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