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107 lines
4.1 KiB
107 lines
4.1 KiB
"""
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学生管理组件
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"""
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from PyQt5.QtWidgets import (QWidget, QVBoxLayout, QHBoxLayout, QTableWidget, QTableWidgetItem, QPushButton,
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QFileDialog, QMessageBox, QHeaderView, QLabel)
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from PyQt5.QtCore import Qt
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from frontend.utils.api_client import APIClient
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class StudentManagementWidget(QWidget):
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"""学生管理界面"""
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def __init__(self, api_client: APIClient, parent=None):
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super().__init__(parent)
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self.api_client = api_client
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self.init_ui()
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self.load_students()
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def init_ui(self):
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"""初始化界面"""
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layout = QVBoxLayout()
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# 标题
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title = QLabel("学生管理")
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title.setStyleSheet("font-size: 18px; font-weight: bold; margin: 10px;")
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layout.addWidget(title)
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# 按钮栏
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button_layout = QHBoxLayout()
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self.import_btn = QPushButton("导入Excel")
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self.import_btn.clicked.connect(self.import_excel)
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button_layout.addWidget(self.import_btn)
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self.refresh_btn = QPushButton("刷新")
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self.refresh_btn.clicked.connect(self.load_students)
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button_layout.addWidget(self.refresh_btn)
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self.delete_btn = QPushButton("删除选中")
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self.delete_btn.clicked.connect(self.delete_selected)
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button_layout.addWidget(self.delete_btn)
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button_layout.addStretch()
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layout.addLayout(button_layout)
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# 表格
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self.table = QTableWidget()
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self.table.setColumnCount(5)
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self.table.setHorizontalHeaderLabels(["ID", "学号", "姓名", "专业", "总积分"])
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self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
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self.table.setSelectionBehavior(QTableWidget.SelectRows)
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layout.addWidget(self.table)
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self.setLayout(layout)
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def load_students(self):
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"""加载学生列表"""
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try:
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students = self.api_client.get_students()
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self.table.setRowCount(len(students))
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for row, student in enumerate(students):
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self.table.setItem(row, 0, QTableWidgetItem(str(student['id'])))
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self.table.setItem(row, 1, QTableWidgetItem(student['student_id']))
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self.table.setItem(row, 2, QTableWidgetItem(student['name']))
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self.table.setItem(row, 3, QTableWidgetItem(student.get('major', '')))
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self.table.setItem(row, 4, QTableWidgetItem(str(student['total_score'])))
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QMessageBox.information(self, "成功", f"已加载{len(students)}名学生")
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except Exception as e:
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QMessageBox.critical(self, "错误", f"加载学生列表失败: {str(e)}")
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def import_excel(self):
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"""导入Excel文件"""
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file_path, _ = QFileDialog.getOpenFileName(self, "选择Excel文件", "", "Excel Files (*.xlsx *.xls)")
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if not file_path:
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return
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try:
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result = self.api_client.import_students_from_excel(file_path)
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QMessageBox.information(
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self, "导入成功", f"{result['message']}\n成功: {result['imported_count']}, 失败: {result['failed_count']}")
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self.load_students()
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except Exception as e:
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QMessageBox.critical(self, "导入失败", f"导入Excel文件失败: {str(e)}")
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def delete_selected(self):
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"""删除选中的学生"""
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current_row = self.table.currentRow()
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if current_row < 0:
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QMessageBox.warning(self, "提示", "请先选择要删除的学生")
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return
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student_id = int(self.table.item(current_row, 0).text())
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student_name = self.table.item(current_row, 2).text()
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reply = QMessageBox.question(self, "确认删除", f"确定要删除学生 {student_name} 吗？", QMessageBox.Yes | QMessageBox.No)
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if reply == QMessageBox.Yes:
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try:
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self.api_client.delete_student(student_id)
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QMessageBox.information(self, "成功", "删除成功")
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self.load_students()
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except Exception as e:
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QMessageBox.critical(self, "错误", f"删除失败: {str(e)}")
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