代码
统一将文件后缀名修改为.bmp
using Microsoft.VisualBasic.Devices;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;
namespace ToBmp
{
internal class Program
{
static void Main(string[] args)
{
string path = "C:\\Users\\Administrator\\Desktop\\file\\01.bmp";
HandleInput(path);
}
private static void HandleInput(string path)
{
// 获取文件后缀
string extension = Path.GetExtension(path).ToLower();
if (extension.Equals(".pdf"))
{
HandlePdf(path);
}
else if (extension.Equals(".bmp"))
{
HandleBmp(path);
}
else if (isImg(extension))
{
HandleImg(path);
}
else
{
throw new Exception("You need to input a PDF or image");
}
}
private static void HandlePdf(string path)
{
Console.WriteLine("这是pdf文件");
}
private static void HandleBmp(string path)
{
Console.WriteLine("这是bmp文件");
}
private static void HandleImg(string path)
{
changeExtension(path, ".bmp");
}
private static void changeExtension(string filePath,string extension)
{
// 获取父目录
string faPath = Path.GetDirectoryName(filePath);
// 获取文件后缀
string currentExtension = Path.GetExtension(filePath);
// 修改该文件后缀名
Computer myComputer = new Computer();
DirectoryInfo dir = new DirectoryInfo(faPath);
FileInfo[] files = dir.GetFiles();
foreach (var file in files)
{
string newName = file.Name.Replace(currentExtension, extension);
if (newName != file.Name)
myComputer.FileSystem.RenameFile(file.FullName, newName);
}
}
private static bool isImg(string extension)
{
extension = extension.ToLower();
List<string> list = new List<string>() { ".jpeg",".jpg",".png",".gif",".bmp"};
bool result = false;
for(int i = 0;i<list.Count; i++)
{
if (list[i].Equals(extension)) {
return true;
}
}
return result;
}
}
}
