using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.IO;

namespace?txtread
{
????class?Program
????{
????????static?void?Main（string[]?args）
????????{
????????????StreamWriter?mySW;
????????????????try
????????????????{
????????????????????mySW?=?File.CreateText（“F:\\jiekouC#\\txtread2\\out\\out.txt“）;
????????????????}
????????????????catch
????????????????{
????????????????????Console.WriteLine（“創(chuàng)建失敗“）;
????????????????????return;
????????????????}
????????????????System.IO.DirectoryInfo?dir?=?new?System.IO.DirectoryInfo（“F:\\jiekouC#\\txtread2“）;
????????????????double?count1?=?0;
????????????foreach?（System.IO.FileInfo?fi?in?dir.GetFiles（））
????????????{
????????????????if?（fi.Extension?==?“.txt“）
????????????????{
????????????????????string[]?lines?=?System.IO.File.ReadAllLines（@fi.FullName）;
????????????????????List?list?=?new?List（）;
????????????????????list.AddRange（lines）;
????????????????????for?（int?i?=?1;?i?????????????????????{
????????????????????????double?lon1?=?Convert.ToDouble（list[i].Substring（26?6））;
????????????????????????double?lat1?=?Convert.ToDouble（list[i].Substring（38?10））;
????????????????????????if?（lon1??116.3?&?lat1?39.844）
????????????????????????{
????????????????????????????mySW.WriteLine（list[i]）;
????????????????????????????count1?=?count1?+?1;
????????????????????????}
????????????????????}
????????????????}
????????????????Console.WriteLine（count1）;
????????????????Console.ReadKey（）;
????????????}
????????????????mySW.Close（）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????1167668??2012-11-01?00:00??txtread2\20121101000014.txt

?????文件????1167540??2012-11-01?00:02??txtread2\20121101000205.txt

?????文件??????16384??2014-05-24?15:43??txtread2\out\out.txt

?????文件???????5632??2014-05-01?16:30??txtread2\txtread\bin\Debug\txtread.exe

?????文件??????13824??2014-05-01?16:30??txtread2\txtread\bin\Debug\txtread.pdb

?????文件??????11600??2014-05-24?15:07??txtread2\txtread\bin\Debug\txtread.vshost.exe

?????文件????????490??2010-03-17?22:39??txtread2\txtread\bin\Debug\txtread.vshost.exe.manifest

?????文件???????5776??2014-05-01?16:30??txtread2\txtread\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1038??2014-05-24?15:07??txtread2\txtread\obj\x86\Debug\txtread.csproj.FileListAbsolute.txt

?????文件???????6952??2014-04-24?15:13??txtread2\txtread\obj\x86\Debug\txtread.csprojResolveAssemblyReference.cache

?????文件???????5632??2014-05-01?16:30??txtread2\txtread\obj\x86\Debug\txtread.exe

?????文件??????13824??2014-05-01?16:30??txtread2\txtread\obj\x86\Debug\txtread.pdb

?????文件???????1682??2014-05-01?16:30??txtread2\txtread\Program.cs

?????文件???????1346??2014-04-24?14:04??txtread2\txtread\Properties\AssemblyInfo.cs

?????文件???????2435??2014-04-24?14:04??txtread2\txtread\txtread.csproj

?????文件????????863??2014-04-24?14:04??txtread2\txtread.sln

????..A..H.?????15872??2014-05-24?15:43??txtread2\txtread.suo

?????目錄??????????0??2014-04-24?14:04??txtread2\txtread\obj\x86\Debug\TempPE

?????目錄??????????0??2014-05-01?16:30??txtread2\txtread\obj\x86\Debug

?????目錄??????????0??2014-04-24?23:46??txtread2\txtread\bin\Debug

?????目錄??????????0??2014-04-24?23:46??txtread2\txtread\obj\x86

?????目錄??????????0??2014-04-24?23:46??txtread2\txtread\bin

?????目錄??????????0??2014-04-24?23:46??txtread2\txtread\obj

?????目錄??????????0??2014-04-24?23:46??txtread2\txtread\Properties

?????目錄??????????0??2014-04-24?23:47??txtread2\out

?????目錄??????????0??2014-04-24?23:46??txtread2\txtread

?????目錄??????????0??2014-04-24?23:46??txtread2

-----------?---------??----------?-----??----

??????????????2438558????????????????????27



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