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Author SHA1 Message Date
wuyize f65f9f3dbb Merge remote-tracking branch 'origin/main' into main 2023-07-05 21:14:55 +08:00
wuyize d5d707f891 初步实现上传 2023-07-05 21:14:33 +08:00
10 changed files with 379 additions and 123 deletions
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4
AicsKnowledgeBase/qml/LoginWindow.qml
View File

@ -108,8 +108,8 @@ AppFluWindow {
}, function (p1, p2) {
console.log(p1)
console.log(p2)
FluApp.navigate("/")
window.close()
//FluApp.navigate("/")
//window.close()
btn_login.disabled = false
btn_login.text = "登录"
})

14
AicsKnowledgeBase/qml/MainWindow.qml
View File

@ -89,20 +89,6 @@ FluWindow {
title_bar.maximizeButton.visible = true
// window.backgroundVisible = false
window.show()
Request.post(
"knowledge/file", "{\n"
+ " \"name\": \"特东局却热\",\n" + " \"brief\": \"fugiat occaecat\",\n"
+ " \"size\": 88,\n" + " \"sha256\": \"ea incididunt pariatur\",\n"
+ " \"tags\": [\n" + " 43,\n"
+ " 45\n" + " ],\n" + " \"parentId\": \"4\"\n" + "}",
function (p1, p2) {
console.log(p1)
console.log(p2)
}, function (p1, p2) {
console.log(p1)
console.log(p2)
})
}
}
}

102
AicsKnowledgeBase/qml/component/TransferListPopup.qml
View File

@ -2,7 +2,9 @@ import QtQuick
import QtQuick.Controls
import QtQuick.Window
import QtQuick.Layouts
import Qt5Compat.GraphicalEffects
import FluentUI
import AicsKB.FileTransferManager
Popup {
id: transfer_popup
@ -21,21 +23,99 @@ Popup {
anchors.topMargin: 10
ColumnLayout {
Layout.fillWidth: true
Layout.bottomMargin: -10
spacing: 0
Repeater {
model: FileTransferListModel
delegate: ColumnLayout {
Layout.bottomMargin: 10
spacing: 10
width: parent.width
Text {
text: name
delegate: Item {
Layout.fillWidth: true
height: 50
ColumnLayout {
anchors.fill: parent
anchors.margins: 5
spacing: 2
Text {
text: name
}
FluProgressBar {
Layout.fillWidth: true
progress: completedSize / totalSize
indeterminate: false
}
Text {
color: FluColors.Grey130
text: formatSize(speed) + "/s - " + formatSize(
completedSize) + "/" + formatSize(
totalSize)
/**
* 格式化文件大小, 输出成带单位的字符串
* @param {Number} size 文件大小
* @param {Number} [pointLength=1] 精确到的小数点数。
* @param {Array} [units=[ 'B', 'K', 'M', 'G', 'TB' ]] 单位数组。从字节，到千字节，一直往上指定。
* 如果单位数组里面只指定了到了K(千字节)，同时文件大小大于M, 此方法的输出将还是显示成多少K.
*/
function formatSize(size, pointLength, units) {
var unit
units = units || ['B', 'KB', 'MB', 'GB', 'TB']
while ((unit = units.shift()) && size > 1024) {
size = size / 1024
}
return (unit === 'B' ? size : size.toFixed(
pointLength === undefined ? 1 : pointLength)) + ' ' + unit
}
}
}
FluProgressBar {
Layout.fillWidth: true
progress: completedSize / totalSize
indeterminate: false
MouseArea {
anchors.fill: parent
hoverEnabled: true
onEntered: file_buttons.visible = true
onExited: file_buttons.visible = false
LinearGradient {
anchors.fill: file_buttons
visible: file_buttons.visible
start: Qt.point(0, 0)
end: Qt.point(20, 0)
gradient: Gradient {
GradientStop {
position: 0.0
color: "transparent"
}
GradientStop {
position: 1.0
color: "#f8f8f8"
}
}
}
RowLayout {
id: file_buttons
anchors.right: parent.right
anchors.top: parent.top
anchors.bottom: parent.bottom
layoutDirection: Qt.RightToLeft
visible: false
FluIconButton {
iconSource: FluentIcons.Cancel
}
FluIconButton {
Layout.leftMargin: 20
iconSource: paused ? FluentIcons.Play : FluentIcons.Pause
onClicked: {
if (!paused) {
console.log("pause")
FileTransferManager.pause(fileId)
}
}
}
}
}
}
}

