2025-09-10:仓库迁移

5.文件与IO/19.创建临时文件和目录.py

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+from tempfile import TemporaryFile, NamedTemporaryFile, TemporaryDirectory
+
+from bottle import delete
+
+if __name__ == '__main__':
+    with TemporaryFile('w+t') as f:
+        f.write("hello")
+        f.write("temp_file")
+
+        f.seek(0)
+        data = f.read()
+
+    print(data)
+    print(f.closed)
+
+    # 如果想要对临时文件命名,使用NamedTemporaryFile,如果不想文件或文件夹在关闭后自动删除,请使用delete=False
+    # 跑完记得手动干掉它
+    with NamedTemporaryFile('w+t', delete=False) as f:
+        print("file name is : " + f.name)
+
+    # 你甚至可以创建一个临时文件夹
+    with TemporaryDirectory() as d:
+        print(d)
+
+        # 对临时文件,可以指定前缀后缀和文件夹,记住,文件夹一定要真的存在
+        with NamedTemporaryFile(prefix="PPP", suffix=".txt", dir=d) as f:
+            print("file name is : " + f.name)