Season 2

.gitignore

@@ -33,3 +33,6 @@ ui_*.h
 /server/VarifyServer/.idea
 /server/ChatServer/*.log
 /client/llfcchat/llfcchat.pro.user.92bdd7d
+client/llfcchat/release/
+bin/static/*
+

README.md

@@ -64,6 +64,44 @@ C++ 聊天项目实战案例，涵盖grpc，并发线程，网络编程，qt开
 
 [day29-好友认证和聊天](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day29-%E5%A5%BD%E5%8F%8B%E8%AE%A4%E8%AF%81%E5%92%8C%E8%81%8A%E5%A4%A9%E9%80%9A%E4%BF%A1.md)
 
+[day30-项目难点和面试技巧](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day30-%E9%A1%B9%E7%9B%AE%E9%9A%BE%E7%82%B9%E5%92%8C%E9%9D%A2%E8%AF%95%E6%8A%80%E5%B7%A7.md)
+
+[day31-好友认证和聊天](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day31-%E6%96%87%E4%BB%B6%E4%BC%A0%E8%BE%93.md)
+
+**第二季**
+
+代码需要切换到Season_2分支，可查看第二季逻辑
+
+[day32-分布式锁设计思路](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day32%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81%E8%AE%BE%E8%AE%A1%E6%80%9D%E8%B7%AF.md)
+
+[day33-单服务器踢人逻辑](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day33%E5%8D%95%E6%9C%8D%E7%A8%8B%E8%B8%A2%E4%BA%BA%E9%80%BB%E8%BE%91.md)
+
+[day34-多服务器踢人逻辑](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day34%E5%A4%9A%E6%9C%8D%E7%A8%8B%E8%B8%A2%E4%BA%BA%E9%80%BB%E8%BE%91.md)
+
+[day35-心跳逻辑](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day35%E5%BF%83%E8%B7%B3%E9%80%BB%E8%BE%91.md)
+
+[day36-实现头像编辑框](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day36-%E5%AE%9E%E7%8E%B0%E5%A4%B4%E5%83%8F%E7%BC%96%E8%BE%91%E6%A1%86.md)
+
+[day37-聊天信息存储方案](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day37-%E8%81%8A%E5%A4%A9%E4%BF%A1%E6%81%AF%E5%AD%98%E5%82%A8%E6%96%B9%E6%A1%88.md)
+
+[day38-断点续传](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day38-%E6%96%AD%E7%82%B9%E7%BB%AD%E4%BC%A0.md)
+
+[day39-多媒体信息传输](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day39-%E5%A4%9A%E5%AA%92%E4%BD%93%E4%BF%A1%E6%81%AF%E4%BC%A0%E8%BE%93.md)
+
+[day40-聊天图片资源续传和进度显示](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day40-%E8%81%8A%E5%A4%A9%E5%9B%BE%E7%89%87%E8%B5%84%E6%BA%90%E7%BB%AD%E4%BC%A0%E5%92%8C%E8%BF%9B%E5%BA%A6%E6%98%BE%E7%A4%BA.md)
+
+[day41-分布式事务死锁解决方案](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day41-%E5%88%86%E5%B8%83%E5%BC%8F%E6%AD%BB%E9%94%81%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88.md)
+
+[day42-Qt粘包引发的血案](https://gitee.com/secondtonone1/llfcchat/blob/master/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day42-Qt%E7%B2%98%E5%8C%85%E5%BC%95%E5%8F%91%E7%9A%84%E8%A1%80%E6%A1%88.md)
+
+[day43-Grpc通知客户端聊天资源下载](https://gitee.com/secondtonone1/llfcchat/blob/Season_2/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day41-%E9%80%9A%E7%9F%A5%E5%AE%A2%E6%88%B7%E7%AB%AF%E5%BC%82%E6%AD%A5%E4%B8%8B%E8%BD%BD%E8%81%8A%E5%A4%A9%E5%9B%BE%E7%89%87.md)
+
+[day43-用户登录加载聊天资源](https://gitee.com/secondtonone1/llfcchat/blob/Season_2/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day42-%E7%94%A8%E6%88%B7%E5%8A%A0%E8%BD%BD%E8%81%8A%E5%A4%A9%E8%B5%84%E6%BA%90.md)
+
+[day44-webrtc的coturn服务器搭建](https://gitee.com/secondtonone1/llfcchat/blob/Season_2/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day43-webrtc%E7%9A%84coturn%E6%9C%8D%E5%8A%A1%E6%90%AD%E5%BB%BA.md)
+
+[day45-信令服务器实现视频通信](https://gitee.com/secondtonone1/llfcchat/blob/Season_2/%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3/day44-webrtc%E4%BF%A1%E4%BB%A4%E6%9C%8D%E5%8A%A1%E5%99%A8%E5%AE%9E%E7%8E%B0.md)
+
 #### 赞赏
 
