devbox
笔触狂放9
这个屌丝很懒，什么也没留下！
关注作者
热门标签
热门文章
当前位置:   article > 正文

PyQT——蓝牙收发数据（上位机案例-小车控制器）_蓝牙上位机编写

作者：笔触狂放9 | 2024-05-25 16:49:24

赞

踩

蓝牙上位机编写
实现功能

由于本人水平有限，仅用了最简单的进行实现，主要功能：

  • 蓝牙设备扫描以及刷新
  • 蓝牙连接
  • 蓝牙数据发送
  • 蓝牙数据接收
页面实现效果

代码目录结构
代码案例
  • 代码已经全部添加注释，故不再做单独解释。
Main.py 
ble_control_widget.py
  1. from PyQt5.QtWidgets import *
  2. from PyQt5.QtGui import *
  3. from PyQt5.QtCore import *
  4. import sys
  5. import threading
  6. sys.path.append('..')
  7. from ui.Ui_ble_control_widget import *
  8. from drivers.driver_bluetooth import BluetoothDataTransfer
  9.  
  10.  
  11. class BleControlWidget(QWidget):
  12.     
  13.     # 信号定义
  14.     # 蓝牙列表刷新
  15.     refresh_signal = pyqtSignal()
  16.     receive_data_signal = pyqtSignal(bytes)
  17.     update_connection_signal = pyqtSignal()
  18.     
  19.     def __init__(self, parent=None):
  20.         super().__init__(parent)
  21.         self.ui = Ui_BleControlWidget()
  22.         self.ui.setupUi(self)
  23.         
  24.         # 按钮槽函数调用
  25.         self.init_ui()
  26.  
  27.         # 实例化属性便于全局调用
  28.         self.device_list = [] # 蓝牙设备列表
  29.         self.bd = None
  30.         
  31.         # 进入界面默认调用
  32.         # 刷新蓝牙列表
  33.         self.refreshBtn_subthread()
  34.         
  35.     
  36.     def init_ui(self):
  37.         '''按钮与槽函数连接'''
  38.         # 刷新按钮槽函数绑定
  39.         self.ui.refreshBtn.clicked.connect(self.refreshBtn_slot)
  40.         # 连接蓝牙槽函数绑定
  41.         self.ui.connectBtn.clicked.connect(self.connectBtn_slot)
  42.         # 蓝牙列表更新信号与槽函数连接
  43.         self.refresh_signal.connect(self.refresh_signal_slot)
  44.         # 接收到的数据展示信号与槽函数连接
  45.         self.receive_data_signal.connect(self.receive_data_signal_slot)
  46.         # 更新蓝牙的状态槽函数绑定
  47.         self.update_connection_signal.connect(self.update_connection_signal_slot)
  48.         
  49.         # 各控制按钮槽函数绑定
  50.         self.ui.buzzerOnBtn.clicked.connect(self.contorl_btn_slot)
  51.         self.ui.distanceBtn.clicked.connect(self.contorl_btn_slot)
  52.         self.ui.downBtn.clicked.connect(self.contorl_btn_slot)
  53.         self.ui.leftBtn.clicked.connect(self.contorl_btn_slot)
  54.         self.ui.lightOffBtn.clicked.connect(self.contorl_btn_slot)
  55.         self.ui.lightOnBtn.clicked.connect(self.contorl_btn_slot)
  56.         self.ui.rightBtn.clicked.connect(self.contorl_btn_slot)
  57.         self.ui.rotateBtn.clicked.connect(self.contorl_btn_slot)
  58.         self.ui.stopBtn.clicked.connect(self.contorl_btn_slot)
  59.         self.ui.trackOffBtn.clicked.connect(self.contorl_btn_slot)
  60.         self.ui.trackOnBtn.clicked.connect(self.contorl_btn_slot)
  61.         self.ui.upBtn.clicked.connect(self.contorl_btn_slot)
  62.         
