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dropBookDialog.py
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# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'dropBookDialog.ui'
#
# Created by: PyQt5 UI code generator 5.12.1
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import qdarkstyle
import time
import db
class dropBookDialog(QDialog):
drop_book_successful_signal = pyqtSignal()
def __init__(self, parent=None):
super(dropBookDialog, self).__init__(parent)
self.setupUi()
def setupUi(self, ):
# self.setObjectName("dropBookDialog")
self.resize(329, 419)
self.setWindowModality(Qt.WindowModal)
self.setWindowTitle("删除书籍")
self.formLayout = QtWidgets.QFormLayout(self)
self.formLayout.setObjectName("formLayout")
self.titlelabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(20)
self.titlelabel.setFont(font)
self.titlelabel.setLayoutDirection(QtCore.Qt.LeftToRight)
self.titlelabel.setLineWidth(1)
self.titlelabel.setAlignment(QtCore.Qt.AlignCenter)
self.titlelabel.setObjectName("titlelabel")
self.formLayout.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.titlelabel)
self.bookNameLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.bookNameLabel.setFont(font)
self.bookNameLabel.setObjectName("bookNameLabel")
self.formLayout.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.bookNameLabel)
self.bookNameEdit = QtWidgets.QLineEdit(self)
self.bookNameEdit.setEnabled(False)
font = QtGui.QFont()
font.setPointSize(14)
self.bookNameEdit.setFont(font)
self.bookNameEdit.setStyleSheet("#363636")
self.bookNameEdit.setMaxLength(10)
self.bookNameEdit.setObjectName("bookNameEdit")
self.formLayout.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.bookNameEdit)
self.bookIdLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.bookIdLabel.setFont(font)
self.bookIdLabel.setObjectName("bookIdLabel")
self.formLayout.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.bookIdLabel)
self.bookIdEdit = QtWidgets.QLineEdit(self)
font = QtGui.QFont()
font.setPointSize(14)
self.bookIdEdit.setFont(font)
self.bookIdEdit.setMaxLength(6)
self.bookIdEdit.setObjectName("bookIdEdit")
self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.bookIdEdit)
self.authNameLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.authNameLabel.setFont(font)
self.authNameLabel.setObjectName("authNameLabel")
self.formLayout.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.authNameLabel)
self.authNameEdit = QtWidgets.QLineEdit(self)
self.authNameEdit.setEnabled(False)
font = QtGui.QFont()
font.setPointSize(14)
self.authNameEdit.setFont(font)
self.authNameEdit.setStyleSheet("#363636")
self.authNameEdit.setMaxLength(10)
self.authNameEdit.setObjectName("authNameEdit")
self.formLayout.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.authNameEdit)
self.categoryLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.categoryLabel.setFont(font)
self.categoryLabel.setObjectName("self")
self.formLayout.setWidget(4, QtWidgets.QFormLayout.LabelRole, self.categoryLabel)
self.categoryComboBox = QtWidgets.QComboBox(self)
self.categoryComboBox.setEnabled(False)
font = QtGui.QFont()
font.setPointSize(14)
self.categoryComboBox.setFont(font)
self.categoryComboBox.setStyleSheet("#363636")
self.categoryComboBox.setObjectName("categoryComboBox")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.categoryComboBox.addItem("")
self.formLayout.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.categoryComboBox)
self.publisherLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.publisherLabel.setFont(font)
self.publisherLabel.setObjectName("publisherLabel")
self.formLayout.setWidget(5, QtWidgets.QFormLayout.LabelRole, self.publisherLabel)
self.publisherEdit = QtWidgets.QLineEdit(self)
self.publisherEdit.setEnabled(False)
font = QtGui.QFont()
font.setPointSize(14)
self.publisherEdit.setFont(font)
self.publisherEdit.setStyleSheet("#363636")
self.publisherEdit.setMaxLength(10)
self.publisherEdit.setObjectName("publisherEdit")
self.formLayout.setWidget(5, QtWidgets.QFormLayout.FieldRole, self.publisherEdit)
self.publishDateLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.publishDateLabel.setFont(font)
self.publishDateLabel.setObjectName("publishDateLabel")
self.formLayout.setWidget(6, QtWidgets.QFormLayout.LabelRole, self.publishDateLabel)
self.publishTime = QtWidgets.QDateEdit(self)
self.publishTime.setEnabled(False)
font = QtGui.QFont()
font.setPointSize(14)
self.publishTime.setFont(font)
self.publishTime.setStyleSheet("#363636")
self.publishTime.setObjectName("publishTime")
self.formLayout.setWidget(6, QtWidgets.QFormLayout.FieldRole, self.publishTime)
