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@ -1,8 +0,0 @@
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||||
# 默认忽略的文件
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/shelf/
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/workspace.xml
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# 基于编辑器的 HTTP 客户端请求
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/httpRequests/
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# Datasource local storage ignored files
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/dataSources/
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/dataSources.local.xml
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@ -1,8 +0,0 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<module type="PYTHON_MODULE" version="4">
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||||
<component name="NewModuleRootManager">
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||||
<content url="file://$MODULE_DIR$" />
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||||
<orderEntry type="jdk" jdkName="Python 3.11 (PyCharmMiscProject)" jdkType="Python SDK" />
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||||
<orderEntry type="sourceFolder" forTests="false" />
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||||
</component>
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||||
</module>
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||||
@ -1,6 +0,0 @@
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||||
<component name="InspectionProjectProfileManager">
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||||
<settings>
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||||
<option name="USE_PROJECT_PROFILE" value="false" />
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||||
<version value="1.0" />
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||||
</settings>
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||||
</component>
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||||
@ -1,6 +0,0 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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||||
<component name="Black">
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||||
<option name="sdkName" value="Python 3.11 (PyCharmMiscProject)" />
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||||
</component>
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||||
</project>
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@ -1,8 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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||||
<project version="4">
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||||
<component name="ProjectModuleManager">
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<modules>
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||||
<module fileurl="file://$PROJECT_DIR$/.idea/PythonProject1.iml" filepath="$PROJECT_DIR$/.idea/PythonProject1.iml" />
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</modules>
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</component>
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||||
</project>
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@ -1,6 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="$PROJECT_DIR$" vcs="Git" />
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</component>
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</project>
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@ -1,92 +0,0 @@
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time import date
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from typing import List, Optional
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from dal.StudentDAL import StudentDAL
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from student.Student import Student
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class StudentBLL:
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def __init__(self, dal: StudentDAL):
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self.dal = dal
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def add_student(self, student: Student):
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if not student.is_valid:
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errors = ", ".join(student.get_errors())
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raise ValueError(f"学生数据校验失败: {errors}")
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if not self.dal.add_student(student):
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raise ValueError("添加失败，身份证号或学号可能已存在")
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def delete_student(self, stu_id: str):
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if not self.dal.delete_student(stu_id):
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raise ValueError(f"找不到学号为 {stu_id} 的学生")
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def update_student(self, stu_id: str, student: Student):
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if not student.is_valid:
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errors = ", ".join(student.get_errors())
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raise ValueError(f"学生数据校验失败: {errors}")
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if not self.dal.update_student(stu_id, student):
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raise ValueError(f"找不到学号为 {stu_id} 的学生")
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def get_student_by_id_card(self, id_card: str) -> Optional[Student]:
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return self.dal.get_by_id_card(id_card)
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def get_student_by_stu_id(self, stu_id: str) -> Optional[Student]:
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return self.dal.get_by_stu_id(stu_id)
