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53 lines
1.6 KiB
53 lines
1.6 KiB
6 months ago
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import json
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class MysqlDatabase:
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def __init__(self):
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self.users = json.loads(open('users.json', mode='r',encoding='utf-8').read())
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self.students = json.loads(open('students.json', mode='r', encoding='utf-8').read())
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def check_login(self,username,password):
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for user in self.users:
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if username == user['username']:
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if password == user['password']:
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return True,'登陆成功'
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else:
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return False,'登录失败，密码错误'
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return False,'登录失败，用户不存在'
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def all(self):
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return self.students
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def insert(self,student):
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self.students.append(student)
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def delete_by_username(self,name):
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for student in self.students:
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print(student)
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if student['name'] == name:
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self.students.remove(student)
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return True,f'{name}删除学生成功'
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return False,f'{name}学生不存在'
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def search_by_username(self,name):
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for student in self.students:
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if student['name'] == name:
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return True, student
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return False,f'{name}学生不存在'
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def update(self,stu):
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for student in self.students:
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if student['name'] == stu['name']:
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student.update(stu)
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return True,f'{stu["name"]} 学生数据修改成功'
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return False,f'{stu["name"]} 学生不存在'
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db = MysqlDatabase()
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if __name__ == '__main__':
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db.check_login('admin','password')
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print(db.all())
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