Severity: Error
Message: Call to a member function item() on a non-object
Filename: libraries/Qiniu_utils.php
Line Number: 64
Backtrace:
修改方法：
在model和helper中都是这样使用ci的类库的
$CI =& get_instance();
$CI->load->library();
请尝试将$this修改为$CI
****Call to a member function item() on a non-object
原文：http://www.cnblogs.com/kenshinobiy/p/4993131.html