<Location /xxx>
        AddType text/plain                      .asc .txt .html .htm .php .js .css  #这一句哦 
        DAV svn
        Require valid-user
        SVNParentPath /data/xxx/
        SVNListParentPath On
        SVNAdvertiseV2Protocol Off
        AuthType Basic
        AuthName "Control System"
        AuthUserFile /data/htpasswd
        AuthzSVNAccessFile /data/authz
</Location>