php开启OCI扩展报错求解决

警告消息：

[01-Dec-2017 13:29:38] NOTICE: PHP message: PHP Warning: PHP Startup: Unable to load dynamic library '/www/server/php/71/lib/php/extensions/no-debug-non-zts-20160303/php_oci8_12c.dll' - /www/server/php/71/lib/php/extensions/no-debug-non-zts-20160303/php_oci8_12c.dll: cannot open shared object file: No such file or directory in Unknown on line 0
[01-Dec-2017 13:29:38] NOTICE: PHP message: PHP Warning: PHP Startup: Unable to load dynamic library '/www/server/php/71/lib/php/extensions/no-debug-non-zts-20160303/php_pdo_oci.dll' - /www/server/php/71/lib/php/extensions/no-debug-non-zts-20160303/php_pdo_oci.dll: cannot open shared object file: No such file or directory in Unknown on line 0