C# Excel批注“哪种开发语言最好”

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Excel批注常用于为个别的单元格添加注释，读者能够从注释中获取额外的信息。批注可隐藏，只会在单元格右上方显示红色三角，添加后不会对单元格的内容喧宾夺主。在日常编程处理Excel中，为个别单元格添加备注信息，也有必要。这篇博文主要介绍使用免费版的Spire.XLS在C#中为单元格添加备注，并设置位置，大小，富文本及文本对齐方式。

想尝试的朋友可以从以下三个地址下载Free Spire.XLS: E-iceblue官网下载；Nuget；CSDN下载。下载之后，请将bin 文件夹里的.dll添加为VS的引用。

步骤一: 创建一个新的工作薄和表单。

            Workbook workbook = new Workbook();            Worksheet sheet = workbook.Worksheets[0];

步骤二：启用类ExcelFont添加设置字体，在设置comment文本时会用到。

            ExcelFont font1 = workbook.CreateFont();            font1.FontName = "仿宋";            font1.Color = Color.Red;            font1.IsBold = true;            font1.Size = 12;            ExcelFont font2 = workbook.CreateFont();            font2.FontName = "仿宋";            font2.Color = Color.Blue;            font2.Size = 12;            font2.IsBold = true;            ExcelFont font3 = workbook.CreateFont();            font3.FontName = "Calibri";            font3.Color = Color.Blue;            font3.Size = 12;            font3.IsBold = true;

步骤三：为单元格F5添加批注1，设置其大小，位置，文本，文本对齐方式。

            ExcelComment Comment1 = sheet.Range["F5"].Comment;            Comment1.IsVisible = true;            //设置批注高度和宽度            Comment1.Height = 150;            Comment1.Width = 300;            //设置批注位置            Comment1.Top = 20;            Comment1.Left = 40;            //设置文本内容，对齐方式，文本旋转            Comment1.RichText.Text = "为了防止人类齐心协力开发出人工智能，上帝给了程序员不同的开发语言。但哪种语言才是最好的呢？";            Comment1.RichText.SetFont(0, 32, font2);            Comment1.RichText.SetFont(33, 44, font1);            Comment1.TextRotation = TextRotationType.LeftToRight;            Comment1.VAlignment = CommentVAlignType.Center;            Comment1.HAlignment = CommentHAlignType.Justified;

步骤四：添加批注2作为对照。

            ExcelComment Comment2= sheet.Range["F14"].Comment;            Comment2.IsVisible = true;            Comment2.Height = 150;            Comment2.Width = 300;            Comment2.RichText.Text = "About E-iceblue: \nE-iceblue focuses on providing excellent office components for developers to operate Word, Excel, PDF, and PowerPoint documents.";            Comment2.TextRotation = TextRotationType.LeftToRight;            Comment2.RichText.SetFont(0, 16, font2);            Comment2.Top = 170;            Comment2.Left = 450;            Comment2.VAlignment = CommentVAlignType.Top;            Comment2.HAlignment = CommentHAlignType.Justified;

步骤五：保存文档，并启动查看效果。

            workbook.SaveToFile("S3.xlsx", ExcelVersion.Version2010);            System.Diagnostics.Process.Start("S3.xlsx");

效果图：
这里写图片描述

全部代码：

using System;using System.Collections.Generic;using System.Linq;using System.Text;using Spire.Xls;using System.Drawing;namespace How_to_set_Excel_margin_to_print{    class Program    {        static void Main(string[] args)        {            Workbook workbook = new Workbook();            Worksheet sheet = workbook.Worksheets[0];            ExcelFont font1 = workbook.CreateFont();            font1.FontName = "仿宋";            font1.Color = Color.Red;            font1.IsBold = true;            font1.Size = 12;            ExcelFont font2 = workbook.CreateFont();            font2.FontName = "仿宋";            font2.Color = Color.Blue;            font2.Size = 12;            font2.IsBold = true;            ExcelFont font3 = workbook.CreateFont();            font3.FontName = "Calibri";            font3.Color = Color.Blue;            font3.Size = 12;            font3.IsBold = true;            ExcelComment Comment1 = sheet.Range["F5"].Comment;            Comment1.IsVisible = true;            Comment1.Height = 150;            Comment1.Width = 300;            Comment1.Top = 20;            Comment1.Left = 40;            Comment1.RichText.Text = "为了防止人类齐心协力开发出人工智能，上帝给了程序员不同的开发语言。但哪种语言才是最好的呢？";            Comment1.RichText.SetFont(0, 32, font2);            Comment1.RichText.SetFont(33, 44, font1);            Comment1.TextRotation = TextRotationType.LeftToRight;            Comment1.VAlignment = CommentVAlignType.Center;            Comment1.HAlignment = CommentHAlignType.Justified;            ExcelComment Comment2= sheet.Range["F14"].Comment;            Comment2.IsVisible = true;            Comment2.Height = 150;            Comment2.Width = 300;            Comment2.RichText.Text = "About E-iceblue: \nE-iceblue focuses on providing excellent office components for developers to operate Word, Excel, PDF, and PowerPoint documents.";            Comment2.TextRotation = TextRotationType.LeftToRight;            Comment2.RichText.SetFont(0, 16, font2);            Comment2.Top = 170;            Comment2.Left = 450;            Comment2.VAlignment = CommentVAlignType.Top;            Comment2.HAlignment = CommentHAlignType.Justified;            workbook.SaveToFile("S3.xlsx", ExcelVersion.Version2010);            System.Diagnostics.Process.Start("S3.xlsx");        }    }}

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