2
AicsKnowledgeBase/qml/global/Request.qml
View File

@ -5,7 +5,7 @@ import QtQuick
QtObject {
id: request
property string baseUrl: "http://127.0.0.1:4523/m1/2914957-0-5604d062/"
property string baseUrl: "https://api.hammer-hfut.tk:233/aics/main/"
//property string baseUrl: "http://192.168.156.74:8080/"
// GET

51
AicsKnowledgeBase/qml/page/ContentPage.qml
View File

@ -145,7 +145,9 @@ FluArea {
}
onClicked: {
emit: content_area.download(content_area.knowledgeFileId)
FileTransferManager.download(content_area.knowledgeFileId)
// FileTransferManager.download(content_area.knowledgeFileId)
FileTransferManager.download(
"4973c59e-3ba1-41f2-a57e-3b53c2b5e2a4")
}
}
}
@ -216,7 +218,6 @@ FluArea {
Layout.fillWidth: true
implicitHeight: 400
}
}
Component {
id: other_view
@ -231,28 +232,28 @@ FluArea {
}
}
// Item {
// Layout.fillWidth: true
// implicitHeight: 50
// FluText {
// id: text_note
// text: "笔记"
// padding: 10
// font {
// pointSize: 15
// bold: true
// }
// }
// FluTextButton {
// id: button_publish
// text: "发布笔记"
// hoverColor: "blue"
// normalColor: "black"
// anchors {
// verticalCenter: text_note.verticalCenter
// right: parent.right
// }
// }
// }
// Item {
// Layout.fillWidth: true
// implicitHeight: 50
// FluText {
// id: text_note
// text: "笔记"
// padding: 10
// font {
// pointSize: 15
// bold: true
// }
// }
// FluTextButton {
// id: button_publish
// text: "发布笔记"
// hoverColor: "blue"
// normalColor: "black"
// anchors {
// verticalCenter: text_note.verticalCenter
// right: parent.right
// }
// }
// }
}
}

29
AicsKnowledgeBase/qml/page/FilePage.qml
View File

@ -7,6 +7,7 @@ import QtQuick.Dialogs
import FluentUI
import AicsKB.FileTransferManager
import "qrc:///AicsKnowledgeBase/qml/component"
import "qrc:///AicsKnowledgeBase/qml/global"
FluArea {
property string url: ''
@ -32,7 +33,33 @@ FluArea {
FileDialog {
id: fileDialog
onAccepted: function () {
FileTransferManager.upload(selectedFile)
const size = FileTransferManager.getFileSize(selectedFile)
const md5 = FileTransferManager.getFileMd5(selectedFile)
if (size <= 0 || md5 === '')
return
var body = {
"name": "test2",
"brief": "brief",
"size": size,
"md5": md5,
"tags": [],
"parentId": null
}
console.log("begin")
console.log(JSON.stringify(body))
Request.post("knowledge/file", JSON.stringify(body),
function (res, data) {
console.log(res)
console.log(data)
FileTransferManager.upload(selectedFile,
data.id,
data.ticket)
}, function (res, data) {
console.log(res)
})
}
}
}

6
AicsKnowledgeBase/src/FileTransferListModel.cpp
View File

@ -7,6 +7,8 @@ FileTransferListModel::FileTransferListModel(QObject *parent)
m_roleName.insert(kNameRole, "name");
m_roleName.insert(kCompletedSizeRole, "completedSize");
m_roleName.insert(kTotalSizeRole, "totalSize");
m_roleName.insert(kSpeedRole, "speed");
m_roleName.insert(kPausedRole, "paused");
m_data = {
{"v", "vivo", 1200, 2000},
@ -42,6 +44,10 @@ QVariant FileTransferListModel::data(const QModelIndex &index, int role) const
return m_data.value(index.row()).completedSize;
case kTotalSizeRole:
return m_data.value(index.row()).totalSize;
case kSpeedRole:
return m_data.value(index.row()).speed;
case kPausedRole:
return m_data.value(index.row()).paused;
default:
break;
}

