C#讀取網(wǎng)頁上的圖片先在程序中修改完圖片尺寸后在保存

using System;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

using System.IO;

using System.Net;

namespace ImageResize

{

    class Program

    {

        static void Main(string[] args)

        {

            // 讀取網(wǎng)頁上的圖片

            string url = "http://www.example.com/image.jpg";

            WebClient wc = new WebClient();

            byte[] bytes = wc.DownloadData(url);

            MemoryStream ms = new MemoryStream(bytes);

            Image img = Image.FromStream(ms);

            // 修改圖片尺寸

            int width = 100;

            int height = 100;

            Bitmap bmp = new Bitmap(width, height);

            Graphics g = Graphics.FromImage(bmp);

            g.InterpolationMode = InterpolationMode.HighQualityBicubic;

            g.DrawImage(img, 0, 0, width, height);

            g.Dispose();

            // 保存圖片

            bmp.Save("image.jpg", ImageFormat.Jpeg);

        }

    }

}