想在 .Net 裏頭用 Set Collection (使用 Iesi.Collections.dll)

功能: 主要是取得2個Collection 裏，相同、相異、聯集的部份

必需加入的dll: Iesi.Collections.dl

範例:

using System;
using Iesi.Collections.Generic;

public partial class TestPage_SetDemoPage : System.Web.UI.Page {
 protected void Page_Load(object sender, EventArgs e) {
 ISet<string> Girls = new HashedSet<string>();
 Girls.Add("Christine");
 Girls.Add("Eva");
 Girls.Add("Jean");
 Girls.Add("Novia");
 Girls.Add("Winnie");

ISet<string> PMs = new HashedSet<string>();
 PMs.Add("Eva");
 PMs.Add("Novia");
 PMs.Add("Vincent");
 PMs.Add("Williams");
 PMs.Add("Winnie");

ISet<string> GirlPMs = Girls.Intersect(PMs); 
 Response.Write("是女生且是PM: ");
 foreach (string s in GirlPMs) {
 Response.Write(s + " ");
 }

Response.Write(" ");
 ISet<string> GirlNotPMs = Girls.Minus(PMs);
 Response.Write("是女生且不是PM: ");
 foreach (string s in GirlNotPMs) {
 Response.Write(s + " ");
 }

Response.Write(" ");
 ISet<string> GirlOrPMs = Girls.Union(PMs);
 Response.Write("是女生或是PM: ");
 foreach (string s in GirlOrPMs) {
 Response.Write(s + " ");
 }

Response.Write(" ");
 ISet<string> NotMatch = Girls.ExclusiveOr(PMs);
 Response.Write("是女生但不是PM，或是PM但不是女生: ");
 foreach (string s in NotMatch) {
 Response.Write(s + " ");
 }
 }
}

補充:

1. 如果順序是重要的，那 HashedSet 可以改成 SortedSet

2. 如果用SortedSet, 集合內的物件必需繼承IComparable介面

3. 更詳盡的介紹可參考 Add Support for "Set" Collections to .NET

4.Iesi.Collection.dll 可在 NHibernate 專案裏找到, 裏面的版本加上對泛型的支援

posted on Thursday, February 14, 2008 8:10 PM

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# ??????.Net ?????????Set Collection (??????Iesi.Collections.dll) 4/19/2010 4:42 PM Pingback/TrackBack

??????.Net ?????????Set Collection (??????Iesi.Collections.dll)

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# ??????.Net ?????????Set Collection (??????Iesi.Collections.dll) 4/19/2010 4:42 PM Pingback/TrackBack

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想在 .Net 裏頭用 Set Collection (使用 Iesi.Collections.dll)

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