Bartender打印程序 C#纯净源码

缺少数据库，仅供参考其逻辑

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using System.Data.OracleClient;
using System.Configuration;

namespace dbhelper
{
    /// 

    /// 通用数据访问类
    /// 
    /// 封装变化的，抽取不变的，变化大作为参数，不变的作为方法体！
    /// 

    public class dbhelper
    {
        public class SQLHelper
        {
            private static string connString = ConfigurationManager.ConnectionStrings[“connString“].ToString（）;

            /// 

            /// 执行增、删、改操作
            /// 

            /// 
            /// 
            public static int Update（string sql）
            {
                OracleConnection conn = new Ora

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     23552  2020-06-19 11:05  BarTender\.vs\BarTender\v15\.suo

     文件          0  2020-04-29 10:55  BarTender\.vs\BarTender\v15\Server\sqlite3\db.lock

     文件       4096  2020-04-29 10:55  BarTender\.vs\BarTender\v15\Server\sqlite3\storage.ide

     文件      32768  2020-06-19 10:59  BarTender\.vs\BarTender\v15\Server\sqlite3\storage.ide-shm

     文件    1965272  2020-06-19 11:04  BarTender\.vs\BarTender\v15\Server\sqlite3\storage.ide-wal

     文件        463  2020-06-19 11:04  BarTender\BarTender\App.config

     文件       4227  2020-06-19 11:04  BarTender\BarTender\BarTender.csproj

     文件      11467  2020-04-29 11:01  BarTender\BarTender\bin\Debug\lable1.btw

     文件       3390  2020-06-10 08:41  BarTender\BarTender\dbhelper.cs

     文件       1501  2020-06-19 11:04  BarTender\BarTender\Form1.cs

     文件      12294  2020-06-19 11:04  BarTender\BarTender\Form1.Designer.cs

     文件       5817  2020-06-19 11:04  BarTender\BarTender\Form1.resx

     文件         42  2020-06-19 11:03  BarTender\BarTender\obj\Debug\BarTender.csproj.CoreCompileInputs.cache

     文件        624  2020-06-19 11:04  BarTender\BarTender\obj\Debug\BarTender.csproj.FileListAbsolute.txt

     文件       1012  2020-06-19 11:04  BarTender\BarTender\obj\Debug\BarTender.csproj.GenerateResource.cache

     文件        803  2020-06-19 08:43  BarTender\BarTender\obj\Debug\BarTender.csproj.ResolveComReference.cache

     文件      58376  2020-06-19 11:04  BarTender\BarTender\obj\Debug\BarTender.csprojAssemblyReference.cache

     文件        180  2020-06-19 11:04  BarTender\BarTender\obj\Debug\BarTender.Form1.resources

     文件        180  2020-06-19 11:04  BarTender\BarTender\obj\Debug\BarTender.Properties.Resources.resources

     文件       1443  2020-06-19 08:43  BarTender\BarTender\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       7426  2020-06-19 11:03  BarTender\BarTender\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件     138752  2020-06-19 08:43  BarTender\BarTender\obj\Debug\Interop.BarTender.dll

     文件          0  2020-04-29 10:55  BarTender\BarTender\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2020-04-29 10:55  BarTender\BarTender\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2020-04-29 10:55  BarTender\BarTender\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件        521  2020-04-29 10:55  BarTender\BarTender\Program.cs

     文件       1316  2020-04-29 10:55  BarTender\BarTender\Properties\AssemblyInfo.cs

     文件       3397  2020-06-19 11:04  BarTender\BarTender\Properties\dbhelper.cs

     文件       2831  2020-04-29 10:55  BarTender\BarTender\Properties\Resources.Designer.cs

     文件       5612  2020-04-29 10:55  BarTender\BarTender\Properties\Resources.resx

............此处省略19个文件信息