feat:添加评论上传功能 未完全完成

db/user.py

@@ -32,4 +32,24 @@ def check(username: str, password: int):
     cursor = c.execute("SELECT * FROM User WHERE username = ? AND password = ?", (username, password))
     if cursor.fetchone() is None:
         return False
-    return True
+    return True
+
+def getUid(username: str):
+    "判断用户名是否存在 并获取用户uid 用户不存在则返回None"
+    conn = util.getConn()
+    c = conn.cursor()
+    cursor = c.execute("SELECT * FROM User WHERE username = ?", (username,))
+    out = cursor.fetchone()
+    if out is not None:
+        return out[0]
+    return None
+
+def getUsername(uid:str):
+    "判断Uid是否存在 并获取用户名 用户不存在则返回None"
+    conn = util.getConn()
+    c = conn.cursor()
+    cursor = c.execute("SELECT * FROM User WHERE uid = ?", (uid,))
+    out = cursor.fetchone()
+    if out is not None:
+        return out[1]
+    return None