08 2016 档案

-[NSNull countByEnumeratingWithState:objects:count:]:
摘要：当数组为空时遍历数组容易出这样的问题， -[NSNull countByEnumeratingWithState:objects:count:]: unrecognized selector sent to instance 0x3e4e85e0 解决办法就是在遍历数组之前先要判断 if (![ar 阅读全文
posted @ 2016-08-24 12:00 梅子~ 阅读(2506) 评论(0) 推荐(0)