增加了数据库下载的功能

src/appPowerMangerWebUI/main.cpp

@@ -0,0 +1,66 @@
+#include <string>
+#include "crow.h"
+#include <iostream>
+#include "json/json.h"
+#include <sys/inotify.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <fstream>
+#include <vector>
+#include <thread>
+#include <mutex>
+#include "../pPowerManger/SQLiteDB.h"
+
+using namespace std;
+
+// 读取 HTML 文件内容
+string read_file(const string& path) {
+    ifstream file(path);
+    stringstream buffer;
+    buffer << file.rdbuf();
+    return buffer.str();
+}
+
+int main() {
+    crow::SimpleApp app;
+    SQLiteDB db("/home/zjk/project/H100/H100PowerManger/data/power_data.db");
+    // 初始化 SQLite 数据库
+
+    // 路由返回 HTML 页面
+    CROW_ROUTE(app, "/")([](){
+        // 读取 HTML 文件
+        string html_content = read_file("/home/zjk/project/H100/H100PowerManger/src/appPowerMangerWebUI/index.html");
+        return html_content;
+    });
+
+    CROW_ROUTE(app, "/api/db-status")
+    ([&db]() {
+        crow::json::wvalue response;
+        if (db.isDatabaseConnected("/home/zjk/project/H100/H100PowerManger/data", "power_data.db")) {
+            response["connected"] = true;
+            response["database"] = "YourDatabaseName"; // 替换为实际的数据库名称
+        } else {
+            response["connected"] = false;
+        }
+        return response;
+    });
+
+    CROW_ROUTE(app, "/api/download-db")
+    ([&db]() {
+        std::ifstream file("/home/zjk/project/H100/H100PowerManger/data/power_data.db", std::ios::binary);
+        if (!file) {
+            return crow::response(404, "Database file not found");
+        }
+        std::vector<char> buffer((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
+        // 将 buffer.size() 转换为 std::string
+        std::string contentLength = std::to_string(buffer.size());
+        crow::response response(buffer.size(), contentLength, "application/octet-stream");
+        response.add_header("Content-Disposition", "attachment; filename=power_data.db");
+        return response;
+    });
+
+    // 启动服务器，监听端口 18080
+    app.port(18080).multithreaded().run();
+
+    return 0;
+}