在文檔屬性中,可以設置諸多關於文檔的信息,如創建時間、作者、單位、類別、關鍵詞、備註等摘要信息以及一些自定義的文檔屬性。下面將通過C#程序來演示如何設置,同時對文檔內的已有信息,也可以實現讀取或刪除等操作。
示例大綱:
1. 添加文檔屬性
1.1 添加摘要信息
1.2 添加自定義文檔信息
2. 讀取文檔屬性
3. 刪除文檔信息
3.1 刪除所有摘要信息、自定義文檔屬性
3.2 刪除指定只要信息、自定義文檔屬性
使用工具:Spire.XLS for .NET pack
獲取方法1:通過官網下載包。下載後,解壓文件,安裝Bin文件夾下的程序。安裝後,將安裝路徑下Bin文件夾下的Spire.Xls.dll文件添加引用至vs項目程序。如下所示:
獲取方法2:可通過Nuget下載。
C# 示例
【示例】添加文檔屬性
using Spire.Xls;
using System;
namespace AddProperties
{
class Program
{
static void Main(string[] args)
{
//加載Excel文檔
Workbook workbook = new Workbook();
workbook.LoadFromFile("test.xlsx");
//設置摘要
workbook.DocumentProperties.Author = "Mara";
workbook.DocumentProperties.Title = "摘要";
workbook.DocumentProperties.Keywords = "摘要,屬性";
workbook.DocumentProperties.Category = "展示文檔";
workbook.DocumentProperties.Company = "冰藍科技";
workbook.DocumentProperties.Comments = "請勿修改";
workbook.DocumentProperties.Subject = "測試";
workbook.DocumentProperties.Manager = "Tom";
//設置自定義屬性
workbook.CustomDocumentProperties.Add("_MarkAsFinal", true);
workbook.CustomDocumentProperties.Add("聯繫電話", 81705109);
workbook.CustomDocumentProperties.Add("更新時間", DateTime.Now);
//保存文檔
workbook.SaveToFile("AddProperties.xlsx", FileFormat.Version2010);
}
}
}
文檔屬性添加效果:
【示例2】讀取文檔信息
using Spire.Xls;
using Spire.Xls.Collections;
using Spire.Xls.Core;
using System;
namespace ReadProperties
{
class Program
{
static void Main(string[] args)
{
//加載Excel文檔
Workbook wb = new Workbook();
wb.LoadFromFile("AddProperties.xlsx");
//獲取文檔屬性
Console.WriteLine("摘要信息:");
Console.WriteLine("標題: " + wb.DocumentProperties.Title);
Console.WriteLine("主題: " + wb.DocumentProperties.Subject);
Console.WriteLine("作者: " + wb.DocumentProperties.Author);
Console.WriteLine("管理者: " + wb.DocumentProperties.Manager);
Console.WriteLine("公司: " + wb.DocumentProperties.Company);
Console.WriteLine("類別: " + wb.DocumentProperties.Category);
Console.WriteLine("關鍵字: " + wb.DocumentProperties.Keywords);
Console.WriteLine("備註: " + wb.DocumentProperties.Comments);
//獲取自定義屬性
Console.WriteLine("\n自定義屬性:");
for (int i = 0; i < wb.CustomDocumentProperties.Count; i++)
{
Console.WriteLine(wb.CustomDocumentProperties[i].Name + ": " + wb.CustomDocumentProperties[i].Value);
}
Console.Read();
}
}
}
文檔屬性讀取結果:
【示例3】刪除文檔屬性
using Spire.Xls;
namespace DeleteProperties
{
class Program
{
static void Main(string[] args)
{
//加載工作簿
Workbook workbook = new Workbook();
workbook.LoadFromFile("AddProperties.xlsx");
//刪除摘要及自定義文檔屬性
workbook.DocumentProperties.Clear();//刪除所有摘要信息
workbook.CustomDocumentProperties.Clear();//刪除所有自定義文檔屬性
//保存文檔
workbook.SaveToFile("DeleteProperties.xlsx", FileFormat.Version2013);
/*//刪除指定摘要及自定義文檔屬性
workbook.DocumentProperties.Author = "";//設置指定摘要信息爲空,刪除摘要內容
workbook.CustomDocumentProperties.Remove("聯繫電話");//刪除指定名稱的自定義文檔屬性
workbook.SaveToFile("DeleteCustomDocumentProperties.xlsx", FileFormat.Version2013);*/
}
}
}
文檔屬性刪除結果:
(本文完)