diff --git a/main.py b/main.py new file mode 100644 index 0000000..f649b35 --- /dev/null +++ b/main.py @@ -0,0 +1,1677 @@ +""" + +代码功能：主界面和功能的设计与实现 +""" + +# 导入所需模块 +import os +from PyQt5 import QtCore, QtWidgets +import sys +import qtawesome +from PyQt5.QtWidgets import * +import pandas as pd +from PyQt5.QtCore import Qt, pyqtSignal, QRect + +from AddAdmin import AddAdmin +from EditAdmin import EditAdmin +from sqls import * +from db import * +import Config as C + +# 全局变量 +header_field = ['全选'] # 表头字段 +global all_header_combobox # 用来装行表头所有复选框 +global all_class, class_dict, class_dict2 +global data_list # 存放数据库数据列表 +global activat_menu # 当前激活的菜单按钮 + +activat_menu = None # 记录当前选中的菜单 + + +# 自定义表头类 +class CheckBoxHeader(QHeaderView): + # 自定义 复选框全选信号 + select_all_clicked = pyqtSignal(bool) + # 这4个变量控制列头复选框的样式，位置以及大小 + _x_offset = 21 + _y_offset = 10 + _width = 20 + _height = 20 + + def __init__(self, orientation=Qt.Horizontal, parent=None): + super(CheckBoxHeader, self).__init__(orientation, parent) + self.isOn = False # 控制全选 + + # paintSection 绘制部分，主要用于绘制复选框，主要设置QStyleOptionButton的状态 + def paintSection(self, painter, rect, logicalIndex): + painter.save() + super(CheckBoxHeader, self).paintSection(painter, rect, logicalIndex) + painter.restore() + self._y_offset = int((rect.height() - self._width) / 2.) + if logicalIndex == 0: + option = QStyleOptionButton() + option.rect = QRect(rect.x() + self._x_offset, rect.y() + self._y_offset, self._width, self._height) + option.state = QStyle.State_Enabled | QStyle.State_Active + if self.isOn: + option.state |= QStyle.State_On + else: + option.state |= QStyle.State_Off + self.style().drawControl(QStyle.CE_CheckBox, option, painter) + + # 覆写鼠标点击事件(点击全选框效果) + def mousePressEvent(self, event): + index = self.logicalIndexAt(event.pos()) + if 0 == index: + x = self.sectionPosition(index) + if x + self._x_offset < event.pos().x() < x + self._x_offset + self._width and self._y_offset < event.pos().y() < self._y_offset + self._height: + if self.isOn: + self.isOn = False + print(self.isOn) + else: + self.isOn = True + print(self.isOn) + # 当用户点击了行表头复选框，发射 自定义信号 select_all_clicked() + self.select_all_clicked.emit(self.isOn) + self.updateSection(0) + super(CheckBoxHeader, self).mousePressEvent(event) + + # 改变勾选状态 + def change_state(self, isOn): + # 如果行表头复选框为勾选状态 + if isOn: + # 将所有的复选框都设为勾选状态 + for i in all_header_combobox: + i.setCheckState(Qt.Checked) + else: + for i in all_header_combobox: + i.setCheckState(Qt.Unchecked) + + +# 界面设计与实现 +class MainUi(QtWidgets.QMainWindow): + def __init__(self): + super().__init__() + self.init_ui() + + # 初始化界面 + def init_ui(self): + self.setFixedSize(960, 700) + self.main_widget = QtWidgets.QWidget() # 创建窗口主部件 + self.main_layout = QtWidgets.QGridLayout() # 创建主部件的网格布局 + self.main_widget.setLayout(self.main_layout) # 设置窗口主部件布局为网格布局 + + self.left_widget = QtWidgets.QWidget() # 创建左侧部件 + self.left_widget.setObjectName('left_widget') # 部件命名，设置样式用 + self.left_layout = QtWidgets.QGridLayout() # 创建左侧部件的网格布局层 + self.left_widget.setLayout(self.left_layout) # 设置左侧部件布局为网格 + self.main_layout.addWidget(self.left_widget, 0, 0, 12, 2) # 左侧部件在第0行第0列，占12行2列 + self.setCentralWidget(self.main_widget) # 设置窗口主部件 + + self.left_label_1 = QtWidgets.QPushButton('欢迎您，' + C.USER[3]) + self.left_label_1.setObjectName('left_label') + self.left_label_3 = QtWidgets.QPushButton("个人中心") + self.left_label_3.setObjectName('left_label') + + self.left_button_1 = QtWidgets.QPushButton(qtawesome.icon('fa.users', color='white'), "学生管理") + self.left_button_1.setObjectName('left_button') + self.left_button_1.clicked.connect(lambda: self.setRightWidget(C.FLAG_STUDENT)) + self.left_button_2 = QtWidgets.QPushButton(qtawesome.icon('fa.id-card', color='white'), "成绩管理") + self.left_button_2.setObjectName('left_button') + self.left_button_2.clicked.connect(lambda: self.setRightWidget(C.FLAG_GRADE)) + # 管理员账号 + if C.USER[0] == 1: + self.left_button_3 = QtWidgets.QPushButton(qtawesome.icon('fa.institution', color='white'), "班级管理") + self.left_button_3.setObjectName('left_button') + self.left_button_3.clicked.connect(lambda: self.setRightWidget(C.FLAG_CLASS)) + self.left_button_4 = QtWidgets.QPushButton(qtawesome.icon('fa.user-secret', color='white'), "角色管理") + self.left_button_4.setObjectName('left_button') + self.left_button_4.clicked.connect(lambda: self.setRightWidget(C.FLAG_ADMIN)) + else: + # 表格布局用于占位 + self.left_button_3 = QtWidgets.QPushButton() + self.left_button_4 = QtWidgets.QPushButton() + self.left_button_5 = QtWidgets.QPushButton() + self.left_button_6 = QtWidgets.QPushButton() + self.left_button_7 = QtWidgets.QPushButton() + self.left_button_8 = QtWidgets.QPushButton(qtawesome.icon('fa.pencil-square-o', color='white'), "修改资料") + self.left_button_8.setObjectName('left_button') + self.left_button_8.clicked.connect(lambda: self.setRightWidget(C.FLAG_INFO)) + self.left_button_9 = QtWidgets.QPushButton(qtawesome.icon('fa.sign-out', color='white'), "退出登录") + self.left_button_9.setObjectName('left_button') + self.left_button_9.clicked.connect(lambda: self.logOut(True)) + self.left_xxx = QtWidgets.QPushButton(" ") + + self.left_layout.addWidget(self.left_label_1, 1, 0, 1, 3) + self.left_layout.addWidget(self.left_button_1, 2, 0, 1, 3) + self.left_layout.addWidget(self.left_button_2, 3, 0, 1, 3) + self.left_layout.addWidget(self.left_button_3, 4, 0, 1, 3) + self.left_layout.addWidget(self.left_button_4, 6, 0, 1, 3) + self.left_layout.addWidget(self.left_label_3, 8, 0, 1, 3) + self.left_layout.addWidget(self.left_button_8, 9, 0, 1, 3) + self.left_layout.addWidget(self.left_button_9, 10, 0, 1, 3) + self.left_layout.addWidget(self.left_button_5, 11, 0, 1, 3) + self.left_layout.addWidget(self.left_button_6, 12, 0, 1, 3) + self.left_layout.addWidget(self.left_button_7, 7, 0, 1, 3) + + # 设置样式 + self.left_widget.setStyleSheet(''' + QPushButton{border:none;color:white;} + QPushButton#left_label{ + border:none; + border-bottom:1px solid white; + padding-bottom:2px; + font-size:16px; + font-weight:500; + font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; + } + QPushButton#left_button{ + width:20px; + font-size:15px; + } + QPushButton#left_button:hover{font-weight:700;} + QWidget#left_widget{ + background:#607d8b; + border-top:1px solid white; + border-bottom:1px solid white; + border-left:1px solid white; + } + ''') + self.right_widget = None + self.setRightWidget() + self.main_layout.setSpacing(0) + + # 