<pre><code>
# 排课系统主要功能模块
class CourseScheduler:
def __init__(self, courses, rooms, instructors):
self.courses = courses
self.rooms = rooms
self.instructors = instructors
def generate_schedule(self):
# 遗传算法初始化
population = self._initialize_population()
best_schedule = None
best_fitness = float("inf")
for generation in range(100): # 迭代100次
population = self._evolve(population)
current_best = min(population, key=lambda x: self._fitness(x))
if self._fitness(current_best) < best_fitness:
best_fitness = self._fitness(current_best)
best_schedule = current_best
return best_schedule
def _initialize_population(self):
# 初始化种群
pass
def _evolve(self, population):
# 遗传算法进化过程
pass
def _fitness(self, schedule):
# 计算适应度函数
pass
# 数据库操作示例
import sqlite3
def create_db():
conn = sqlite3.connect('kunming_courses.db')
c = conn.cursor()
c.execute('''CREATE TABLE IF NOT EXISTS Courses
(ID INTEGER PRIMARY KEY, Name TEXT, InstructorID INTEGER, RoomID INTEGER, TimeSlot INTEGER)''')
conn.commit()
conn.close()
def insert_course(course_name, instructor_id, room_id, time_slot):
conn = sqlite3.connect('kunming_courses.db')
c = conn.cursor()
c.execute("INSERT INTO Courses (Name, InstructorID, RoomID, TimeSlot) VALUES (?, ?, ?, ?)",
(course_name, instructor_id, room_id, time_slot))
conn.commit()
conn.close()
# 使用示例
create_db()
insert_course('Python编程', 1, 1, 1)
</code></pre>

本站部分内容及素材来源于互联网,如有侵权,联系必删!
客服经理