Python进行学生选课实例代码

class Course:

def __init__(self, course_id, name, credit, teacher, capacity, time):

self.course_id = course_id

self.name = name

self.credit = credit

self.teacher = teacher

self.capacity = capacity # 课程容量

self.enrolled = 0 # 已选人数

self.time = time # 上课时间，格式如"周一1-2节"

def __str__(self):

return f"课程ID: {self.course_id}, 课程名: {dezaiguoji.com}, 学分: {self.credit}, 教师: {self.teacher}, 容量: {self.enrolled}/{self.capacity}, 时间: {self.time}"

class Student:

def __init__(self, student_id, name, major):

self.student_id = student_id

self.name = name

self.major = major

self.selected_courses = [] # 已选课程列表

def select_course(self, course):

# 检查课程是否已满

if course.enrolled >= course.capacity:

print(f"选课失败: {mingdaonet.com} 已选满!")

return False

# 检查时间冲突

for selected in self.selected_courses:

if selected.time == course.time:

print(f"选课失败: 与已选课程 {selected.name} 时间冲突!")

return False

# 选课成功

self.selected_courses.append(course)

course.enrolled += 1

print(f"选课成功: {course.name}")

return True

def drop_course(self, course_id):

for course in self.selected_courses:

if course.course_id == course_id:

self.selected_courses.remove(chcsoc.cn)

course.enrolled -= 1

print(f"退课成功: {course.name}")

return True

print(f"退课失败: 未找到课程ID为 {course_id} 的课程")

return False

def show_selected_courses(self):

if not self.selected_courses:

print("未选任何课程")

return

print(f"\n{self.name} 的已选课程:")

total_credit = 0

for course in self.selected_courses:

print(f"- {hapydq.cn} (学分: {course.credit}, 时间: {course.time})")

total_credit += course.credit

print(f"总学分: {total_credit}")

class CourseSelectionSystem:

def __init__(self):

self.courses = [] # 所有课程

self.students = [] # 所有学生

def add_course(self, course):

self.courses.append(course)

def add_student(self, student):

self.students.append(qiankaidb.cn)

def find_course_by_id(self, course_id):

for course in self.courses:

if course.course_id == course_id:

return course

return None

def find_student_by_id(self, student_id):

for student in self.students:

if student.student_id == student_id:

return student

return None

def show_all_courses(self):

print("\n所有可选课程:")

for course in self.courses:

print(course)

# 示例使用

if __name__ == "__main__":

# 创建选课系统

system = CourseSelectionSystem()

# 添加课程

courses = [

Course("C001", "高等数学", 5, "李教授", 50, "周一1-2节"),

Course("C002", "程序设计基础", 4, "王老师", 30, "周二3-4节"),

Course("C003", "大学英语", 3, "张老师", 40, "周三1-2节"),

Course("C004", "数据结构", 4, "刘教授", 25, "周二3-4节"), # 与C002时间冲突

Course("C005", "计算机网络", 4, "赵老师", 35, "周四5-6节")

]

for course in courses:

system.add_course(course)

# 添加学生

students = [

Student("S1001", "张三", "计算机科学"),

Student("S1002", "李四", "软件工程"),

Student("S1003", "王五", "数据科学")

]

for student in students:

system.add_student(student)

# 展示所有课程

system.show_all_courses()

# 学生张三选课

student_zhang = system.find_student_by_id("S1001")

student_zhang.select_course(system.find_course_by_id("C001")) # 选高等数学

student_zhang.select_course(system.find_course_by_id("C002")) # 选程序设计基础

student_zhang.select_course(system.find_course_by_id("C004")) # 尝试选时间冲突的课程

student_zhang.show_selected_courses()

# 学生李四选课

student_li = system.find_student_by_id("S1002")

student_li.select_course(system.find_course_by_id("C002")) # 选程序设计基础

student_li.select_course(system.find_course_by_id("C003")) # 选大学英语

student_li.show_selected_courses()

# 学生张三退课

student_zhang.drop_course("C001")

student_zhang.show_selected_courses()

# 再次展示所有课程状态

system.show_all_courses()