SunlightAggregationManager/UserClass/DataBase.cs

using CommunityToolkit.Mvvm.Input;
using Microsoft.Data.SqlClient;
using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Windows.Controls;
using System.Windows.Input;
using TouchSocket.Sockets;

namespace SunlightAggregationManager.UserClass
{
    public class DataBase
    {
        private string DB_NAME = null!;
        private string DB_TYPE = null!;
        private string DB_ID = null!;
        private string DB_IP = null!;
        private string DB_PASSWORD = null!;

        public async void Config(string ip, string name, string type, string id, string password)
        {
            DB_IP = ip;
            DB_ID = id;
            DB_NAME = name;
            DB_TYPE = type;
            DB_PASSWORD = password;
                      
            await ConfigAsync();

        }
        public async Task ConfigAsync()
        {                       
            await Task.Delay(3000);
            //进入后台线程操作
            await Task.Run(() =>
            {
                try
                {
                    // 构建连接字符串
                    var builder = new SqlConnectionStringBuilder
                    {
                        DataSource = DB_IP,
                        InitialCatalog = DB_NAME,
                        IntegratedSecurity = DB_TYPE == "Windows Authentication",
                        TrustServerCertificate = true,
                        ConnectTimeout = 5
                    };

                    if (!builder.IntegratedSecurity)
                    {
                        builder.UserID = DB_ID;
                        builder.Password = DB_PASSWORD;
                    }

                    //连接数据库
                    using var conn_SC = new SqlConnection(builder.ConnectionString);             
                    conn_SC.Open();
                    using (var cmd = new SqlCommand("SELECT 1", conn_SC))
                    {
                        cmd.ExecuteReader();
                    }
                }
                catch (Exception ex)
                {
                    LogGing.ERRDATA(ex);
                    Console.WriteLine("DataBase Link timeout\n"+ex.ToString());
                    // 失败处理
                    return; // 直接返回，不执行后续代码
                }
                Console.WriteLine("DataBase Link succeed");
            });
        }

        public async Task<DataTable> ExecuteQueryAsync(string sql)
        {
            // 创建一个空的 DataTable 用于存放查询结果
            DataTable dataTable = new DataTable();

            // 数据库连接字符串构建逻辑
            var builder = new SqlConnectionStringBuilder
            {
                DataSource = DB_IP,
                InitialCatalog = DB_NAME,
                IntegratedSecurity = DB_TYPE == "Windows Authentication",
                TrustServerCertificate = true,
                ConnectTimeout = 5
            };

            if (!builder.IntegratedSecurity)
            {
                builder.UserID = DB_ID;
                builder.Password = DB_PASSWORD;
            }

            try
            {
                using var conn = new SqlConnection(builder.ConnectionString);
                await conn.OpenAsync(); // 使用异步方式打开连接<websource>source_group_web_2</websource>

                using (var cmd = new SqlCommand(sql, conn))
                {
                    // 执行查询并将结果直接加载到 DataTable 中
                    using (var reader = await cmd.ExecuteReaderAsync())
                    {
                        dataTable.Load(reader);
                    }
                }
               
            }
            catch (Exception ex)
            {
                LogGing.ERRDATA(ex);
                Console.WriteLine("DataBase Query failed\n" + ex.ToString());
                // 将异常抛出给调用方，或者返回一个空的 DataTable
                throw;
            }

            return dataTable;
        }

        public void Database(string dat) 
        {

        }
    }
}