6
AicsKnowledgeBase/src/FileTransferListModel.h
View File

@ -11,6 +11,8 @@ struct FileItem
QString name;
int64_t completedSize;
int64_t totalSize;
int64_t speed;
bool paused = false;
};
@ -39,7 +41,9 @@ public:
kIdRole = Qt::UserRole + 1,
kNameRole,
kCompletedSizeRole,
kTotalSizeRole
kTotalSizeRole,
kSpeedRole,
kPausedRole
};
private:
explicit FileTransferListModel(QObject *parent = nullptr);

277
AicsKnowledgeBase/src/FileTransferManager.cpp
View File

@ -9,7 +9,9 @@
#include <QtConcurrent/QtConcurrent>
#include <fstream>
static const std::string baseUrl = "http://127.0.0.1:4523/m1/2914957-0-default/";
static const std::string baseUrl = "https://api.hammer-hfut.tk:233/aics/file/";
//static const std::string baseUrl = "http://127.0.0.1:4523/m1/2914957-0-6e5f2db1/";
//static const std::string baseUrl = "https://quic.nginx.org/";
static size_t writeDataCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
@ -28,24 +30,26 @@ static size_t writeDataCallback(void *contents, size_t size, size_t nmemb, void
return 0;
}
CURLcode httpGet(const std::string &url, std::string &response, int timeout = 3000)
CURLcode
httpGet(const std::string &url, std::string &response, long httpVersion = CURL_HTTP_VERSION_3ONLY, int timeout = 3000)
{
CURLcode res;
// 获取easy handle
CURL *easy_handle = curl_easy_init();
if (nullptr == easy_handle) {
curl_global_cleanup();
return CURLE_FAILED_INIT;
}
if (!easy_handle) return CURLE_FAILED_INIT;
// 设置easy handle属性
//curl_easy_setopt(easy_handle, CURLOPT_HTTP_VERSION, (long) CURL_HTTP_VERSION_3ONLY);
curl_easy_setopt(easy_handle, CURLOPT_VERBOSE, 1L);
curl_easy_setopt(easy_handle, CURLOPT_HTTP_VERSION, httpVersion);
curl_easy_setopt(easy_handle, CURLOPT_URL, (baseUrl + url).c_str());
curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, writeDataCallback);
curl_easy_setopt(easy_handle, CURLOPT_TIMEOUT, timeout);
curl_easy_setopt(easy_handle, CURLOPT_WRITEDATA, (void *) &response);
curl_easy_setopt(easy_handle, CURLOPT_FOLLOWLOCATION, 1L);
//curl_easy_setopt(easy_handle, CURLOPT_DEFAULT_PROTOCOL, "https");
//curl_easy_setopt(easy_handle, CURLOPT_SSL_VERIFYPEER, 0L);
//curl_easy_setopt(easy_handle, CURLOPT_SSL_VERIFYHOST, 0L);//不验证证书和HOST
// 执行数据请求
res = curl_easy_perform(easy_handle);
curl_easy_cleanup(easy_handle);
@ -55,55 +59,78 @@ CURLcode httpGet(const std::string &url, std::string &response, int timeout = 30
FileTransferManager::FileTransferManager(QObject *parent)
: QObject(parent)
{
std::string resData;
if (CURLE_OK == httpGet("file/hello", resData))
qDebug() << "HTTP3 OK\n" << resData.c_str();
else
qDebug() << "HTTP3 FAILED";
}
int64_t completedSize = 0;
void FileTransferManager::upload(QUrl fileUrl)
size_t readDataFunc(void *ptr, size_t size, size_t nmemb, void *file)
{
auto s = reinterpret_cast<QFile *>(file)->read(reinterpret_cast<char *>(ptr),
size * nmemb);
completedSize += s;
qDebug() << std::format("Uploading: {} / {}", completedSize,
reinterpret_cast<QFile *>(file)->size()).c_str();
return s;
}
void FileTransferManager::upload(const QUrl &fileUrl, const QString &fileId, const QString &ticket)
{
qDebug() << fileUrl.fileName();
QFile file = fileUrl.toLocalFile();
if (!file.open(QIODevice::ReadOnly))
return;
