switch/public/assets/js/require-upload.js

define(['jquery', 'bootstrap', 'plupload', 'template'], function ($, undefined, Plupload, Template) {
    var Upload = {
            list: {},
            config: {
                container: document.body,
                classname: '.plupload:not([initialized])',
                previewtpl: '<li class="col-xs-3"><a href="<%=fullurl%>" data-url="<%=url%>" target="_blank" class="thumbnail"><img src="<%=fullurl%>" onerror="this.src=\'' + Fast.api.fixurl("ajax/icon") + '?suffix=<%=suffix%>\';this.onerror=null;" class="img-responsive"></a><a href="javascript:;" class="btn btn-danger btn-xs btn-trash"><i class="fa fa-trash"></i></a></li>',
            },
            events: {
                onInit: function (up) {
                    //修复少数安卓浏览器无法上传图片的Bug
                    var input = $("input[type=file]", up.settings.container);
                    if (input && input.prop("accept") && input.prop("accept").match(/image\//)) {
                        input.prop("accept", "image/jpg," + input.prop("accept"));
                    }
                },
                //初始化完成
                onPostInit: function (up) {

                },
                //文件添加成功后
                onFileAdded: function (up, files) {
                    var button = up.settings.button;
                    $(button).data("bakup-html", $(button).html());
                    var maxcount = $(button).data("maxcount");
                    var input_id = $(button).data("input-id") ? $(button).data("input-id") : "";
                    maxcount = typeof maxcount !== "undefined" ? maxcount : 0;
                    if (maxcount > 0 && input_id) {
                        var inputObj = $("#" + input_id);
                        if (inputObj.size() > 0) {
                            var value = $.trim(inputObj.val());
                            var nums = value === '' ? 0 : value.split(/\,/).length;
                            var remains = maxcount - nums;
                            if (files.length > remains) {
                                for (var i = 0; i < files.length; i++) {
                                    up.removeFile(files[i]);
                                }
                                Toastr.error(__('You can upload up to %d file%s', remains));
                                return false;
                            }
                        }
                    }
                    //添加后立即上传
                    setTimeout(function () {
                        up.start();
                    }, 1);
                },
                //上传进行中的回调
                onUploadProgress: function (up, file) {

                },
                //上传之前的回调
                onBeforeUpload: function (up, file) {

                },
                //上传成功的回调
                onUploadSuccess: function (up, ret) {
                    var button = up.settings.button;
                    var onUploadSuccess = up.settings.onUploadSuccess;
                    var data = typeof ret.data !== 'undefined' ? ret.data : null;
                    //上传成功后回调
                    if (button) {
                        //如果有文本框则填充
                        var input_id = $(button).data("input-id") ? $(button).data("input-id") : "";
                        if (input_id) {
                            var urlArr = [];
                            var inputObj = $("#" + input_id);
                            if ($(button).data("multiple") && inputObj.val() !== "") {
                                urlArr.push(inputObj.val());
                            }
                            urlArr.push(data.url);
                            inputObj.val(urlArr.join(",")).trigger("change").trigger("validate");
                        }
                        //如果有回调函数
                        var onDomUploadSuccess = $(button).data("upload-success");
                        if (onDomUploadSuccess) {
                            if (typeof onDomUploadSuccess !== 'function' && typeof Upload.api.custom[onDomUploadSuccess] === 'function') {
                                onDomUploadSuccess = Upload.api.custom[onDomUploadSuccess];
                            }
                            if (typeof onDomUploadSuccess === 'function') {
                                var result = onDomUploadSuccess.call(button, data, ret);
                                if (result === false)
                                    return;
                            }
                        }
                    }

                    if (typeof onUploadSuccess === 'function') {
                        var result = onUploadSuccess.call(button, data, ret);
                        if (result === false)
                            return;
                    }
                },
                //上传错误的回调
                onUploadError: function (up, ret) {
                    var button = up.settings.button;
                    var onUploadError = up.settings.onUploadError;
                    var data = typeof ret.data !== 'undefined' ? ret.data : null;
                    if (button) {
                        var onDomUploadError = $(button).data("upload-error");
                        if (onDomUploadError) {
                            if (typeof onDomUploadError !== 'function' && typeof Upload.api.custom[onDomUploadError] === 'function') {
                                onDomUploadError = Upload.api.custom[onDomUploadError];
                            }
                            if (typeof onDomUploadError === 'function') {
                                var result = onDomUploadError.call(button, data, ret);
                                if (result === false)
                                    return;
                            }
                        }
                    }