  63.     def contorl_btn_slot(self):
  64.         if not self.bp:
  65.             QMessageBox.warning(self, "蓝牙未连接", "请先连接蓝牙")
  66.             return
  67.         sender = self.sender()
  68.         if sender is self.ui.buzzerOnBtn:
  69.             res,msg = self.bd.send_data(b"\x01")
  70.         elif sender is self.ui.distanceBtn:
  71.             res,msg = self.bd.send_data(b"\x02")
  72.         elif sender is self.ui.downBtn:
  73.             res,msg = self.bd.send_data(b"\x03")
  74.         elif sender is self.ui.leftBtn:
  75.             res,msg = self.bd.send_data(b"\x04")
  76.         elif sender is self.ui.lightOffBtn:
  77.             res,msg = self.bd.send_data(b"\x05")
  78.         elif sender is self.ui.lightOnBtn:
  79.             res,msg = self.bd.send_data(b"\x06")
  80.         elif sender is self.ui.rightBtn:
  81.             res,msg = self.bd.send_data(b"\x07")
  82.         elif sender is self.ui.rotateBtn:
  83.             res,msg = self.bd.send_data(b"\x08")
  84.         elif sender is self.ui.stopBtn:
  85.             res,msg = self.bd.send_data(b"\x09")
  86.         elif sender is self.ui.trackOffBtn:
  87.             res,msg = self.bd.send_data(b"\x0a")
  88.         elif sender is self.ui.trackOnBtn:
  89.             res,msg = self.bd.send_data(b"\x0b")
  90.         elif sender is self.ui.upBtn:
  91.             res,msg = self.bd.send_data(b"\x0c")
  92.         if res:
  93.             QMessageBox.information(self, '提示', msg)
  94.         else:
  95.             QMessageBox.warning(self, '警告', msg)
  96.  
  97.     def update_connection_signal_slot(self):
  98.         self.ui.connectBtn.setText("已连接")
  99.         self.ui.connectBtn.setIcon(QIcon(":/icon/disc"))
  100.         
  101.     def receive_data_signal_slot(self, data):
  102.         QMessageBox.information(self, '提示', f'接收到数据:{data}')
  103.         
  104.     def refresh_signal_slot(self):
  105.         if len(self.device_list)>0:
  106.             for addr,bluetooth in self.device_list:
  107.                 self.ui.comboBox.addItem(bluetooth)
  108.         
  109.         
  110.     def refreshBtn_slot(self):
  111.         # 如果在刷新前有数据，清空下拉列表，否则会增加多倍数据在下拉框中导致索引超出
  112.         if self.device_list:
  113.             self.ui.comboBox.clear()
  114.             self.device_list = []
  115.         '''刷新按钮槽函数定义'''
  116.         # 刷新很耗时间，需要开子线程处理，否则页面卡死
  117.         t = threading.Thread(target=self.refreshBtn_subthread,daemon=True)
  118.         t.start()
  119.         
  120.     def refreshBtn_subthread(self):
  121.         '''搜索蓝牙并展示在选择下拉列表中'''
  122.         self.device_list = BluetoothDataTransfer.scan_devices()
  123.         # 展示在下拉列表中需要用到信号，子线程中无法直接更新ui页面，会报错
  124.         print(self.device_list)
  125.         # 发送信号
  126.         self.refresh_signal.emit()
  127.         
  128.     def connectBtn_slot(self):
  129.         if self.bd:
  130.             self.bd.disconnect()
  131.             self.bd = []
  132.             self.ui.connectBtn.setText("连接蓝牙")
  133.             self.ui.connectBtn.setIcon(QIcon(":/icon/connect"))
  134.             return
  135.         '''连接蓝牙按钮槽函数定义'''
  136.         # 连接很耗时间，需要开子线程处理，否则页面卡死
  137.         t = threading.Thread(target=self.connectBtn_subthread,daemon=True)
  138.         t.start()
  139.     
