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//$this->load->library('upload', $config); //My_upload 使用正常 
 
//某个特定情况需要使用CI原始类,采用如下方法 
 $CI =& get_instance(); 
 $CI->load->library('upload', $config); 
 $CI->upload->do_upload() //报错路经不对  
error Array ( [error] =>The upload path does not appear to be valid.) 
 
当去掉My_upload.php 文件后,上面才执行正确的原始类。奇怪? |   
 
 
 
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