设置右方显示界面内容布局 + def setRightWidget(self, flag=C.FLAG_GRADE): + # 学生管理 + if flag == C.FLAG_STUDENT: + self.right_widget = self.student_management() + # 成绩管理 + elif flag == C.FLAG_GRADE: + self.right_widget = self.grade_management() + # 班级管理（管理员） + elif flag == C.FLAG_CLASS: + self.right_widget = self.class_management() + # 角色管理（管理员） + elif flag == C.FLAG_ADMIN: + self.right_widget = self.admin_management() + # 修改信息 + elif flag == C.FLAG_INFO: + self.right_widget = self.change_info() + + # 学生管理界面设计 + def student_management(self): + global all_class, class_dict, class_dict2 + class_dict = {} + class_dict2 = {} + if self.right_widget: + self.main_layout.removeWidget(self.right_widget) # 移除已有右侧组件 + self.setWindowTitle('Python学生管理系统-学生管理') + self.setLeftMenu(self.left_button_1) # 标记选中 + self.right_widget = QtWidgets.QWidget() # 创建右侧部件 + self.right_widget.setObjectName('right_widget') + self.verticalLayout = QtWidgets.QVBoxLayout() + self.verticalLayout.setObjectName("verticalLayout") + + self.right_layout = self.verticalLayout + self.right_widget.setLayout(self.right_layout) # 设置右侧部件布局为网格 + + self.main_layout.addWidget(self.right_widget, 0, 2, 12, 10) # 右侧部件在第0行第2列，占12行10列 + + self.widget = QtWidgets.QWidget() + self.horizontalLayout = QtWidgets.QHBoxLayout(self.widget) + self.horizontalLayout.setObjectName("horizontalLayout") + self.label = QtWidgets.QLabel(self.widget) + self.label.setObjectName("label") + self.horizontalLayout.addWidget(self.label) + # 班级列表下拉框 + self.cb = QComboBox(self) + # 单个添加条目 + self.cb.addItem('All') + # 多个添加条目 + all_class = self.getClassList() + print(all_class) + for class_ in all_class: + # 添加班级字典 + class_dict[class_[0]] = class_[1] + class_dict2[class_[1]] = class_[0] + self.cb.addItem(str(class_[0]) + '.' + class_[1]) + print(class_dict) # 班级字典 + print(class_dict2) + # 传递改变条件的信号 + self.cb.currentIndexChanged[int].connect(lambda: self.getDataList(C.FLAG_STUDENT)) # 条目发生改变，发射信号，传递条目索引 + + self.cb.setStyleSheet(''' text-align : center; + height : 30px; + padding-left: 5px; + font : 12px ''') + self.horizontalLayout.addWidget(self.cb) + self.label_2 = QtWidgets.QLabel(self.widget) + self.label_2.setObjectName("label_2") + self.horizontalLayout.addWidget(self.label_2) + # 姓名输入框 + self.input_name = QtWidgets.QLineEdit(self.widget) + self.input_name.setObjectName("input_name") + self.horizontalLayout.addWidget(self.input_name) + self.input_name.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + # 查询按钮 + self.pushButton_2 = QtWidgets.QPushButton(self.widget) + self.pushButton_2.setObjectName("pushButton_2") + self.horizontalLayout.addWidget(self.pushButton_2) + self.pushButton_2.clicked.connect(lambda: self.getDataList(C.FLAG_STUDENT)) + self.pushButton_2.setStyleSheet(''' text-align : center; + background-color : #03a9f4; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + # 空格 + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout.addItem(spacerItem) + + # 批量删除按钮 + self.pushButton_del = QtWidgets.QPushButton(self.widget) + self.pushButton_del.setObjectName("pushButton_del") + self.horizontalLayout.addWidget(self.pushButton_del) + self.pushButton_del.clicked.connect(lambda: self.batchDelete(C.FLAG_STUDENT)) + self.pushButton_del.setStyleSheet(''' text-align : center; + background-color : #f44336; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + # 导入按钮 + self.pushButton_3 = QtWidgets.QPushButton(self.widget) + self.pushButton_3.setObjectName("pushButton") + self.horizontalLayout.addWidget(self.pushButton_3) + self.pushButton_3.clicked.connect(lambda: self.open_file(C.FLAG_STUDENT)) + self.pushButton_3.setStyleSheet(''' text-align : center; + background-color : #009688; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + # 导出按钮 + self.pushButton = QtWidgets.QPushButton(self.widget) + self.pushButton.setObjectName("pushButton") + self.horizontalLayout.addWidget(self.pushButton) + self.pushButton.clicked.connect(lambda: self.data_export(C.FLAG_STUDENT)) + self.pushButton.setStyleSheet(''' text-align : center; + background-color : #ff9800; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + # 内容区域 + self.verticalLayout.addWidget(self.widget) + self.tableWidget = QtWidgets.QTableWidget() + self.tableWidget.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows) + self.tableWidget.setObjectName("tableWidget") + self.tableWidget.setColumnCount(7) + + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(0, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(1, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(2, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(3, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(4, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(5, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(6, item) + self.verticalLayout.addWidget(self.tableWidget) + + # 设置显示名 + _translate = QtCore.QCoreApplication.translate + self.label.setText(_translate("Form", "班级")) + self.label_2.setText(_translate("Form", "姓名")) + self.pushButton_2.setText(_translate("Form", "查询")) + self.pushButton_del.setText(_translate("Form", "批量删除")) + self.pushButton_3.setText(_translate("Form", "导入")) + self.pushButton.setText(_translate("Form", "导出")) + + # 表头内容 + item = self.tableWidget.horizontalHeaderItem(1) + item.setText(_translate("Form", "ID")) + item = self.tableWidget.horizontalHeaderItem(2) + item.setText(_translate("Form", "姓名")) + item = self.tableWidget.horizontalHeaderItem(3) + item.setText(_translate("Form", "学号")) + item = self.tableWidget.horizontalHeaderItem(4) + item.setText(_translate("Form", "性别")) + item = self.tableWidget.horizontalHeaderItem(5) + item.setText(_translate("Form", "班级")) + item = self.tableWidget.horizontalHeaderItem(6) + item.setText(_translate("Form", "操作")) + + # 选择框 + header = CheckBoxHeader() # 实例化自定义表头 + self.tableWidget.setHorizontalHeader(header) # 设置表头 + header.select_all_clicked.connect(header.change_state) # 行表头复选框单击信号与槽 + self.tableWidget.setColumnWidth(0, 50) + self.tableWidget.setColumnWidth(1, 70) + self.tableWidget.setColumnWidth(5, 197) + + # 其余列宽设置 + self.tableWidget.verticalHeader().setDefaultSectionSize(32) + + # 获取数据 + self.getDataList(C.FLAG_STUDENT) + return self.right_widget + + # 成绩管理界面设计 + def grade_management(self): + global all_class, class_dict, class_dict2 + class_dict = {} + class_dict2 = {} + if self.right_widget: + self.main_layout.removeWidget(self.right_widget) # 移除已有右侧组件 + self.setWindowTitle('Python学生管理系统-成绩管理') + self.setLeftMenu(self.left_button_2) + self.right_widget = QtWidgets.QWidget() # 创建右侧部件 + self.right_widget.setObjectName('right_widget') + self.verticalLayout = QtWidgets.QVBoxLayout() + self.verticalLayout.setObjectName("verticalLayout") + + self.right_layout = self.verticalLayout + self.right_widget.setLayout(self.right_layout) # 设置右侧部件布局为网格 + self.main_layout.addWidget(self.right_widget, 0, 2, 12, 10) # 右侧部件在第0行第2列，占12行10列 + + self.widget = QtWidgets.QWidget() + self.horizontalLayout = QtWidgets.QHBoxLayout(self.widget) + self.horizontalLayout.setObjectName("horizontalLayout") + self.label = QtWidgets.QLabel(self.widget) + self.label.setObjectName("label") + self.horizontalLayout.addWidget(self.label) + # 班级列表下拉框 + self.cb = QComboBox(self) + # 单个添加条目 + self.cb.addItem('All') + # 多个添加条目 + all_class = self.getClassList() + for class_ in all_class: + # 添加班级字典 + class_dict[class_[0]] = class_[1] + class_dict2[class_[1]] = class_[0] + self.cb.addItem(str(class_[0]) + '.' + class_[1]) + + # 信号 + self.cb.currentIndexChanged[int].connect(lambda: self.getDataList(C.FLAG_GRADE)) # 条目发生改变，发射信号，传递条目索引 + + self.cb.setStyleSheet(''' text-align : center; + height : 30px; + padding-left: 5px; + font : 12px ''') + self.horizontalLayout.addWidget(self.cb) + self.label_2 = QtWidgets.QLabel(self.widget) + self.label_2.setObjectName("label_2") + self.horizontalLayout.addWidget(self.label_2) + + # 姓名输入框 + self.input_name = QtWidgets.QLineEdit(self.widget) + self.input_name.setObjectName("input_name") + self.horizontalLayout.addWidget(self.input_name) + self.input_name.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + # 查询按钮 + self.pushButton_2 = QtWidgets.QPushButton(self.widget) + self.pushButton_2.setObjectName("pushButton_2") + self.horizontalLayout.addWidget(self.pushButton_2) + self.pushButton_2.clicked.connect(lambda: self.getDataList(C.FLAG_GRADE)) + self.pushButton_2.setStyleSheet(''' text-align : center; + background-color : #03a9f4; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout.addItem(spacerItem) + + # 批量清零按钮 + self.pushButton_del = QtWidgets.QPushButton(self.widget) + self.pushButton_del.setObjectName("pushButton_del") + self.horizontalLayout.addWidget(self.pushButton_del) + self.pushButton_del.clicked.connect(lambda: self.batchDelete(C.FLAG_GRADE)) + self.pushButton_del.setStyleSheet(''' text-align : center; + background-color : #f44336; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + # 导入按钮 + self.pushButton_3 = QtWidgets.QPushButton(self.widget) + self.pushButton_3.setObjectName("pushButton") + self.horizontalLayout.addWidget(self.pushButton_3) + self.pushButton_3.clicked.connect(lambda: self.open_file(C.FLAG_GRADE)) + self.pushButton_3.setStyleSheet(''' text-align : center; + background-color : #009688; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + # 导出按钮 + self.pushButton = QtWidgets.QPushButton(self.widget) + self.pushButton.setObjectName("pushButton") + self.horizontalLayout.addWidget(self.pushButton) + self.pushButton.clicked.connect(lambda: self.data_export(C.FLAG_GRADE)) + self.pushButton.setStyleSheet(''' text-align : center; + background-color : #ff9800; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + self.verticalLayout.addWidget(self.widget) + self.tableWidget = QtWidgets.QTableWidget() + self.tableWidget.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows) + self.tableWidget.setObjectName("tableWidget") + self.tableWidget.setColumnCount(8) + + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(0, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(1, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(2, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(3, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(4, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(5, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(6, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(7, item) + self.verticalLayout.addWidget(self.tableWidget) + + _translate = QtCore.QCoreApplication.translate + self.label.setText(_translate("Form", "班级")) + self.label_2.setText(_translate("Form", "姓名")) + self.pushButton_2.setText(_translate("Form", "查询")) + self.pushButton_del.setText(_translate("Form", "批量清零")) + self.pushButton_3.setText(_translate("Form", "导入")) + self.pushButton.setText(_translate("Form", "导出")) + + item = self.tableWidget.horizontalHeaderItem(1) + item.setText(_translate("Form", "姓名")) + item = self.tableWidget.horizontalHeaderItem(2) + item.setText(_translate("Form", "学号")) + item = self.tableWidget.horizontalHeaderItem(3) + item.setText(_translate("Form", "语文")) + item = self.tableWidget.horizontalHeaderItem(4) + item.setText(_translate("Form", "数学")) + item = self.tableWidget.horizontalHeaderItem(5) + item.setText(_translate("Form", "英语")) + item = self.tableWidget.horizontalHeaderItem(6) + item.setText(_translate("Form", "总分")) + item = self.tableWidget.horizontalHeaderItem(7) + item.setText(_translate("Form", "操作")) + + header = CheckBoxHeader() # 实例化自定义表头 + self.tableWidget.setHorizontalHeader(header) # 设置表头 + header.select_all_clicked.connect(header.change_state) # 行表头复选框单击信号与槽 + self.tableWidget.setColumnWidth(0, 50) + self.tableWidget.setColumnWidth(3, 80) + self.tableWidget.setColumnWidth(4, 80) + self.tableWidget.setColumnWidth(5, 80) + self.tableWidget.setColumnWidth(7, 130) + + # 列宽 + self.tableWidget.verticalHeader().setDefaultSectionSize(32) + + self.getDataList(C.FLAG_GRADE) + return self.right_widget + + # 班级管理界面设计 + def class_management(self): + global all_class, class_dict, class_dict2 + class_dict = {} + class_dict2 = {} + if self.right_widget: + self.main_layout.removeWidget(self.right_widget) # 移除已有右侧组件 + self.setWindowTitle('Python学生管理系统-班级管理') + self.setLeftMenu(self.left_button_3) + self.right_widget = QtWidgets.QWidget() # 创建右侧部件 + self.right_widget.setObjectName('right_widget') + self.verticalLayout = QtWidgets.QVBoxLayout() + self.verticalLayout.setObjectName("verticalLayout") + + self.right_layout = self.verticalLayout + self.right_widget.setLayout(self.right_layout) # 设置右侧部件布局为网格 + + self.main_layout.addWidget(self.right_widget, 0, 2, 12, 10) + + self.widget = QtWidgets.QWidget() + self.horizontalLayout = QtWidgets.QHBoxLayout(self.widget) + self.horizontalLayout.setObjectName("horizontalLayout") + + # 新增按钮 + self.pushButton_3 = QtWidgets.QPushButton(self.widget) + self.pushButton_3.setObjectName("pushButton") + self.horizontalLayout.addWidget(self.pushButton_3) + self.pushButton_3.clicked.connect(lambda: self.createData(C.FLAG_CLASS)) + self.pushButton_3.setStyleSheet(''' text-align : center; + background-color : #009688; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + self.label_2 = QtWidgets.QLabel(self.widget) + self.label_2.setObjectName("label_2") + self.horizontalLayout.addWidget(self.label_2) + + # 班级输入框 + self.input_name = QtWidgets.QLineEdit(self.widget) + self.input_name.setObjectName("input_name") + self.horizontalLayout.addWidget(self.input_name) + self.input_name.