  140.     def connectBtn_subthread(self):
  141.         # 获取蓝牙选项
  142.         index = self.ui.comboBox.currentIndex()
  143.         address = self.device_list[index][0]
  144.         name = self.ui.comboBox.currentText()
  145.         # 连接蓝牙
  146.         self.bd = BluetoothDataTransfer(address, name)  # 替换为目标设备的蓝牙地址和端口号
  147.         flag = self.bd.connect()
  148.         print(flag)
  149.         
  150.         if not flag:
  151.             return
  152.         # 更新蓝牙连接状态文字和图标
  153.         self.update_connection_signal.emit()
  154.         # 开始接受数据
  155.         while True:
  156.             data = self.bd.receive_data(1024)
  157.             if data:
  158.                 # 发送数据到页面弹窗显示
  159.                 print(data)
  160.                 #self.receive_data_signal.emit(data)
  161.  
  162.  
  163. if __name__ == '__main__':
  164.     app = QApplication(sys.argv)
  165.     widget = BleControlWidget()
  166.     widget.show()
  167.     sys.exit(app.exec_())
driver_bluetooth.py（来自开源工具）
  1. import bluetooth
  2.  
  3.  
  4. # 扫描所有设备
  5. class BluetoothDataTransfer:
  6.     def __init__(self, target_address, target_name, port=1):
  7.         self.target_address = target_address
  8.         self.target_name = target_name
  9.         self.port = port
  10.         self.socket = None
  11.  
  12.     def connect(self):
  13.         """
  14.         连接蓝牙设备
  15.         :return:
  16.         """
  17.         try:
  18.             self.socket = bluetooth.BluetoothSocket(bluetooth.RFCOMM)
  19.             self.socket.connect((self.target_address, self.port))
  20.             print("Connected successfully. {} ({})".format(
  21.                 self.target_name, self.target_address
  22.             ))
  23.             return True
  24.         except (bluetooth.BluetoothError, OSError) as e:
  25.             self.socket = None
  26.             print("Connection failed:", str(e))
  27.  
  28.         return False
  29.  
  30.     def disconnect(self):
  31.         """
  32.         断开蓝牙连接
  33.         :return:
  34.         """
  35.         if self.socket is not None:
  36.             self.socket.close()
  37.             print("Disconnected.")
  38.  
  39.     def send_data(self, data):
  40.         """
  41.         发送数据
  42.         :param data:
  43.         :return:
  44.         """
  45.         if self.socket is not None:
  46.             try:
  47.                 self.socket.send(data)
  48.                 print("Data sent:", data)
  49.                 return True,"sent succeed"
  50.             except bluetooth.BluetoothError as e:
  51.                 print("Failed to send data:", str(e))
  52.                 return False,str(e)
  53.         else:
  54.             print("Not connected.")
  55.         return False,"Not connected."
  56.  
  57.     def receive_data(self, buffer_size=2048):
  58.         """
  59.         接收数据
  60.         :param buffer_size:
  61.         :return:
  62.         """
  63.         if self.socket is None:
  64.             print("Not connected.")
  65.             return
  66.  
  67.         try:
  68.             data = self.socket.recv(buffer_size)
  69.             # print("Data received:", data.decode())
  70.             return data
  71.         except bluetooth.BluetoothError as e:
  72.             print("Failed to receive data:", str(e))
  73.  
  74.     @staticmethod
  75.     def scan_devices():
  76.         """
  77.         扫描所有蓝牙设备
  78.         :return:
  79.         """
  80.         devices = bluetooth.discover_devices()
  81.         print("Scanning devices...")
  82.         device_list = []
  83.         for addr in devices:
  84.             name = bluetooth.lookup_name(addr)
  85.             print("Found device:", name, "(", addr, ")")
  86.             device_list.append((addr, name))
  87.         return device_list
  88.  
  89.  
  90. if __name__ == '__main__':
  91.     # print("=========================================开始扫描")
  92.     # devices = BluetoothDataTransfer.scan_devices()
  93.     # for device in devices:
  94.     #     print(device)
  95.     # print("=========================================结束扫描")
  96.  
