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怎么在PyQt中使用socket遠(yuǎn)程操作服務(wù)器?針對(duì)這個(gè)問(wèn)題,這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答,希望可以幫助更多想解決這個(gè)問(wèn)題的小伙伴找到更簡(jiǎn)單易行的方法。
需求設(shè)計(jì)
1、開發(fā)界面,方便用戶輸入IP、用戶名、密碼以及執(zhí)行的命令。
2、IP、用戶名、密碼和命令輸入提供默認(rèn)值。特別是用戶名和密碼,對(duì)于測(cè)試服務(wù)器來(lái)說(shuō),通常都是固定的。
3、IP、命令行輸入框可以自動(dòng)補(bǔ)全用戶輸入。自動(dòng)補(bǔ)全常用IP、命令行可以提高操作效率。
4、可以自動(dòng)保存用戶執(zhí)行成功的IP、命令行。用于完善自動(dòng)補(bǔ)全命令(本文代碼未實(shí)現(xiàn))。
需求設(shè)計(jì)
1、使用Qt Designer實(shí)現(xiàn)界面開發(fā)。開發(fā)后界面參考如下:
2、使用socket程序登錄服務(wù)器并執(zhí)行命令,并將結(jié)果顯示在界面文本框中。
代碼實(shí)現(xiàn)(程序可以直接復(fù)制運(yùn)行)
1、使用Qt Designer實(shí)現(xiàn)界面開發(fā)。拖動(dòng)4個(gè)label+4個(gè)輸入框+1個(gè)按鈕+1個(gè)textBrowser到主界面。開發(fā)后界面同需求設(shè)計(jì)中的截圖。
2、使用pyuic5 -o commandtools.py commandtools.ui指令將.ui文件轉(zhuǎn)換成.py文件。
# -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'commandTools.ui' # # Created by: PyQt5 UI code generator 5.11.3 # # WARNING! All changes made in this file will be lost! from PyQt5 import QtCore, QtGui, QtWidgets class Ui_Form(object): def setupUi(self, Form): Form.setObjectName("Form") Form.resize(483, 347) self.ip_label = QtWidgets.QLabel(Form) self.ip_label.setGeometry(QtCore.QRect(30, 20, 16, 16)) font = QtGui.QFont() font.setBold(True) font.setWeight(75) self.ip_label.setFont(font) self.ip_label.setObjectName("ip_label") self.ip_lineEdit = QtWidgets.QLineEdit(Form) self.ip_lineEdit.setGeometry(QtCore.QRect(50, 20, 101, 20)) self.ip_lineEdit.setObjectName("ip_lineEdit") self.username_label = QtWidgets.QLabel(Form) self.username_label.setGeometry(QtCore.QRect(160, 20, 61, 16)) font = QtGui.QFont() font.setBold(True) font.setWeight(75) self.username_label.setFont(font) self.username_label.setObjectName("username_label") self.username_lineEdit = QtWidgets.QLineEdit(Form) self.username_lineEdit.setGeometry(QtCore.QRect(220, 20, 71, 20)) self.username_lineEdit.setObjectName("username_lineEdit") self.password_label = QtWidgets.QLabel(Form) self.password_label.setGeometry(QtCore.QRect(300, 20, 61, 16)) font = QtGui.QFont() font.setBold(True) font.setWeight(75) self.password_label.setFont(font) self.password_label.setObjectName("password_label") self.password_lineEdit = QtWidgets.QLineEdit(Form) self.password_lineEdit.setGeometry(QtCore.QRect(360, 20, 80, 20)) self.password_lineEdit.setObjectName("password_lineEdit") self.command_label = QtWidgets.QLabel(Form) self.command_label.setGeometry(QtCore.QRect(30, 70, 51, 16)) font = QtGui.QFont() font.setBold(True) font.setWeight(75) self.command_label.setFont(font) self.command_label.setObjectName("command_label") self.command_lineEdit = QtWidgets.QLineEdit(Form) self.command_lineEdit.setGeometry(QtCore.QRect(90, 70, 251, 20)) self.command_lineEdit.setObjectName("command_lineEdit") self.result_textBrowser = QtWidgets.QTextBrowser(Form) self.result_textBrowser.setGeometry(QtCore.QRect(30, 120, 410, 201)) self.result_textBrowser.setObjectName("result_textBrowser") self.run_Button = QtWidgets.QPushButton(Form) self.run_Button.setGeometry(QtCore.QRect(360, 70, 80, 23)) self.run_Button.setObjectName("run_Button") self.retranslateUi(Form) QtCore.QMetaObject.connectSlotsByName(Form) def retranslateUi(self, Form): _translate = QtCore.QCoreApplication.translate Form.setWindowTitle(_translate("Form", "cmdTool")) self.ip_label.setText(_translate("Form", "IP")) self.ip_lineEdit.setText(_translate("Form", "127.0.0.1")) self.username_label.setText(_translate("Form", "username")) self.username_lineEdit.setText(_translate("Form", "admin")) self.password_label.setText(_translate("Form", "password")) self.password_lineEdit.setText(_translate("Form", "Winovs12!")) self.command_label.setText(_translate("Form", "Command")) self.command_lineEdit.setText(_translate("Form", "LST LOG")) self.run_Button.setText(_translate("Form", "Run"))
3、實(shí)現(xiàn)主程序callcommand.py調(diào)用(業(yè)務(wù)與邏輯分離)。代碼如下:
# -*- coding: utf-8 -*- import sys import time import socket from PyQt5.QtWidgets import QApplication, QMainWindow,QCompleter from PyQt5.QtCore import Qt,QThread,pyqtSignal from commandTools import Ui_Form class MyMainForm(QMainWindow, Ui_Form): def __init__(self, parent=None): """ 構(gòu)造函數(shù) """ super(MyMainForm, self).__init__(parent) self.setupUi(self) self.run_Button.clicked.connect(self.execte_command) self.ip_init_lst = ['121.1.1.1', '192.168.1.1', '172.16.1.1'] self.init_lineedit(self.ip_lineEdit,self.ip_init_lst) self.cmd_init_lst = ['LST LOG', 'LST PARA','MOD PARA'] self.init_lineedit(self.command_lineEdit,self.cmd_init_lst) def init_lineedit(self, lineedit, item_list): """ 用戶初始化控件自動(dòng)補(bǔ)全功能 """ # 增加自動(dòng)補(bǔ)全 self.completer = QCompleter(item_list) # 設(shè)置匹配模式 有三種: Qt.MatchStartsWith 開頭匹配(默認(rèn)) Qt.MatchContains 內(nèi)容匹配 Qt.MatchEndsWith 結(jié)尾匹配 self.completer.setFilterMode(Qt.MatchContains) # 設(shè)置補(bǔ)全模式 有三種: QCompleter.PopupCompletion(默認(rèn)) QCompleter.InlineCompletion QCompleter.UnfilteredPopupCompletion self.completer.setCompletionMode(QCompleter.PopupCompletion) # 給lineedit設(shè)置補(bǔ)全器 lineedit.setCompleter(self.completer) def execte_command(self): """ 登錄服務(wù)器,并執(zhí)行命令 """ ip, username, password, command = self.get_input_para() print(type(ip)) sockethandle = socket.socket(socket.AF_INET,socket.SOCK_STREAM) sockethandle.connect((str(ip), 6000)) send_cmd = "username: %s, admin: %s, command: %s" % (username, password, command) print(send_cmd) sockethandle.sendall(send_cmd.encode('utf-8')) time.sleep(0.5) recdata = sockethandle.recv(65535) tran_recdata = recdata.decode('utf-8') self.result_textBrowser.setText(tran_recdata) def get_input_para(self): """ 獲取用戶界面輸入 """ ip = self.ip_lineEdit.text() username = self.username_lineEdit.text() password = self.password_lineEdit.text() command = self.command_lineEdit.text() return ip, username, password, command if __name__ == "__main__": app = QApplication(sys.argv) myWin = MyMainForm() myWin.show() sys.exit(app.exec_())
4、使用pyinstaller轉(zhuǎn)換成可執(zhí)行的.exe文件。命令: pyinstaller -F callcommand.py -w
執(zhí)行成功,生成的文件在d:\temp\dist\dist\callcommand.exe
5、運(yùn)行callcommand.exe,點(diǎn)擊run運(yùn)行
關(guān)鍵代碼
1、輸入框自動(dòng)補(bǔ)全功能函數(shù)。同樣適用于下拉框控件。
def init_lineedit(self, lineedit, item_list): """ 用戶初始化控件自動(dòng)補(bǔ)全功能 """ # 增加自動(dòng)補(bǔ)全 self.completer = QCompleter(item_list) # 設(shè)置匹配模式 有三種: Qt.MatchStartsWith 開頭匹配(默認(rèn)) Qt.MatchContains 內(nèi)容匹配 Qt.MatchEndsWith 結(jié)尾匹配 self.completer.setFilterMode(Qt.MatchContains) # 設(shè)置補(bǔ)全模式 有三種: QCompleter.PopupCompletion(默認(rèn)) QCompleter.InlineCompletion QCompleter.UnfilteredPopupCompletion self.completer.setCompletionMode(QCompleter.PopupCompletion) # 給lineedit設(shè)置補(bǔ)全器 lineedit.setCompleter(self.completer)
2、socket中sendall函數(shù)要將命令使用utf-8編碼,否則會(huì)導(dǎo)致界面卡住:
sockethandle.sendall(send_cmd.encode('utf-8'))
3、需要將命令返回的內(nèi)容解碼再寫入文本框,否則會(huì)導(dǎo)致界面卡住。
recdata = sockethandle.recv(65535) tran_recdata = recdata.decode('utf-8') self.result_textBrowser.setText(tran_recdata)
附錄
由于本地沒(méi)有服務(wù)器用于調(diào)試程序。所以使用socket搭建1個(gè)建議服務(wù)器。服務(wù)器功能實(shí)現(xiàn)將接收的命令原樣返回。就是接收什么命令就給客戶端返回什么內(nèi)容。服務(wù)器IP為本地IP127.0.0.1,綁定端口為6000。代碼如下:
#!/usr/bin/env python3 # -*- coding: utf-8 -*- import socket import sys s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) print("socket create success!") try: s.bind(('127.0.0.1',6000)) except socket.error as msg: print(msg) sys.exit(1) s.listen(10) while True: conn, addr = s.accept() print("success") data = conn.recv(65535) conn.sendall(data.decode('utf-8')) conn.close() s.close()
啟動(dòng)服務(wù)器:
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