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def get_all_students(self) -> List[Student]:
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return self.dal.get_all()
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def search_students(self, search_type: str, keyword: str) -> List[Student]:
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search_type = search_type.lower()
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if search_type == 'name':
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return self.dal.search_by_name(keyword)
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elif search_type == 'class':
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return self.dal.search_by_class(keyword)
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elif search_type == 'major':
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return self.dal.search_by_major(keyword)
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else:
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return []
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def get_student_count(self) -> int:
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return self.dal.get_student_count()
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def get_major_counts(self) -> dict:
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return self.dal.get_major_counts()
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def calculate_avg_height(self) -> float:
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students = self.dal.get_all()
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heights = [s.height for s in students if s.height is not None]
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if not heights:
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return 0.0
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return sum(heights) / len(heights)
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def calculate_avg_weight(self) -> float:
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students = self.dal.get_all()
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weights = [s.weight for s in students if s.weight is not None]
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if not weights:
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return 0.0
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return sum(weights) / len(weights)
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def get_students_by_age(self, min_age: int, max_age: int) -> List[Student]:
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today = date.today()
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students = self.dal.get_all()
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result = []
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for student in students:
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if student.age is None:
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continue
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if min_age <= student.age <= max_age:
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result.append(student)
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return result
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def export_data(self, file_path: str) -> bool:
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return self.dal.export_data(file_path)
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def import_data(self, file_path: str) -> bool:
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return self.dal.import_data(file_path)
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def clear_all(self) -> bool:
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return self.dal.clear_all()
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@ -1,157 +0,0 @@
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import os
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import json
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from datetime import date
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from typing import List, Optional
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from student.Student import Student
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class StudentDAL:
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def __init__(self, file_path: str):
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self.file_path = file_path
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self._ensure_file_exists()
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def _ensure_file_exists(self):
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"""确保文件存在"""
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if not os.path.exists(self.file_path):
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os.makedirs(os.path.dirname(self.file_path), exist_ok=True)
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with open(self.file_path, 'w', encoding='utf-8') as f:
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json.dump([], f)
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def _load_data(self) -> List[dict]:
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"""加载数据"""
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try:
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with open(self.file_path, 'r', encoding='utf-8') as f:
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return json.load(f)
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except (FileNotFoundError, json.JSONDecodeError):
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return []
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def _save_data(self, data: List[dict]):
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"""保存数据"""
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with open(self.file_path, 'w', encoding='utf-8') as f:
