fg_yida_2/YiDa_WinForm/Service/ButtonOperationService.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Threading.Tasks;
using MySql.Data.MySqlClient;
using YiDa_WinForm.Config;
using YiDa_WinForm.Model;

namespace YiDa_WinForm.Service
{
    public class ButtonOperationService
    {
        private readonly string _connectionString = AppConfig.MySqlConnectionString;
        
        public string _formulaValue = null; // 配方字段

        // 通知UI层
        public event Action<string> MessageReceived;
        
        /// <summary>
        /// 保存配方表格数据到数据库中
        /// </summary>
        /// <param name="dtExcel"></param>
        public async Task SaveFormulaByExcel(DataTable dtExcel)
        {
            try
            {
                using (var conn = new MySqlConnection(_connectionString))
                {
                    await conn.OpenAsync();
                    string sqlDel = @"DELETE FROM yida_formula;";
                    using (var delCmd = new MySqlCommand(sqlDel, conn))
                    {
                        // 异步执行删除，await 等待完成后再继续
                        await delCmd.ExecuteNonQueryAsync();
                    }

                    foreach (DataRow dr in dtExcel.Rows)
                    {
                        if (dr["参数名"].ToString() == "报废图片路径")
                        {
                            _formulaValue = "报废图片路径";
                        }
                        string sql = string.Format(
                            @"INSERT INTO yida_formula (supplier_code, supplier_name, vehicle_model,part_number,
                        part_name,parameter_name,tolerance_lower,tolerance_upper, reformation_picture, leader_part,leader_out_protection) 
                        VALUES (@supplier_code, @supplier_name, @vehicle_model,@part_number,@part_name,@parameter_name,@tolerance_lower,
                        @tolerance_upper,@reformation_picture,@leader_part,@leader_out_protection)");
                        using (var cmd = new MySqlCommand(sql, conn))
                        {
                            cmd.Parameters.AddWithValue("@supplier_code",
                                dr["供应商代码"] == DBNull.Value ? (object)DBNull.Value : dr["供应商代码"].ToString());
                            cmd.Parameters.AddWithValue("@supplier_name",
                                dr["供应商名称"] == DBNull.Value ? (object)DBNull.Value : dr["供应商名称"].ToString());
                            cmd.Parameters.AddWithValue("@vehicle_model",
                                dr["车型"] == DBNull.Value ? (object)DBNull.Value : dr["车型"].ToString());
                            cmd.Parameters.AddWithValue("@part_number",
                                dr["零件号"] == DBNull.Value ? (object)DBNull.Value : dr["零件号"].ToString());
                            cmd.Parameters.AddWithValue("@part_name",
                                dr["零件名"] == DBNull.Value ? (object)DBNull.Value : dr["零件名"].ToString());
                            cmd.Parameters.AddWithValue("@parameter_name",
                                dr["参数名"] == DBNull.Value ? (object)DBNull.Value : dr["参数名"].ToString());
                            cmd.Parameters.AddWithValue("@tolerance_lower",
                                dr["下公差"] == DBNull.Value ? (object)DBNull.Value : dr["下公差"].ToString());
                            cmd.Parameters.AddWithValue("@tolerance_upper",
                                dr["上公差"] == DBNull.Value ? (object)DBNull.Value : dr["上公差"].ToString());
                            cmd.Parameters.AddWithValue("@reformation_picture",
                                dr["整改图片"] == DBNull.Value ? (object)DBNull.Value : dr["整改图片"].ToString());
                            cmd.Parameters.AddWithValue("@leader_part",
                                dr["零件负责人"] == DBNull.Value ? (object)DBNull.Value : dr["零件负责人"].ToString());
                            cmd.Parameters.AddWithValue("@leader_out_protection",
                                dr["外保负责人"] == DBNull.Value ? (object)DBNull.Value : dr["外保负责人"].ToString());
                            await cmd.ExecuteNonQueryAsync();
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                MessageReceived?.Invoke($"保存配方表格到数据库时出错：{ex.Message} {ex.InnerException?.Message}");
            }
        }

