在启动脚本合适位置添加：

httpd -h /usr/app/www/

即开始httpd服务，并定位到/usr/app/www/

注：busybox已支持httpd命令，所以直接用即可。

busybox中httpd用法

httpd

httpd [-ifv[v]] [-c CONFFILE] [-p [IP:]PORT] [-u USER[:GRP]] [-r REALM] [-h HOME] or httpd -d/-e/-m STRING

Listen for incoming HTTP requests

Options:

        -i              Inetd mode-f              Do not daemonize-v[v]           Verbose-c FILE         Configuration file (default httpd.conf)-p [IP:]PORT    Bind to ip:port (default *:80)-u USER[:GRP]   Set uid/gid after binding to port-r REALM        Authentication Realm for Basic Authentication-h HOME         Home directory (default .)-m STRING       MD5 crypt STRING-e STRING       HTML encode STRING-d STRING       URL decode STRING