Libs/MojoCube.Api/File/Function.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Web;

namespace MojoCube.Api.File
{
    public class Function
    {
        //判断文件格式，返回页面头类型ContentType
        public static string GetContentType(string Path)
        {
            string ImgType = string.Empty;
            if (Path.LastIndexOf('.') > 0)
            {
                ImgType = Path.Substring(Path.LastIndexOf('.'));
            }
            string ContentType = string.Empty;

            switch (ImgType.ToLower())
            {
                case ".jpg":
                    {
                        ContentType = "image/jpeg";
                    } break;
                case ".gif":
                    {
                        ContentType = "image/gif";
                    } break;
                case ".png":
                    {
                        ContentType = "image/png";
                    } break;
                case ".bmp":
                    {
                        ContentType = "image/bmp";
                    } break;
                case ".wmv":
                    {
                        ContentType = "application/octet-stream";
                    } break;
                case ".asf":
                    {
                        ContentType = "application/octet-stream";
                    } break;
                case ".3gp":
                    {
                        ContentType = "application/octet-stream";
                    } break;
                case ".mpg":
                    {
                        ContentType = "application/octet-stream";
                    } break;
                case ".rar":
                    {
                        ContentType = "application/x-msdownload";
                    } break;
                case ".pdf":
                    {
                        ContentType = "application/pdf";