  97.     # 示例用法
  98.     bd = BluetoothDataTransfer("FA:34:0A:92:71:42", 'JDY-33-SPP-kkkkkkk')  # 替换为目标设备的蓝牙地址和端口号
  99.     flag = bd.connect()
  100.     print(flag)
  101.     if flag:
  102.         # bd.send_data("Hello, Bluetooth!")  # 发送数据
  103.         bd.send_data(b"\x12")  # 发送数据
  104.         recv_data = bd.receive_data()  # 接收数据
  105.         print("接收到的数据:", recv_data)
  106.         bd.disconnect()
Ui_ble_control_widget.py（由QT页面编译而成）
  1. # -*- coding: utf-8 -*-
  2.  
  3. # Form implementation generated from reading ui file 'c:\Users\Windows10\Desktop\02上课代码步骤\小车实战 copy\ui\ble_control_widget.ui'
  4. #
  5. # Created by: PyQt5 UI code generator 5.15.9
  6. #
  7. # WARNING: Any manual changes made to this file will be lost when pyuic5 is
  8. # run again.  Do not edit this file unless you know what you are doing.
  9.  
  10.  
  11. from PyQt5 import QtCore, QtGui, QtWidgets
  12.  
  13.  
  14. class Ui_BleControlWidget(object):
  15.     def setupUi(self, BleControlWidget):
  16.         BleControlWidget.setObjectName("BleControlWidget")
  17.         BleControlWidget.resize(411, 276)
  18.         self.verticalLayout_2 = QtWidgets.QVBoxLayout(BleControlWidget)
  19.         self.verticalLayout_2.setObjectName("verticalLayout_2")
  20.         self.setLayout = QtWidgets.QHBoxLayout()
  21.         self.setLayout.setObjectName("setLayout")
  22.         self.label = QtWidgets.QLabel(BleControlWidget)
  23.         font = QtGui.QFont()
  24.         font.setFamily("Agency FB")
  25.         font.setPointSize(10)
  26.         font.setBold(True)
  27.         font.setWeight(75)
  28.         self.label.setFont(font)
  29.         self.label.setObjectName("label")
  30.         self.setLayout.addWidget(self.label)
  31.         self.comboBox = QtWidgets.QComboBox(BleControlWidget)
  32.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Fixed)
  33.         sizePolicy.setHorizontalStretch(0)
  34.         sizePolicy.setVerticalStretch(0)
  35.         sizePolicy.setHeightForWidth(self.comboBox.sizePolicy().hasHeightForWidth())
  36.         self.comboBox.setSizePolicy(sizePolicy)
  37.         self.comboBox.setMinimumSize(QtCore.QSize(0, 25))
  38.         self.comboBox.setObjectName("comboBox")
  39.         self.setLayout.addWidget(self.comboBox)
  40.         self.refreshBtn = QtWidgets.QPushButton(BleControlWidget)
  41.         self.refreshBtn.setText("")
  42.         icon = QtGui.QIcon()
  43.         icon.addPixmap(QtGui.QPixmap(":/icon/refresh"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
  44.         self.refreshBtn.setIcon(icon)
  45.         self.refreshBtn.setFlat(True)
  46.         self.refreshBtn.setObjectName("refreshBtn")
  47.         self.setLayout.addWidget(self.refreshBtn)
  48.         self.connectBtn = QtWidgets.QPushButton(BleControlWidget)
  49.         icon1 = QtGui.QIcon()
  50.         icon1.addPixmap(QtGui.QPixmap(":/icon/connect"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
  51.         self.connectBtn.setIcon(icon1)
  52.         self.connectBtn.setObjectName("connectBtn")
  53.         self.setLayout.addWidget(self.connectBtn)
  54.         self.setLayout.setStretch(0, 1)
  55.         self.setLayout.setStretch(1, 4)
  56.         self.setLayout.setStretch(2, 1)
  57.         self.setLayout.setStretch(3, 2)
  58.         self.verticalLayout_2.addLayout(self.setLayout)
