wangEditor 修改 “视频”菜单的实现方式，达到上传视频的功能---精简版

一时失言乱红尘 2022-04-22 05:36 360阅读 0赞

//经测，没能实现我的需求，我经二次修改实现，仅先修改了构造函数 UploadVideo 里面的些许判断,下面链接为我改过的  
[https://blog.csdn.net/m0\_37885651/article/details/83660206][https_blog.csdn.net_m0_37885651_article_details_83660206]  
名字都改了一下，不然和图片混了（包括unicode码）；

以下为原作者的：

/*
        menu - video
    */
    // 构造函数
    function Video(editor) {
        this.editor = editor;
        this.$elem = $('<div class="w-e-menu"><i class="w-e-icon-play"><i/></div>');
        this.type = 'panel';
     
        // 当前是否 active 状态
        this._active = false;
    }
     
    // 原型
    Video.prototype = {
     
        constructor: Video,
     
        onClick: function onClick() {
            this._createInsertPanel();
        },
     
        _createInsertPanel: function _createInsertPanel() {
            var editor = this.editor;
            var uploadVideo = editor.uploadVideo;
            var config = editor.config;
     
            // id
            var upTriggerId = getRandom('up-trigger');
            var upFileId = getRandom('up-file');
     
            // tabs 的配置
            var tabsConfig = [{
                title: '上传 video',
                tpl: '<div class="w-e-up-img-container">\n                    ' +
                '<div id="' + upTriggerId + '" class="w-e-up-btn">\n                        ' +
                '<i class="w-e-icon-upload2"></i>\n                    </div>\n                    ' +
                '<div style="display:none;">\n                        <input id="' + upFileId + '" type="file" multiple="multiple" accept="audio/mp4, video/mp4"/>\n                    ' +
                '</div>\n                            </div>',
                events: [{
                    // 触发选择视频
                    selector: '#' + upTriggerId,
                    type: 'click',
                    fn: function fn() {
                        var $file = $('#' + upFileId);
                        var fileElem = $file[0];
                        if (fileElem) {
                            fileElem.click();
                        } else {
                            // 返回 true 可关闭 panel
                            return true;
                        }
                    }
                }, {
                    // 选择视频完毕
                    selector: '#' + upFileId,
                    type: 'change',
                    fn: function fn() {
                        var $file = $('#' + upFileId);
                        var fileElem = $file[0];
                        if (!fileElem) {
                            // 返回 true 可关闭 panel
                            return true;
                        }
     
                        // 获取选中的 file 对象列表
                        var fileList = fileElem.files;
                        if (fileList.length) {
                            uploadVideo.uploadVideo(fileList);
                        }
     
                        // 返回 true 可关闭 panel
                        return true;
                    }
                }]
            }
            ]; // tabs end
     
            // 判断 tabs 的显示
            var tabsConfigResult = [];
            tabsConfigResult.push(tabsConfig[0]);
     
            // 创建 panel 并显示
            var panel = new Panel(this, {
                width: 300,
                tabs: tabsConfigResult
            });
            panel.show();
     
            // 记录属性
            this.panel = panel;
        },
     
        // 试图改变 active 状态
        tryChangeActive: function tryChangeActive(e) {
            var editor = this.editor;
            var $elem = this.$elem;
            if (editor._selectedImg) {
                this._active = true;
                $elem.addClass('w-e-active');
            } else {
                this._active = false;
                $elem.removeClass('w-e-active');
            }
        }
    };
     
     
    /*
        所有菜单的汇总
    */
     
    // 存储菜单的构造函数
    var MenuConstructors = {};
     
    MenuConstructors.video = Video;
     
    /*
     上传视频
     */
     
    // 构造函数
    function UploadVideo(editor) {
        this.editor = editor;
    }
     
    // 原型
    UploadVideo.prototype = {
            constructor: UploadVideo,
        // 根据 debug 弹出不同的信息
        _alert: function _alert(alertInfo, debugInfo) {
            var editor = this.editor;
            var debug = editor.config.debug;
            // var debug = true;
            var customAlert = editor.config.customAlert;
     
            if (debug) {
                throw new Error('wangEditor: ' + (debugInfo || alertInfo));
            } else {
                if (customAlert && typeof customAlert === 'function') {
                    customAlert(alertInfo);
                } else {
                    alert(alertInfo);
                }
            }
        },
            // 上传视频
            uploadVideo: function uploadVideo(files) {
                var _this3 = this;
     
