编辑器ckeditor

aspx页面： 
<script type="text/javascript" charset="utf-8" src="./../Content/ckeditor/ckeditor.js"></script> 

<style type="text/css"> 
        .editor,.editorDiv { width: 450px; height: 60px; overflow: auto; text-align: left; border:1px solid #ccc; padding:5px; cursor:hand;} 
        .editorFoucs { border: 1px solid red; background: #F6F0AC;} 
    </style> 

<div id="comment" name="评论内容" class="editor" ></div> 

<div id="editorDialog" title="质量状态数据录入">        
        <textarea id="editor" name="editor" cols="80" rows="50"></textarea> 
        <div>还可输入&nbsp;<span id="leaveId"></span> &nbsp;字&nbsp;<span id="limitId" style="display:none; color:red;">(长度超限，请控制在8000字符以内)</span></div> 
        <div class="text-notice" style="display:none;">友情提醒：您正在使用IE6，建议升级到IE8</div> 
    </div>       


js: 
var editor; 
var currentEditorId = ""; //当前页面中所有的TextArea均在唯一的ckeditor对象中编辑，此值用于记录当前处于编辑状态的textarea的ID 
var timerId = null; //定义定时器用于实时检测富文件编辑器还可输入的字数 
var editorMaxLength = 7998; 

$(function () { 
    initEditor(); 
}); 


function initEditor() { 
    $("#editorDialog").dialog( 
        { 
            show: "fast", 
            modal: true, 
            resizable: false, 
            bgiframe: false, 
            autoOpen: false, 
            width: 550, 
            buttons: { 
                "取消": function () { 
                    $(this).dialog("close"); 
                }, 
                "确定": function () { 
                    $("#" + currentEditorId).html(editor.getData()); 
                    $(this).dialog("close"); 
                } 
            }, 
            beforeclose: function (event, ui) { 
                if (timerId != null) { 
                    clearTimeout(timerId); 
                    timerId = null; 
                } 

                $("#" + currentEditorId).removeClass("editorFoucs"); 
                if (editor) { editor.destroy(); editor = null; } 
            } 
        }); 

    //绑定textarea的点击事件，以触发显示editor的dialog 
    $(".editor").bind("click", function () { 
        currentEditorId = $(this).attr("id"); 
        showEditorDialog($(this).attr("name")); 
    }); 
}

function showEditorDialog(caption) { 
    $('#editorDialog').dialog('option', 'title', "" + caption); 
    $("#editorDialog").dialog("open"); 
    $("#leaveId").text(editorMaxLength); //每次加载时先显示最大可输入字 
    if (ieVersion() == 6) { 
        $("#editorDialog .text-notice").show(); 
    } 
    else { 
        $("#editorDialog .text-notice").hide(); 
    } 

    if (!editor) { 
        editor = CKEDITOR.replace("editor", 
            { 
                width: 480, 
                height: 250, 
                resize_enabled: false, 
                toolbar: [ 
                // ['Source'], 
                        ['Bold', 'Italic', 'Underline', 'Strike', 'Subscript', 'Superscript'] //加粗     斜体，     下划线      穿过线      下标字        上标字 
                        , ['NumberedList', 'BulletedList', '-', 'Outdent', 'Indent'] //数字列表          实体列表            减小缩进    增大缩进 
                        , ['JustifyLeft', 'JustifyCenter', 'JustifyRight', 'JustifyBlock'] //左对齐             居中对齐          右对齐          两端对齐       
                //,'/' 
                        , ['Undo', 'Redo', '-', 'RemoveFormat'], 
                        , ['Font', 'FontSize'] //样式'Styles',       格式'Format',      字体    字体大小 
                        , ['TextColor', 'BGColor'] //文本颜色     背景颜色                
                        ] 
            }); 
    } 

    if (editor) { 
        editor.setData($("#" + currentEditorId).html()); 
        $("#" + currentEditorId).addClass("editorFoucs"); 
    } 
    if (editor && timerId == null) { 
        timerId = setInterval(function () { 

            var len = editorMaxLength - parseInt(getStringlength(editor.getData()), 10); 
            $("#leaveId").text(len); 

            if (len < 0) { 
                $("#limitId").show(); 
            } 
            else { 
                $("#limitId").hide(); 
            } 

        }, 800); 
    } 
} 




//编码，替换提交文本框中的<X为< X,以免js注入 
function replaceText(txt) { 
    return txt.replace(/</g, "< ").replace(/<  /g, "< "); 
} 

解码：str.replace(/<\s+/g, "<")