 您的赞赏是我更新的动力，谢谢支持！

client/llfcchat/ChatItemBase.cpp

@@ -88,3 +88,12 @@ void ChatItemBase::setStatus(int status)
         return ;
     }
 }
+
+
+QLabel* ChatItemBase::getIconLabel() {
+    return m_pIconLabel;
+}
+
+QWidget* ChatItemBase::getBubble() {
+    return m_pBubble;
+}

client/llfcchat/ChatItemBase.h

@@ -16,6 +16,8 @@ class ChatItemBase : public QWidget
     void setUserIcon(const QPixmap &icon);
     void setWidget(QWidget *w);
     void setStatus(int status);
+    QLabel* getIconLabel();
+    QWidget* getBubble();
 private:
     ChatRole m_role;
     QLabel *m_pNameLabel;

client/llfcchat/ClickableLabel.cpp

@@ -0,0 +1,74 @@
+#include "ClickableLabel.h"
+#include <QMouseEvent>
+#include <QPainter>
+// ClickableLabel.cpp
+ClickableLabel::ClickableLabel(QWidget* parent)
+    : QLabel(parent)
+    , m_showOverlay(false)
+    , m_hovered(false)
+{
+    setCursor(Qt::PointingHandCursor);
+    setMouseTracking(true);
+}
+
+void ClickableLabel::mousePressEvent(QMouseEvent* event)
+{
+    if (event->button() == Qt::LeftButton) {
+        emit clicked();
+    }
+    QLabel::mousePressEvent(event);
+}
+
+void ClickableLabel::enterEvent(QEvent* event)
+{
+    m_hovered = true;
+    update();
+    QLabel::enterEvent(event);
+}
+
+void ClickableLabel::leaveEvent(QEvent* event)
+{
+    m_hovered = false;
+    update();
+    QLabel::leaveEvent(event);
+}
+
+void ClickableLabel::paintEvent(QPaintEvent* event)
+{
+    QLabel::paintEvent(event);
+
+    if (m_showOverlay && !m_overlayIcon.isNull()) {
+        QPainter painter(this);
+
+        // ���ư�͸������
+        if (m_hovered) {
+            painter.fillRect(rect(), QColor(0, 0, 0, 100));
+        }
+        else {
+            painter.fillRect(rect(), QColor(0, 0, 0, 60));
+        }
+
+        // ����ͼ��
+        int iconSize = qMin(width(), height()) / 3; // ͼ���СΪͼƬ��1/3
+        QRect iconRect(
+            (width() - iconSize) / 2,
+            (height() - iconSize) / 2,
+            iconSize,
+            iconSize
+        );
+
+        m_overlayIcon.paint(&painter, iconRect);
+    }
+}
+
+void ClickableLabel::setIconOverlay(const QIcon& icon)
+{
+    m_overlayIcon = icon;
+    update();
+}
+
+void ClickableLabel::showIconOverlay(bool show)
+{
+    m_showOverlay = show;
+    update();
+}

