感谢Ext社区的外国朋友提供一个现成的插件,我在当中加入一个表情panel,希望给大家在用Ext的时候也方便一些.做个例子让大家继续扩展.

Ext.ux.form.plugin.HtmlEditor.js

/**
* @class Ext.ux.form.plugin.HtmlEditor
* @author Adrian Teodorescu (ateodorescu@gmail.com; http://www.mzsolutions.eu)
* @docauthor Adrian Teodorescu (ateodorescu@gmail.com; http://www.mzsolutions.eu)
* @version 1.1
* 
* Provides plugins for the HtmlEditor. Many thanks to [Shea Frederick][1] as I was inspired by his [work][2].
* 
* [1]: http://www.vinylfox.com
* [2]: http://www.vinylfox.com/plugin-set-for-additional-extjs-htmleditor-buttons/
* 
* The plugin buttons have tooltips defined in the {@link #buttonTips} property, but they are not
* enabled by default unless the global {@link Ext.tip.QuickTipManager} singleton is {@link Ext.tip.QuickTipManager#init initialized}.
*
* 
* 
#Example usage:#

{@img Ext.ux.form.plugin.HtmlEditor.png Ext.ux.form.plugin.HtmlEditor plugins}

     var top = Ext.create('Ext.form.Panel', {
        frame:true,
        title:          'HtmlEditor plugins',
        bodyStyle:      'padding:5px 5px 0',
        width:          '80%',
        fieldDefaults: {
            labelAlign:     'top',
            msgTarget:      'side'
        },

        items: [{
            xtype:          'htmleditor',
            fieldLabel:     'Text editor',
            height:         300,
            plugins: [
                Ext.create('Ext.ux.form.plugin.HtmlEditor',{
                    enableAll:  true
                })
            ],
            anchor:         '100%'
        }],

        buttons: [{
            text: 'Save'
        },{
            text: 'Cancel'
        }]
    });

    top.render(document.body);

*/
Ext.define('Ext.ux.form.plugin.HtmlEditor', {
    mixins: {
        observable: 'Ext.util.Observable'
    },
    alternateClassName: 'Ext.form.plugin.HtmlEditor',
    requires: [
        'Ext.tip.QuickTipManager',
        'Ext.form.field.HtmlEditor'
    ],
    
    /**
    * @cfg {Boolean} enableAll Enable all available plugins
    */
    enableAll:              false,
    /**
    * @cfg {Boolean} enableUndoRedo Enable "undo" and "redo" plugins
    */
    enableUndoRedo:         false,
    /**
    * @cfg {Boolean} enableRemoveHtml Enable the plugin "remove html" which is removing all html entities from the entire text
    */
    enableRemoveHtml:       false,
    /**
    * @cfg {Boolean} enableRemoveFormatting Enable "remove format" plugin
    */
    enableRemoveFormatting: false,
    /**
    * @cfg {Boolean} enableIndenting Enable "indent" and "outdent" plugins
    */
    enableIndenting:        false,
    /**
    * @cfg {Boolean} enableSmallLetters Enable "superscript" and "subscript" plugins
    */
    enableSmallLetters:     false,
    /**
    * @cfg {Boolean} enableHorizontalRule Enable "horizontal rule" plugin
    */
    enableHorizontalRule:   false,
    /**
    * @cfg {Boolean} enableSpecialChars Enable "special chars" plugin
    */
    enableSpecialChars:     false,
    /**
    * @cfg {Boolean} enableWordPaste Enable "word paste" plugin which is cleaning the pasted text that is coming from MS Word
    */
    enableWordPaste:        false,
    /**
    * @cfg {Boolean} enableFormatBlocks Enable "format blocks" plugin which allows to insert formatting tags.
    */
    enableFormatBlocks:     false,
    /**
    * @cfg {Boolean} defaultFormatBlock Set the default block format.
    */
    defaultFormatBlock:     'p',
    /**
     * 表情
     */
    enableFaceImages:     false,
    
    enableInsertTable:      false,
    
    wordPasteEnabled:       false,
    
    /**
     * @cfg {Array} specialChars
     * An array of additional characters to display for user selection.  Uses numeric portion of the ASCII HTML Character Code only. For example, to use the Copyright sym