geboshi_V1/LeatherProject/LeatherApp/Utils/DBUtils.cs

using SqlSugar;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace LeatherApp.Utils
{
    public class DBUtils
    {
        private static SqlSugarClient db;
        //public static dbBackup()
        //{
        //    //mysqldump -uroot-p123456 mydb > /data/mysqlDump/mydb.sql
        //    //mysqldump - uroot - p123456 mydb > / data / mysqlDump / mydb.sql
        //}

        public static SqlSugarClient getErpDBCon(SqlSugar.DbType dbType = SqlSugar.DbType.SqlServer)
        {
            if (string.IsNullOrEmpty(Config.ErpDBConStr))
                return null;
            if (db != null) return db;

            db = new SqlSugarClient(new ConnectionConfig()
            {
                ConnectionString = Config.ErpDBConStr,
                DbType = dbType,
                IsAutoCloseConnection = true
            },
           db =>
           {
               db.Aop.OnLogExecuting = (sql, pars) =>
               {
                   Console.WriteLine(sql);//输出sql,查看执行sql 性能无影响

                   //获取原生SQL推荐 5.1.4.63  性能OK
                   //UtilMethods.GetNativeSql(sql,pars)

                   //获取无参数化SQL 对性能有影响，特别大的SQL参数多的，调试使用
                   //UtilMethods.GetSqlString(DbType.SqlServer,sql,pars) 
               };

           });
            return db;
        }
        public static DataTable execSql(string sql, List<SugarParameter> parameters, SqlSugar.DbType dbType = SqlSugar.DbType.SqlServer)
        {
            if (!Config.OracleDB)
            {
                //查询表的所有
                var mydb = getErpDBCon(dbType);
                if (mydb == null)
                {
                    MessageBox.Show($"数据库连接失败:{sql}");
                    return null;
                }

                if (!mydb.Ado.IsValidConnection())
                    mydb.Ado.Open();
                return mydb.Ado.GetDataTable(sql, parameters);
            }
            else
            {
                SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
                {
                    DbType = SqlSugar.DbType.Oracle,
                    ConnectionString = Config.ErpDBConStr,
                    InitKeyType = InitKeyType.Attribute,
                    IsAutoCloseConnection = true,
                    AopEvents = new AopEvents
                    {
                        OnLogExecuting = (tsql, p) =>
                        {
                            Console.WriteLine(tsql);
                            Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
                        }
                    }
                });
                //var dt = db.Ado.GetDataTable(sql);
                //if (dt != null)
                //{
                //    for (int i = 0; i < dt.Rows.Count; i++)
                //    {
                //        Console.WriteLine($"PJXTBH：{dt.Rows[i]["PJXTBH"]}，WPH：{dt.Rows[i]["WPH"]}，WPMC：{dt.Rows[i]["WPMC"]}，SL：{dt.Rows[i]["SL"]}，PH：{dt.Rows[i]["PH"]}，JH：{dt.Rows[i]["JH"]}");
                //    }
                //}

                string sqlstr = $"select * from tb_qc_prodinfo where PJXTBH='{parameters[0].Value}'";
                var dt2 = db.Ado.GetDataTable(sqlstr);
                dt2.Columns.RemoveAt(0);
                dt2.Columns.RemoveAt(0);
                return dt2;
                //var dt2 = db.Ado.GetDataTable(sqlstr);
            }
        }
    }
}