Init

2026-06-08 16:09:13 +08:00
commit 518c6b3c7a
32 changed files with 4156 additions and 0 deletions
@@ -0,0 +1,8 @@
+
+def is_valid_str(s):
+    """判断字符串是否有效，即非空且非空格。"""
+    return isinstance(s, str) and len(s.strip()) > 0
+
+def is_empty_str(s):
+    """判断字符串是否为空，即空或仅包含空格。"""
+    return isinstance(s, str) and len(s.strip()) == 0