                if (!files || !files.length) {
                    return;
                }
     
                // ------------------------------ 获取配置信息 ------------------------------
                var editor = this.editor;
                var config = editor.config;
                var uploadImgServer = "/file/upload";
                // var uploadImgShowBase64 = config.uploadImgShowBase64;
     
                var maxSize = 100 * 1024 * 1024;       //100M
                var maxSizeM = maxSize / 1000 / 1000;
                var maxLength = 1;
                var uploadFileName = "file";
                var uploadImgParams = config.uploadImgParams || {};
                // var uploadImgParamsWithUrl = config.uploadImgParamsWithUrl;
                var uploadImgHeaders = {};
                var hooks = config.uploadImgHooks || {};
                var timeout = 5 * 60 * 1000;        //5 min
                var withCredentials = config.withCredentials;
                if (withCredentials == null) {
                    withCredentials = false;
                }
     
                // ------------------------------ 验证文件信息 ------------------------------
                var resultFiles = [];
                var errInfo = [];
                arrForEach(files, function (file) {
                    var name = file.name;
                    var size = file.size;
     
                    // chrome 低版本 name === undefined
                    if (!name || !size) {
                        return;
                    }
     
                    if (/\.(mp4)$/i.test(name) === false) {
                        // 后缀名不合法，不是图片
                        errInfo.push('\u3010' + name + '\u3011\u4E0D\u662F\u56FE\u7247');
                        return;
                    }
                    if (maxSize < size) {
                        // 上传图片过大
                        errInfo.push('\u3010' + name + '\u3011\u5927\u4E8E ' + maxSizeM + 'M');
                        return;
                    }
     
                    // 验证通过的加入结果列表
                    resultFiles.push(file);
                });
                // 抛出验证信息
                if (errInfo.length) {
                    this._alert('视频验证未通过: \n' + errInfo.join('\n'));
                    return;
                }
                if (resultFiles.length > maxLength) {
                    this._alert('一次最多上传' + maxLength + '个视频');
                    return;
                }
     
                // ------------------------------ 自定义上传 ------------------------------
                // 添加视频数据
                var formdata = new FormData();
                arrForEach(resultFiles, function (file) {
                    var name = uploadFileName || file.name;
                    formdata.append(name, file);
                });
     
                // ------------------------------ 上传视频 ------------------------------
                if (uploadImgServer && typeof uploadImgServer === 'string') {
                    // 添加参数
                    var uploadImgServerArr = uploadImgServer.split('#');
                    uploadImgServer = uploadImgServerArr[0];
                    var uploadImgServerHash = uploadImgServerArr[1] || '';
                    objForEach(uploadImgParams, function (key, val) {
                        val = encodeURIComponent(val);
     
                        // 第一，将参数拼接到 url 中
                        if (uploadImgParamsWithUrl) {
                            if (uploadImgServer.indexOf('?') > 0) {
                                uploadImgServer += '&';
                            } else {
                                uploadImgServer += '?';
                            }
                            uploadImgServer = uploadImgServer + key + '=' + val;
                        }
     
                        // 第二，将参数添加到 formdata 中
                        formdata.append(key, val);
                    });
                    if (uploadImgServerHash) {
                        uploadImgServer += '#' + uploadImgServerHash;
                    }
     
                    // 定义 xhr
                    var xhr = new XMLHttpRequest();
                    xhr.open('POST', uploadImgServer);
     
                    // 设置超时
                    xhr.timeout = timeout;
                    xhr.ontimeout = function () {
                        // hook - timeout
                        if (hooks.timeout && typeof hooks.timeout === 'function') {
                            hooks.timeout(xhr, editor);
                        }
     
                        _this3._alert('上传图片超时');
                    };
     
                    // 监控 progress
                    if (xhr.upload) {
                        xhr.upload.onprogress = function (e) {
                            var percent = void 0;
                            // 进度条
                            var progressBar = new Progress(editor);
                            if (e.lengthComputable) {
                                percent = e.loaded / e.total;
                                progressBar.show(percent);
                            }
                        };
                    }
     
