****Call to a member function item() on a non-object

A PHP Error was encountered

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