def create_stu_gra(): stu = Students() stu.s_name = '李哥' stu.s_age = 27 stu.s_g = 3 stu.save() return '一对多一个学生添加成功'
def create_stu_many(): # 实现创建多个功能 names = ['贪狼', '释天', '无相', '青冥', '太上', '无为', '北斗', '七殇', '三才', '布衣'] stu_list = [] for name in names: stu = Students() stu.s_name = name # 避免多次IO操作 # stu.save() stu_list.append(stu) db.session.add_all(stu_list) db.session.commit() return '创建多个学生信息成功'
def create_stu_many(): # 实现创建多个功能 names = ['纳兰', '性德', '容若', '太白', '牧之', '青莲', '武斗', '南山', '一笑', '殺'] stu_list = [] for name in names: stu = Students() stu.s_name = name # 避免多次IO操作 # stu.save() stu_list.append(stu) db.session.add_all(stu_list) db.session.commit() return '创建多个学生信息成功'
def create_stu_all(): # 批量创建,add_all() names = ['小王', '老王', '厂长', '李哥', '小花'] stu_list = [] for name in names: stu = Students() stu.s_name = name # stu.save() # db.session.add(stu) stu_list.append(stu) db.session.add_all(stu_list) db.session.commit() return '批量创建学生信息成功'
def create_stus_gra(): names = ['老王', '55开', 'uzi', '大哥', '麻辣香锅', 'god', 'wawa'] stu_list = [] i = 1 for name in names: stu = Students() stu.s_name = name stu.s_g = i % 5 + 1 i += 1 stu_list.append(stu) db.session.add_all(stu_list) db.session.commit() return '一对多批量学生添加成功'
def create_stu(): # 实现创建功能 stu = Students() stu.s_name = '小明1' stu.save() return '创建学生信息成功'
def create_stu(): # 实现学生对象的创建 stu = Students() stu.s_name = '小明' stu.save() return '创建学生信息成功'