        /// <summary>
        /// 获取数据库配方
        /// </summary>
        /// <returns></returns>
        public async Task<DataTable> QueryFormulaAsync()
        {
            // 初始化DataTable用于存储结果
            DataTable dt = new DataTable();

            using (var conn = new MySqlConnection(_connectionString))
            {
                // 异步打开连接，必须用await等待完成
                await conn.OpenAsync();

                string strSql = @"SELECT * FROM yida_formula";

                using (var queryCmd = new MySqlCommand(strSql, conn))
                {
                    // 设置命令超时时间（可选，根据需要调整）
                    queryCmd.CommandTimeout = 60;

                    // 异步执行查询，获取数据读取器
                    using (var reader = await queryCmd.ExecuteReaderAsync())
                    {
                        // 通过读取器填充DataTable
                        dt.Load(reader);
                    }
                }
            }

            return dt;
        }

        /// <summary>
        /// 获取MQTT参数字典
        /// </summary>
        /// <returns></returns>
        public async Task<DataTable> InitMqttDic()
        {
            DataTable dt = new DataTable();
            using (var conn = new MySqlConnection(_connectionString))
            {
                await conn.OpenAsync();
                string strSql = @"SELECT * from yida_upload_param";
                using (var queryCmd = new MySqlCommand(strSql, conn))
                {
                    // 设置命令超时时间（可选，根据需要调整）
                    queryCmd.CommandTimeout = 120;
                    using (var reader = await queryCmd.ExecuteReaderAsync())
                    {
                        dt.Load(reader);
                    }
                }
            }

            return dt;
        }

        /// <summary>
        /// 获取MQTT数据
        /// </summary>
        /// <returns></returns>
        //获取最新的Mqtt网关数据
        public async Task<DataTable> GetLatestMqttDataAsync()
        {
            DataTable dt = new DataTable();
            using (var conn = new MySqlConnection(_connectionString))
            {
                await conn.OpenAsync();
                string strSql = @"(SELECT * FROM yida_mqtt_message where device_code='device1' ORDER BY create_time DESC LIMIT 1)
                                 UNION
                                (SELECT * FROM yida_mqtt_message where device_code='device2' ORDER BY create_time DESC LIMIT 1);";
                using (var queryCmd = new MySqlCommand(strSql, conn))
                {
                    // 设置命令超时时间（可选，根据需要调整）
                    queryCmd.CommandTimeout = 120;
                    using (var reader = await queryCmd.ExecuteReaderAsync())
                    {
                        dt.Load(reader);
                    }
                }
            }

            return dt;
        }
        
        /// <summary>
        /// 保存上传至宜搭平台成功的数据到数据库中
        /// </summary>
        /// <param name="mqttLists"></param>
        public async Task CreateSuccessLog(List<MqttModel> mqttLists)
        {
            try
            {
                using (var conn = new MySqlConnection(_connectionString))
                {
                    await conn.OpenAsync();
                    DateTime time = DateTime.Now;
                    foreach (MqttModel mqttItem in mqttLists)
                    {
                        string sql = string.Format(@"INSERT INTO yida_success_log (supplier_code, supplier_name, vehicle_model,part_number,part_name,parameter_name,parameter_value,configuration,leader_part,time_upload_database) 
                        VALUES (@supplier_code, @supplier_name, @vehicle_model,@part_number,@part_name,@parameter_name,@parameter_value,@configuration,@leader_part,@time_upload_database)");
                        using (var cmd = new MySqlCommand(sql, conn))
                        {
                            cmd.Parameters.AddWithValue("@supplier_code", mqttItem.SupplierCode);
                            cmd.Parameters.AddWithValue("@supplier_name", mqttItem.SupplierName);
                            cmd.Parameters.AddWithValue("@vehicle_model", mqttItem.VehicleModel);
                            cmd.Parameters.AddWithValue("@part_number", mqttItem.PartNumber);
                            cmd.Parameters.AddWithValue("@part_name", mqttItem.PartName);
                            cmd.Parameters.AddWithValue("@parameter_name", mqttItem.ParameterName);
                            cmd.Parameters.AddWithValue("@parameter_value", mqttItem.ParameterValue);
                            cmd.Parameters.AddWithValue("@configuration", mqttItem.Configuration);
                            cmd.Parameters.AddWithValue("@leader_part", mqttItem.LeaderPart);
                            cmd.Parameters.AddWithValue("@time_upload_database", time);
                            await cmd.ExecuteNonQueryAsync();
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                MessageReceived?.Invoke($"宜搭日志写入数据库失败：{ex.Message} {ex.InnerException?.Message}");
            }
        }
    }
}