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + # 查询按钮 + self.pushButton_2 = QtWidgets.QPushButton(self.widget) + self.pushButton_2.setObjectName("pushButton_2") + self.horizontalLayout.addWidget(self.pushButton_2) + self.pushButton_2.clicked.connect(lambda: self.getDataList(C.FLAG_CLASS, i=-1)) + self.pushButton_2.setStyleSheet(''' text-align : center; + background-color : #03a9f4; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout.addItem(spacerItem) + + # 批量删除按钮 + self.pushButton_del = QtWidgets.QPushButton(self.widget) + self.pushButton_del.setObjectName("pushButton_del") + self.horizontalLayout.addWidget(self.pushButton_del) + self.pushButton_del.clicked.connect(lambda: self.batchDelete(C.FLAG_CLASS)) + self.pushButton_del.setStyleSheet(''' text-align : center; + background-color : #f44336; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + self.verticalLayout.addWidget(self.widget) + self.tableWidget = QtWidgets.QTableWidget() + self.tableWidget.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows) + self.tableWidget.setObjectName("tableWidget") + self.tableWidget.setColumnCount(4) + + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(0, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(1, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(2, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(3, item) + self.verticalLayout.addWidget(self.tableWidget) + + _translate = QtCore.QCoreApplication.translate + self.pushButton_3.setText(_translate("Form", "新增班级")) + self.label_2.setText(_translate("Form", "班级")) + self.pushButton_2.setText(_translate("Form", "查询")) + self.pushButton_del.setText(_translate("Form", "批量删除")) + + item = self.tableWidget.horizontalHeaderItem(1) + item.setText(_translate("Form", "ID")) + item = self.tableWidget.horizontalHeaderItem(2) + item.setText(_translate("Form", "班级名称")) + item = self.tableWidget.horizontalHeaderItem(2) + item.setText(_translate("Form", "班级名称")) + item = self.tableWidget.horizontalHeaderItem(3) + item.setText(_translate("Form", "操作")) + + header = CheckBoxHeader() # 实例化自定义表头 + self.tableWidget.setHorizontalHeader(header) # 设置表头 + header.select_all_clicked.connect(header.change_state) # 行表头复选框单击信号与槽 + self.tableWidget.setColumnWidth(0, 50) + self.tableWidget.setColumnWidth(1, 70) + self.tableWidget.setColumnWidth(2, 510) + + self.tableWidget.verticalHeader().setDefaultSectionSize(32) + + self.getDataList(C.FLAG_CLASS, i=-1) + return self.right_widget + + # 角色管理界面设计 + def admin_management(self): + global all_class, class_dict, class_dict2 + class_dict = {} + class_dict2 = {} + if self.right_widget: + self.main_layout.removeWidget(self.right_widget) # 移除已有右侧组件 + self.setWindowTitle('Python学生管理系统-角色管理') + self.setLeftMenu(self.left_button_4) + self.right_widget = QtWidgets.QWidget() # 创建右侧部件 + self.right_widget.setObjectName('right_widget') + self.verticalLayout = QtWidgets.QVBoxLayout() + self.verticalLayout.setObjectName("verticalLayout") + + self.right_layout = self.verticalLayout + self.right_widget.setLayout(self.right_layout) # 设置右侧部件布局为网格 + + self.main_layout.addWidget(self.right_widget, 0, 2, 12, 10) + + self.widget = QtWidgets.QWidget() + self.horizontalLayout = QtWidgets.QHBoxLayout(self.widget) + self.horizontalLayout.setObjectName("horizontalLayout") + + # 新增按钮 + self.pushButton_3 = QtWidgets.QPushButton(self.widget) + self.pushButton_3.setObjectName("pushButton") + self.horizontalLayout.addWidget(self.pushButton_3) + self.pushButton_3.clicked.connect(lambda: self.addAdmin()) + self.pushButton_3.setStyleSheet(''' text-align : center; + background-color : #009688; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + self.label_2 = QtWidgets.QLabel(self.widget) + self.label_2.setObjectName("label_2") + self.horizontalLayout.addWidget(self.label_2) + + # 姓名输入框 + self.input_name = QtWidgets.QLineEdit(self.widget) + self.input_name.setObjectName("input_name") + self.horizontalLayout.addWidget(self.input_name) + self.input_name.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + + # 查询按钮 + self.pushButton_2 = QtWidgets.QPushButton(self.widget) + self.pushButton_2.setObjectName("pushButton_2") + self.horizontalLayout.addWidget(self.pushButton_2) + self.pushButton_2.clicked.connect(lambda: self.getDataList(C.FLAG_ADMIN, i=-1)) + self.pushButton_2.setStyleSheet(''' text-align : center; + background-color : #03a9f4; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout.addItem(spacerItem) + + # 批量删除按钮 + self.pushButton_del = QtWidgets.QPushButton(self.widget) + self.pushButton_del.setObjectName("pushButton_del") + self.horizontalLayout.addWidget(self.pushButton_del) + self.pushButton_del.clicked.connect(lambda: self.batchDelete(C.FLAG_ADMIN)) + self.pushButton_del.setStyleSheet(''' text-align : center; + background-color : #f44336; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + self.verticalLayout.addWidget(self.widget) + self.tableWidget = QtWidgets.QTableWidget() + self.tableWidget.