client/llfcchat/ClickableLabel.h

@@ -0,0 +1,28 @@
+#pragma once
+#include <QLabel>
+#include <QWidget>
+#include <QIcon>
+
+class ClickableLabel :
+    public QLabel
+{
+    Q_OBJECT
+public:
+    explicit ClickableLabel(QWidget* parent = nullptr);
+    void setIconOverlay(const QIcon& icon); //��������ͼ��
+    void showIconOverlay(bool show);  //��ʾ/��������ͼ��
+protected:
+    void mousePressEvent(QMouseEvent* event) override;
+    void enterEvent(QEvent* event) override;
+    void leaveEvent(QEvent* event) override;
+    void paintEvent(QPaintEvent* event) override;
+
+signals:
+    void clicked();
+
+private:
+    QIcon m_overlayIcon;
+    bool m_showOverlay;
+    bool m_hovered;
+};
+

client/llfcchat/MessageTextEdit.cpp

@@ -1,7 +1,7 @@
 #include "MessageTextEdit.h"
 #include <QDebug>
 #include <QMessageBox>
-
+#include "global.h"
 
 MessageTextEdit::MessageTextEdit(QWidget *parent)
     : QTextEdit(parent)
@@ -19,15 +19,14 @@ MessageTextEdit::~MessageTextEdit()
 
 }
 
-QVector<MsgInfo> MessageTextEdit::getMsgList()
+QVector<std::shared_ptr<MsgInfo>> MessageTextEdit::getMsgList()
 {
-    mGetMsgList.clear();
-
+    _total_msg_list.clear();
     QString doc = this->document()->toPlainText();
     QString text="";//存储文本信息
     int indexUrl = 0;
     //这个是存储的富文本信息，包括图片的url以及文件的url
-    int count = mMsgList.size();
+    int count = _img_or_file_list.size();
 
     for(int index=0; index<doc.size(); index++)
     {
@@ -36,17 +35,16 @@ QVector<MsgInfo> MessageTextEdit::getMsgList()
         {
             if(!text.isEmpty())
             {
-                QPixmap pix;
-                insertMsgList(mGetMsgList,"text",text,pix);
+                insertMsgList(_total_msg_list, MsgType::TEXT_MSG, text, QPixmap(),"",0,"");
                 text.clear();
             }
             while(indexUrl<count)
             {
-                MsgInfo msg =  mMsgList[indexUrl];
-                if(this->document()->toHtml().contains(msg.content,Qt::CaseSensitive))
+                std::shared_ptr<MsgInfo> msg = _img_or_file_list[indexUrl];
+                if(this->document()->toHtml().contains(msg->_text_or_url,Qt::CaseSensitive))
                 {
                     indexUrl++;
-                    mGetMsgList.append(msg);
+                    _total_msg_list.append(msg);
                     break;
                 }
                 indexUrl++;
@@ -60,13 +58,12 @@ QVector<MsgInfo> MessageTextEdit::getMsgList()
     }
     if(!text.isEmpty())
     {
-        QPixmap pix;
-        insertMsgList(mGetMsgList,"text",text,pix);
+        insertMsgList(_total_msg_list, MsgType::TEXT_MSG, text, QPixmap(), "", 0, "");
         text.clear();
     }
-    mMsgList.clear();
+    _img_or_file_list.clear();
     this->clear();
-    return mGetMsgList;
+    return _total_msg_list;
 }
 
 void MessageTextEdit::dragEnterEvent(QDragEnterEvent *event)
@@ -102,12 +99,40 @@ void MessageTextEdit::insertFileFromUrl(const QStringList &urls)
          if(isImage(url))
              insertImages(url);
          else
-             insertTextFile(url);
+             insertFiles(url);
     }
 }
 
