FCKConfig.AutoDetectLanguage = true ;//是否自动检测语言
FCKConfig.DefaultLanguage  = 'zh-cn' ;//设置语言
FCKConfig.SkinPath = FCKConfig.BasePath + 'skins/default/' ;//设置皮肤
FCKConfig.TabSpaces = 1 ;//tab是否有效
FCKConfig.ToolbarStartExpanded = true ;//编辑工具条是否出现，等点“展开工具栏”时才出现
FCKConfig.FontNames  = '宋体;黑体;隶书;楷体_GB2312;Arial;Comic Sans MS;Courier New;Tahoma;Times New Roman;Verdana' ;//添加中文字体

修改FCKeditor\editor\css\fck_editorarea.css
设置默认字体及大小
body, td
{
 font-family: Arial, Verdana, Sans-Serif;
 font-size: 14px;
}

修改fckconfig.js
var _FileBrowserLanguage = 'php' ; // asp | aspx | cfm | lasso | perl | php
var _QuickUploadLanguage = 'php' ; // asp | aspx | cfm | lasso | php

修改fckeditor\editor\filemanager\browser\default\connectors\php
$Config['Enabled'] = true ;
$Config['UserFilesPath'] = '/UserFiles/' ;//设置上传的文件夹，可自己指定
 
修改fckeditor\editor\filemanager\upload\php
$Config['Enabled'] = true ;
$Config['UseFileType'] = true ;
$Config['UserFilesPath'] = '/UserFiles/' ;//同上要一样

<?php
include("fckeditor/fckeditor.php") ;
$oFCKeditor = new FCKeditor('FCKeditor1') ;//实例化
$oFCKeditor->BasePath = 'fckeditor/';//这个路径一定要和上面那个引入路径一致，否则会报错:找不到fckeditor.html页面
//$oFCKeditor->Value = '' ;
$oFCKeditor->Width = '100%' ;
$oFCKeditor->Height = '300' ;
$oFCKeditor->Create() ;
?>