self.dropNumLabel = QtWidgets.QLabel(self)
font = QtGui.QFont()
font.setPointSize(14)
self.dropNumLabel.setFont(font)
self.dropNumLabel.setObjectName("dropNumLabel")
self.formLayout.setWidget(7, QtWidgets.QFormLayout.LabelRole, self.dropNumLabel)
self.dropNumEdit = QtWidgets.QLineEdit(self)
font = QtGui.QFont()
font.setPointSize(14)
self.dropNumEdit.setFont(font)
self.dropNumEdit.setMaxLength(12)
self.dropNumEdit.setObjectName("dropNumEdit")
self.formLayout.setWidget(7, QtWidgets.QFormLayout.FieldRole, self.dropNumEdit)
self.dropBookButton = QtWidgets.QPushButton(self)
self.dropBookButton.setMaximumSize(QtCore.QSize(140, 32))
font = QtGui.QFont()
font.setPointSize(16)
self.dropBookButton.setFont(font)
self.dropBookButton.setObjectName("dropBookButton")
self.formLayout.setWidget(8, QtWidgets.QFormLayout.FieldRole, self.dropBookButton)
self.retranslateUi()
QtCore.QMetaObject.connectSlotsByName(self)
self.dropBookButton.clicked.connect(self.dropBookButtonClicked)
self.bookIdEdit.textChanged.connect(self.bookIdEditChanged)
def retranslateUi(self, ):
_translate = QtCore.QCoreApplication.translate
self.setWindowTitle(_translate("", "删除书籍"))
self.titlelabel.setText(_translate("", "淘汰书籍"))
self.bookNameLabel.setText(_translate("", "书 名:"))
self.bookIdLabel.setText(_translate("", "书 号:"))
self.authNameLabel.setText(_translate("", "作 者:"))
self.categoryLabel.setText(_translate("", "分 类:"))
self.categoryComboBox.setItemText(0, _translate("", "哲学"))
self.categoryComboBox.setItemText(1, _translate("", "社会科学"))
self.categoryComboBox.setItemText(2, _translate("", "政治"))
self.categoryComboBox.setItemText(3, _translate("", "法律"))
self.categoryComboBox.setItemText(4, _translate("", "军事"))
self.categoryComboBox.setItemText(5, _translate("", "经济"))
self.categoryComboBox.setItemText(6, _translate("", "文化"))
self.categoryComboBox.setItemText(7, _translate("", "教育"))
self.categoryComboBox.setItemText(8, _translate("", "体育"))
self.categoryComboBox.setItemText(9, _translate("", "语言文字"))
self.categoryComboBox.setItemText(10, _translate("", "艺术"))
self.categoryComboBox.setItemText(11, _translate("", "历史"))
self.categoryComboBox.setItemText(12, _translate("", "地理"))
self.categoryComboBox.setItemText(13, _translate("", "天文学"))
self.categoryComboBox.setItemText(14, _translate("", "生物学"))
self.categoryComboBox.setItemText(15, _translate("", "医学卫生"))
self.categoryComboBox.setItemText(16, _translate("", "农业"))
self.publisherLabel.setText(_translate("", "出 版 社:"))
self.publishDateLabel.setText(_translate("", "出版日期:"))
self.dropNumLabel.setText(_translate("", "数 量:"))
self.dropBookButton.setText(_translate("", "淘 汰"))
def bookIdEditChanged(self):
bookId = self.bookIdEdit.text()
if (bookId == "" or len(bookId) < 6):
self.bookNameEdit.clear()
self.publisherEdit.clear()
self.authNameEdit.clear()
self.dropNumEdit.clear()
self.publishTime.clear()
sql = "SELECT * FROM Book WHERE BookId='%s'" % (bookId)
query = db.query(sql)
# 查询对应书号，如果存在就更新form
if (query != ()):
query = query[0]
self.bookNameEdit.setText(query[0])
self.authNameEdit.setText(query[2])
self.categoryComboBox.setCurrentText(query[3])
self.publisherEdit.setText(query[4])
self.publishTime.setDate(query[5])
return
def dropBookButtonClicked(self):
bookId = self.bookIdEdit.text()
dropNum = 0
if (self.dropNumEdit.text() == ""):
print(QMessageBox.warning(self, "警告", "淘汰数目为空，请检查输入，操作失败！"), QMessageBox.Yes, QMessageBox.Yes)
return
dropNum = int(self.dropNumEdit.text())
sql = "SELECT * FROM Book WHERE BookId='%s'" % (bookId)
query = db.query(sql)
if (query != ()):
if (dropNum > query[0][7] or dropNum < 0):
print(QMessageBox.warning(self, "警告", "最多可淘汰%d本，请检查输入！" % (query[0][7]), QMessageBox.Yes,
QMessageBox.Yes))
return
if (query == ()):
print(QMessageBox.warning(self, "警告", "该书本不存在，请核对再进行操作！"), QMessageBox.Yes, QMessageBox.Yes)
return
# 更新Book表和BuyorDrop表
# 如果drop书目和当前库存相同，则直接删除Book记录（这里先默认当前所有书都在库存中）
if (dropNum == query[0][6]):
sql = "DELETE FROM Book WHERE BookId='%s'" % (bookId)
else:
sql = "UPDATE BOOK SET NumStorage=NumStorage-%d,NumCanBorrow=NumCanBorrow-%d WHERE BookId='%s'" % (
dropNum, dropNum, bookId)
db.exec_(sql)
timenow = time.strftime('%Y-%m-%d', time.localtime(time.time()))
sql = "INSERT INTO buyordrop VALUES ('%s','%s',0,%d)" % (bookId, timenow, dropNum)
db.exec_(sql)
print(QMessageBox.information(self, "提示", "淘汰书籍成功!", QMessageBox.Yes, QMessageBox.Yes))
self.drop_book_successful_signal.emit()
self.close()
return
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setWindowIcon(QIcon("./images/MainWindow_1.ico"))
# app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
mainMindow = dropBookDialog()
mainMindow.show()
sys.exit(app.exec_())