AutoCompleteExtender

最新推荐文章于 2019-08-02 09:19:03 发布

weixin_30914981

最新推荐文章于 2019-08-02 09:19:03 发布

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原文链接：http://www.cnblogs.com/jcomet/archive/2008/07/14/1242807.html

这是一个webservices，在aspx中调用就行了！

using System;
using System.IO;
using System.Web;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Serialization;

/// <summary>
/// Summary description for AutoCompleteService
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

[System.Web.Script.Services.ScriptService]

public class AutoCompleteService : System.Web.Services.WebService

{
public AutoCompleteService()

{
//Uncomment the following line if using designed components
        //InitializeComponent();
    }

private static string[] autoCompleteWordList = null;


[WebMethod]

//******光之翼 QQ272912705     www.hi.baidu.com/jcomet*******
public String[] GetWordList(string prefixText, int count)

{
if (autoCompleteWordList == null)

{
string[] temp = File.ReadAllLines(Server.MapPath("~/App_Data/words.txt"));

Array.Sort(temp, new CaseInsensitiveComparer());

autoCompleteWordList = temp;

}

int index = Array.BinarySearch(autoCompleteWordList, prefixText,
new CaseInsensitiveComparer());

if (index < 0)

{

index = ~index;

}

int matchingCount;
for (matchingCount = 0;

matchingCount < count && index + matchingCount < autoCompleteWordList.Length;

matchingCount++)

{
if (!autoCompleteWordList[index + matchingCount].StartsWith(prefixText,

StringComparison.CurrentCultureIgnoreCase))

{
break;

}

}


String[] returnValue = new string[matchingCount];

if (matchingCount > 0)

{

Array.Copy(autoCompleteWordList, index, returnValue, 0, matchingCount);

}

return returnValue;

}

}