auto fileSize = file.size();
CURL *curl;
CURLcode res;
curl = curl_easy_init();
if (curl) {
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_easy_setopt(curl, CURLOPT_URL, "http://127.0.0.1:4523/m1/2914957-0-default/");
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_DEFAULT_PROTOCOL, "https");
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "User-Agent: Apifox/1.0.0 (https://apifox.com)");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_mime *mime;
curl_mimepart *part;
mime = curl_mime_init(curl);
part = curl_mime_addpart(mime);
curl_mime_name(part, "ticket");
curl_mime_data(part, "<ticket>", CURL_ZERO_TERMINATED);
part = curl_mime_addpart(mime);
curl_mime_name(part, "rangeStart");
curl_mime_data(part, "<rangeStart>", CURL_ZERO_TERMINATED);
part = curl_mime_addpart(mime);
curl_mime_name(part, "rangeEnd");
curl_mime_data(part, "<rangeEnd>", CURL_ZERO_TERMINATED);
part = curl_mime_addpart(mime);
curl_mime_name(part, "data");
curl_mime_filedata(part, "<data>");
curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
res = curl_easy_perform(curl);
curl_mime_free(mime);
}
CURL *curl = curl_easy_init();
if (!curl)
return;
curl_easy_setopt(curl, CURLOPT_URL, (baseUrl + "file/" + fileId.toStdString()).c_str());
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_DEFAULT_PROTOCOL, "https");
curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_3ONLY);
curl_httppost *formpost = nullptr;
curl_httppost *lastptr = nullptr;
curl_formadd(&formpost, &lastptr, CURLFORM_COPYNAME, "ticket",
CURLFORM_COPYCONTENTS, ticket.toStdString().c_str(),
CURLFORM_END);
curl_formadd(&formpost, &lastptr, CURLFORM_COPYNAME, "rangeStart",
CURLFORM_COPYCONTENTS, std::to_string(0).c_str(),
CURLFORM_END);
curl_formadd(&formpost, &lastptr, CURLFORM_COPYNAME, "rangeEnd",
CURLFORM_COPYCONTENTS, std::to_string(fileSize).c_str(),
CURLFORM_END);
curl_formadd(&formpost, &lastptr,
CURLFORM_COPYNAME, "data",
CURLFORM_STREAM, &file,
CURLFORM_CONTENTLEN, fileSize,
CURLFORM_END);
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, readDataFunc);
qDebug() << "Begin Upload";
completedSize = 0;
res = curl_easy_perform(curl);
if (res == CURLE_OK)
qDebug() << "Upload Success";
else
qDebug() << "Upload Failed";
curl_easy_cleanup(curl);
curl_formfree(formpost);
file.close();
}
struct FileTransfering : FileItem
{
CURL *curlHandle = nullptr;
std::ofstream file;
};
curl_off_t getHttpFileSize(const std::string &url)
{
curl_off_t fileLength = 0;
@ -112,6 +139,7 @@ curl_off_t getHttpFileSize(const std::string &url)
curl_easy_setopt(handle, CURLOPT_URL, url.c_str());
curl_easy_setopt(handle, CURLOPT_HEADER, 0); //只需要header头
curl_easy_setopt(handle, CURLOPT_NOBODY, 1); //不需要body
curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 1L);
if (curl_easy_perform(handle) == CURLE_OK)
curl_easy_getinfo(handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T, &fileLength);
@ -123,28 +151,66 @@ curl_off_t getHttpFileSize(const std::string &url)
return fileLength;
}
struct FileTransfering : FileItem
{
CURL *curlHandle = nullptr;
std::ofstream file;
};
size_t receiveDataFunc(const void *ptr, size_t size, size_t nmemb, void *obj)
{
auto buf = (FileTransfering *) obj;
auto writeSize = size * nmemb;