                    if (typeof onUploadError === 'function') {
                        var result = onUploadError.call(button, data, ret);
                        if (result === false) {
                            return;
                        }
                    }
                    Toastr.error(ret.msg + "(code:" + ret.code + ")");
                },
                //服务器响应数据后
                onUploadResponse: function (response) {
                    try {
                        var ret = typeof response === 'object' ? response : JSON.parse(response);
                        if (!ret.hasOwnProperty('code')) {
                            $.extend(ret, {code: -2, msg: response, data: null});
                        }
                    } catch (e) {
                        var ret = {code: -1, msg: e.message, data: null};
                    }
                    return ret;
                },
                //上传全部结束后
                onUploadComplete: function (up, files) {
                    var button = up.settings.button;
                    var onUploadComplete = up.settings.onUploadComplete;
                    if (button) {
                        var onDomUploadComplete = $(button).data("upload-complete");
                        if (onDomUploadComplete) {
                            if (typeof onDomUploadComplete !== 'function' && typeof Upload.api.custom[onDomUploadComplete] === 'function') {
                                onDomUploadComplete = Upload.api.custom[onDomUploadComplete];
                            }
                            if (typeof onDomUploadComplete === 'function') {
                                var result = onDomUploadComplete.call(button, files);
                                if (result === false)
                                    return;
                            }
                        }
                    }

                    if (typeof onUploadComplete === 'function') {
                        var result = onUploadComplete.call(button, files);
                        if (result === false) {
                            return;
                        }
                    }
                }
            },
            api: {
                //Plupload上传
                plupload: function (element, onUploadSuccess, onUploadError, onUploadComplete) {
                    element = typeof element === 'undefined' ? Upload.config.classname : element;
                    $(element, Upload.config.container).each(function () {
                        if ($(this).attr("initialized")) {
                            return true;
                        }
                        $(this).attr("initialized", true);
                        var that = this;
                        var id = $(this).prop("id");
                        var url = $(this).data("url");
                        var maxsize = $(this).data("maxsize");
                        var mimetype = $(this).data("mimetype");
                        var multipart = $(this).data("multipart");
                        var multiple = $(this).data("multiple");

                        //填充ID
                        var input_id = $(that).data("input-id") ? $(that).data("input-id") : "";
                        //预览ID
                        var preview_id = $(that).data("preview-id") ? $(that).data("preview-id") : "";

                        //上传URL
                        url = url ? url : Config.upload.uploadurl;
                        url = Fast.api.fixurl(url);
                        //最大可上传文件大小
                        maxsize = typeof maxsize !== "undefined" ? maxsize : Config.upload.maxsize;
                        //文件类型
                        mimetype = typeof mimetype !== "undefined" ? mimetype : Config.upload.mimetype;
                        //请求的表单参数
                        multipart = typeof multipart !== "undefined" ? multipart : Config.upload.multipart;
                        //是否支持批量上传
                        multiple = typeof multiple !== "undefined" ? multiple : Config.upload.multiple;
                        var mimetypeArr = new Array();
                        //支持后缀和Mimetype格式,以,分隔
                        if (mimetype && mimetype !== "*" && mimetype.indexOf("/") === -1) {
                            var tempArr = mimetype.split(',');
                            for (var i = 0; i < tempArr.length; i++) {
                                mimetypeArr.push({title: __('Files'), extensions: tempArr[i]});
                            }
                            mimetype = mimetypeArr;
                        }
                        //生成Plupload实例
                        Upload.list[id] = new Plupload.Uploader({
                            runtimes: 'html5,flash,silverlight,html4',
                            multi_selection: multiple, //是否允许多选批量上传
                            browse_button: id, // 浏览按钮的ID
                            container: $(this).parent().get(0), //取按钮的上级元素
                            flash_swf_url: '/assets/libs/plupload/js/Moxie.swf',
                            silverlight_xap_url: '/assets/libs/plupload/js/Moxie.xap',
                            drop_element: [id, $(this).data("input-id")],
                            filters: {
                                max_file_size: maxsize,
                                mime_types: mimetype,
                            },
                            url: url,
                            multipart_params: $.isArray(multipart) ? {} : multipart,
                            init: {
                                Init: Upload.events.onInit,
                                PostInit: Upload.events.onPostInit,
                                FilesAdded: Upload.events.onFileAdded,
                                BeforeUpload: Upload.events.onBeforeUpload,
                                UploadProgress: function (up, file) {
                                    var button = up.settings.button;
                                    $(button).prop("disabled", true).html("<i class='fa fa-upload'></i> " + __('Upload') + file.percent + "%");
                                    Upload.events.onUploadProgress(up, file);
                                },
                                FileUploaded: function (up, file, info) {
                                    var button = up.settings.button;
                                    //还原按钮文字及状态
                                    $(button).prop("disabled", false).html($(button).data("bakup-html"));
                                    var ret = Upload.events.onUploadResponse(info.response, info, up, file);
                                    file.ret = ret;
                                    if (ret.code === 1) {
                                        Upload.events.onUploadSuccess(up, ret, file);
                                    } else {
                                        Upload.events.onUploadError(up, ret, file);
                                    }
                                },
                                UploadComplete: Upload.events.onUploadComplete,
                                Error: function (up, err) {
                                    var button = up.settings.button;
                                    $(button).prop("disabled", false).html($(button).data("bakup-html"));
                                    var ret = {code: err.code, msg: err.message, data: null};
                                    Upload.events.onUploadError(up, ret);
                                }
                            },
                            onUploadSuccess: onUploadSuccess,
                            onUploadError: onUploadError,
                            onUploadComplete: onUploadComplete,
                            button: that
                        });