                    // 返回数据
                    xhr.onreadystatechange = function () {
                        var result = void 0;
                        if (xhr.readyState === 4) {
                            if (xhr.status < 200 || xhr.status >= 300) {
                                // hook - error
                                if (hooks.error && typeof hooks.error === 'function') {
                                    hooks.error(xhr, editor);
                                }
     
                                // xhr 返回状态错误
                                _this3._alert('上传视频发生错误', '\u4E0A\u4F20\u56FE\u7247\u53D1\u751F\u9519\u8BEF\uFF0C\u670D\u52A1\u5668\u8FD4\u56DE\u72B6\u6001\u662F ' + xhr.status);
                                return;
                            }
     
                            result = xhr.responseText;
                            if ((typeof result === 'undefined' ? 'undefined' : _typeof(result)) !== 'object') {
                                try {
                                    result = JSON.parse(result);
                                } catch (ex) {
                                    // hook - fail
                                    if (hooks.fail && typeof hooks.fail === 'function') {
                                        hooks.fail(xhr, editor, result);
                                    }
     
                                    _this3._alert('上传视频失败', '上传视频返回结果错误，返回结果是: ' + result);
                                    return;
                                }
                            }
                            if (!hooks.customInsert && result.errno != '0') {
                                // hook - fail
                                if (hooks.fail && typeof hooks.fail === 'function') {
                                    hooks.fail(xhr, editor, result);
                                }
     
                                // 数据错误
                                _this3._alert('上传视频失败', '上传视频返回结果错误，返回结果 errno=' + result.errno);
                            } else {
                                if (hooks.customInsert && typeof hooks.customInsert === 'function') {
                                    // 使用者自定义插入方法
                                    // var _video_src = ' <video class="video-js" controls preload="auto" data-setup="{}"><source src="' + result.obj + '" type="video/mp4"></video>'
                                    editor.cmd.do('insertHTML', '<video src="' + result.obj + '" style="max-width: 50%;max-height:50%;" controls autobuffer />');
                                    _this3._alert("upload successfully")
                                    // hooks.customInsert(_this3.insertLinkImg.bind(_this3), result, editor);
                                } else {
                                    // 将图片插入编辑器
                                    var data = result.data || [];
                                    data.forEach(function (link) {
                                        _this3.insertLinkImg(link);
                                    });
                                }
     
                                // hook - success
                                if (hooks.success && typeof hooks.success === 'function') {
                                    hooks.success(xhr, editor, result);
                                }
                            }
                        }
                    };
     
                    // hook - before
                    if (hooks.before && typeof hooks.before === 'function') {
                        var beforeResult = hooks.before(xhr, editor, resultFiles);
                        if (beforeResult && (typeof beforeResult === 'undefined' ? 'undefined' : _typeof(beforeResult)) === 'object') {
                            if (beforeResult.prevent) {
                                // 如果返回的结果是 {prevent: true, msg: 'xxxx'} 则表示用户放弃上传
                                this._alert(beforeResult.msg);
                                return;
                            }
                        }
                    }
     
                    // 自定义 headers
                    objForEach(uploadImgHeaders, function (key, val) {
                        xhr.setRequestHeader(key, val);
                    });
     
                    // 跨域传 cookie
                    xhr.withCredentials = withCredentials;
     
                    // 发送请求
                    xhr.send(formdata);
     
                    // 注意，要 return 。不去操作接下来的 base64 显示方式
                    return;
                }
            }
        };
     
     
     
    // 修改原型
    Editor.prototype = {
        constructor: Editor,
     
        // 添加视频上传
        _initUploadVideo: function _initUploadVideo() {
            this.uploadVideo = new UploadVideo(this);
        },
        // 创建编辑器
        create: function create() {
         
            // 添加 视频上传
            this._initUploadVideo();
        },
     
    };

转自：[https://blog.csdn.net/yong472727322/article/details/79564036?utm\_source=blogxgwz6][https_blog.csdn.net_yong472727322_article_details_79564036_utm_source_blogxgwz6]

[https_blog.csdn.net_m0_37885651_article_details_83660206]: https://blog.csdn.net/m0_37885651/article/details/83660206
[https_blog.csdn.net_yong472727322_article_details_79564036_utm_source_blogxgwz6]: https://blog.csdn.net/yong472727322/article/details/79564036?utm_source=blogxgwz6