  59.         self.frame = QtWidgets.QFrame(BleControlWidget)
  60.         self.frame.setFrameShape(QtWidgets.QFrame.StyledPanel)
  61.         self.frame.setFrameShadow(QtWidgets.QFrame.Raised)
  62.         self.frame.setObjectName("frame")
  63.         self.verticalLayout = QtWidgets.QVBoxLayout(self.frame)
  64.         self.verticalLayout.setContentsMargins(0, 0, 0, 0)
  65.         self.verticalLayout.setSpacing(0)
  66.         self.verticalLayout.setObjectName("verticalLayout")
  67.         self.btnLayout = QtWidgets.QGridLayout()
  68.         self.btnLayout.setSpacing(10)
  69.         self.btnLayout.setObjectName("btnLayout")
  70.         self.lightOnBtn = QtWidgets.QPushButton(self.frame)
  71.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  72.         sizePolicy.setHorizontalStretch(0)
  73.         sizePolicy.setVerticalStretch(0)
  74.         sizePolicy.setHeightForWidth(self.lightOnBtn.sizePolicy().hasHeightForWidth())
  75.         self.lightOnBtn.setSizePolicy(sizePolicy)
  76.         font = QtGui.QFont()
  77.         font.setFamily("Agency FB")
  78.         font.setPointSize(22)
  79.         self.lightOnBtn.setFont(font)
  80.         self.lightOnBtn.setObjectName("lightOnBtn")
  81.         self.btnLayout.addWidget(self.lightOnBtn, 4, 0, 1, 1)
  82.         self.upBtn = QtWidgets.QPushButton(self.frame)
  83.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  84.         sizePolicy.setHorizontalStretch(0)
  85.         sizePolicy.setVerticalStretch(0)
  86.         sizePolicy.setHeightForWidth(self.upBtn.sizePolicy().hasHeightForWidth())
  87.         self.upBtn.setSizePolicy(sizePolicy)
  88.         font = QtGui.QFont()
  89.         font.setFamily("Agency FB")
  90.         font.setPointSize(22)
  91.         self.upBtn.setFont(font)
  92.         self.upBtn.setObjectName("upBtn")
  93.         self.btnLayout.addWidget(self.upBtn, 0, 1, 1, 1)
  94.         self.stopBtn = QtWidgets.QPushButton(self.frame)
  95.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  96.         sizePolicy.setHorizontalStretch(0)
  97.         sizePolicy.setVerticalStretch(0)
  98.         sizePolicy.setHeightForWidth(self.stopBtn.sizePolicy().hasHeightForWidth())
  99.         self.stopBtn.setSizePolicy(sizePolicy)
  100.         font = QtGui.QFont()
  101.         font.setFamily("Agency FB")
  102.         font.setPointSize(22)
  103.         self.stopBtn.setFont(font)
  104.         self.stopBtn.setObjectName("stopBtn")
  105.         self.btnLayout.addWidget(self.stopBtn, 2, 1, 1, 1)
  106.         self.leftBtn = QtWidgets.QPushButton(self.frame)
  107.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  108.         sizePolicy.setHorizontalStretch(0)
  109.         sizePolicy.setVerticalStretch(0)
  110.         sizePolicy.setHeightForWidth(self.leftBtn.sizePolicy().hasHeightForWidth())
  111.         self.leftBtn.setSizePolicy(sizePolicy)
  112.         font = QtGui.QFont()
  113.         font.setFamily("Agency FB")
  114.         font.setPointSize(22)
  115.         self.leftBtn.setFont(font)
  116.         self.leftBtn.setObjectName("leftBtn")
  117.         self.btnLayout.addWidget(self.leftBtn, 2, 0, 1, 1)
  118.         self.rotateBtn = QtWidgets.QPushButton(self.frame)
  119.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  120.         sizePolicy.setHorizontalStretch(0)
  121.         sizePolicy.setVerticalStretch(0)
