有个不必现错误，预览初步完成

core_support/tchttpservice/tchttpservice.cpp

@@ -32,18 +32,31 @@ void TCHttpService::apiLogin()
 
     QNetworkReply* reply = nullptr;
 
-   QNetworkRequest request(url);
+    QNetworkRequest request(url);
     for (auto ite = headers.constBegin(); ite != headers.constEnd(); ite++){
        request.setRawHeader(ite.key().toUtf8(), ite.value().toUtf8());
     }
-   reply = m_manager.post(request, jsonData);
+    reply = m_manager.post(request, jsonData);
 
-       QObject::connect(reply, &QNetworkReply::finished, [this, reply]() {
+    QObject::connect(reply, &QNetworkReply::finished, [this, reply]() {
+
+        QJsonDocument jsonDoc = QJsonDocument::fromJson(reply->readAll());
+        if (jsonDoc.isEmpty())
+            return;
+        QJsonObject jsonObj = jsonDoc.object();
+        int code = jsonObj["code"].toInt();
+        if (code == 0) {
+            this->m_token = jsonObj["token"].toString();
+            qDebug() << this->m_token;
+            m_isOnline = true;
+            emit signal_loginSuc();
+        }
+
+    });
 
-       emit requestFinished(reply, "login");
-   });
 }
 
+#if 0
 void TCHttpService::apiMyfileCount()
 {
 
@@ -155,7 +168,7 @@ void TCHttpService::apiMd5(const QString& filePath)
         emit requestFinished(reply, "md5");
     });
 }
-
+#endif
 void TCHttpService::apiUpload(const QString &filePath)
 {
 
@@ -229,10 +242,14 @@ void TCHttpService::apiUpload(const QString &filePath)
     connect(reply, &QNetworkReply::finished, this, [=]() {
         if (reply->error() == QNetworkReply::NoError) {
             qDebug() << "上传成功:";
-            apiMyfileCount();
+            QJsonDocument jsonDoc = QJsonDocument::fromJson(reply->readAll());
+            QJsonObject jsonObj = jsonDoc.object();
+            QString fileUrl = jsonObj["url"].toString();
+            emit signal_uploadFileSec(fileUrl);
         } else {
             qDebug() << "上传失败:" << reply->errorString();
         }
+
         reply->deleteLater();
         multiPart->deleteLater();
     });
@@ -272,6 +289,7 @@ void TCHttpService::setConfiguration(QString userName, QString firstPwd, QString
     this->m_domain = domain;
     this->m_userName = userName;
     this->m_firstPwd = firstPwd;
+#if 0
     connect(this, &TCHttpService::requestFinished, [this](QNetworkReply* reply, QString api){
         QByteArray rawData = reply->readAll();
         if (api == "login") {
@@ -284,11 +302,13 @@ void TCHttpService::setConfiguration(QString userName, QString firstPwd, QString
             if (code == 0) {
                 this->m_token = jsonObj["token"].toString();
                 qDebug() << this->m_token;
-
-                apiMyfileCount();
+                 m_isOnline = true;
+                emit signal_loginSuc();
+                // apiMyfileCount();
 
             }
         }
+#if 0
         if (api == "myfilecount") {
             QJsonDocument jsonDoc = QJsonDocument::fromJson(rawData);
             if (jsonDoc.isEmpty())
@@ -309,6 +329,7 @@ void TCHttpService::setConfiguration(QString userName, QString firstPwd, QString
 
             }
         }
+
         if (api == "myfilenormal") {
             static int loginCnt = 0;
 
@@ -356,14 +377,14 @@ void TCHttpService::setConfiguration(QString userName, QString firstPwd, QString
                 qDebug() << "fileMap size:" << m_fileMap.size();
 #endif
             }
-            if (!m_isOnline) {
-                loginCnt++;
-                qDebug() << "loginCnt:" << loginCnt;
-                if (loginCnt == m_total/10+1) {
-                    m_isOnline = true;
-                    qDebug() << "login success";
-                }
-            }
+            // if (!m_isOnline) {
+            //     loginCnt++;
+            //     qDebug() << "loginCnt:" << loginCnt;
+            //     if (loginCnt == m_total/10+1) {
+            //         m_isOnline = true;
+            //         qDebug() << "login success";
+            //     }
+            // }
 
         }
         // if (api == "upload") {
@@ -376,8 +397,10 @@ void TCHttpService::setConfiguration(QString userName, QString firstPwd, QString
         //     if (code == 0)
         //         this->apiMyfileCount();
         // }
+#endif
         reply->deleteLater();
     });
+#endif
     apiLogin();
 }
 