                        //拖动排序
                        if (preview_id && multiple) {
                            require(['dragsort'], function () {
                                $("#" + preview_id).dragsort({
                                    dragSelector: "li a:not(.btn-trash)",
                                    dragEnd: function () {
                                        $("#" + preview_id).trigger("fa.preview.change");
                                    },
                                    placeHolderTemplate: '<li class="col-xs-3"></li>'
                                });
                            });
                        }
                        //刷新隐藏textarea的值
                        var refresh = function (name) {
                            var data = {};
                            var textarea = $("textarea[name='" + name + "']");
                            var container = textarea.prev("ul");
                            $.each($("input,select,textarea", container).serializeArray(), function (i, j) {
                                var reg = /\[?(\w+)\]?\[(\w+)\]$/g;
                                var match = reg.exec(j.name);
                                if (!match)
                                    return true;
                                if (!isNaN(match[2])) {
                                    data[i] = j.value;
                                } else {
                                    match[1] = "x" + parseInt(match[1]);
                                    if (typeof data[match[1]] === 'undefined') {
                                        data[match[1]] = {};
                                    }
                                    data[match[1]][match[2]] = j.value;
                                }
                            });
                            var result = [];
                            $.each(data, function (i, j) {
                                result.push(j);
                            });
                            textarea.val(JSON.stringify(result));
                        };
                        if (preview_id && input_id) {
                            $(document.body).on("keyup change", "#" + input_id, function (e) {
                                var inputStr = $("#" + input_id).val();
                                var inputArr = inputStr.split(/\,/);
                                $("#" + preview_id).empty();
                                var tpl = $("#" + preview_id).data("template") ? $("#" + preview_id).data("template") : "";
                                var extend = $("#" + preview_id).next().is("textarea") ? $("#" + preview_id).next("textarea").val() : "{}";
                                var json = {};
                                try {
                                    json = JSON.parse(extend);
                                } catch (e) {
                                }
                                $.each(inputArr, function (i, j) {
                                    if (!j) {
                                        return true;
                                    }
                                    var suffix = /[\.]?([a-zA-Z0-9]+)$/.exec(j);
                                    suffix = suffix ? suffix[1] : 'file';
                                    var data = {url: j, fullurl: Fast.api.cdnurl(j), data: $(that).data(), key: i, index: i, value: (json && typeof json[i] !== 'undefined' ? json[i] : null), suffix: suffix};
                                    var html = tpl ? Template(tpl, data) : Template.render(Upload.config.previewtpl, data);
                                    $("#" + preview_id).append(html);
                                });
                            });
                            $("#" + input_id).trigger("change");
                        }
                        if (preview_id) {
                            //监听文本框改变事件
                            $("#" + preview_id).on('change keyup', "input,textarea,select", function () {
                                refresh($(this).closest("ul").data("name"));
                            });
                            // 监听事件
                            $(document.body).on("fa.preview.change", "#" + preview_id, function () {
                                var urlArr = [];
                                $("#" + preview_id + " [data-url]").each(function (i, j) {
                                    urlArr.push($(this).data("url"));
                                });
                                if (input_id) {
                                    $("#" + input_id).val(urlArr.join(","));
                                }
                                refresh($("#" + preview_id).data("name"));
                            });
                            // 移除按钮事件
                            $(document.body).on("click", "#" + preview_id + " .btn-trash", function () {
                                $(this).closest("li").remove();
                                $("#" + preview_id).trigger("fa.preview.change");
                            });
                        }
                        if (input_id) {
                            //粘贴上传
                            $("body").on('paste', "#" + input_id, function (event) {