  122.         sizePolicy.setHeightForWidth(self.rotateBtn.sizePolicy().hasHeightForWidth())
  123.         self.rotateBtn.setSizePolicy(sizePolicy)
  124.         font = QtGui.QFont()
  125.         font.setFamily("Agency FB")
  126.         font.setPointSize(22)
  127.         self.rotateBtn.setFont(font)
  128.         self.rotateBtn.setObjectName("rotateBtn")
  129.         self.btnLayout.addWidget(self.rotateBtn, 5, 1, 1, 1)
  130.         self.downBtn = QtWidgets.QPushButton(self.frame)
  131.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  132.         sizePolicy.setHorizontalStretch(0)
  133.         sizePolicy.setVerticalStretch(0)
  134.         sizePolicy.setHeightForWidth(self.downBtn.sizePolicy().hasHeightForWidth())
  135.         self.downBtn.setSizePolicy(sizePolicy)
  136.         font = QtGui.QFont()
  137.         font.setFamily("Agency FB")
  138.         font.setPointSize(22)
  139.         self.downBtn.setFont(font)
  140.         self.downBtn.setObjectName("downBtn")
  141.         self.btnLayout.addWidget(self.downBtn, 4, 1, 1, 1)
  142.         self.lightOffBtn = QtWidgets.QPushButton(self.frame)
  143.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  144.         sizePolicy.setHorizontalStretch(0)
  145.         sizePolicy.setVerticalStretch(0)
  146.         sizePolicy.setHeightForWidth(self.lightOffBtn.sizePolicy().hasHeightForWidth())
  147.         self.lightOffBtn.setSizePolicy(sizePolicy)
  148.         font = QtGui.QFont()
  149.         font.setFamily("Agency FB")
  150.         font.setPointSize(22)
  151.         self.lightOffBtn.setFont(font)
  152.         self.lightOffBtn.setObjectName("lightOffBtn")
  153.         self.btnLayout.addWidget(self.lightOffBtn, 4, 2, 1, 1)
  154.         self.trackOffBtn = QtWidgets.QPushButton(self.frame)
  155.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
  156.         sizePolicy.setHorizontalStretch(0)
  157.         sizePolicy.setVerticalStretch(0)
  158.         sizePolicy.setHeightForWidth(self.trackOffBtn.sizePolicy().hasHeightForWidth())
  159.         self.trackOffBtn.setSizePolicy(sizePolicy)
  160.         font = QtGui.QFont()
  161.         font.setFamily("Agency FB")
  162.         font.setPointSize(22)
  163.         self.trackOffBtn.setFont(font)
  164.         self.trackOffBtn.setObjectName("trackOffBtn")
  165.         self.btnLayout.addWidget(self.trackOffBtn, 5, 2, 1, 1)
  166.         self.trackOnBtn = QtWidgets.QPushButton(self.frame)
  167.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
  168.         sizePolicy.setHorizontalStretch(0)
  169.         sizePolicy.setVerticalStretch(0)
  170.         sizePolicy.setHeightForWidth(self.trackOnBtn.sizePolicy().hasHeightForWidth())
  171.         self.trackOnBtn.setSizePolicy(sizePolicy)
  172.         font = QtGui.QFont()
  173.         font.setFamily("Agency FB")
  174.         font.setPointSize(22)
  175.         self.trackOnBtn.setFont(font)
  176.         self.trackOnBtn.setObjectName("trackOnBtn")
  177.         self.btnLayout.addWidget(self.trackOnBtn, 5, 0, 1, 1)
  178.         self.rightBtn = QtWidgets.QPushButton(self.frame)
  179.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  180.         sizePolicy.setHorizontalStretch(0)
  181.         sizePolicy.setVerticalStretch(0)
  182.         sizePolicy.setHeightForWidth(self.rightBtn.sizePolicy().hasHeightForWidth())
  183.         self.rightBtn.setSizePolicy(sizePolicy)
