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import json
class MysqlDatabases:
def __init__(self):
self.users = json.loads(open('users.json',mode='r',encoding='utf-8').read())
self.cake = json.loads(open('cake.json', mode='r', encoding='utf-8').read())
def check_login(self,username,password):
for user in self.users:
if username == user['username']:
if password == user['password']:
return True,'登录成功'
return False,'登录失败,密码不存在'
def check_register(self,username):
for user in self.users:
if username == user['username']:
return False, '注册失败,用户已存在'
return True, '注册成功'
def all(self):
return self.cake
def insert(self,student):
self.cake.append(student)
def delete_by_username(self,name):
for student in self.cake:
print(student)
if student['name'] == name:
self.cake.remove(student)
return True,f'{name}删除成功'
return False,f'{name}不存在'
def search_by_username(self,name):
for student in self.cake:
if student['name'] == name:
return True,student
return False,f'{name}不存在'
def update(self,stu):
for student in self.cake:
if student['name'] == stu['name']:
student.update(stu)
return True,f''
return False,f'{stu["name"]}不存在'
db = MysqlDatabases()
if __name__ =='__main__':
print(db.check_login('admin','123456'))
print(db.all())