class Previewer(QWidget):
instance = 0
def __init__(self, parent=None, index = -1):
super(Previewer, self).__init__(parent)
self.parent = parent
self.index = index
self.handle = QWebEngineView()
self.handle.setGeometry(100, 100, 350, 400)
self.handle.setWindowTitle("Helper")
self.handle.setWindowIcon(QIcon('icon.png'))
if self.index == 0:
link = "help\\read_time.html"
elif self.index == 1:
link = "help\\set_time.html"
elif self.index == 2:
link = "help\\read_date.html"
elif self.index == 3:
link = "help\\set_date.html"
elif self.index == 4:
link = "help\\set_cursor.html"
elif self.index == 5:
link = "help\\char_input.html"
elif self.index == 6:
link = "help\\char_output.html"
elif self.index == 7:
link = "help\\disc_space.html"
else:
link = "help\\index.html"
page = open(link, 'r').read()
self.page = QWebEnginePage()
self.page.setHtml(page)
self.handle.setPage(self.page)
self.handle.show()
def zamknij(self):
Previewer.instance -= 1
self.handle.destroy()
class Main(QWidget, Ui_Form):
def __init__(self, parent=None):
super(Main, self).__init__(parent)
self.setupUi(self)
self.setWindowTitle("小助手")
print("初始化")
self.dataS = ""
self.dataR = ""
self.ishtml = 0
self.record = ""
#设置文本框的只读模式
self.text_showFile.setReadOnly(True)
self.btn_send.setEnabled(False)
self.thread = Worker() # 线程实例化
self.ser = serial.Serial() #串口实例化
self.setSlot()
self.setqss()
def setqss(self):
from qss import QSSRead
# QSSRead.setStyle("QSS.qss", self)
def setSlot(self):
print("信号槽的初始化")
self.btn_searchPort.clicked.connect(self.searchPort) #查找串口号
self.btn_start.clicked.connect(self.start) #启动线程
self.btn_end.clicked.connect(self.end) #关闭线程
self.btn_claerT1.clicked.connect(self.clearT1) #清除日志
self.btn_clearS.clicked.connect(self.clearS) #清除发送区数据
self.btn_openFile.clicked.connect(self.openFile) #打开文件
self.btn_sendFile.clicked.connect(self.sendFile) #发送文件的内容
self.btn_send.clicked.connect(self.send) #发送内容
self.thread.sinOut1.connect(self.showRecord) #显示串口信息到接收区
self.thread.sinOut2.connect(self.showHTML) #加载HTML
self.radio_show.toggled.connect(
lambda: self.setHTML(self.radio_show)) #暂时保留，功能没弄
# self.text_showR.setPlainText("123")设定值
# self.text_showS.setPlainText("456")
#测试成功
#查找串口号
def searchPort(self):
ch = list(serial.tools.list_ports.comports())
print(ch)
if len(ch) == 0:
QMessageBox.about(self, "错误", "无法识别串口")
else:
self.com_showPort.clear()
for ch1 in ch:
sh = str(ch1)
lens = sh.find('-')
self.com_showPort.addItem(sh[0:lens - 1])
# 启动线程、
def start(self):
print("线程正常启动")
try:
self.thread.working = True
self.thread.start()
self.btn_searchPort.setEnabled(False)
self.btn_openFile.setEnabled(False)
self.btn_start.setEnabled(False)
self.btn_send.setEnabled(True)
except:
QMessageBox.about(self, "错误", "启动失败")
#关闭线程
def end(self):
print() #换行
print("成功关闭线程")
try:
self.thread.working = False
self.btn_searchPort.setEnabled(True)
self.btn_openFile.setEnabled(True)
self.btn_start.setEnabled(True)
self.btn_send.setEnabled(False)
except:
QMessageBox.about(self, "错误", "关闭线程出错")
#清除接收区数据
def clearT1(self):
self.text_showRecord.clear()
self.record = ""
# 清除发送区数据
# 清除发送区数据
def clearS(self):
print("成功清除发送区数据")
self.text_showS.clear()
#打开文件
def openFile(self):
print("成功打开文件")
dlg = QFileDialog()
dlg.setFileMode(QFileDialog.AnyFile)
dlg.setFilter(QDir.Files)
if dlg.exec_():
self.fileNames = dlg.selectedFiles()
self.text_showFile.setPlainText(self.fileNames[0])
try:
print(2)
f = open(self.fileNames[0], 'r', encoding='UTF-8')
print(3)
self.dataS = f.read()
print(self.dataS)
print(1)
f.close()
# self.text_showS.setPlainText(self.dataS)
except:
QMessageBox.about(self, "错误", "出现异常")
print("出现异常")
f.close()
# with open(r"E:\pycharm\untitled\201902\24\RevisePort\12.jpg","wb") as f:
# f.write(self.dataS)
# fname, _=QFileDialog.getOpenFileName(self,"","C:\\","Image files(*.jpg *.gif)")
# print("fname:",fname)
#发送文件
def sendFile(self):
# self.dataS=self.text_showS.toPlainText()
# print("长度：",len(self.dataS))
# self.dataS=b"</html>"
if len(self.dataS) > 0:
# print(type(self.dataS))
# print(self.dataS)
self.record += "正在发送中\n"
self.text_showRecord.setPlainText(self.record)
print("正在发送中")
# self.size=self.ser.write(self.dataS)
str = self.dataS.encode('UTF-8') #发送文本文件
print("文本长度", len(self.dataS))
print("发送长度", len(str))
self.size = self.ser.write(str)
self.record += "发送完成，发送的大小{}:\n".format(len(str))
self.text_showRecord.setPlainText(self.record)
print("Size:", self.size)
else:
QMessageBox.about(self, "错误", "发送内容为空")
# 接收区显示串口信息
def send(self):
self.dataS = self.text_showS.toPlainText()
if len(self.dataS) > 0:
# print(type(self.dataS))
# print(self.dataS)
print("正在发送中")
# self.size=self.ser.write(self.dataS)
strs = self.dataS.encode('UTF-8')
print("文本长度", len(self.dataS))
print("发送长度", len(strs))
self.size = self.ser.write(strs)
print("Size:", self.size)
def showRecord(self, sh):
# self.text_showR.clear()
self.record += sh
# if sh.
self.text_showRecord.setPlainText(self.record)
def setHTML(self, btn):
if btn.isChecked() == True:
print("ON")
else:
print("OFF")
def showHTML(self):
try:
if self.ishtml == 0:
self.brower = QWebEngineView()
self.vbox = QVBoxLayout(self.tab_2)
self.vbox.addWidget(self.brower)
self.ishtml = 1
else:
self.brower.destroy()
self.record += "正在加载HTML文件，请等候......\n"
self.text_showRecord.setPlainText(self.record)
# self.brower.setHtml(html)
file = r"D:/HTML/test.html"
self.brower.load(QUrl(file))
self.record += "加载HTML文件完成\n"
self.text_showRecord.setPlainText(self.record)
except Exception as e:
print('Error:', e)
self.record += "加载失败\n"
self.text_showRecord.setPlainText(self.record)
