ASP.net 中Queue,Stack，Hashtable，Sortlist一些简单用法

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Collections;

public partial class Default2 : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{



}

protected void Button1_Click(object sender, EventArgs e)

{

Queue qu = new Queue();

qu.Enqueue("hello");

qu.Enqueue("word");

qu.Enqueue("!");

//foreach (string item in qu)

//{

// Response.Write(item);

//}

int m = qu.Count;

Response.Write("Queu先进先出:");

for (int i = 0; i < m; i++)

{

Response.Write(qu.Dequeue());

}

}

protected void Button2_Click(object sender, EventArgs e)

{

Stack st = new Stack();

st.Push(" hello");

st.Push(" World");

st.Push(" !");

// Response.Write(st.Peek());

// st.Pop();

Response.Write("Stack先进后出:");

//foreach (string item in st)

//{

// Response.Write(item);

//}

int mm = st.Count;

for (int i = 0; i < mm; i++)

{

Response.Write(st.Pop());

}

}

protected void Button3_Click(object sender, EventArgs e)

{

Person p = new Person("张", "三");

Person li = new Person("李", "四");

Person wang = new Person("王", "五");

Hashtable table = new Hashtable();

table.Add("z", p);

table.Add("li", li);

table.Add("wang", wang);

Response.Write("Hashtable通过三种遍历方法进输出的</br>");

foreach (DictionaryEntry item in table)

{

Person s = item.Value as Person;

Response.Write(s.FirstName + s.LastName + "</br>");

}

Response.Write("以上通过遍历Hashtable转换其类型后输出</br>");

foreach (Person s in table.Values)

{

Response.Write(s.FirstName + s.LastName + "</br>");

}

Response.Write("以上通过遍历Hashtable的Values转换其类型后输出</br>");

foreach (string s in table.Keys)

{

Person p5 = table[s] as Person;

Response.Write(p5.FirstName + p5.LastName + "</br>");

}

Response.Write("以上通过遍历Hashtable的Keys转换其类型后输出" + "</br>");

}

protected void Button4_Click(object sender, EventArgs e)

{

Person p = new Person("张", "三");

Person li = new Person("李", "四");

Person wang = new Person("王", "五");

Hashtable table = new Hashtable();

table.Add("z", p);

table.Add("li", li);

table.Add("wang", wang);

ArrayList list = new ArrayList(table.Values); //ArrayList list = new ArrayList(table.Values);

foreach (Person item in list)

{

Response.Write(item.FirstName + item.LastName);

}

Response.Write("</br>以上是没有排序过的</br>");

list.Sort();

foreach (Person item in list)

{

Response.Write(item.FirstName + item.LastName);

}



}

protected void Button5_Click(object sender, EventArgs e)

{

Person p = new Person("张", "三");

Person li = new Person("李", "四");

Person wang = new Person("王", "五");

SortedList sortlist = new SortedList();

sortlist.Add("z", li);

sortlist.Add("a", p);

sortlist.Add("b", wang);

Response.Write("李四，张三，王五</br>");

Response.Write("用sortlist之后自动按keys进行排序</br>");

foreach (Person item in sortlist.Values)

{

Response.Write(item.FirstName + item.LastName);

}

}

protected void Button6_Click(object sender, EventArgs e)

{

Person p = new Person("张", "三");

Person li = new Person("李", "四");

Person wang = new Person("王", "五");

SortedList sortlist = new SortedList();

sortlist.Add("z", li);

sortlist.Add("a", p);

sortlist.Add("b", wang);

int index = sortlist.IndexOfKey("z"); //得出z所有的索引

// Response.Write(index);

index = sortlist.IndexOfValue(li); //返回指定值所有的索引

//Response.Write(index);

Person p2 = (Person)sortlist.GetByIndex(index); //得到索引位置的值

Response.Write(p2.FirstName + p2.LastName);

}

}