  184.         font = QtGui.QFont()
  185.         font.setFamily("Agency FB")
  186.         font.setPointSize(22)
  187.         self.rightBtn.setFont(font)
  188.         self.rightBtn.setObjectName("rightBtn")
  189.         self.btnLayout.addWidget(self.rightBtn, 2, 2, 1, 1)
  190.         self.distanceBtn = QtWidgets.QPushButton(self.frame)
  191.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
  192.         sizePolicy.setHorizontalStretch(0)
  193.         sizePolicy.setVerticalStretch(0)
  194.         sizePolicy.setHeightForWidth(self.distanceBtn.sizePolicy().hasHeightForWidth())
  195.         self.distanceBtn.setSizePolicy(sizePolicy)
  196.         font = QtGui.QFont()
  197.         font.setFamily("Agency FB")
  198.         font.setPointSize(22)
  199.         self.distanceBtn.setFont(font)
  200.         self.distanceBtn.setObjectName("distanceBtn")
  201.         self.btnLayout.addWidget(self.distanceBtn, 0, 2, 1, 1)
  202.         self.buzzerOnBtn = QtWidgets.QPushButton(self.frame)
  203.         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
  204.         sizePolicy.setHorizontalStretch(0)
  205.         sizePolicy.setVerticalStretch(0)
  206.         sizePolicy.setHeightForWidth(self.buzzerOnBtn.sizePolicy().hasHeightForWidth())
  207.         self.buzzerOnBtn.setSizePolicy(sizePolicy)
  208.         font = QtGui.QFont()
  209.         font.setFamily("Agency FB")
  210.         font.setPointSize(22)
  211.         self.buzzerOnBtn.setFont(font)
  212.         self.buzzerOnBtn.setObjectName("buzzerOnBtn")
  213.         self.btnLayout.addWidget(self.buzzerOnBtn, 0, 0, 1, 1)
  214.         self.verticalLayout.addLayout(self.btnLayout)
  215.         self.verticalLayout_2.addWidget(self.frame)
  216.         self.verticalLayout_2.setStretch(0, 1)
  217.         self.verticalLayout_2.setStretch(1, 3)
  218.  
  219.         self.retranslateUi(BleControlWidget)
  220.         QtCore.QMetaObject.connectSlotsByName(BleControlWidget)
  221.  
  222.     def retranslateUi(self, BleControlWidget):
  223.         _translate = QtCore.QCoreApplication.translate
  224.         BleControlWidget.setWindowTitle(_translate("BleControlWidget", "小车蓝牙控制器"))
  225.         self.label.setText(_translate("BleControlWidget", "蓝牙选择："))
  226.         self.connectBtn.setText(_translate("BleControlWidget", "连接蓝牙"))
  227.         self.lightOnBtn.setText(_translate("BleControlWidget", "开灯"))
  228.         self.upBtn.setText(_translate("BleControlWidget", "上"))
  229.         self.stopBtn.setText(_translate("BleControlWidget", "停止"))
  230.         self.leftBtn.setText(_translate("BleControlWidget", "左"))
  231.         self.rotateBtn.setText(_translate("BleControlWidget", "旋转"))
  232.         self.downBtn.setText(_translate("BleControlWidget", "下"))
  233.         self.lightOffBtn.setText(_translate("BleControlWidget", "关灯"))
  234.         self.trackOffBtn.setText(_translate("BleControlWidget", "关寻迹"))
  235.         self.trackOnBtn.setText(_translate("BleControlWidget", "开寻迹"))
  236.         self.rightBtn.setText(_translate("BleControlWidget", "右"))
  237.         self.distanceBtn.setText(_translate("BleControlWidget", "测距"))
  238.         self.buzzerOnBtn.setText(_translate("BleControlWidget", "开喇叭"))
  239. from ui import resource_rc
声明：本文内容由网友自发贡献，转载请注明出处：【wpsshop】
推荐阅读
相关标签

Copyright © 2003-2013 www.wpsshop.cn 版权所有，并保留所有权利。

  

闽ICP备14008679号