3.x升级到4.x版本

<script charset="utf-8" src="/ke3/kindeditor.js"></script>

<script charset="utf-8" src="/ke4/kindeditor.js"></script>
<script charset="utf-8" src="/ke4/lang/zh_CN.js"></script>

<script>
        KE.show({
                id : 'editor_id',
                resizeMode : 2,
                imageUploadJson : '../../php/upload_json.php' // 相对于plugins/image/image.html的路径
        });
</script>

<script>
        var editor;
        KindEditor.ready(function(K) {
                editor = K.create('#editor_id', {
                        resizeType : 2,
                        uploadJson : '../php/upload_json.php' // 相对于当前页面的路径
                });
        });
</script>

<script>
        KindEditor.ready(function(K) {
                window.EditorObject = K.create('#editor_id');
        });
        //取得编辑器内容
        function getEditorData() {
                return EditorObject.html();
        }
</script>