> ### 代码规范： [阿里JAVA开发手册](chrome-extension://oemmndcbldboiebfnladdacbdfmadadm/http://techforum-img.cn-hangzhou.oss-pub.aliyun-inc.com/%E9%98%BF%E9%87%8C%E5%B7%B4%E5%B7%B4Java%E5%BC%80%E5%8F%91%E6%89%8B%E5%86%8C%28%E7%BB%88%E6%9E%81%E7%89%88%29.pdf)