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json.dump(data, f, ensure_ascii=False, indent=4)
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def add_student(self, student: Student) -> bool:
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data = self._load_data()
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# 检查身份证号是否唯一
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if any(s['id_card'] == student.id_card for s in data):
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return False
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# 检查学号是否唯一
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if any(s['stu_id'] == student.stu_id for s in data):
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return False
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data.append(student.to_dict())
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self._save_data(data)
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return True
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def get_by_id_card(self, id_card: str) -> Optional[Student]:
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data = self._load_data()
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for student_dict in data:
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if student_dict['id_card'] == id_card:
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return Student.from_dict(student_dict)
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return None
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def get_by_stu_id(self, stu_id: str) -> Optional[Student]:
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data = self._load_data()
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for student_dict in data:
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if student_dict['stu_id'] == stu_id:
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return Student.from_dict(student_dict)
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return None
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def get_all(self) -> List[Student]:
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return [Student.from_dict(d) for d in self._load_data()]
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def update_student(self, stu_id: str, student: Student) -> bool:
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data = self._load_data()
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updated = False
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for i, student_dict in enumerate(data):
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if student_dict['stu_id'] == stu_id:
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# 保留原始身份证号
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new_data = student.to_dict()
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new_data['id_card'] = student_dict['id_card']
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data[i] = new_data
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updated = True
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break
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if updated:
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self._save_data(data)
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return updated
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def delete_student(self, stu_id: str) -> bool:
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data = self._load_data()
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original_count = len(data)
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data = [s for s in data if s['stu_id'] != stu_id]
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if len(data) < original_count:
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self._save_data(data)
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return True
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return False
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def search_by_name(self, name: str) -> List[Student]:
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data = self._load_data()
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name_lower = name.lower()
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return [
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Student.from_dict(d)
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for d in data
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if name_lower in d['name'].lower()
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]
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def search_by_class(self, class_name: str) -> List[Student]:
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data = self._load_data()
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class_lower = class_name.lower()
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return [
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Student.from_dict(d)
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for d in data
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if d.get('class_name') and class_lower in d['class_name'].lower()
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]
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def search_by_major(self, major: str) -> List[Student]:
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data = self._load_data()
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major_lower = major.lower()
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return [
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Student.from_dict(d)
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for d in data
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if d.get('major') and major_lower in d['major'].lower()
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]
