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242 lines
11 KiB
242 lines
11 KiB
3 weeks ago
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if (typeof Config.upload.storage !== 'undefined' && Config.upload.storage === 'alioss') {
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require(['upload'], function (Upload) {
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//获取文件MD5值
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var getFileMd5 = function (file, cb) {
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//如果savekey中未检测到md5，则无需获取文件md5，直接返回upload的uuid
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if (!Config.upload.savekey.match(/\{(file)?md5\}/)) {
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cb && cb(file.upload.uuid);
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return;
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}
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require(['../addons/alioss/js/spark'], function (SparkMD5) {
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var blobSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice,
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chunkSize = 10 * 1024 * 1024,
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chunks = Math.ceil(file.size / chunkSize),
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currentChunk = 0,
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spark = new SparkMD5.ArrayBuffer(),
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fileReader = new FileReader();
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fileReader.onload = function (e) {
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spark.append(e.target.result);
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currentChunk++;
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if (currentChunk < chunks) {
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loadNext();
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} else {
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cb && cb(spark.end());
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}
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};
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fileReader.onerror = function () {
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console.warn('文件读取错误');
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};
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function loadNext() {
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var start = currentChunk * chunkSize,
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end = ((start + chunkSize) >= file.size) ? file.size : start + chunkSize;
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fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
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}
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loadNext();
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});
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};
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var _onInit = Upload.events.onInit;
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//初始化中完成判断
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Upload.events.onInit = function () {
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_onInit.apply(this, Array.prototype.slice.apply(arguments));
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//如果上传接口不是阿里OSS，则不处理
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if (this.options.url !== Config.upload.uploadurl) {
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return;
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}
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$.extend(this.options, {
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//关闭自动处理队列功能
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autoQueue: false,
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params: function (files, xhr, chunk) {
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var params = Config.upload.multipart;
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if (chunk) {
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return $.extend({}, params, {
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filesize: chunk.file.size,
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filename: chunk.file.name,
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chunkid: chunk.file.upload.uuid,
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chunkindex: chunk.index,
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chunkcount: chunk.file.upload.totalChunkCount,
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chunksize: this.options.chunkSize,
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chunkfilesize: chunk.dataBlock.data.size,
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width: chunk.file.width || 0,
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height: chunk.file.height || 0,
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type: chunk.file.type,
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uploadId: chunk.file.uploadId,
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key: chunk.file.key,
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});
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} else {
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params = $.extend({}, params, files[0].params);
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params.category = files[0].category || '';
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}
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return params;
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},
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chunkSuccess: function (chunk, file, response) {
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var etag = chunk.xhr.getResponseHeader("ETag").replace(/(^")|("$)/g, '');
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file.etags = file.etags ? file.etags : [];
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file.etags[chunk.index] = etag;
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},
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chunksUploaded: function (file, done) {
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var that = this;
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Fast.api.ajax({
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url: "/addons/alioss/index/upload",
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data: {
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action: 'merge',
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filesize: file.size,
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filename: file.name,
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chunkid: file.upload.uuid,
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chunkcount: file.upload.totalChunkCount,
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md5: file.md5,
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key: file.key,
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uploadId: file.uploadId,
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etags: file.etags,
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category: file.category || '',
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aliosstoken: Config.upload.multipart.aliosstoken,
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},
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}, function (data, ret) {
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done(JSON.stringify(ret));
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return false;
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}, function (data, ret) {
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file.accepted = false;
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that._errorProcessing([file], ret.msg);
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return false;
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});
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},
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});
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var _success = this.options.success;
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//先移除已有的事件
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this.off("success", _success).on("success", function (file, response) {
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var ret = {code: 0, msg: response};
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try {
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if (response) {
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ret = typeof response === 'string' ? JSON.parse(response) : response;
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}
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if (file.xhr.status === 200) {
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if (Config.upload.uploadmode === 'client') {
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ret = {code: 1, data: {url: '/' + file.key}};
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var url = ret.data.url || '';
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Fast.api.ajax({
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url: "/addons/alioss/index/notify",
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data: {name: file.name, url: url, md5: file.md5, size: file.size, width: file.width || 0, height: file.height || 0, type: file.type, category: file.category || '', aliosstoken: Config.upload.multipart.aliosstoken}
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}, function () {
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return false;
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}, function () {
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return false;
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});
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}
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} else {
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console.error(file.xhr);
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}
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} catch (e) {
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console.error(e);
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}
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_success.call(this, file, ret);
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});
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this.on("addedfile", function (file) {
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var that = this;
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setTimeout(function () {
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if (file.status === 'error') {
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return;
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}
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getFileMd5(file, function (md5) {
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var chunk = that.options.chunking && file.size > that.options.chunkSize ? 1 : 0;
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var params = $(that.element).data("params") || {};
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var category = typeof params.category !== 'undefined' ? params.category : ($(that.element).data("category") || '');
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category = typeof category === 'function' ? category.call(that, file) : category;
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Fast.api.ajax({
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url: "/addons/alioss/index/params",
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data: {method: 'POST', category: category, md5: md5, name: file.name, type: file.type, size: file.size, chunk: chunk, chunksize: that.options.chunkSize, aliosstoken: Config.upload.multipart.aliosstoken},
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}, function (data) {
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file.md5 = md5;
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file.id = data.id;
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file.key = data.key;
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file.date = data.date;
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file.uploadId = data.uploadId;
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file.policy = data.policy;
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file.signature = data.signature;
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file.partsAuthorization = data.partsAuthorization;
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file.params = data;
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file.category = category;
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if (file.status != 'error') {
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//开始上传
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that.enqueueFile(file);
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} else {
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that.removeFile(file);
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}
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return false;
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}, function () {
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that.removeFile(file);
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});
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});
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}, 0);
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});
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if (Config.upload.uploadmode === 'client') {
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var _method = this.options.method;
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var _url = this.options.url;
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this.options.method = function (files) {
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if (files[0].upload.chunked) {
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var chunk = null;
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files[0].upload.chunks.forEach(function (item) {
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if (item.status === 'uploading') {
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chunk = item;
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}
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});
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if (!chunk) {
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return "POST";
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} else {
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return "PUT";
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}
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}
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return _method;
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};
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this.options.url = function (files) {
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if (files[0].upload.chunked) {
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var chunk = null;
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files[0].upload.chunks.forEach(function (item) {
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if (item.status === 'uploading') {
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chunk = item;
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}
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});
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var index = chunk.dataBlock.chunkIndex;
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// debugger;
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this.options.headers = {"Authorization": "OSS " + files[0]['id'] + ":" + files[0]['partsAuthorization'][index], "x-oss-date": files[0]['date']};
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if (!chunk) {
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return Config.upload.uploadurl + "/" + files[0].key + "?uploadId=" + files[0].uploadId;
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} else {
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return Config.upload.uploadurl + "/" + files[0].key + "?partNumber=" + (index + 1) + "&uploadId=" + files[0].uploadId;
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}
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}
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return _url;
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};
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this.on("sending", function (file, xhr, formData) {
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var that = this;
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if (file.upload.chunked) {
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var _send = xhr.send;
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xhr.send = function () {
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var chunk = null;
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file.upload.chunks.forEach(function (item) {
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if (item.status == 'uploading') {
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chunk = item;
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}
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});
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if (chunk) {
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_send.call(xhr, chunk.dataBlock.data);
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}
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};
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}
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});
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}
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};
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});
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}
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