pyqt远程批量执行Linux命令程序的方法

写了个小程序：

功能

1.测试远程ssh连接是否成功，

2.批量执行远程ssh命令

效果如下：

代码如下：

#-*- coding:utf-8 -*-import sysfrom PyQt4 import QtCore, QtGui, uicimport localeimport reimport osfrom PyQt4.QtCore import *from PyQt4.QtGui import *import paramikoqtCreatorFile = "test.ui" # Enter file here. Ui_MainWindow, QtBaseClass = uic.loadUiType(qtCreatorFile)a = 0username_list = []ip_list = []password_list = []class MyApp(QtGui.QMainWindow, Ui_MainWindow):  def __init__(self):    QtGui.QMainWindow.__init__(self)    Ui_MainWindow.__init__(self)    self.setupUi(self)    self.add.clicked.connect(self.add_info)    self.test.clicked.connect(self.test_link)    self.do_2.clicked.connect(self.do_command)  def add_info(self):    global a    ip = self.ip.text()    ip_list.append(ip)    username = self.username.text()    username_list.append(username)    password = self.password.text()    password_list.append(password)    self.table.setHorizontalHeaderLabels(['ip','username','password'])    newItem = QTableWidgetItem(ip)     self.table.setItem(a, 0, newItem)         newItem = QTableWidgetItem(username)     self.table.setItem(a, 1, newItem)          newItem = QTableWidgetItem(password)     self.table.setItem(a, 2, newItem)    a += 1  def test_link(self):    ip = str(self.ip.text())    username = str(self.username.text())    password = str(self.password.text())    try:      ssh = paramiko.SSHClient()      ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())      ssh.connect(ip, 22, username, password)      stdin, stdout, stderr = ssh.exec_command("who")      print stdout.read()      search = re.search(stdout.read(), username)      if search:        info = u"连接成功"      else:        info = u"连接失败"    except:      info = u"连接失败"    print info    self.state.setText(info)    ssh.close()   def do_command(self):    command = str(self.command.text())    ssh = paramiko.SSHClient()    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())    for i in range(len(ip_list)):      ip = str(ip_list[i])      username = str(username_list[i])      password = str(password_list[i])      ssh.connect(ip, 22, username, password)      stdin, stdout, stderr = ssh.exec_command(command)      info = stdout.read()      self.result.append(info)     ssh.close()    if __name__ == "__main__":  app = QtGui.QApplication(sys.argv)  mycode = locale.getpreferredencoding()  code = QTextCodec.codecForName(mycode)  QTextCodec.setCodecForLocale(code)  QTextCodec.setCodecForTr(code)  QTextCodec.setCodecForCStrings(code)  window = MyApp()  window.show()  sys.exit(app.exec_())

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