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def get_student_count(self) -> int:
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return len(self._load_data())
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def get_major_counts(self) -> dict:
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data = self._load_data()
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counts = {}
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for student_dict in data:
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major = student_dict.get('major', '未指定')
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counts[major] = counts.get(major, 0) + 1
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return counts
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def clear_all(self) -> bool:
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self._save_data([])
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return True
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def export_data(self, file_path: str) -> bool:
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data = self._load_data()
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try:
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with open(file_path, 'w', encoding='utf-8') as f:
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json.dump(data, f, ensure_ascii=False, indent=4)
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return True
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except Exception:
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return False
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def import_data(self, file_path: str) -> bool:
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try:
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with open(file_path, 'r', encoding='utf-8') as f:
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new_data = json.load(f)
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current_data = self._load_data()
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current_ids = {s['id_card'] for s in current_data}
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# 只导入不重复的学生
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to_import = [s for s in new_data if s['id_card'] not in current_ids]
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self._save_data(current_data + to_import)
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return True
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except Exception:
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return False
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@ -1,22 +0,0 @@
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from dal.StudentDAL import StudentDAL
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from bll.StudentBLL import StudentBLL
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from tui.StudentTUI import StudentTUI
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def main():
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# 初始化数据访问层
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dal = StudentDAL("data/students.json")
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# 初始化业务逻辑层
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bll = StudentBLL(dal)
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# 初始化用户界面
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tui = StudentTUI(bll)
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||||
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# 启动系统
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tui.run()
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||||
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if __name__ == "__main__":
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main()
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@ -1,123 +0,0 @@
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import csv
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||||
import json
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||||
import os
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||||
import sqlite3
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||||
from abc import ABC, abstractmethod
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from datetime import date
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||||
from typing import List, Optional, Union
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||||
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||||
# 学生类定义
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class Student:
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||||
def __init__(self,
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name: str,
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id_card: str,
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||||
stu_id: str,
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gender: Optional[bool] = None,
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||||
height: Optional[int] = None,
|
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weight: Optional[float] = None,
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enrollment_date: Optional[Union[date, str]] = None,
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class_name: Optional[str] = None,
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||||
major: str = None):
|
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self.name = name
|
||||
self.id_card = id_card
|
||||
self.stu_id = stu_id
|
||||
self.gender = gender
|
||||
self.height = height
|
||||
self.weight = weight
|
||||
if isinstance(enrollment_date, str):
|
||||
self.enrollment_date = date.fromisoformat(enrollment_date)
|
||||
else:
|
||||
self.enrollment_date = enrollment_date
|
||||
self.class_name = class_name
|
||||
self.major = major
|
||||
