百度编辑器的内容改变事件监听bug

先贴上我的初始化代码,可能是用法问题冤枉了百度编辑器,如果是我的用法有问题欢迎大侠们指正

<!DOCTYPE type>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>简易编辑器</title>
        <script type="text/javascript" src="/resources/js/lib/jquery-1.9.1.min.js"></script>
        <script type="text/javascript" src="/resources/js/user/client/common/ajax-urlconfig.js"></script>
        <script type="text/javascript" src="/resources/js/user/client/common/utils.js"></script>


        <script type="text/javascript" src="/resources/js/lib/md5.js"></script>
        <script type="text/javascript" src="/resources/js/user/client/common/init.js"></script>
        <script type="text/javascript" src="/resources/js/lib/ueditor/ueditor.all.min.js"></script>
        <script type="text/javascript" src="/resources/js/lib/ueditor/editor_config.js"></script>

        <script type="text/javascript" src="/resources/js/lib/ueditor/lang/zh-cn/zh-cn.js"></script>

        <link rel="stylesheet" type="text/css" href="/resources/css/basic.css"/>
        <link rel="stylesheet" type="text/css" href="/resources/js/lib/ueditor/themes/iframe.css"/>
        <link rel="stylesheet" type="text/css" href="/resources/js/lib/ueditor/themes/default/ueditor.css"/>
        <link rel="stylesheet" type="text/css" href="/resources/js/lib/ueditor/themes/default/css/ueditor.css"/>

        <style>
            .aaa, .bbb {
                margin: 100px;
            }            
        </style>
    </head>
    <body style="background: #fff;">
        <div class="con-textarea width-100pt">
            <textarea class="hidden" id="content" name="contentHtml">就要一个框框</textarea>
        </div>


        <input type="button" id="addLinkTest" value="addLinkTest"/>
        <input type="button" id="addImgTest" value="addImgTest"/>
        <script>
            
            
            $(function () {
                
                
                //初始化百度编辑器 by 小嘉最后修改
                var createEditor = function () {
                    
                    var shellId = 'content';
                    
                    window.UEDITOR_HOME_URL = "/resources/js/lib/ueditor/"; 
                    
                    window.UEDITOR_CONFIG.langPath = '/resources/js/lib/ueditor/lang/zh-cn/';
                    window.UEDITOR_CONFIG.maximumWords = 140;
                    window.UEDITOR_CONFIG.initialFrameHeight = 120;
                    window.UEDITOR_CONFIG.initialFrameWidth = 530;
                    var editor = new UE.ui.Editor();
                    editor.render(shellId); //'content' 是 teatarea 的 ID ################################
                    
                    editor.ready(function(){
                        //alert('fuck ready'+editor.getAllHtml());
                        $('#' + shellId + ' #edui1_toolbarbox').css('display','none');
                        editor.fireEvent("contentChange");
                        
                        var $textarea = $('#' + shellId + '').parent().find('iframe').contents();
                        //$('#' + shellId + '').parent().find('iframe');

                        var fn = function(){
                            alert(editor.getContent());
                        }
                        
                        if (document.all) {
                            $textarea.get(0).attachEvent('onpropertychange',function(e) {            
                                fn();
                            });
                        }else{
                            $textarea.on('input',fn);
                        }
                        
                    });
                    
                    
                    //        var whiteTagList = 'img,a,span,p,strong,em,ul,ol,li';//标签白名单
        
                    editor.addListener("beforePaste",function(type,data){
                        $("body").append("<div id='cleanPaste' style='display:none;'></div>");
            
                        $("#cleanPaste").html(data.html);