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows) + self.tableWidget.setObjectName("tableWidget") + self.tableWidget.setColumnCount(6) + + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(0, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(1, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(2, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(3, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(4, item) + item = QtWidgets.QTableWidgetItem() + self.tableWidget.setHorizontalHeaderItem(5, item) + self.verticalLayout.addWidget(self.tableWidget) + + _translate = QtCore.QCoreApplication.translate + self.pushButton_3.setText(_translate("Form", "新增角色")) + self.label_2.setText(_translate("Form", "用户名")) + self.pushButton_2.setText(_translate("Form", "查询")) + self.pushButton_del.setText(_translate("Form", "批量删除")) + + item = self.tableWidget.horizontalHeaderItem(1) + item.setText(_translate("Form", "ID")) + item = self.tableWidget.horizontalHeaderItem(2) + item.setText(_translate("Form", "用户名")) + item = self.tableWidget.horizontalHeaderItem(3) + item.setText(_translate("Form", "备注")) + item = self.tableWidget.horizontalHeaderItem(4) + item.setText(_translate("Form", "可管理班级")) + item = self.tableWidget.horizontalHeaderItem(5) + item.setText(_translate("Form", "操作")) + + header = CheckBoxHeader() # 实例化自定义表头 + self.tableWidget.setHorizontalHeader(header) # 设置表头 + header.select_all_clicked.connect(header.change_state) # 行表头复选框单击信号与槽 + self.tableWidget.setColumnWidth(0, 50) + self.tableWidget.setColumnWidth(1, 70) + self.tableWidget.setColumnWidth(2, 120) + self.tableWidget.setColumnWidth(3, 160) + self.tableWidget.setColumnWidth(4, 240) + + self.tableWidget.verticalHeader().setDefaultSectionSize(32) + + self.getDataList(C.FLAG_ADMIN, i=-1) + return self.right_widget + + # 修改资料界面设计 + def change_info(self): + if self.right_widget: + self.main_layout.removeWidget(self.right_widget) # 移除已有右侧组件 + self.setWindowTitle('Python学生管理系统-资料修改') + self.setLeftMenu(self.left_button_8) + self.right_widget = QtWidgets.QWidget() # 创建右侧部件 + self.right_widget.setObjectName('right_widget') + self.verticalLayout = QtWidgets.QVBoxLayout() + self.verticalLayout.setObjectName("verticalLayout") + self.right_widget.setStyleSheet(''' background-image : url('image/bg.png'); + background-position:center; + background-repeat:no-repeat;''') + + self.right_layout = self.verticalLayout + self.right_widget.setLayout(self.right_layout) # 设置右侧部件布局为网格 + + self.main_layout.addWidget(self.right_widget, 0, 2, 12, 10) # 右侧部件在第0行第3列，占8行9列 + + self.widget = QtWidgets.QWidget() + self.horizontalLayout = QtWidgets.QHBoxLayout(self.widget) + self.horizontalLayout.setObjectName("horizontalLayout") + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + + self.label_2 = QtWidgets.QLabel(self.widget) + self.label_2.setObjectName("label_2") + self.horizontalLayout.addItem(spacerItem) + self.horizontalLayout.addWidget(self.label_2) + + # 用户名输入框 + self.input_name = QtWidgets.QLineEdit(self.widget) + self.input_name.setObjectName("input_name") + self.input_name.setText(C.USER[1]) + self.horizontalLayout.addWidget(self.input_name) + self.input_name.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + + self.widget2 = QtWidgets.QWidget() + self.horizontalLayout2 = QtWidgets.QHBoxLayout(self.widget2) + + spacerItem2 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout2.addItem(spacerItem2) + self.label_pass0 = QtWidgets.QLabel(self.widget2) + self.label_pass0.setText(' 原密码') + self.horizontalLayout2.addWidget(self.label_pass0) + + # 原密码输入框 + self.input_pass0 = QtWidgets.QLineEdit(self.widget2) + self.input_pass0.setEchoMode(QtWidgets.QLineEdit.Password) + self.input_pass0.setPlaceholderText('请输入原密码') + self.horizontalLayout2.addWidget(self.input_pass0) + self.input_pass0.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + + self.widget3 = QtWidgets.QWidget() + self.horizontalLayout3 = QtWidgets.QHBoxLayout(self.widget3) + + spacerItem3 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout3.addItem(spacerItem3) + self.label_pass1 = QtWidgets.QLabel(self.widget3) + self.label_pass1.setText(' 新密码') + # 新密码输入框 + self.input_pass1 = QtWidgets.QLineEdit(self.widget3) + self.input_pass1.setObjectName("input_pass1") + self.input_pass1.setEchoMode(QtWidgets.QLineEdit.Password) + self.input_pass1.setPlaceholderText('请输入新密码') + self.horizontalLayout3.addWidget(self.label_pass1) + self.horizontalLayout3.addWidget(self.input_pass1) + self.input_pass1.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + + self.widget4 = QtWidgets.QWidget() + self.horizontalLayout4 = QtWidgets.QHBoxLayout(self.widget4) + spacerItem4 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout4.addItem(spacerItem4) + self.label_pass2 = QtWidgets.QLabel(self.widget4) + self.label_pass2.setText('重复密码') + # 重复密码输入框 + self.input_pass2 = QtWidgets.QLineEdit(self.widget4) + self.input_pass2.setObjectName("input_pass2") + self.input_pass2.setEchoMode(QtWidgets.QLineEdit.Password) + self.input_pass2.setPlaceholderText('请重复新密码') + self.horizontalLayout4.addWidget(self.label_pass2) + self.horizontalLayout4.addWidget(self.input_pass2) + self.input_pass2.setStyleSheet(''' height : 30px; + border-style: outset; + padding-left: 5px; + border: 1px solid #ccc; + border-radius: 5px; + font : 12px ''') + self.widget5 = QtWidgets.QWidget() + self.horizontalLayout5 = QtWidgets.QHBoxLayout(self.widget5) + spacerItem5 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout5.addItem(spacerItem5) + + # 提交按钮 + self.pushButton_3 = QtWidgets.QPushButton(self.widget5) + self.pushButton_3.setObjectName("pushButton") + self.horizontalLayout5.addWidget(self.pushButton_3) + self.pushButton_3.clicked.connect(lambda: self.modifyPassw()) + self.pushButton_3.setStyleSheet(''' text-align : center; + background-color : #009688; + height : 30px; + width: 80px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + # 修改按钮 + self.pushButton_2 = QtWidgets.QPushButton(self.widget) + self.pushButton_2.setObjectName("pushButton_2") + self.horizontalLayout.addWidget(self.pushButton_2) + self.pushButton_2.clicked.connect(lambda: self.editUsername()) + self.pushButton_2.setStyleSheet(''' text-align : center; + background-color : #03a9f4; + height : 30px; + width: 50px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout.addItem(spacerItem) + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout2.addItem(spacerItem) + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout3.addItem(spacerItem) + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout4.addItem(spacerItem) + spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.horizontalLayout5.addItem(spacerItem) + + spacerItem = QtWidgets.QSpacerItem(40, 100, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.verticalLayout.addItem(spacerItem) + self.verticalLayout.addWidget(self.widget) + spacerItem = QtWidgets.QSpacerItem(40, 300, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.verticalLayout.addItem(spacerItem) + self.verticalLayout.addWidget(self.widget2) + self.verticalLayout.addWidget(self.widget3) + self.verticalLayout.addWidget(self.widget4) + self.verticalLayout.addWidget(self.widget5) + + spacerItem = QtWidgets.QSpacerItem(40, 200, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) + self.verticalLayout.addItem(spacerItem) + + _translate = QtCore.QCoreApplication.translate + self.pushButton_3.setText(_translate("Form", "修改密码")) + self.label_2.setText(_translate("Form", "用户名")) + self.pushButton_2.setText(_translate("Form", "修改")) + + return self.right_widget + + # 设置行可编辑 + def editRow(self, id, flag, editable=True): + """ + :param id: 数据库id + :param flag: 1. 