self.age, self.birthday = self._calculate_age_and_birthday()
|
||||
self._validation_errors = []
|
||||
self._validate_all()
|
||||
|
||||
def _calculate_age_and_birthday(self):
|
||||
birth_year = int(self.id_card[6:10])
|
||||
birth_month = int(self.id_card[10:12])
|
||||
birth_day = int(self.id_card[12:14])
|
||||
birthday = date(birth_year, birth_month, birth_day)
|
||||
today = date.today()
|
||||
age = today.year - birth_year
|
||||
if (today.month, today.day) < (birth_month, birth_day):
|
||||
age -= 1
|
||||
return age, birthday
|
||||
|
||||
def _validate_all(self):
|
||||
self._validate_id_card()
|
||||
self._validate_stu_id()
|
||||
self._validate_name()
|
||||
self._validate_enrollment_date()
|
||||
self._validate_height()
|
||||
self._validate_weight()
|
||||
|
||||
def _validate_id_card(self):
|
||||
if len(self.id_card) != 18:
|
||||
self._validation_errors.append("身份证号必须为18位")
|
||||
# 简单的校验位验证，可根据国家标准完善
|
||||
try:
|
||||
int(self.id_card[:17])
|
||||
except ValueError:
|
||||
self._validation_errors.append("身份证号前17位必须为数字")
|
||||
|
||||
def _validate_stu_id(self):
|
||||
if not self.stu_id:
|
||||
self._validation_errors.append("学号不能为空")
|
||||
|
||||
def _validate_name(self):
|
||||
if not (2 <= len(self.name) <= 20):
|
||||
self._validation_errors.append("姓名长度需在2-20个字符之间")
|
||||
if any(char.isdigit() or not char.isalpha() for char in self.name):
|
||||
self._validation_errors.append("姓名不能包含数字和特殊符号")
|
||||
|
||||
def _validate_enrollment_date(self):
|
||||
if self.enrollment_date and self.enrollment_date < self.birthday:
|
||||
self._validation_errors.append("入学日期不能早于出生日期")
|
||||
|
||||
def _validate_height(self):
|
||||
if self.height is not None and not (50 <= self.height <= 250):
|
||||
self._validation_errors.append("身高需在50-250cm之间")
|
||||
|
||||
def _validate_weight(self):
|
||||
if self.weight is not None and not (5 <= self.weight <= 300):
|
||||
self._validation_errors.append("体重需在5-300kg之间")
|
||||
|
||||
@property
|
||||
def is_valid(self):
|
||||
return len(self._validation_errors) == 0
|
||||
|
||||
def get_errors(self):
|
||||
return self._validation_errors.copy()
|
||||
|
||||
def to_dict(self):
|
||||
return {
|
||||
'name': self.name,
|
||||
'id_card': self.id_card,
|
||||
'stu_id': self.stu_id,
|
||||
'gender': self.gender,
|
||||
'height': self.height,
|
||||
'weight': self.weight,
|
||||
'enrollment_date': self.enrollment_date.isoformat() if self.enrollment_date else None,
|
||||
'class_name': self.class_name,
|
||||
'major': self.major,
|
||||
'age': self.age,
|
||||
'birthday': self.birthday.isoformat()
|
||||
}
|
||||
|
||||
@classmethod
|
||||
def from_dict(cls, data):
|
||||
return cls(
|
||||
name=data['name'],
|
||||
id_card=data['id_card'],
|
||||
stu_id=data['stu_id'],
|
||||
gender=data['gender'],
|
||||
height=data['height'],
|
||||
weight=data['weight'],
|
||||
enrollment_date=data['enrollment_date'],
|
||||
class_name=data['class_name'],
|
||||
major=data['major']
|
||||
)
|
||||
|
||||
@ -1,292 +0,0 @@
|
||||
from datetime import date
|
||||
from bll.StudentBLL import StudentBLL
|
||||
from dal.StudentDAL import StudentDAL
|
||||
from student.Student import Student
|
||||
|
||||
|
||||
class StudentTUI:
|
||||
def __init__(self, bll: StudentBLL):
|
||||
self.bll = bll
|
||||
|
||||
def display_menu(self):
|
||||
print("\n===== 学生信息管理系统 =====")
|
||||
print("1. 添加学生")
|
||||
print("2. 删除学生")
|
||||
print("3. 更新学生")
|
||||
print("4. 查询学生")
|
||||
print("5. 统计分析")
|
||||
print("6. 导入导出")
|
||||
print("7. 清空数据")
|
||||
print("0. 退出系统")
|
||||
print("==========================")
|
||||
|
||||
def run(self):
|
||||
while True:
|
||||
self.display_menu()
|
||||
choice = input("请选择操作: ").strip()
|
||||
|
||||
if choice == "0":
|
||||
print("再见！")
|
||||
break
|
||||
elif choice == "1":
|
||||
self.add_student()
|
||||
elif choice == "2":
|
||||
self.delete_student()
|
||||
elif choice == "3":
|
||||
self.update_student()
|
||||
elif choice == "4":
|
||||
self.query_students()
|
||||
elif choice == "5":
|
||||
self.show_stats()
|
||||
elif choice == "6":
|
||||
self.import_export()
|
||||
elif choice == "7":
|
||||
self.clear_data()
|
||||
else:
|
||||
print("无效选择，请重试")
|
||||
|
||||
def add_student(self):
|
||||
print("\n--- 添加学生 ---")
|
||||
name = input("姓名: ").strip()
|
||||
id_card = input("身份证号: ").strip()
|
||||
stu_id = input("学号: ").strip()
|
||||
gender = self.input_gender()
|
||||
height = self.input_int("身高(cm): ")
|
||||
weight = self.input_float("体重(kg): ")
|
||||
enrollment_date = self.input_date("入学日期(YYYY-MM-DD): ")
|
||||
class_name = input("班级: ").strip()
|
||||
major = input("专业: ").strip()
|
||||
|
||||
try:
|
||||
student = Student(
|
||||
name=name,
|
||||
id_card=id_card,
|
||||
stu_id=stu_id,
|
||||
gender=gender,
|
||||
height=height,
|
||||
weight=weight,
|
||||
enrollment_date=enrollment_date,
|
||||
class_name=class_name,
|
||||
major=major
|
||||
)
|
||||
self.bll.add_student(student)
|
||||
print("添加成功！")
|
||||
except ValueError as e:
|
||||
print(f"添加失败: {e}")
|
||||
|
||||
def input_gender(self):
|
||||
"""输入性别"""
|
||||
while True:
|
||||
gender = input("性别(1.男 2.女 3.跳过): ").strip()
|
||||
if gender == '1':
|
||||
return True
|
||||
elif gender == '2':
|
||||
return False
|
||||
elif gender == '3':
|
||||
return None
|
||||
else:
|
||||
print("无效选择，请重新输入")
|
||||
|
||||
def input_int(self, prompt: str):
|
||||
"""输入整数"""
|
||||
while True:
|
||||
value = input(prompt).strip()
|
||||
try:
|
||||
return int(value) if value else None
|
||||
except ValueError:
|
||||
print("请输入有效的整数")
|
||||
|
||||
def input_float(self, prompt: str):
|
||||
"""输入浮点数"""
|
||||
while True:
|
||||
value = input(prompt).strip()
|
||||
try:
|
||||
return float(value) if value else None
|
||||
except ValueError:
|
||||
print("请输入有效的数字")
|
||||
|
||||
def input_date(self, prompt: str):
|
||||
"""输入日期"""
|
||||
while True:
|
||||
try:
|
||||
date_str = input(prompt).strip()
|
||||
if not date_str:
|
||||
return None
|
||||
return date.fromisoformat(date_str)
|
||||
except ValueError:
|
||||
print("日期格式应为YYYY-MM-DD")
|
||||
|
||||
def delete_student(self):
|
||||
print("\n--- 删除学生 ---")
|
||||
stu_id = input("请输入学号: ").strip()
|
||||
try:
|
||||
self.bll.delete_student(stu_id)
|
||||
print("删除成功！")
|
||||
except ValueError as e:
|
||||
print(f"删除失败: {e}")
|
||||
|
||||
def update_student(self):
|
||||
print("\n--- 更新学生 ---")
|
||||
stu_id = input("请输入学号: ").strip()
|
||||
student = self.bll.get_student_by_stu_id(stu_id)
|
||||
|
||||
if not student:
|
||||
print("学生不存在")
|
||||
return
|
||||
|
||||
print(f"当前信息: {student}")
|
||||
name = input(f"新姓名({student.name}): ").strip() or student.name
|
||||
id_card = input(f"新身份证号({student.id_card}): ").strip() or student.id_card
|
||||
new_stu_id = input(f"新学号({student.stu_id}): ").strip() or student.stu_id
|
||||
gender = self.input_gender_update(student.gender)
|
||||
height = self.input_int(f"新身高({student.height}): ") or student.height
|
||||
weight = self.input_float(f"新体重({student.weight}): ") or student.weight
|
||||
enrollment_date = self.input_date_update(student.enrollment_date)
|
||||
class_name = input(f"新班级({student.class_name}): ").strip() or student.class_name
|
||||
major = input(f"新专业({student.major}): ").strip() or student.major
|
||||
|
||||
try:
|
||||
updated_student = Student(
|
||||
name=name,
|
||||
id_card=id_card,
|
||||
stu_id=new_stu_id,
|
||||
gender=gender,
|
||||
height=height,
|
||||
weight=weight,
|
||||
enrollment_date=enrollment_date,
|
||||
class_name=class_name,
|
||||
major=major
|
||||
)
|
||||
|
||||
# 如果学号改变了，需要先删除旧记录
|
||||
if new_stu_id != stu_id:
|
||||
self.bll.delete_student(stu_id)
|
||||
|
||||
self.bll.add_student(updated_student)
|
||||
print("更新成功！")
|
||||
except ValueError as e:
|
||||
print(f"更新失败: {e}")
|
||||
|
||||
def input_gender_update(self, current_gender):
|
||||
current = "男" if current_gender is True else "女" if current_gender is False else "未指定"
|
||||
print(f"当前性别: {current}")
|
||||
return self.input_gender()
|
||||
|
||||
def input_date_update(self, current_date):
|
||||
"""输入日期（更新时）"""
|
||||
if current_date:
|
||||
print(f"当前日期: {current_date.isoformat()}")
|
||||
return self.input_date("新的日期(YYYY-MM-DD): ") or current_date
|
||||
|
||||
def query_students(self):
|
||||
print("\n--- 查询学生 ---")
|
||||
print("1. 按身份证号查询")
|
||||
print("2. 按学号查询")
|
||||
print("3. 按姓名查询")
|
||||
print("4. 按班级查询")
|
||||
print("5. 按专业查询")
|
||||
print("6. 所有学生")
|
||||
choice = input("请选择查询方式: ").strip()
|
||||
|
||||
students = []
|
||||
if choice == "1":
|
||||
id_card = input("请输入身份证号: ").strip()
|
||||
student = self.bll.get_student_by_id_card(id_card)
|
||||
if student:
|
||||
students = [student]
|
||||
elif choice == "2":
|
||||
stu_id = input("请输入学号: ").strip()
|
||||
student = self.bll.get_student_by_stu_id(stu_id)
|
||||
if student:
|
||||
students = [student]
|
||||
elif choice == "3":
|
||||
name = input("请输入姓名: ").strip()
|
||||
students = self.bll.search_students('name', name)
|
||||
elif choice == "4":
|
||||
class_name = input("请输入班级: ").strip()
|
||||
students = self.bll.search_students('class', class_name)
|
||||
elif choice == "5":
|
||||
major = input("请输入专业: ").strip()
|
||||
students = self.bll.search_students('major', major)
|
||||
elif choice == "6":
|
||||
students = self.bll.get_all_students()
|
||||
else:
|
||||
print("无效选择")
|
||||
return
|
||||
|
||||
self.print_students(students)
|
||||
|
||||
def print_students(self, students):
|
||||
if not students:
|
||||
print("没有找到学生")
|
||||
return
|
||||
|
||||
print("\n身份证号\t学号\t姓名\t性别\t身高\t体重\t班级\t专业\t年龄")
|
||||
print("=" * 100)
|
||||
for s in students:
|
||||
gender = "男" if s.gender is True else "女" if s.gender is False else "未知"
|
||||
print(f"{s.id_card}\t{s.stu_id}\t{s.name}\t{gender}\t"
|
||||
f"{s.height or '--'}\t{s.weight or '--'}\t"
|
||||
f"{s.class_name or '--'}\t{s.major or '--'}\t"
|
||||
f"{s.age or '--'}")
|
||||
print(f"共找到 {len(students)} 名学生")
|
||||
|
||||
def show_stats(self):
|
||||
print("\n--- 统计分析 ---")
|
||||
print("1. 学生总数")
|
||||
print("2. 专业分布")
|
||||
print("3. 平均身高")
|
||||
print("4. 平均体重")
|
||||
print("5. 按年龄范围查询")
|
||||
choice = input("请选择统计项目: ").strip()
|
||||
|
||||
if choice == "1":
|
||||
count = self.bll.get_student_count()
|
||||
print(f"学生总数: {count}")
|
||||
elif choice == "2":
|
||||
major_counts = self.bll.get_major_counts()
|
||||
print("\n专业分布:")
|
||||
for major, count in major_counts.items():
|
||||
print(f" {major}: {count}人")
|
||||
elif choice == "3":
|
||||
avg_height = self.bll.calculate_avg_height()
|
||||
print(f"平均身高: {avg_height:.1f} cm")
|
||||
elif choice == "4":
|
||||
avg_weight = self.bll.calculate_avg_weight()
|
||||
print(f"平均体重: {avg_weight:.1f} kg")
|
||||
elif choice == "5":
|
||||
min_age = int(input("最小年龄: "))
|
||||
max_age = int(input("最大年龄: "))
|
||||
students = self.bll.get_students_by_age(min_age, max_age)
|
||||
self.print_students(students)
|
||||
else:
|
||||
print("无效选择")
|
||||
|
||||
def import_export(self):
|
||||
print("\n--- 导入导出 ---")
|
||||
print("1. 导出数据")
|
||||
print("2. 导入数据")
|
||||
choice = input("请选择操作: ").strip()
|
||||
|
||||
if choice == "1":
|
||||
file_path = input("导出文件路径: ").strip()
|
||||
if self.bll.export_data(file_path):
|
||||
print("导出成功！")
|
||||
else:
|
||||
print("导出失败")
|
||||
elif choice == "2":
|
||||
file_path = input("导入文件路径: ").strip()
|
||||
if self.bll.import_data(file_path):
|
||||
print("导入成功！")
|
||||
else:
|
||||
print("导入失败")
|
||||
else:
|
||||
print("无效选择")
|
||||
|
||||
def clear_data(self):
|
||||
confirm = input("确定要清空所有数据吗？(y/n): ").strip().lower()
|
||||
if confirm == 'y':
|
||||
if self.bll.clear_all():
|
||||
print("数据已清空")
|
||||
else:
|
||||
print("清空失败")
|
||||
Binary file not shown.
Loading…
Reference in new issue