows(QMainWindow):
 net_signal = pyqtSignal(str,str)
 def __init__(self):
  super(NetWindows,self).__init__()
  self.ui_init()  
  self.thread_init()

 def ui_init(self):
  self.setWindowTitle('網(wǎng)速')
  self.resize(200,80)
  self.setWindowOpacity(0.9) # 設(shè)置窗口透明度
  self.setWindowFlag(Qt.FramelessWindowHint) # 隱藏邊框
  self.setWindowFlag(Qt.WindowStaysOnTopHint) # 窗口始終顯示在最前面
  self.upload_icon = QLabel()
  self.upload_icon.setPixmap(QPixmap(':res/upload.png'))
  self.upload_icon.setScaledContents(True)
  self.download_icon = QLabel()
  self.download_icon.setPixmap(QPixmap(':res/download.png'))
  self.download_icon.setScaledContents(True)
  self.upload_text = QLabel()
  self.upload_text.setText('upload: ')
  self.download_text = QLabel()
  self.download_text.setText('download: ')
  self.upload_lab = QLabel()
  self.download_lab = QLabel()
  self.g_layout = QGridLayout()
  self.g_layout.addWidget(self.upload_icon,0,0,1,1)
  self.g_layout.addWidget(self.download_icon,1,0,1,1)
  self.g_layout.addWidget(self.upload_text,0,1,1,1)
  self.g_layout.addWidget(self.download_text,1,1,1,1)
  self.g_layout.addWidget(self.upload_lab,0,2,1,4)
  self.g_layout.addWidget(self.download_lab,1,2,1,4)
  self.widget = QWidget()
  self.widget.setLayout(self.g_layout)
  self.setCentralWidget(self.widget)
 def thread_init(self):
  self.net_thread = NetThread()
  self.net_thread.net_signal.connect(self.net_slot)
  self.net_thread.start(1000)
 def variate_init(self):
  self.upload_content = ''
  self.download_content = ''
 def net_slot(self,upload_content,download_content):
  self.upload_lab.setText(upload_content)
  self.download_lab.setText(download_content)
 
 def mousePressEvent(self, event):
  '''
  重寫按下事件
  ''' 
  self.start_x = event.x()
  self.start_y = event.y()
 def mouseMoveEvent(self, event):
  '''
  重寫移動(dòng)事件
  '''  
  dis_x = event.x() - self.start_x
  dis_y = event.y() - self.start_y
  self.move(self.x()+dis_x, self.y()+dis_y)
class NetThread(QThread):
 net_signal = pyqtSignal(str,str)
 def __init__(self):
  super(NetThread,self).__init__()
 def net_func(self):
  parameter = psutil.net_io_counters()
  recv1 = parameter[1] #接收數(shù)據(jù)
  send1 = parameter[0] #上傳數(shù)據(jù)
  time.sleep(1)  # 每隔1s監(jiān)聽(tīng)端口接收數(shù)據(jù)
  parameter = psutil.net_io_counters()
  recv2 = parameter[1]
  send2 = parameter[0]
  self.upload_content = '{:.1f} kb/s.'.format((send2 - send1) / 1024.0)
  self.download_content = '{:.1f} kb/s.'.format((recv2 - recv1) / 1024.0)
 def run(self):
  while(1):
self.net_func()
self.net_signal.emit(self.upload_content,self.download_content)
time.sleep(1)

if __name__ == '__main__':
 app = QApplication(sys.argv)
 dispaly = NetWindows()
 dispaly.show()
 netwidows = NetWindows()
 sys.exit(app.exec_())

成果展示

到此這篇關(guān)于Python PyQt5實(shí)戰(zhàn)項(xiàng)目之網(wǎng)速監(jiān)控器的實(shí)現(xiàn)的文章就介紹到這了,更多相關(guān)Python PyQt5 網(wǎng)速監(jiān)控器內(nèi)容請(qǐng)搜索本站以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持本站！

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