一.首先为FCKeditor添加外部插件在fckeditor/editor/plugins文件夹下建立新文件夹lineHeight,并在其中创建fckplugin.js文件,在其文件中办輸入代码:FCKCommands.RegisterCommand('LineHeight',new FCKLineHeightCommand());FCKToolbarItems.RegisterItem( 'LineHeight', new FCKToolbarLineHeightCombo( null, FC…