                        $("#cleanPaste script").remove();
                        $("#cleanPaste input").remove();
                        $("#cleanPaste button").remove();
                        $("#cleanPaste object").remove();
                        $("#cleanPaste *").removeAttr("class").removeAttr("style").removeAttr("id").removeAttr("width").removeAttr("height");
                        var aTags = $("#cleanPaste a");
                        for(var i =0;i<aTags.length; i++){
                            if($(aTags[i]).attr("href") && $(aTags[i]).attr("href").toLowerCase().indexOf("javascript") == 0 ){
                                $(aTags[i].attr("href","javascript:;"));
                            }
                        }
                        data.html = $("#cleanPaste").html();
                        //$("#cleanPaste").remove();
                    });
                    
                    //事件
                    editor.addListener("selectionChange",function(){
                        //console.log('选取改变');
                        console.log('选取改变:'+editor.getContent());
                    });
                    
                    //事件
                    editor.addListener("contentChange",function(){
                        console.log('内容改变:'+editor.getContent());
                        //var d = editor.getContent();
                    });
                    
                    
                    
                    editor.addListener("fullScreenChanged",function(type,mode){
                        //mode代表当前是否全屏,true代表切换到了全屏模式,false代表切换到了普通模式
                        console.log('全屏模式:'+mode);
                    })
                    
                    
                    
                    return editor;
                }
                
                var editor = createEditor();
                
                $('#addLinkTest').click(function(){
                    editor.execCommand("link",{
                        href: "http://ueditor.baidu.com",         //超链地址,必选
                        data_ue_src: "http://ueditor.baidu.com",  //UE内部使用参数,与href保持一致即可,可选
                        target: "_self",                          //目标窗口,可选
                        textValue: "UEditor",                     //链接显示文本,可选
                        title: "木仓威武"     //标题,可选
                    });
                    
                });
                
                $('#addImgTest').click(function(){
                    
                    
                    editor.execCommand("insertImage",{
                        src: "/resources/other/expression/gif/10.gif",          //图片链接地址,必选
                        data_ue_src: "/resources/other/expression/gif/10.gif",  //UE内部使用参数,与src保持一致即可,可选
                         24,                                        //图片显示宽度,可选
                        height: 24,                                       //图片显示高度,可选
                        hspace: 5,                                         //图片左右边距,可选
                        vspace: 2,                                         //图片上下边距,可选
                        alt: '浮云',                               //图片替换文字,可选
                        title: "神马都是浮云"             //图片标题,可选
                    });
                    
                });
            });
            //init.invokeAll();
        </script>

    </body>
</html>
View Code

提供的事件监听是这样的:

//事件
editor.addListener("contentChange",function(){
    console.log('内容改变:'+editor.getContent());
});

一般的字符都可以监听,但是@#¥%……这些字符的输入是监听不到的。实现原理应该是监听的键盘事件,百度的牛人们呀,你们难道不知道对于这些特殊字符是监听键盘的keypress和keyup是监听不到的吗....

好吧那字能自己解决了。

最挫的办法就是时钟监听了,每隔几十毫秒获取一下编辑框中的内容,与之前内容比较一下,变了就触发改变事件。但是这不是理想的方案呀...

有没有好的实现方案呢,有了!想到之前看过的一个实时统计字数的小东西

什么字符都支持,好研究一下,核心到吗如下

var $textarea = $('#' + shellId + '');


var fn = function(){
    alert(editor.getContent());
}
                
if (document.all) {
    $textarea.get(0).attachEvent('onpropertychange',function(e) {            
        fn();
    });
}else{
    $textarea.on('input',fn);
}

好,我们也这么玩。

但是问题来了,iframe是可编辑元素吗?支持上面的监听事件吗?

万能的网友给了我答案,能!

果断实现,结果如下:

editor.ready(function(){
    $('#' + shellId + ' #edui1_toolbarbox').css('display','none');
    editor.fireEvent("contentChange");

    var $textarea = $('#' + shellId + '').parent().find('iframe').contents();

    var fn = function(){
        alert(editor.getContent());
    }

    if (document.all) {
        $textarea.get(0).attachEvent('onpropertychange',function(e) {            
            fn();
        });
    }else{
        $textarea.on('input',fn);
    }

});
原文地址:https://www.cnblogs.com/longze/p/3195564.html