[Python知识库]Python公交卡管理系统

需要全部源码滴滴我
一：运行效果图(Login，Register，Topup，Drop user，Usermessage)

二：登陆界面源码
下面展示一些 内联代码片。

// A code block
var foo = 'bar';

import sys
import sqlite3
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import qdarkstyle
import  registerUI
import  manageUI
from PyQt5.QtSql import *

class SignInWidget(QWidget):
    def __init__(self):
        super(SignInWidget, self).__init__()
        self.resize(900, 600)
        self.setWindowTitle("公交卡管理系统--登录界面")
        self.setUpUI()

    def setUpUI(self):
        self.setWindowIcon(QIcon("D:/xiaohuangren"))
        self.Vlayout = QVBoxLayout(self)
        self.Hlayout1 = QHBoxLayout()
        self.Hlayout2 = QHBoxLayout()
        self.formlayout = QFormLayout()

        self.label1 = QLabel("卡ID: ")
        labelFont = QFont()
        labelFont.setPixelSize(18)
        lineEditFont = QFont()
        lineEditFont.setPixelSize(16)
        self.label1.setFont(labelFont)
        self.label1.setStyleSheet("color:black")
        self.label1.setStyleSheet("background-color:gold")

        self.lineEdit1 = QLineEdit()

        self.lineEdit1.setFixedHeight(32)
        self.lineEdit1.setFixedWidth(180)
        self.lineEdit1.setFont(lineEditFont)
        #self.lineEdit1.setMaxLength(10)

        self.formlayout.addRow(self.label1, self.lineEdit1)

        self.label2 = QLabel("密码: ")
        self.label2.setFont(labelFont)
        self.lineEdit2 = QLineEdit()
        self.label2.setStyleSheet("color:black")
        self.label2.setStyleSheet("background-color:gold")
        self.lineEdit2.setFixedHeight(32)
        self.lineEdit2.setFixedWidth(180)
        self.lineEdit2.setMaxLength(16)

        passwordFont = QFont()
        passwordFont.setPixelSize(9)
        self.lineEdit2.setFont(passwordFont)

        self.lineEdit2.setEchoMode(QLineEdit.Password)
        self.formlayout.addRow(self.label2, self.lineEdit2)

        self.signIn = QPushButton("登 录")
        self.signIn.clicked.connect(self.signInCheck)
        self.signIn.setFixedWidth(80)
        self.signIn.setFixedHeight(30)
        self.signIn.setFont(labelFont)
        self.formlayout.addRow("", self.signIn)

        self.register=QPushButton('注册')
        self.register.setFixedWidth(80)
        self.register.setFixedHeight(30)
        self.register.setFont(labelFont)
        self.formlayout.addRow('',self.register)

        self.label = QLabel("  欢迎登录公交卡管理系统！")
        fontlabel = QFont()
        fontlabel.setPixelSize(35)
        self.label.setFixedWidth(500)
        self.label.setFixedHeight(120)
        self.label.setFont(fontlabel)
        self.Hlayout1.addWidget(self.label, Qt.AlignCenter)
        self.widget1 = QWidget()
        self.widget1.setLayout(self.Hlayout1)
        self.widget2 = QWidget()
        self.widget2.setFixedWidth(300)
        self.widget2.setFixedHeight(150)
        self.widget2.setLayout(self.formlayout)
        self.Hlayout2.addWidget(self.widget2, Qt.AlignCenter)
        self.widget = QWidget()
        self.widget.setLayout(self.Hlayout2)
        self.Vlayout.addWidget(self.widget1)
        self.Vlayout.addWidget(self.widget, Qt.AlignTop)
        #给Button绑定信号
        self.register.clicked.connect(self.turnregister)
    def turnregister(self):
        self.registerui=registerUI.registerui()
        self.registerui.show()

    def signInCheck(self):
        inputcardid = self.lineEdit1.text()
        inputpassword = self.lineEdit2.text()
        if (inputcardid == "" or inputpassword == ""):
            print(QMessageBox.warning(self, "警告", "学号和密码不可为空!", QMessageBox.Yes, QMessageBox.Yes))
            return
        # 打开数据库连接
        db = QSqlDatabase.addDatabase("QSQLITE")
        db.setDatabaseName('test.db')
        db.open()
        query1 = QSqlQuery()
        sql1 = "SELECT * FROM Usermessage WHERE CardID='%s'" % (inputcardid)
        query1.exec_(sql1)
        db.close()
        if (not query1.next()):
            print(QMessageBox.information(self, "提示", "该账号不存在!", QMessageBox.Yes, QMessageBox.Yes))
        else:
            if "20210001" == inputcardid:
                if inputpassword == "123456":
                    print(1)
                    self.manageui = manageUI.AdminHome()
                    self.close()
                    self.manageui.show()
                else:
                    print(QMessageBox.warning(self, "提示", "密码错误!", QMessageBox.Yes, QMessageBox.Yes))
            else:
                db = QSqlDatabase.addDatabase("QSQLITE")
                db.setDatabaseName('test.db')
                db.open()
                query2 = QSqlQuery()
                sql2 = "SELECT * FROM Usermessage WHERE Password='%s'" % (inputpassword)
                query2.exec_(sql2)
                db.close()
                if (not query2.next()):
                    print(QMessageBox.information(self, "提示", "密码错误!", QMessageBox.Yes, QMessageBox.Yes))
                else:
                    print(QMessageBox.information(self, "提示", "您不是管理员用户,无法登录该系统!", QMessageBox.Yes, QMessageBox.Yes))
            return
    #设置背景图片
    def paintEvent(self, event):
        painter = QPainter(self)
        pixmap = QPixmap("D:/公交背景图片/公交车4.jpg")
        # 绘制窗口背景，平铺到整个窗口，随着窗口改变而改变
        painter.drawPixmap(self.rect(), pixmap)
if __name__ == "__main__":
    app = QApplication(sys.argv)
    app.setWindowIcon(QIcon("./images/MainWindow_1.png"))
   # app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
    mainMindow = SignInWidget()
    mainMindow.show()
    sys.exit(app.exec_())