EPPlus:网站

Supported Functions

Excel Merge Operate

    public class ExcelMergeOperate
{
private static Logger _logger = LogManager.GetCurrentClassLogger(); #region private method private static FileInfo CreateNewExcleFile(string excelPath)
{
FileInfo newFile = new FileInfo(excelPath);
if (newFile.Exists)
{
newFile.Delete(); // ensures we create a new workbook
newFile = new FileInfo(excelPath);
}
return newFile;
} private static void AddSheet(ExcelWorksheets fromSheets ,ExcelWorksheets toSheets,string defualtSheetName="")
{
foreach (var sheet in fromSheets)
{
//check name of worksheet, in case that worksheet with same name already exist exception will be thrown by EPPlus
string workSheetName = defualtSheetName != null?defualtSheetName:( sheet.Name!=null?sheet.Name : DateTime.Now.ToString("yyyyMMddhhssmmm"));
foreach (var masterSheet in toSheets)
{
if (sheet.Name == masterSheet.Name)
{
workSheetName = string.Format("{0}_{1}", workSheetName, DateTime.Now.ToString("yyyyMMddhhssmmm"));
}
}
sheet.ConditionalFormatting.RemoveAll();
//add new sheet
toSheets.Add(workSheetName, sheet);
}
} private static void MergeExcelsFromList<T>(List<T> date, string mergeExcelPath, string defualtSheetName = "date", bool create = false) where T : class
{ try
{
FileInfo newFile = create ? CreateNewExcleFile(mergeExcelPath) : new FileInfo(mergeExcelPath); ;
using (ExcelPackage masterPackage = new ExcelPackage(newFile))
{
//Create the Worksheet
var sheet = masterPackage.Workbook.Worksheets.Add(defualtSheetName);
//Create the format object to describe the text file
var format = new ExcelTextFormat();
format.TextQualifier = '"';
format.SkipLinesBeginning = ;
format.SkipLinesEnd = ;
//Now read the file into the sheet. Start from cell A1. Create a table with style 27. First row contains the header.
Console.WriteLine("Load the text file...");
//Load directories ordered by Name...
var range = sheet.Cells["A1"].LoadFromCollection(
from line in date
select line,
true, TableStyles.Medium9);
masterPackage.Save();
}
}
catch (Exception ex)
{
_logger.Error(ex.ToString());
}
} #endregion #region public method public static void MergeExcelsFromMutiExcelPath(List<string> excelPaths,string mergeExcelPath,bool create=false)
{
try
{
//excelPaths = new string[] { @"D:\Jimmy Team Project\Doc\2017-11-20日报表汇总\fang_Westwin Report _GlasessShop.xlsx", @"D:\Jimmy Team Project\Doc\2017-11-20日报表汇总\总结new2017-11-20.xlsx" };
//mergeExcelPath = @"D:\result.xlsx";
FileInfo newFile = create ? CreateNewExcleFile(mergeExcelPath): new FileInfo(mergeExcelPath);
using (ExcelPackage masterPackage = new ExcelPackage(newFile))
{
foreach (var file in excelPaths)
{ using (ExcelPackage pckg = new ExcelPackage(new FileInfo(file)))
{
AddSheet(pckg.Workbook.Worksheets, masterPackage.Workbook.Worksheets);
}
}
masterPackage.Save();
}
}
catch (Exception ex)
{
_logger.Error(ex.ToString());
}
} public static void MergeExcelsFromMutiExcelStream(List<Stream> streams, string mergeExcelPath, bool create = false)
{
try
{
FileInfo newFile = create ? CreateNewExcleFile(mergeExcelPath) : new FileInfo(mergeExcelPath);
using (ExcelPackage masterPackage = new ExcelPackage(newFile))
{
foreach (var stream in streams)
{
using (ExcelPackage pckg = new ExcelPackage(stream))
{
AddSheet(pckg.Workbook.Worksheets, masterPackage.Workbook.Worksheets);
}
}
masterPackage.Save();
}
}
catch (Exception ex)
{
_logger.Error(ex.ToString());
}
} public static void MergeExcelsFromCSVFile<T, M>(string csvPath, string mergeExcelPath, string defualtSheetName = "csv", bool create = false, string csvDelimiter = ",") where T : class where M : CsvClassMap<T>
{
using (FileStream fs = new FileStream(csvPath, FileMode.Open, FileAccess.Read))
{
List<T> date = CSVHelper<T>.GetEntityFromCSV<M>(fs, csvDelimiter);
MergeExcelsFromList(date, mergeExcelPath, defualtSheetName, create);
}
} public static void MergeExcelsFromCSVFile<T>(string csvPath, string mergeExcelPath, string defualtSheetName = "csv", bool create = false, string csvDelimiter = ",") where T : class
{
using (FileStream fs = new FileStream(csvPath, FileMode.Open, FileAccess.Read))
{
List<T> date = CSVHelper<T>.GetEntityFromCSV(fs, csvDelimiter);
MergeExcelsFromList(date, mergeExcelPath, defualtSheetName, create);
}
} #endregion }

general sheet from list

         public void GenalralSheetFromList<T>(List<T> list, ref ExcelWorksheet ws, string dateFormate= "yyyy-mm-dd HH:mm:ss") where T:class
{
if (list == null || list.Count == ) return;
var startIndex = ;
var row = ;
PropertyInfo[] props = list[].GetType().GetProperties();
foreach (PropertyInfo pi in props)
{
ws.Cells[row, startIndex].Value = pi.Name;
if (pi.PropertyType == typeof(DateTime)|| pi.PropertyType == typeof(DateTime?))
{
ws.Column(startIndex).Style.Numberformat.Format = dateFormate;
}
startIndex++;
}
foreach (T item in list)
{
startIndex = ;
row++;
foreach (PropertyInfo pi in props)
{
ws.Cells[row, startIndex++].Value = item.GetType()
.GetProperty(pi.Name)
.GetValue(item, null); }
}
return;
}