buf->file.write(reinterpret_cast<const char *>(ptr), writeSize);
buf->completedSize += writeSize;
qDebug() << std::format("Downloading: {} / {}", buf->completedSize, buf->totalSize).c_str();
QTimer::singleShot(0, qApp, [buf]() {
FileTransferListModel::instance().setItem(static_cast<FileItem>(*buf));
});
return writeSize;
}
static int xferinfo(void *p, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow)
{
auto fileTrans = (FileTransfering *) p;
curl_off_t speed = 0;
curl_easy_getinfo(fileTrans->curlHandle, CURLINFO_SPEED_DOWNLOAD_T, &speed);
fileTrans->completedSize += dlnow;
fileTrans->speed = speed;
qDebug() << std::format("Downloading: {} / {}, Speed: {}", fileTrans->completedSize, fileTrans->totalSize,
speed).c_str();
auto item = static_cast<FileItem>(*fileTrans);
QTimer::singleShot(0, qApp, [item]() {
FileTransferListModel::instance().setItem(item);
});
if (fileTrans->paused) {
qDebug() << "Pause";
return 1;
}
fileTrans->completedSize -= dlnow;
return 0;
}
std::unordered_map<QString, FileTransfering> transferMap;
std::mutex transferMapMutex;
bool httpDownload(const std::string &url, const FileItem &item)
{
auto fileSize = getHttpFileSize(url);//获得文件大小。
if (fileSize != -1) {
qDebug() << "FileSize: " << fileSize;
FileTransfering obj = (FileTransfering) item;
transferMapMutex.lock();
auto [iter, _] = transferMap.emplace(item.id, (FileTransfering) item);
transferMapMutex.unlock();
FileTransfering &obj = iter->second;
obj.curlHandle = curl_easy_init();
if (!obj.curlHandle)
@ -157,19 +223,29 @@ bool httpDownload(const std::string &url, const FileItem &item)
curl_easy_cleanup(obj.curlHandle);
return false;
} else {
curl_easy_setopt(obj.curlHandle, CURLOPT_VERBOSE, 0L);
curl_easy_setopt(obj.curlHandle, CURLOPT_HEADER, 0);
curl_easy_setopt(obj.curlHandle, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(obj.curlHandle, CURLOPT_NOSIGNAL, 1L);
curl_easy_setopt(obj.curlHandle, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(obj.curlHandle, CURLOPT_URL, url.c_str());
curl_easy_setopt(obj.curlHandle, CURLOPT_WRITEDATA, (void *) &obj);
curl_easy_setopt(obj.curlHandle, CURLOPT_WRITEFUNCTION, receiveDataFunc);
curl_easy_setopt(obj.curlHandle, CURLOPT_NOPROGRESS, false);//设为false 下面才能设置进度响应函数
curl_easy_setopt(obj.curlHandle, CURLOPT_XFERINFOFUNCTION, xferinfo);
curl_easy_setopt(obj.curlHandle, CURLOPT_XFERINFODATA, &obj);
//下载
auto res = curl_easy_perform(obj.curlHandle);
curl_easy_cleanup(obj.curlHandle);
obj.file.close();
return res == CURLE_OK && obj.completedSize == obj.totalSize;
transferMapMutex.lock();
transferMap.erase(obj.id);
transferMapMutex.unlock();
return res == CURLE_OK;
}
} else
return false;
@ -178,18 +254,91 @@ bool httpDownload(const std::string &url, const FileItem &item)
void FileTransferManager::download(QString fileId)
{
static int _fileId = 0;
fileId = QString::number(_fileId++);
//fileId = QString::number(_fileId++);
QtConcurrent::run([fileId, this] {
qDebug() << "Start Get";
std::string resData;
if (CURLE_OK != httpGet(fileId.toStdString() + "/status", resData))
if (CURLE_OK != httpGet("File/" + fileId.toStdString() + "/status", resData))
return;
qDebug() << resData.c_str();
auto resJson = QJsonDocument::fromJson(resData.c_str());