学生 2.班级 3.角色 + :param editable: 是否设置单元格可编辑，默认true + :return: + """ + button = self.sender() + if button: + # 确定位置的时候这里是关键 + row = self.tableWidget.indexAt(button.parent().pos()).row() + FLAGS = QtCore.Qt.ItemIsEnabled + if editable: + FLAGS = QtCore.Qt.ItemIsEditable | QtCore.Qt.ItemIsSelectable | FLAGS + BUTTONS = self.buttonForRowEdit(id, flag) + else: + BUTTONS = self.buttonForRow(id, flag) + + if flag == C.FLAG_STUDENT: + item2 = self.tableWidget.item(row, 2) + item2.setFlags(FLAGS) + item2 = self.tableWidget.item(row, 3) + item2.setFlags(FLAGS) + item2 = self.tableWidget.item(row, 4) + item2.setFlags(FLAGS) + item2 = self.tableWidget.item(row, 5) + item2.setFlags(FLAGS) + self.tableWidget.setCellWidget(row, 6, BUTTONS) + elif flag == C.FLAG_GRADE: + item2 = self.tableWidget.item(row, 3) + item2.setFlags(FLAGS) + item2 = self.tableWidget.item(row, 4) + item2.setFlags(FLAGS) + item2 = self.tableWidget.item(row, 5) + item2.setFlags(FLAGS) + self.tableWidget.setCellWidget(row, 7, BUTTONS) + + # 提交数据 + def submitData(self, id, flag): + """ + :param id: 数据库id + :param flag: 1. 学生 2.班级 3.角色 + :return: + """ + global class_dict2 + # 调用sender()方法可以判断发送信号的信号源是哪一个 + button = self.sender() + if button: + # 确定位置 + row = self.tableWidget.indexAt(button.parent().pos()).row() + # 学生管理 + if flag == C.FLAG_STUDENT: + name = self.tableWidget.item(row, 2).text() + number = self.tableWidget.item(row, 3).text() + sex = '1' if self.tableWidget.item(row, 4).text() == '男' else '2' + class_ = self.tableWidget.item(row, 5).text() + if class_ not in class_dict2.keys(): + QMessageBox.critical(self, '输入有误', "该班级不存在！") + return + else: + try: + class_ = class_dict2[class_] + sql_execute(updateStudentById(id, name, number, sex, class_)) + QMessageBox.about(self, '成功', "修改成功！") + self.editRow(id, flag, False) + except Exception as e: + print(e) + QMessageBox.critical(self, '编辑失败', "提交失败，请检查输入！") + return + + # 成绩管理 + elif flag == C.FLAG_GRADE: + chinese = self.tableWidget.item(row, 3).text() + math = self.tableWidget.item(row, 4).text() + english = self.tableWidget.item(row, 5).text() + if not chinese.isdigit() or not math.isdigit() or not english.isdigit(): + QMessageBox.critical(self, '输入有误', "成绩只能为整数哦！") + return + else: + try: + sql_execute(updateGradeById(id, chinese, math, english)) + self.tableWidget.item(row, 6).setText(str(int(chinese) + int(math) + int(english))) + self.editRow(id, flag, False) + + except Exception as e: + print(e) + QMessageBox.critical(self, '失败', "提交失败，请检查输入！") + return + + # 批量删除 + def batchDelete(self, flag): + global all_header_combobox + ids = [-1] + for i in range(len(all_header_combobox)): + try: + if all_header_combobox[i].checkState() == 2: + if flag == C.FLAG_GRADE: + ids.append(self.tableWidget.item(i, 2).text()) + else: + ids.append(self.tableWidget.item(i, 1).text()) + except Exception as e: + print(e) + if len(ids) == 1: + QMessageBox.information(self, '失败', "未选择数据！") + return + self.deleteRow(ids, flag) + + # 删除数据 + def deleteRow(self, ids, flag): + """ + :param ids: 数据库id列表 + :param flag: 1.学生 2.班级 3.角色 4.班级 + :return: + """ + global all_header_combobox + if flag == C.FLAG_GRADE: + title = '清零' + tips = '确定清零该学生成绩?' if len(ids) == 1 else '确定清零' + str(len(ids) - 1) + '个学生成绩?' + else: + title = '删除' + tips = '确定删除该条数据?' if len(ids) == 1 else '确定删除' + str(len(ids) - 1) + '条数据?' + + reply = QMessageBox.question(self, title, tips, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) + if reply == QMessageBox.Yes: + if len(ids) <= 1: + button = self.sender() + if button: + # 确定位置的时候这里是关键 + row = self.tableWidget.indexAt(button.parent().pos()).row() + if flag == C.FLAG_STUDENT: + result = sql_execute(delStudentById(ids[0])) + self.tableWidget.removeRow(row) + del all_header_combobox[row] + elif flag == C.FLAG_GRADE: + result = sql_execute(updateGradeById(ids[0], '0', '0', '0')) + self.tableWidget.item(row, 3).setText('0') + self.tableWidget.item(row, 4).setText('0') + self.tableWidget.item(row, 5).setText('0') + self.tableWidget.item(row, 6).setText('0') + elif flag == C.FLAG_CLASS: + result = sql_execute(getStudentByClassId(ids[0])) + if len(result) > 0: + QMessageBox.information(self, '失败', "该班级还有学生！请移除学生后再删除该班级。") + return + else: + sql_execute(delClassById(ids[0])) + self.tableWidget.removeRow(row) + elif flag == C.FLAG_ADMIN: + if ids[0] == 1: + QMessageBox.information(self, '失败', "超管账号不可删除！") + return + else: + sql_execute(delAdminById(ids[0])) + self.tableWidget.removeRow(row) + + else: + errIds = [] + i = None + for id in ids: + if flag == C.FLAG_STUDENT: + result = sql_execute(delStudentById(id)) + elif flag == C.FLAG_GRADE: + result = sql_execute(updateGradeByNum(id, '0', '0', '0')) + elif flag == C.FLAG_CLASS: + result = sql_execute(getStudentByClassId(id)) + if len(result) > 0: + errIds.append(id) + continue + else: + sql_execute(delClassById(id)) + elif flag == C.FLAG_ADMIN: + if id == '1': + QMessageBox.information(self, '失败', "超管账号不可删除！") + continue + else: + sql_execute(delAdminById(id)) + i = -1 + if flag == C.FLAG_CLASS: + if len(errIds) == 0: + QMessageBox.about(self, '操作完成', "成功删除班级%d个。" % (len(ids) - 1)) + else: + QMessageBox.information(self, '操作完成', + "成功删除班级%d个，失败%d个。