//tinymce add bottom
    function add_more_buttons($buttons) {
    $buttons[] = 'hr';
    $buttons[] = 'del';
    $buttons[] = 'sub';
    $buttons[] = 'sup';
    $buttons[] = 'fontselect';
    $buttons[] = 'fontsizeselect';
    $buttons[] = 'cleanup';
    $buttons[] = 'styleselect';
    $buttons[] = 'wp_page';
    $buttons[] = 'anchor';
    $buttons[] = 'backcolor';
    return $buttons;
    }
    add_filter("mce_buttons_3", "add_more_buttons");
    function customize_text_sizes($initArray){
       $initArray['fontsize_formats'] = "12px 13px 14px 15px 16px 17px 18px 19px 20px 21px 22px 23px 24px 25px 26px 27px 28px 29px 30px 32px 34px 36px 38px 42px 44px 46px 48px";
       return $initArray;
    }
    add_filter('tiny_mce_before_init', 'customize_text_sizes');

    //中文字体
function custum_fontfamily($initArray){
$initArray['font_formats'] = "微软雅黑='微软雅黑';宋体='宋体';黑体='黑体';仿宋='仿宋';楷体='楷体';隶书='隶书';幼圆='幼圆';ClearSans='clear_sansregular',Helvetica,Arial,sans-serif;ClearSans Medium='clear_sans_mediumregula',Helvetica,Arial,sans-serif;ClearSans Light='clear_sans_lightregular',Helvetica,Arial,sans-serif;ClearSans Thin='clear_sans_thinregular',Helvetica,Arial,sans-serif";
return $initArray;
}
add_filter('tiny_mce_before_init', 'custum_fontfamily');