python + pyqt5 QlineEdit QMessageBox实现信息录入和消息弹框提醒
2024-10-13 11:10:07
本人现在在做自动化工具开发的工作，因此，记录下自己平时遇到的问题和解决之道，还有一些简单的小工具
以下为主代码
# --*-- coding:utf-8 --*-- from first import Ui_MainWindow
from PyQt5.QtWidgets import QApplication, QMainWindow,QMessageBox
import os
import sys
reload(sys)
sys.setdefaultencoding('utf-8') gcardnum = eval(sys.argv[1]) class Mainwindow(QMainWindow, Ui_MainWindow):
global card_num
def __init__(self):
super(Mainwindow, self).__init__()
self.setupUi(self)
self.click_num = 1
self.sn_list = []
self.card_num = gcardnum
self.label_2.setText(u"数量为:%s" % self.card_num)
self.label.setText(u"第%s块" % self.click_num)
self.button_OK.clicked.connect(self.begin_get)
self.button_cancel.clicked.connect(self.cancel) def scan_sn(self, sn):
if sn!="":
with open("sn.txt", "a+") as fw:
if len(sn) == 17:
if sn not in self.sn_list:
if self.click_num == int(self.card_num):
QMessageBox.information(self, '提示信息', '保存成功')
self.close()
self.sn_list.append(sn)
fw.write("%s\n" % sn)
self.lineEdit_sn.clear()
self.click_num += 1
self.label.setText(u"第%s块" % self.click_num)
else:
QMessageBox.information(self, '提示信息', '重复')
self.lineEdit_sn.clear()
else:
QMessageBox.information(self, '提示信息', '输入有误')
self.lineEdit_sn.clear()
else:
QMessageBox.information(self, '提示信息', '不能为空') def keyPressEvent(self, event):
sn = self.lineEdit_sn.text()
if str(event.key()) == "":
self.scan_sn(sn) def begin_get(self):
sn = self.lineEdit_sn.text()
self.scan_sn(sn) def cancel(self):
self.lineEdit_sn.clear() if __name__ == '__main__':
if os.path.exists("sn.txt"):
os.remove("sn.txt")
app = QApplication(sys.argv)
mainWindow = Mainwindow()
mainWindow.show()
sys.exit(app.exec_())
以下为pyqt界面设计
# -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'first.ui'
#
# Created: Wed Jul 18 14:57:14 2018
# by: PyQt5 UI code generator 5.3.2
#
# WARNING! All changes made in this file will be lost! from PyQt5 import QtCore, QtGui, QtWidgets class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(802, 692)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(310, 150, 211, 51))
font = QtGui.QFont()
font.setFamily("Agency FB")
font.setPointSize(14)
font.setBold(True)
font.setWeight(75)
self.label_2.setFont(font)
self.label_2.setText("")
self.label_2.setObjectName("label_2")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(180, 250, 101, 51))
font = QtGui.QFont()
font.setPointSize(11)
self.label.setFont(font)
self.label.setObjectName("label")
self.lineEdit_sn = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_sn.setGeometry(QtCore.QRect(290, 260, 301, 41))
font = QtGui.QFont()
font.setPointSize(12)
self.lineEdit_sn.setFont(font)
self.lineEdit_sn.setObjectName("lineEdit_sn")
self.button_OK = QtWidgets.QPushButton(self.centralwidget)
self.button_OK.setGeometry(QtCore.QRect(280, 370, 112, 34))
self.button_OK.setObjectName("button_OK")
self.button_cancel = QtWidgets.QPushButton(self.centralwidget)
self.button_cancel.setGeometry(QtCore.QRect(470, 370, 112, 34))
self.button_cancel.setObjectName("button_cancel")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setGeometry(QtCore.QRect(290, 50, 301, 51))
font = QtGui.QFont()
font.setPointSize(18)
font.setBold(True)
font.setWeight(75)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 802, 30))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar) self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
self.label.setText(_translate("MainWindow", "输入"))
self.button_OK.setText(_translate("MainWindow", "OK"))
self.button_cancel.setText(_translate("MainWindow", "Cancel"))
self.label_3.setText(_translate("MainWindow", "扫描输入"))
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