'-[NSNull countByEnumeratingWith
2019-11-07 本文已影响0人
拂溪
错误信息
reason: '-[NSNull countByEnumeratingWithState:objects:count:]: unrecognized selector sent to instance 0x1b66c0878'
问题分析
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
问题解决
做一下判空处理