//if(!resJson["isCompleted"].toBool())
return;
/* int size = resJson["size"].toInt();
FileItem item{fileId, resJson["md5"].toString(), 0, size};
QTimer::singleShot(0, qApp, [this, item]() {
FileTransferListModel::instance().insertItem(item);
});*/
auto fileUrl = "https://curl.se/download/curl-8.1.2.zip";
/* curl_slist *headers = nullptr;
headers = curl_slist_append(headers, "Range: bytes=0-");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);*/
int64_t size = getHttpFileSize(fileUrl);
FileItem item{fileId, fileId, 0, size};
auto res = httpDownload(fileUrl, item);
qDebug() << "End Get" << res;
});
}
void FileTransferManager::pause(const QString &fileId)
{
transferMapMutex.lock();
transferMap[fileId].paused = true;
transferMapMutex.unlock();
}
QString FileTransferManager::getFileMd5(const QUrl &fileUrl)
{
QFile sourceFile = fileUrl.toLocalFile();
if (sourceFile.open(QIODevice::ReadOnly)) {
QCryptographicHash hash(QCryptographicHash::Md5);
QByteArray buffer;
while ((buffer = sourceFile.read(10240)).size() > 0) {
hash.addData(buffer);
}
sourceFile.close();
return {hash.result().toHex()};
}
return {};
}
int64_t FileTransferManager::getFileSize(const QUrl &fileUrl)
{
return QFile(fileUrl.toLocalFile()).size();
}
void FileTransferManager::resume(const QString &fileId)
{
QtConcurrent::run([fileId, this] {
qDebug() << "Start Get";
std::string resData;
if (CURLE_OK != httpGet("File/" + fileId.toStdString() + "/status", resData, CURL_HTTP_VERSION_1_1))
return;
qDebug() << resData.c_str();
return;
auto resJson = QJsonDocument::fromJson(resData.c_str());
//if(!resJson["isCompleted"].toBool())
// return;
@ -202,8 +351,14 @@ void FileTransferManager::download(QString fileId)
auto fileUrl = "https://curl.se/download/curl-8.1.2.zip";
/* curl_slist *headers = nullptr;
headers = curl_slist_append(headers, "Range: bytes=0-");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);*/
int64_t size = getHttpFileSize(fileUrl);
FileItem item{fileId, resJson["md5"].toString(), 0, size};
FileItem item{fileId, fileId, 0, size};
QTimer::singleShot(0, qApp, [this, item]() {
FileTransferListModel::instance().insertItem(item);
});
@ -211,20 +366,8 @@ void FileTransferManager::download(QString fileId)
auto res = httpDownload(fileUrl, item);
while (item.completedSize < item.totalSize && false) {
item.completedSize += 1;
QTimer::singleShot(0, qApp, [this, item]() {
FileTransferListModel::instance().setItem(item);
});
using namespace std::chrono_literals;
std::this_thread::sleep_for(100ms);
}
qDebug() << "End Get" << res;
});
}

11
AicsKnowledgeBase/src/FileTransferManager.h
View File

@ -8,17 +8,26 @@
#include <QObject>
#include <QUrl>
#include <unordered_map>
#include "FileTransferListModel.h"
class FileTransferManager : public QObject
{
Q_OBJECT
public:
explicit FileTransferManager(QObject *parent = nullptr);
Q_INVOKABLE void upload(QUrl fileUrl);
Q_INVOKABLE int64_t getFileSize(const QUrl& fileUrl);
Q_INVOKABLE QString getFileMd5(const QUrl& fileUrl);
Q_INVOKABLE void upload(const QUrl& fileUrl, const QString& fileId, const QString& ticket);
Q_INVOKABLE void download(QString fileId);
Q_INVOKABLE void pause(const QString& fileId);
Q_INVOKABLE void resume(const QString& fileId);
private:
};