C#抽奖系统源码（适合新手学习）

使用于各个场合的抽奖系统，代码中给出了详细注释，供大家学习，抽奖标题、抽奖内容、抽奖人员名单可自定

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

namespace Common
{
    public static class fileOperator
    {
        /// 

        /// 把文件读取到List中
        /// 

        /// 文件路径
        /// 返回List类型的值
        public static ListReadFile（string filePath）//文件读取功能
        {
            List objList = new List（）;
            try 
            {
                StreamReader sr = new StreamReader（filePathEncoding.Default）;
                string line = sr.ReadLine（）;
                while （line!=null）
                {
                    
                    string

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

     文件       6656  2019-09-26 17:47  LucklyBody\Common\bin\Debug\Common.dll

     文件      17920  2019-09-26 17:47  LucklyBody\Common\bin\Debug\Common.pdb

     文件       6144  2019-09-26 17:47  LucklyBody\Common\bin\Debug\Models.dll

     文件       7680  2019-09-26 17:47  LucklyBody\Common\bin\Debug\Models.pdb

     文件       2653  2019-09-17 17:58  LucklyBody\Common\Common.csproj

     文件       4157  2019-09-19 10:05  LucklyBody\Common\fileOperator.cs

     文件        673  2019-09-17 15:12  LucklyBody\Common\Judgement.cs

     文件        432  2019-09-16 16:31  LucklyBody\Common\obj\Debug\Common.csproj.FileListAbsolute.txt

     文件       5908  2019-09-26 17:47  LucklyBody\Common\obj\Debug\Common.csprojResolveAssemblyReference.cache

     文件       6656  2019-09-26 17:47  LucklyBody\Common\obj\Debug\Common.dll

     文件      17920  2019-09-26 17:47  LucklyBody\Common\obj\Debug\Common.pdb

     文件        725  2019-09-12 09:02  LucklyBody\Common\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6554  2019-09-17 17:35  LucklyBody\Common\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          0  2019-09-12 08:57  LucklyBody\Common\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2019-09-12 08:57  LucklyBody\Common\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2019-09-12 08:57  LucklyBody\Common\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件       1356  2019-09-12 08:57  LucklyBody\Common\Properties\AssemblyInfo.cs

     文件       6656  2019-09-26 17:47  LucklyBody\DAL\bin\Debug\Common.dll

     文件      17920  2019-09-26 17:47  LucklyBody\DAL\bin\Debug\Common.pdb

     文件       8192  2019-09-26 17:47  LucklyBody\DAL\bin\Debug\DAL.dll

     文件      24064  2019-09-26 17:47  LucklyBody\DAL\bin\Debug\DAL.pdb

     文件       6144  2019-09-26 17:47  LucklyBody\DAL\bin\Debug\Models.dll

     文件       7680  2019-09-26 17:47  LucklyBody\DAL\bin\Debug\Models.pdb

     文件       2875  2019-09-17 17:58  LucklyBody\DAL\DAL.csproj

     文件       2950  2019-09-23 10:55  LucklyBody\DAL\LuckyPersonService.cs

     文件        504  2019-09-12 09:54  LucklyBody\DAL\obj\Debug\DAL.csproj.FileListAbsolute.txt

     文件       8431  2019-09-26 17:47  LucklyBody\DAL\obj\Debug\DAL.csprojResolveAssemblyReference.cache

     文件       8192  2019-09-26 17:47  LucklyBody\DAL\obj\Debug\DAL.dll

     文件      24064  2019-09-26 17:47  LucklyBody\DAL\obj\Debug\DAL.pdb

     文件       6609  2019-09-17 17:35  LucklyBody\DAL\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

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