 void MessageTextEdit::insertImages(const QString &url)
 {
+    //文件信息
+    QFileInfo  fileInfo(url);
+    if (fileInfo.isDir())
+    {
+        QMessageBox::information(this, "提示", "只允许拖拽单个文件!");
+        return;
+    }
+
+    auto total_size = fileInfo.size();
+
+    qint64 max_size = qint64(2) * 1024 * 1024 * 1024;
+
+    if (total_size > max_size)
+    {
+        QMessageBox::information(this, "提示", "发送的文件大小不能大于2G");
+        return;
+    }
+
+    // 计算文件MD5
+    QString fileMd5 = calculateFileHash(url);
+
+    if (fileMd5.isEmpty())
+    {
+        QMessageBox::warning(this, "错误", "无法计算文件MD5");
+        return;
+    }
+
+
     QImage image(url);
     //按比例缩放图片
     if(image.width()>120||image.height()>80)
@@ -123,31 +148,51 @@ void MessageTextEdit::insertImages(const QString &url)
     // QTextDocument *document = this->document();
     // document->addResource(QTextDocument::ImageResource, QUrl(url), QVariant(image));
     cursor.insertImage(image,url);
-
-    insertMsgList(mMsgList,"image",url,QPixmap::fromImage(image));
+    QString origin_name = fileInfo.fileName();
+    QString unique_name = generateUniqueFileName(origin_name);
+    insertMsgList(_img_or_file_list, MsgType::IMG_MSG, url, QPixmap::fromImage(image), unique_name,
+        total_size, fileMd5); 
 }
 
-void MessageTextEdit::insertTextFile(const QString &url)
-{
+void MessageTextEdit::insertFiles(const QString& url) {
     QFileInfo fileInfo(url);
-    if(fileInfo.isDir())
+    if (fileInfo.isDir())
     {
-        QMessageBox::information(this,"提示","只允许拖拽单个文件!");
+        QMessageBox::information(this, "提示", "只允许拖拽单个文件!");
         return;
     }
 
-    if(fileInfo.size()>100*1024*1024)
+    auto total_size = fileInfo.size();
+
+    qint64 max_size = qint64(2) * 1024 * 1024 * 1024;
+
+    if (total_size > max_size)
+    {
+        QMessageBox::information(this, "提示", "发送的文件大小不能大于100M");
+        return;
+    }
+
+    // 计算文件MD5
+    QString fileMd5 = calculateFileHash(url);
+
+    if (fileMd5.isEmpty())
     {
-        QMessageBox::information(this,"提示","发送的文件大小不能大于100M");
+        QMessageBox::warning(this, "错误", "无法计算文件MD5");
         return;
     }
 
     QPixmap pix = getFileIconPixmap(url);
     QTextCursor cursor = this->textCursor();
-    cursor.insertImage(pix.toImage(),url);
-    insertMsgList(mMsgList,"file",url,pix);
+    cursor.insertImage(pix.toImage(), url);
+
+    QString origin_name = fileInfo.fileName();
+    QString unique_name = generateUniqueFileName(origin_name);
+    insertMsgList(_img_or_file_list, MsgType::FILE_MSG, url, pix, unique_name,
+        total_size, fileMd5);
 }
 
+
+
 bool MessageTextEdit::canInsertFromMimeData(const QMimeData *source) const
 {
     return QTextEdit::canInsertFromMimeData(source);
@@ -165,7 +210,7 @@ void MessageTextEdit::insertFromMimeData(const QMimeData *source)
          if(isImage(url))
              insertImages(url);
          else
-             insertTextFile(url);
+             insertFiles(url);
     }
 }
 
@@ -181,15 +226,17 @@ bool MessageTextEdit::isImage(QString url)
     return false;
 }
 
-void MessageTextEdit::insertMsgList(QVector<MsgInfo> &list, QString flag, QString text, QPixmap pix)
-{
-    MsgInfo msg;
-    msg.msgFlag=flag;
-    msg.content = text;
-    msg.pixmap = pix;
-    list.append(msg);
+void MessageTextEdit::insertMsgList(QVector<std::shared_ptr<MsgInfo>> &list, MsgType msgtype,
+    QString text_or_url, QPixmap preview_pix,
+    QString unique_name, uint64_t total_size, QString md5) {
+
+    auto msg_info = std::make_shared<MsgInfo>(msgtype, text_or_url, preview_pix, unique_name, total_size, md5);
+    list.append(msg_info);
+
 }
 
+
+
 QStringList MessageTextEdit::getUrl(QString text)
 {
     QStringList urls;