Question

c#对指定文件夹里的所有txt文件进行统一查找删除某个词如“如果”后还按原来的名字存储到新的文件夹里？

求详细代码 特别是批量txt读取和存储

Answer 1

string keyWord = "苹果";//查找的关键字
string moveToFolder = keyWord + "/";//
DirectoryInfo folder = new DirectoryInfo("textFiles/");
if (folder .Exists )
{
foreach (FileInfo fileName in folder.GetFiles())
{
using (StreamReader reader = new StreamReader(fileName.FullName))
{
if (reader.ReadToEnd().Contains(keyWord))
{
DirectoryInfo newFolder = new DirectoryInfo(moveToFolder);
if (!newFolder .Exists )
{
newFolder.Create();
}
File.Copy(fileName.FullName,moveToFolder+fileName .Name ,true);
}
}
Console.WriteLine(fileName.FullName);
}
}
Console.ReadKey();