first commit

233

@@ -1 +0,0 @@
-Subproject commit 79e6a92078324050b29977f7767f1f03c53f085b

db.py

@@ -1,53 +0,0 @@
-import json
-class MysqlDatabase:
-    def __init__(self):
-        self.users = json.loads(open('users.json', mode='r',encoding='utf-8').read())
-        self.students = json.loads(open('students.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,'登陆成功'
-                else:
-                    return False,'登录失败，密码错误'
-        return False,'登录失败，用户不存在'
-
-    def all(self):
-        return self.students
-
-    def insert(self,student):
-        self.students.append(student)
-
-    def delete_by_username(self,name):
-        for student in self.students:
-            print(student)
-            if student['name'] == name:
-                self.students.remove(student)
-                return True,f'{name}删除学生成功'
-        return False,f'{name}学生不存在'
-
-    def search_by_username(self,name):
-        for student in self.students:
-            if student['name'] == name:
-                return True, student
-        return False,f'{name}学生不存在'
-
-    def update(self,stu):
-        for student in self.students:
-            if student['name'] == stu['name']:
-                student.update(stu)
-                return True,f'{stu["name"]} 学生数据修改成功'
-        return False,f'{stu["name"]} 学生不存在'
-
-
-
-
-db = MysqlDatabase()
-
-
-
-if __name__ == '__main__':
-    db.check_login('admin','password')
-    print(db.all())