1. 重构了WebSocket类的实现，并且设置其为项目的核心通信协议

src/DAO/Src/NetWorkDO.cpp

@@ -0,0 +1,118 @@
+//
+// Created by misaki on 2025/12/29.
+//
+#include "NetWorkDO.h"
+
+#include <QDebug>
+#include <QMutexLocker>
+
+// 初始化静态成员
+QScopedPointer<NetworkDO> NetworkDO::m_instance;
+QMutex NetworkDO::m_mutex;
+
+// 单例实现 (QScopedPointer + Mutex)
+NetworkDO* NetworkDO::getInstance()
+{
+    if (m_instance.isNull()) {
+        QMutexLocker locker(&m_mutex);
+        if (m_instance.isNull()) {
+            // 使用 reset 创建实例，因为构造函数是私有的
+            m_instance.reset(new NetworkDO());
+        }
+    }
+    return m_instance.data();
+}
+
+void NetworkDO::destroy()
+{
+    QMutexLocker locker(&m_mutex);
+    if (!m_instance.isNull()) {
+        m_instance.reset(); // 这会触发析构函数
+    }
+}
+
+NetworkDO::NetworkDO(QObject *parent) : QObject(parent)
+{
+    qDebug() << "NetworkDO initialized";
+}
+
+NetworkDO::~NetworkDO()
+{
+    qDebug() << "NetworkDO destroyed";
+}
+
+// 业务逻辑实现
+void NetworkDO::registerSender(SenderFunc sender)
+{
+    QMutexLocker locker(&m_mutex); // 简单保护一下赋值
+    m_sender = std::move(sender);
+}
+
+void NetworkDO::sendAudioPacket(const AudioDataPacket& packet)
+{
+    // 检查发送器是否已注入
+    if (!m_sender) {
+        emit errorOccurred("Sender not registered! Call registerSender() first.");
+        return;
+    }
+
+    // 封装数据 (DTO -> JSON)
+    QJsonObject dataObj;
+    dataObj["text"] = packet.text;
+    // 音频转 Base64 字符串传输
+    dataObj["audio"] = QString::fromLatin1(packet.audioData.toBase64());
+    dataObj["sampleRate"] = packet.sampleRate;
+    dataObj["channels"] = packet.channels;
+    dataObj["duration"] = packet.duration;
+
+    // 调用底层发送 (解耦)
+    // "textAudio" 是与后端约定的协议类型
+    m_sender("textAudio", dataObj);
+}
+
+void NetworkDO::sendControlPacket(const ControlDataPacket& packet)
+{
+    if (!m_sender) return;
+
+    QJsonObject dataObj;
+    dataObj["action"] = static_cast<int>(packet.action);
+    dataObj["x"] = packet.x;
+    dataObj["y"] = packet.y;
+
+    m_sender("control", dataObj);
+}
+
+void NetworkDO::onDataReceived(const QString& type, const QJsonObject& data)
+{
+    // 根据类型分发
+    if (type == "textAudio") {
+        handleAudioMessage(data);
+    }
+    else if (type == "control") {
+        // handleControlMessage(data);
+    }
+    else {
+        qWarning() << "[NetworkDO] Received unknown type:" << type;
+    }
+}
+
+void NetworkDO::handleAudioMessage(const QJsonObject& data)
+{
+    AudioDataPacket packet;
+
+    // 解析基础字段 (JSON -> DTO)
+    packet.text = data.value("text").toString();
+    packet.sampleRate = data.value("sampleRate").toInt(16000);
+    packet.channels = data.value("channels").toInt(1);
+    // 注意类型转换，确保 long long 精度
+    packet.duration = static_cast<qint64>(data.value("duration").toDouble());
+
+    // 解析音频 (Base64 -> Binary)
+    QString base64Audio = data.value("audio").toString();
+    if (!base64Audio.isEmpty()) {
+        packet.audioData = QByteArray::fromBase64(base64Audio.toLatin1());
+    }
+
+    // 通知上层业务
+    emit audioPacketReceived(packet);
+}