codeIgniter加载第三方库放到libraries下比较方便，也可放到third_party下，参考http://www.slideshare.net/samsonasik/codeigniter-using-third-party-components-zend-framework-components版权声明：本文为zhaozhi406原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/zhaozhi406/article/details/9424139