随笔分类 - C#
摘要：IEnumerable<IGrouping<string, DataRow>> result = dt.Rows.Cast<DataRow>().GroupBy<DataRow, string>(dr => dr["FORMSERIALNUMBER"].ToString());//C# 对DataT
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摘要：OracleHelper.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Text; using System.Data; using Syste
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摘要：string sql = "实际sql语句"; DataTable sourseDt = OracleHelper.ExecuteDataTable(sql); for(var i = 0;i < sourseDt.Rows.Count; i++) { string sourceCont = sou
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摘要：string sql = "实际sql语句"; DataTable dt = OracleHelper.ExecuteDataTable(sql); ExcelHepler excelHepler = new ExcelHepler(); ArrayList arr_Get_Att = new Ar
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摘要：var path = @"D:\test\1.CSV"; var records = OpenExcel(path); var groupByFirst = new List<Test> { }; var groupBySecond = new List<Test> { }; groupByFirs
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摘要：private static List<Test> OpenExcel(string path) { var records = new List<Test> { }; using (var reader = new StreamReader(path)) using (var csv = new
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摘要：方法一： public static string SendMail2(string add_smtp, string acc_SendMail, string psw_SendMail, string add_SendMail, ArrayList arr_GetMail, ArrayList a
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摘要：方法一： [HttpGet] [EnableCors("userLogin")] public IActionResult DownloadFile(string url , string token) { var filePath = "D://xzc/" + _Configuration.Get
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摘要：在Route里面进行设置，这里的设置[Route("api/[controller]/[action]")] 访问的模式是 域名/api/控制器名/方法名
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摘要：一、添加引用 右击项目—— 管理NuGet程序包——分别搜索System.DirectoryServices、System.DirectoryServices.AccountManagement，安装 二、验证 [HttpPost] [EnableCors("userLogin")] public
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摘要：一、引入cors组件 右击项目——在终端中打开——dotnet add package Microsoft.AspNetCore.Cors --version 2.0.1 二、配置cors 在项目根目录的Startup.cs （1）ConfigureServices方法 services.AddCo
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