                                var that = this;
                                var image, pasteEvent;
                                pasteEvent = event.originalEvent;
                                if (pasteEvent.clipboardData && pasteEvent.clipboardData.items) {
                                    image = Upload.api.getImageFromClipboard(pasteEvent);
                                    if (image) {
                                        event.preventDefault();
                                        var button = $(".plupload[data-input-id='" + $(that).attr("id") + "']");
                                        Upload.api.send(image, function (data) {
                                            var urlArr = [];
                                            if (button && button.data("multiple") && $(that).val() !== '') {
                                                urlArr.push($(that).val());
                                            }
                                            urlArr.push(data.url);
                                            $(that).val(urlArr.join(",")).trigger("change").trigger("validate");
                                        });
                                    }
                                }
                            });
                            //拖拽上传
                            $("body").on('drop', "#" + input_id, function (event) {
                                var that = this;
                                var images, pasteEvent;
                                pasteEvent = event.originalEvent;
                                if (pasteEvent.dataTransfer && pasteEvent.dataTransfer.files) {
                                    images = Upload.api.getImageFromDrop(pasteEvent);
                                    if (images.length > 0) {
                                        event.preventDefault();
                                        var button = $(".plupload[data-input-id='" + $(that).attr("id") + "']");
                                        $.each(images, function (i, image) {
                                            Upload.api.send(image, function (data) {
                                                var urlArr = [];
                                                if (button && button.data("multiple") && $(that).val() !== '') {
                                                    urlArr.push($(that).val());
                                                }
                                                urlArr.push(data.url);
                                                $(that).val(urlArr.join(",")).trigger("change").trigger("validate");
                                            });
                                        });
                                    }
                                }
                            });
                        }
                        Upload.list[id].init();
                    });
                },
                // AJAX异步上传
                send: function (file, onUploadSuccess, onUploadError, onUploadComplete) {
                    var index = Layer.msg(__('Uploading'), {offset: 't', time: 0});
                    var id = Plupload.guid();
                    var _onPostInit = Upload.events.onPostInit;
                    Upload.events.onPostInit = function () {
                        // 当加载完成后添加文件并上传
                        Upload.list[id].addFile(file);
                        //Upload.list[id].start();
                    };
                    $('<button type="button" id="' + id + '" class="btn btn-danger hidden plupload" />').appendTo("body");
                    $("#" + id).data("upload-complete", function (files) {
                        Upload.events.onPostInit = _onPostInit;
                        Layer.close(index);
                    });
                    Upload.api.plupload("#" + id, onUploadSuccess, onUploadError, onUploadComplete);
                },
                custom: {
                    //自定义上传完成回调
                    afteruploadcallback: function (response) {
                        console.log(this, response);
                        alert("Custom Callback,Response URL:" + response.url);
                    },
                },
                getImageFromClipboard: function (data) {
                    var i, item;
                    i = 0;
                    while (i < data.clipboardData.items.length) {
                        item = data.clipboardData.items[i];
                        if (item.type.indexOf("image") !== -1) {
                            return item.getAsFile() || false;
                        }
                        i++;
                    }
                    return false;
                },
                getImageFromDrop: function (data) {
                    var i, item, images;
                    i = 0;
                    images = [];
                    while (i < data.dataTransfer.files.length) {
                        item = data.dataTransfer.files[i];
                        if (item.type.indexOf("image") !== -1) {
                            images.push(item);
                        }
                        i++;
                    }
                    return images;
                }
            }
        }
    ;

    return Upload;
});