\n失败班级id：%s\n这些班级内还有学生，无法删除，请移除学生后再进行该操作！" + % (len(ids) - len(errIds) - 1, len(errIds), str(errIds))) + self.getDataList(flag=flag, i=-1) + return + self.getDataList(flag=flag, i=i) + + # 查看详情 + def viewTable(self, id, flag): + """ + :param id: 数据库id + :param flag: xx管理 + :return: + """ + if flag == C.FLAG_GRADE: + result = sql_execute(getStudentById(id)) + result = result[0] + sex = '男' if result[3] == 1 else '女' + class_ = result[4] + if class_ not in class_dict.keys(): + class_ = '/' + else: + class_ = class_dict[class_] + total = result[5] + result[6] + result[7] + str = 'id：%d\n姓名：%s \n学号：%d\n性别：%s\n班级：%s\n语文成绩：%d\n数学成绩：%d\n英语成绩：%d\n总成绩：%d' \ + % (result[0], result[1], result[2], sex, class_, result[5], result[6], result[7], total) + + QMessageBox.about(self, '详情', str) + + # 编辑、添加、提交、删除按钮 + def buttonForRow(self, id, flag, info=''): + """ + :param id: 数据库中数据id + :param flag: xx管理 + :param info: 其他附加信息 + :return: + """ + widget = QWidget() + + # 编辑 + updateBtn = QPushButton('编辑') + updateBtn.setStyleSheet(''' text-align : center; + background-color : orange; + height : 30px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + if flag == C.FLAG_CLASS: + updateBtn.clicked.connect(lambda: self.editClass(id, info)) + elif flag == C.FLAG_ADMIN: + updateBtn.clicked.connect(lambda: self.editAdmin(id)) + else: + updateBtn.clicked.connect(lambda: self.editRow(id, flag)) + + # 删除 + deleteBtn = QPushButton('删除') + deleteBtn.setStyleSheet(''' text-align : center; + background-color : LightCoral; + height : 30px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 13px; ''') + deleteBtn.clicked.connect(lambda: self.deleteRow([id], flag)) + + # 成绩管理 + if flag == C.FLAG_GRADE: + updateBtn.setText("编辑") + deleteBtn.setText("清零") + # 查看 + viewBtn = QPushButton('详情') + viewBtn.setStyleSheet(''' text-align : center; + background-color : #5dc7f1; + height : 30px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 13px; ''') + + viewBtn.clicked.connect(lambda: self.viewTable(id, flag)) + + hLayout = QHBoxLayout() + hLayout.addWidget(updateBtn) + if flag == C.FLAG_GRADE: + hLayout.addWidget(viewBtn) + hLayout.addWidget(deleteBtn) + hLayout.setContentsMargins(5, 2, 5, 2) + widget.setLayout(hLayout) + return widget + + # 添加提交、取消按钮 + def buttonForRowEdit(self, id, flag): + """ + :param id: 数据库中数据id + :param flag: xx管理 + :return: + """ + widget = QWidget() + # 提交 + updateBtn = QPushButton('提交') + updateBtn.setStyleSheet(''' text-align : center; + background-color : DarkSeaGreen; + height : 30px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 12px ''') + + updateBtn.clicked.connect(lambda: self.submitData(id, flag)) + + # 取消 + cancelBtn = QPushButton('取消') + cancelBtn.setStyleSheet(''' text-align : center; + background-color : #aaa; + height : 30px; + border-style: outset; + border-radius: 5px; + color: #fff; + font : 13px; ''') + cancelBtn.clicked.connect(lambda: self.editRow(id, flag, False)) + + hLayout = QHBoxLayout() + hLayout.addWidget(updateBtn) + hLayout.addWidget(cancelBtn) + hLayout.setContentsMargins(5, 2, 5, 2) + widget.setLayout(hLayout) + return widget + + # 获取并更新数据列表 i: 班级index + def getDataList(self, flag, i=None): + global all_class, data_list + data_list = () + name = self.input_name.text() + if i is None: + i = self.cb.currentIndex() + if i == 0: + classIds = C.USER[4] + elif i < 0: + pass + else: + classIds = str(all_class[i - 1][0]) + if flag == C.FLAG_STUDENT: + data_list = sql_execute(getStudentList(classIds, name)) + elif flag == C.FLAG_GRADE: + data_list = sql_execute(getGradeList(classIds, name)) + elif flag == C.FLAG_CLASS: + data_list = self.getClassList(name) + elif flag == C.FLAG_ADMIN: + data_list = sql_execute(getAdminList(name)) + self.addTableRow(flag, data_list) + + # 添加数据 + def addTableRow(self, flag, dataList): + global all_header_combobox, class_dict + all_header_combobox = [] + + self.tableWidget.setRowCount(0) + if len(dataList) == 0: + self.tableWidget.setRowCount(1) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText("无数据") + self.tableWidget.setItem(0, 0, item) + return + + self.tableWidget.setRowCount(len(dataList)) + i = 0 + for data in dataList: + if not (flag == C.FLAG_ADMIN and data[0] == 1): + checkbox1 = QtWidgets.QCheckBox() + # 将所有的复选框都添加到 全局变量 all_header_combobox 中 + all_header_combobox.append(checkbox1) + # 1.实例化一个新布局 + hLayout = QtWidgets.QFormLayout() + # 2.在布局里添加checkBox + hLayout.addWidget(checkbox1) + # 3.在布局里居中放置checkbox1 + hLayout.setAlignment(checkbox1, QtCore.Qt.AlignCenter) + # 4.实例化一个QWidget（控件） + widget = QtWidgets.QWidget() + # 5.在QWidget放置布局 + widget.setLayout(hLayout) + # 6.在tableWidget1放置widget + self.tableWidget.setCellWidget(i, 0, widget) + if flag == C.FLAG_STUDENT: + item = QTableWidgetItem(str(data[0])) + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 1, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(data[1]) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 2, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(data[2])) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 3, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText('男' if data[3] == 1 else '女') + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 4, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(class_dict[data[4]]) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 5, item) + self.tableWidget.setCellWidget(i, 6, self.buttonForRow(data[0], C.FLAG_STUDENT)) + elif flag == C.FLAG_GRADE: + item = QTableWidgetItem(str(data[1])) + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 1, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(data[2])) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 2, item) + + chinese = data[5] if data[5] is not None else 0 + math = data[6] if data[6] is not None else 0 + english = data[7] if data[7] is not None else 0 + total = chinese + math + english + + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(chinese)) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 3, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(math)) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 4, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(english)) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 5, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(total)) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 6, item) + self.tableWidget.setCellWidget(i, 7, self.buttonForRow(data[0], C.FLAG_GRADE)) + elif flag == C.FLAG_CLASS: + item = QTableWidgetItem(str(data[0])) + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 1, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(data[1])) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 2, item) + self.tableWidget.setCellWidget(i, 3, self.buttonForRow(data[0], C.FLAG_CLASS, info=data[1])) + elif flag == C.FLAG_ADMIN: + item = QTableWidgetItem(str(data[0])) + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 1, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(data[1])) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 2, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText(str(data[3])) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 3, item) + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + try: + class_dict = {} + all_class = self.getClassList() + for class_ in all_class: + # 添加班级字典 + class_dict[str(class_[0])] = class_[1] + classs = 'All' + if data[4] == '': + classs = '无' + elif data[4] != '0': + data4 = data[4].split(',') + classs = "/".join(class_dict[d] for d in data4) + except Exception as e: + classs = 'err: 数据有误！' + item.setText(classs) + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 4, item) + # 超管 + if data[0] == 1: + item = QTableWidgetItem() + item.setTextAlignment(QtCore.Qt.AlignCenter) + item.setText('无权限') + item.setFlags(QtCore.Qt.ItemIsEnabled) + self.tableWidget.setItem(i, 5, item) + else: + self.tableWidget.setCellWidget(i, 5, self.buttonForRow(data[0], C.FLAG_ADMIN)) + i += 1 + + # 获取班级列表 + def getClassList(self, name=''): + print("获取班级列表") + return sql_execute(getClassList(C.USER[4], name)) + + # 设置左侧选中菜单按钮的样式 + def setLeftMenu(self, button): + global activat_menu + if activat_menu != None: + activat_menu.setStyleSheet(''' + width:20px; + font-size:15px; + ''') + activat_menu = button + button.setStyleSheet(''' + width:20px; + font-size:15px; + border-left:4px solid #00bcd4; + font-weight:700; + ''') + + # 新增数据 + def createData(self, flag): + if flag == C.FLAG_CLASS: + text, okPressed = QInputDialog.getText(self, "新增班级", "班级名称:", QLineEdit.Normal, "") + if okPressed and text != '': + try: + sql_execute(insertClass(text)) + QMessageBox.about(self, '成功', '新增班级成功！') + self.getDataList(flag, i=-1) + except Exception as e: + QMessageBox.critical(self, '失败', '新增班级失败：\n' + e) + + # 编辑班级 + def editClass(self, id, old): + text, okPressed = QInputDialog.getText(self, "编辑班级", "班级名称:", QLineEdit.Normal, old) + if okPressed and text != '': + try: + sql_execute(updateClassById(id, text)) + QMessageBox.about(self, '成功', '班级编辑成功！') + self.getDataList(C.FLAG_CLASS, i=-1) + except Exception as e: + QMessageBox.critical(self, '失败', '编辑班级失败：\n' + e) + + # 退出登录 + def logOut(self, tips=False): + if tips: + reply = QMessageBox.question(self, '退出登录', '确定要退出登录吗？', QMessageBox.Yes | QMessageBox.No, + QMessageBox.No) + if reply != QMessageBox.Yes: + return + gl_user = () + self.aw = C.LOGIN_WINDOW # 创建主窗体对象，实例化Ui_MainWindow + self.w = QMainWindow() # 实例化QMainWindow类 + self.aw.setupUi(self.w) # 主窗体对象调用setupUi方法，对QMainWindow对象进行设置 + self.w.show() # 显示主窗体 + self.hide() + + # 修改用户名 + def editUsername(self): + reply = QMessageBox.question(self, '修改用户名', '修改用户名后，需要重新登录。是否继续？', + QMessageBox.Yes | QMessageBox.No, QMessageBox.No) + if reply == QMessageBox.Yes: + username = self.input_name.text() + sql_execute(updateUsernameById(C.USER[0], username)) + QMessageBox.about(self, '成功', '用户名修改成功！请重新登录。') + self.logOut(False) + # self.aw = Ui_MainWindow() # 创建主窗体对象，实例化Ui_MainWindow + # self.w = QMainWindow() # 实例化QMainWindow类 + # self.aw.setupUi(self.w) # 主窗体对象调用setupUi方法，对QMainWindow对象进行设置 + # self.w.show() # 显示主窗体 + + # 修改密码 + def modifyPassw(self): + pass0 = self.input_pass0.text() + pass1 = self.input_pass1.text() + pass2 = self.input_pass2.text() + if pass1 != pass2: + QMessageBox.information(self, '错误', '两次密码输入不一致。') + return + else: + if C.USER[2] != md5(pass0): + QMessageBox.information(self, '错误', '原密码不正确！') + return + else: + sql_execute(resetAdminPasswById(C.USER[0], pass1)) + QMessageBox.about(self, '成功', '密码修改成功！请重新登录。') + self.logOut(False) + + # 编辑角色 + def editAdmin(self, id): + self.aw = EditAdmin() # 创建主窗体对象，实例化Ui_MainWindow + self.w = QMainWindow() # 实例化QMainWindow类 + self.aw.setupUi(self.w, id) # 主窗体对象调用setupUi方法，对QMainWindow对象进行设置 + self.w.show() # 显示主窗体 + + # 新增角色 + def addAdmin(self): + self.aw = AddAdmin() # 创建主窗体对象，实例化Ui_MainWindow + self.w = QMainWindow() # 实例化QMainWindow类 + self.aw.setupUi(self.w) # 主窗体对象调用setupUi方法，对QMainWindow对象进行设置 + self.w.show() # 显示主窗体 + + # 导入数据 + def open_file(self, flag): + """ + :param flag: xx管理 + :return: + """ + data_format = '' + if flag == C.FLAG_STUDENT: + data_format = '姓名/学号/性别/班级' + elif flag == C.FLAG_GRADE: + data_format = '姓名/学号/语文成绩/数学成绩/英语成绩' + QMessageBox.information(self, '导入', + "请在弹出的文件选择框中选择数据文件（仅支持csv格式文件）！\n 数据格式：%s，从第2行开始读数据" % data_format) + fileName, fileType = QtWidgets.QFileDialog.getOpenFileName(self, "选取文件", os.getcwd()+'/data', "CSV Files(*.csv)") + if fileName == '': + return + try: + data = pd.read_csv(fileName) + except Exception as e: + data = pd.read_csv(fileName, encoding='gbk') + print(e) + + success_count = fail_count = 0 + errText = '' + + for d in data.itertuples(): + try: + # 学生管理 + if flag == C.FLAG_STUDENT: + sex = '1' if d[3] == '男' else '2' + class_ = d[4] + if class_ not in class_dict2.keys(): + fail_count += 1 + errText += '\n %s : 班级[%s]不存在/无权访问！' % (d[1], class_) + continue + else: + class_ = class_dict2[class_] + sql_execute(insertStudent(d[1], d[2], sex, class_)) + success_count += 1 + elif flag == C.FLAG_GRADE: + sql_execute(updateGradeByNum(d[2], d[3], d[4], d[5])) + success_count += 1 + except Exception as e: + fail_count += 1 + errText += '\n %s : %s' % (d[1], e) + + if fail_count > 0: + QMessageBox.about(self, '导入完成', + "数据成功导入%d条，失败%d条。\n错误信息如下：%s" % (success_count, fail_count, errText)) + else: + QMessageBox.about(self, '导入成功', "成功导入数据%d条！" % success_count) + # 刷新列表 + self.getDataList(flag) + + # 数据导出 + def data_export(self, flag): + """ + :param flag: xx管理 + :return: + """ + global data_list + self.getDataList(flag) + filename = '' + columns = [] + if flag == C.FLAG_STUDENT: + filename = 'Students' + columns = ['姓名', '学号', '性别', '班级'] + elif flag == C.FLAG_GRADE: + filename = 'Grade' + columns = ['姓名', '学号', '语文成绩', '数学成绩', '英语成绩', '总分', '排名'] + # 保存文件对话框 + file_path = QFileDialog.getSaveFileName(self, "数据导出", "data/%s.csv" % filename, + "CSV Files(*.csv);;all files(*.*)") + if file_path[0] == '': + return + try: + save_data = pd.DataFrame(columns=columns) + for index, data in enumerate(data_list): + d = [] + if flag == C.FLAG_STUDENT: + sex = '男' if data[3] == 1 else '女' + class_ = data[4] + if class_ not in class_dict.keys(): + class_ = '/' + else: + class_ = class_dict[class_] + d = [data[1], data[2], sex, class_] + elif flag == C.FLAG_GRADE: + total = int(data[5]) + int(data[6]) + int(data[7]) + d = [data[1], data[2], data[5], data[6], data[7], total, index + 1] + save_data.loc[index] = d + save_data.to_csv(file_path[0], index=False) + QMessageBox.about(self, '成功', "数据成功导出至：%s" % file_path[0]) + except Exception as e: + QMessageBox.critical(self, '保存失败', "保存失败：%s" % e) + print(e) + + +def main(): + app = QtWidgets.QApplication(sys.argv) + gui = MainUi() + gui.show() + sys.exit(app.exec_()) + + +# 测试用入口 +if __name__ == '__main__': + main()