ADD file via upload

db.py

@@ -0,0 +1,55 @@
+import json
+
+
+class MysqlDatabases:
+    def __init__(self):
+        self.users = json.loads(open('users.json', mode='r', encoding='utf-8').read())
+        self.bkuser = json.loads(open('bkuser.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'
+                else:
+                    return False, '登录失败，密码不存在'
+        return False, '登录失败，用户不存在'
+
+    def all(self):
+        return self.bkuser
+
+    def insert(self, bk):
+        self.bkuser.append(bk)
+
+    def delete_by_username(self, name):
+        for bk in self.bkuser:
+            print(bk)
+            if bk['name'] == name:
+                self.bkuser.remove(bk)
+                return True, f'{name}删除用户成功'
+        return False, f'{name}用户不存在'
+
+    def search_by_username(self, name):
+        for bk in self.bkuser:
+            print(bk)
+            if bk['name'] == name:
+                return True, bk
+        return False, f'{name}用户不存在'
+
+    def update(self, bk1):
+        for bk in self.bkuser:
+            if bk['name'] == bk1['name']:
+                bk.update(bk1)
+                return True, f'{bk1["name"]}用户修改数据成功'
+        return False, f'{bk1["name"]}用户不存在'
+
+    def register(self,user1):
+        pass
+
+
+db = MysqlDatabases()
+
+if __name__ == '__main__':
+    # print(db.check_login('admin','123456'))
+    # print(db.all())
+    print(db.search_by_username('张三'))