目录跨平台实现POSIX平台实现性能测试判断一个文件是否存在是一个相当常见的需求，在golang中也有多种方案实现这一功能。
i was trying to do some simple text fo开发者_运维技巧rmatting using JEditorPane but then as knowledge grew i found JTextPane easier to implement and more robust.
加载中,请稍侯......