http://novoland.github.io/%E5%B9%B6%E5%8F%91/2014/09/11/ThreadLocal%20%E5%88%86%E6%9E%90.htmlhtml
http://novoland.github.io/%E5%B9%B6%E5%8F%91/2014/09/11/ThreadLocal%20%E5%88%86%E6%9E%90.htmlhtml
转载于:https://www.cnblogs.com/wenlin-gk/p/10490437.htmlgit