WCF 身份验证（远程登录功能）桌面开发

服务端 用的 sqlite数据库存储

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WCFClientCommon
{
    public class Common
    {
        public static bool CheckDataIsNullOrEmpty（params string[] para）
        {
            bool isNullOrEmpty = false;//标识初始值不为空
            for（int i =0;i            {
                if（string.IsNullOrEmpty（para[i]））
                {
                    isNullOrEmpty = true;//表示有值为空
                    break;
                }
            }
            return isNullOrEmpty;
        }
    }
}

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

     文件       3584  2016-11-17 08:50  WCFServicesDemoWinformVersion\Common\bin\Debug\Common.dll

     文件       7680  2016-11-17 08:50  WCFServicesDemoWinformVersion\Common\bin\Debug\Common.pdb

     文件       2092  2016-11-15 10:25  WCFServicesDemoWinformVersion\Common\Common.csproj

     文件        483  2016-11-17 08:50  WCFServicesDemoWinformVersion\Common\obj\Debug\Common.csproj.FileListAbsolute.txt

     文件        858  2016-11-17 08:50  WCFServicesDemoWinformVersion\Common\obj\Debug\Common.csprojResolveAssemblyReference.cache

     文件       3584  2016-11-17 08:50  WCFServicesDemoWinformVersion\Common\obj\Debug\Common.dll

     文件       7680  2016-11-17 08:50  WCFServicesDemoWinformVersion\Common\obj\Debug\Common.pdb

     文件       5914  2016-11-15 10:25  WCFServicesDemoWinformVersion\Common\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          0  2016-11-14 11:56  WCFServicesDemoWinformVersion\Common\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2016-11-14 11:56  WCFServicesDemoWinformVersion\Common\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2016-11-14 11:56  WCFServicesDemoWinformVersion\Common\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件        187  2016-11-15 16:49  WCFServicesDemoWinformVersion\ConsoleApplication1\App.config

     文件       6656  2016-11-15 17:14  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ConsoleApplication1.exe

     文件        187  2016-11-15 16:49  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ConsoleApplication1.exe.config

     文件      13824  2016-11-15 17:14  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ConsoleApplication1.pdb

     文件        187  2016-11-15 16:49  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ConsoleApplication1.vshost.exe.config

     文件        490  2013-03-18 17:00  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ConsoleApplication1.vshost.exe.manifest

     文件       6144  2016-11-17 08:51  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Hosting.exe

     文件        187  2016-11-15 16:49  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Hosting.exe.config

     文件      11776  2016-11-17 08:51  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Hosting.pdb

     文件      24224  2016-11-17 08:46  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Hosting.vshost.exe

     文件        187  2016-11-15 16:49  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Hosting.vshost.exe.config

     文件        490  2013-03-18 17:00  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Hosting.vshost.exe.manifest

     文件       5120  2016-11-17 08:50  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Model.dll

     文件      11776  2016-11-17 08:50  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\Model.pdb

     文件       8192  2016-11-17 08:50  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ServicesDAL.dll

     文件      22016  2016-11-17 08:50  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\ServicesDAL.pdb

     文件    1016320  2016-11-10 12:21  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\System.Data.SQLite.dll

     文件       6144  2016-11-17 08:50  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\WcfServiceApplication.dll

     文件      15872  2016-11-17 08:50  WCFServicesDemoWinformVersion\ConsoleApplication1\bin\Debug\WcfServiceApplication.pdb

............此处省略321个文件信息