Nuget EPPlus的使用的更多相关文章

  1. 利用 NUget包 EPPlus 实现数据导出到Excel(适用于MVC)

    aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAAvoAAABpCAIAAADEEBBGAAAJdElEQVR4nO3cy2ob5wLA8TxKnqTrrr

  2. 离线安装nuget包EPPlus

    1先去https://www.nuget.org/packages/EPPlus/4.1.0下载,epplus.4.1.0.nupkg 2找到本地文件位置:H:\DOWNLOAD\ 3在vs的程序包管 ...

  3. 利用 NUget包 EPPlus 实现数据导出到Excel(适用于DTcms)

    首先安装EPPlus 包

  4. C# NPOI导出Excel和EPPlus导出Excel比较

    系统中经常会使用导出Excel的功能. 之前使用的是NPOI,但是导出数据行数多就报内存溢出. 最近看到EPPlus可以用来导出Excel,就自己测了下两者导出上的差异. NPIO官网地址:http: ...

  5. [转]比NPOI更討喜的Excel元件-EPPlus

    本文转自:http://blog.darkthread.net/post-2012-05-12-epplus.aspx 前陣子發表 [潛盾機]將檔案結構匯成Excel文件,從網友佑翔的留言(特此感謝) ...

  6. 【netcore基础】.NET Core使用EPPlus实现MVC API里的Excel导出功能 配置中文表头

    EPPlus 用来操作excel非常方便,不用依赖微软的office包,所以推荐使用. 下面是具体步骤和代码 首先用nuget安装 EPPlus.Core 我装的版本是 1.5.4 然后就可以用 Ex ...

  7. EPPlus实战篇——Excel写入

    .net core 项目 可以向excel写入任何类型(T)的数据,只要T中的field的[Display(Name = "1233", Description = "# ...

  8. EPPlus实战篇——Excel读取

    .net core 项目 可以从excel读取任何类型(T)的数据,只要T中的field的[Display(Name = "1233")]中的name==excel column ...

  9. C# NPOI导出Excel和EPPlus导出Excel

    转自:http://www.cnblogs.com/tanpeng/p/6155749.html 系统中经常会使用导出Excel的功能.之前使用的是NPOI,但是导出数据行数多就报内存溢出. 最近看到 ...

随机推荐

  1. web基础,用html元素制作web页面

    用div,form制作登录页面,尽可能做得漂亮. 练习使用下拉列表选择框,无序列表,有序列表,定义列表. 观察常用网页的HTML元素,在实际的应用场景中,用已学的标签模仿制作. <!DOCTYP ...

  2. java 的Colections类(Java也有python类似列表的反转、排序等方法)

    1.Collections类概述         针对集合操作 的工具类,都是静态方法   2.Collections成员方法         public static <T> void ...

  3. nodejs之pm2自动重启服务

    pm2 start xxx #启动服务器 pm2 list #查看运行状态 pm2 logs #查看日志 pm2 restart xxx #重启应用 pm2 stop xxx #停止应用 监听修改,并 ...

  4. Linux基础命令---uniq

    uniq 将文件中重复出现的行删除,结果送到标准输出或者指定文件.在使用uniq指令之前,必须使用sort对内容进行排序,否则没有效果.如果没有选项,则将匹配的行合并到第一个匹配项. 此命令的适用范围 ...

  5. nginx FastCGI错误Primary script unknown解决办法

    在centos上成功编译安装nginx 1.4.php 5.4并成功启动nginx和php-fpm后,访问php提示"File not found.",同时在错误日志中看到: 复制 ...

  6. flask框架----数据库连接池

    数据库连接池 flask中是没有ORM的,如果在flask里面连接数据库有两种方式 一:pymysql 二:SQLAlchemy 是python 操作数据库的一个库.能够进行 orm 映射官方文档 s ...

  7. 通过 Java 线程堆栈进行性能瓶颈分析

    改善性能意味着用更少的资源做更多的事情.为了利用并发来提高系统性能,我们需要更有效的利用现有的处理器资源,这意味着我们期望使 CPU 尽可能出于忙碌状态(当然,并不是让 CPU 周期出于应付无用计算, ...

  8. 有登陆认证的情况下如何使用Wisdom RESTClient?

    访问REST API时,很多系统需要登陆认证,登陆成功以后才允许访问API.下面介绍一下有登陆认证情况下如何使用 Wisdom RESTClient测试API的方法. 方法很简单即在浏览器上成功登录系 ...

  9. jdbc --例子7

    package cn.kitty.o1; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLE ...

  10. Java基础再复习(继承、多态、方法内部类**、HashMap用法**、参数传递**)

    ###继承: package com.shiyan; public class Animal { public int legNum; //动物四肢的数量 //类方法 public void bark ...