@@ -396,6 +419,33 @@ void TCHttpService::setUploadNum(int nb)
     this->m_uploadNum = nb;
 }
 
+void TCHttpService::downloadImage(const QString &requestId, const QUrl &imageUrl)
+{
+    QNetworkRequest request(imageUrl);
+    QNetworkReply* reply = m_manager.get(request);
+
+    connect(reply, &QNetworkReply::finished, [this, reply](){
+
+        QString requestId = m_pendingRequests.take(reply);
+
+        if (reply->error() != QNetworkReply::NoError) {
+            emit signal_downloadFailed(requestId, reply->errorString());
+        }
+        else {
+            QPixmap pixmap;
+            if (pixmap.loadFromData(reply->readAll())) {
+                emit signal_imageDownloaded(requestId, pixmap);
+            }
+            else {
+                emit signal_downloadFailed(requestId, "Failed to load image data");
+            }
+        }
+
+        reply->deleteLater();
+    });
+    m_pendingRequests[reply] = requestId;
+}
+
 QUrl TCHttpService::encodeUrl(QString urlStr, QMap<QString, QString> params)
 {
     QUrlQuery query;
@@ -409,20 +459,27 @@ QUrl TCHttpService::encodeUrl(QString urlStr, QMap<QString, QString> params)
     return url;
 }
 
-
-void TCHttpService::updateFileMap(QJsonObject jsonObj)
-{
-    // QString fileMD5 = jsonObj["md5"].toString();
-    // QString fileUrl = jsonObj["http"].toString();
-
-    // QMap<QString, file_info_t>::iterator ite = m_fileMap.begin();
-    // if (ite != m_fileMap.end())
-    //     return;
-
-    // m_fileMap.insert(fileMD5, fileUrl);
-}
-
 TCHttpService::TCHttpService(QObject *parent) : QObject(parent)
 {
 
 }
+
+void TCHttpService::slot_downloadFinished(QNetworkReply *reply)
+{
+    QString requestId = m_pendingRequests.take(reply);
+
+    if (reply->error() != QNetworkReply::NoError) {
+        emit signal_downloadFailed(requestId, reply->errorString());
+    }
+    else {
+        QPixmap pixmap;
+        if (pixmap.loadFromData(reply->readAll())) {
+            emit signal_imageDownloaded(requestId, pixmap);
+        }
+        else {
+            emit signal_downloadFailed(requestId, "Failed to load image data");
+        }
+    }
+
+    reply->deleteLater();
+}

core_support/tchttpservice/tchttpservice.h

@@ -14,9 +14,11 @@
 #include <QJsonArray>
 #include <QFile>
 #include <QFileInfo>
+#include <QPixmap>
 #include <QHttpMultiPart>
 #include <QHttpPart>
 #include <QHttpMultiPart>
+#include <QHash>
 
 class TCHttpService : public QObject
 {
@@ -34,9 +36,11 @@ public:
     static TCHttpService* getInstance();
 
     void apiLogin();
+#if 0
     void apiMyfileCount();
     void apiMyfileNormal(int start, int count);
     void apiMd5(const QString& filePath);
+#endif
     void apiUpload(const QString& filePath);
     void apiSharePicShare(const QString& fileName, const QString& md5);
     void setConfiguration(QString userName, QString firstPwd, QString domain);
@@ -44,16 +48,20 @@ public:
     bool getOnlineState();
     void setUploadNum(int nb);
 
+    void downloadImage(const QString& requestId, const QUrl& imageUrl);
+
 private:
 
     QUrl encodeUrl(QString url, QMap<QString, QString> params);
-    void updateFileMap(QJsonObject jsonObj);
+
 signals:
     void signal_loginSuc();
-    void signal_uploadSuc();
     void signal_shareSuc();
     void signal_uploadFileSec(QString url);
     void requestFinished(QNetworkReply* reply, QString api);
+
+    void signal_imageDownloaded(const QString& requestId, const QPixmap& pixmap);
+    void signal_downloadFailed(const QString& requestId, const QString& error);
 private:
     explicit TCHttpService(QObject *parent = nullptr);
 
@@ -72,6 +80,10 @@ private:
 
     bool m_uploadNum = 0;
 
+    QHash<QNetworkReply*, QString> m_pendingRequests;
+
+private slots:
+    void slot_downloadFinished(QNetworkReply* reply);
 };
 
 #endif // TCHTTPSERVICE_H