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SignUp.py
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import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import qdarkstyle
from PyQt5.QtSql import *
import hashlib
class SignUpWidget(QWidget):
student_signup_signal = pyqtSignal(str)
def __init__(self):
super().__init__()
self.setUpUI()
def setUpUI(self):
self.resize(900, 600)
self.setWindowTitle("欢迎登陆图书馆管理系统")
self.signUpLabel = QLabel("注 册")
self.signUpLabel.setAlignment(Qt.AlignCenter)
# self.signUpLabel.setFixedWidth(300)
self.signUpLabel.setFixedHeight(100)
font = QFont()
font.setPixelSize(36)
lineEditFont = QFont()
lineEditFont.setPixelSize(16)
self.signUpLabel.setFont(font)
self.layout = QVBoxLayout()
self.layout.addWidget(self.signUpLabel, Qt.AlignHCenter)
self.setLayout(self.layout)
# 表单，包括学号，姓名，密码，确认密码
self.formlayout = QFormLayout()
font.setPixelSize(18)
# Row1
self.studentIdLabel = QLabel("学 号: ")
self.studentIdLabel.setFont(font)
self.studentIdLineEdit = QLineEdit()
self.studentIdLineEdit.setFixedWidth(180)
self.studentIdLineEdit.setFixedHeight(32)
self.studentIdLineEdit.setFont(lineEditFont)
self.studentIdLineEdit.setMaxLength(10)
self.formlayout.addRow(self.studentIdLabel, self.studentIdLineEdit)
# Row2
self.studentNameLabel = QLabel("姓 名: ")
self.studentNameLabel.setFont(font)
self.studentNameLineEdit = QLineEdit()
self.studentNameLineEdit.setFixedHeight(32)
self.studentNameLineEdit.setFixedWidth(180)
self.studentNameLineEdit.setFont(lineEditFont)
self.studentNameLineEdit.setMaxLength(10)
self.formlayout.addRow(self.studentNameLabel, self.studentNameLineEdit)
lineEditFont.setPixelSize(10)
# Row3
self.passwordLabel = QLabel("密 码: ")
self.passwordLabel.setFont(font)
self.passwordLineEdit = QLineEdit()
self.passwordLineEdit.setFixedWidth(180)
self.passwordLineEdit.setFixedHeight(32)
self.passwordLineEdit.setFont(lineEditFont)
self.passwordLineEdit.setEchoMode(QLineEdit.Password)
self.passwordLineEdit.setMaxLength(16)
self.formlayout.addRow(self.passwordLabel, self.passwordLineEdit)
# Row4
self.passwordConfirmLabel = QLabel("确认密码: ")
self.passwordConfirmLabel.setFont(font)
self.passwordConfirmLineEdit = QLineEdit()
self.passwordConfirmLineEdit.setFixedWidth(180)
self.passwordConfirmLineEdit.setFixedHeight(32)
self.passwordConfirmLineEdit.setFont(lineEditFont)
self.passwordConfirmLineEdit.setEchoMode(QLineEdit.Password)
self.passwordConfirmLineEdit.setMaxLength(16)
self.formlayout.addRow(self.passwordConfirmLabel, self.passwordConfirmLineEdit)
# Row5
self.signUpbutton = QPushButton("注 册")
self.signUpbutton.setFixedWidth(120)
self.signUpbutton.setFixedHeight(30)
self.signUpbutton.setFont(font)
self.formlayout.addRow("", self.signUpbutton)
widget = QWidget()
widget.setLayout(self.formlayout)
widget.setFixedHeight(250)
widget.setFixedWidth(300)
self.Hlayout = QHBoxLayout()
self.Hlayout.addWidget(widget, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(self.Hlayout)
self.layout.addWidget(widget, Qt.AlignHCenter)
# 设置验证
reg = QRegExp("PB[0~9]{8}")
pValidator = QRegExpValidator(self)
pValidator.setRegExp(reg)
self.studentIdLineEdit.setValidator(pValidator)
reg = QRegExp("[a-zA-z0-9]+$")
pValidator.setRegExp(reg)
self.passwordLineEdit.setValidator(pValidator)
self.passwordConfirmLineEdit.setValidator(pValidator)
self.signUpbutton.clicked.connect(self.SignUp)
self.studentIdLineEdit.returnPressed.connect(self.SignUp)
self.studentNameLineEdit.returnPressed.connect(self.SignUp)
self.passwordLineEdit.returnPressed.connect(self.SignUp)
self.passwordConfirmLineEdit.returnPressed.connect(self.SignUp)
def SignUp(self):
studentId = self.studentIdLineEdit.text()
studentName = self.studentNameLineEdit.text()
password = self.passwordLineEdit.text()
confirmPassword = self.passwordConfirmLineEdit.text()
if (studentId == "" or studentName == "" or password == "" or confirmPassword == ""):
print(QMessageBox.warning(self, "警告", "表单不可为空，请重新输入", QMessageBox.Yes, QMessageBox.Yes))
return
else: # 需要处理逻辑，1.账号已存在;2.密码不匹配;3.插入user表
db = QSqlDatabase.addDatabase("QSQLITE")
db.setDatabaseName('./db/LibraryManagement.db')
db.open()
query = QSqlQuery()
if (confirmPassword != password):
print(QMessageBox.warning(self, "警告", "两次输入密码不一致，请重新输入", QMessageBox.Yes, QMessageBox.Yes))
return
elif (confirmPassword == password):
# md5编码
hl = hashlib.md5()
hl.update(password.encode(encoding='utf-8'))
md5password = hl.hexdigest()
sql = "SELECT * FROM user WHERE StudentId='%s'" % (studentId)
query.exec_(sql)
if (query.next()):
print(QMessageBox.warning(self, "警告", "该账号已存在,请重新输入", QMessageBox.Yes, QMessageBox.Yes))
return
else:
sql = "INSERT INTO user VALUES ('%s','%s','%s',0,0,0)" % (
studentId, studentName, md5password)
db.exec_(sql)
db.commit()
print(QMessageBox.information(self, "提醒", "您已成功注册账号!", QMessageBox.Yes, QMessageBox.Yes))
self.student_signup_signal.emit(studentId)
db.close()
return
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setWindowIcon(QIcon("./images/MainWindow_1.png"))
app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
mainMindow = SignUpWidget()
mainMindow.show()
sys.exit(app.exec_())