using System;
using System.Drawing;using System.Drawing.Imaging;using System.IO;using System.Web;namespace OnlinePhotoCapture{ /// <summary> /// 将图片base64字符串原还原为图片并调整尺寸后保存(by 菩提树下的杨过http://yjmyzz.cnblogs.com/)
/// </summary> public class SavePhoto :
IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; string base64String = "/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEABALDA4MChAODQ4SERATGCgaGBYWGDEjJR0oOjM9PDkzODdASFxOQERXRTc4UG1RV19iZ2hnPk1xeXBkeFxlZ2MBERISGBUYLxoaL2NCOEJjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY//AABEIAHYAdgMBEQACEQEDEQH/xAGiAAABBQEBAQEBAQAAAAAAAAAAAQIDBAUGBwgJCgsQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHwJDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2drh4uPk5ebn6Onq8fLz9PX29/j5+gEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoLEQACAQIEBAMEBwUEBAABAncAAQIDEQQFITEGEkFRB2FxEyIygQgUQpGhscEJIzNS8BVictEKFiQ04SXxFxgZGiYnKCkqNTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqCg4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2dri4+Tl5ufo6ery8/T19vf4+fr/2gAMAwEAAhEDEQA/AOUIoEKBQA4CgB6kjvQBKH9aAJUcg8HFAGjZavd2hHlTMB6ZyPypgdBZeLM4W6jB/wBpeP0oA3bXVLO7A8qZdx/hJwaBlykAUAV3s4idygxt6ocfp0oAb/pUP92VfyNMB0d5Ex2tmNvRhigDG8dEHwhfYII/d/8AoxaQHnGPagQoHNADwKAFAoAUCgCRaAHAkUwJA1AEySsvKsR+NAzTstevLTAWQsg/hbkf/WoA3rPxVBJhbmMxnuV5H5UgNq3u7e5XMMyvx0B5/LrQBPQA140kGHUMPegDmvG9qIvCt6yOwX5MqTkffWncDgKQgBoAXNADgaAHCgBwNAD1oGPAoAcM0ALk0AOBoAlinkiYMjlSOhBoA3bDxFdxYWUiZf8Aa6/nQBu2mvWlxgOTE3o3T86AKXjllfwffMpDA+XyDkf6xaAPOqBBQAA0APBoAcKAHAUASoM0DJQMUALigAwaAEx70AKAe1AFuBCFyRQBNkgUAUtauJBo9xEHIRtu4evzA0AZVAhKADFAx4FADwKAHqBQBYjXigCULQAm2gBMdqADFAE0KDg4oA0oowyYNAEU6BASDQBiawc2Ep+n8xQBUoEFACgUDHgYoAeKAHoOaALMYoAnA4oACtADdnNAAUoAkhOODQBbjcjoaAI53JBBNAGNq/8AyD5fw/mKAFn065gGWiJX1HI/Si4iqQQeRRcBQMUwHigB4FAyVBQBYjpAWQBigBdhNAhRGT2oAPLx2oATZigA3FaAI3YnrQBm6t/x4S/h/MUDGwXtxbnMUrAemeKLCLi38E4xd2qE/wB+P5T/APXosA/7DbXHNrdKCf4JPlP59KQFeawuLf8A1kTAeuOPzoAjVcdqoZMg9aAJ4xz0pAXI0yOlAEyRZ7UCJlgyOlADWixQBCyYoAruCDQBGw4oAztXH/EvlP0/mKBlSgQ5aAHgnsaBly21C5g4SU7fQ8j8jQBdW6tLn/j5tvLb+9Fx+lAEy6ckvNrOkn+yTtagAFpJE22RGU+4ouBahhJ4xRcC/BZs54FBJdGnOFztP5UAVprQjqKYFGWHGeKVgKkiAdRQMrSDFAGbrH/IOl/D+YoGUqBDwOKAHAUDJEGTQBYjQ0AW4EORigDZs5pwApO9fRxkUWA27W1hn58sxt7HiiwGnDCkS4UfjQBJQBBPAsqngZpgzIurJgTkVViGZU9sQTxUFFGSLHagDJ1oY02b/gP8xQMoYoEOANAEqoTQBPGhPagC5DCT3oA0ba1Bxk0AbVlZrkZqgNyGJYlwopMZLSAKACgGZ19MFJAq0Q0YdzMCTwagZmTODmgox9abOnS/h/MUhFULTAkVB1oAlQAUATxkCgC1E+OgoA0LeUjpQBrWlw2RzQM27eXevPWgZPQIKAGSyLEpJP4UAYl5OCSc0XCxjzyAk80EmfM+aCjJ1c50+X8P5ikIdGqleRTACAGwDQA8L3oAUHBoAsRnmgZegbgUAaEEhBBoA1ba5IxzQUaKXYxzQA2S9UA4oJM27uy2cmgRlTzk55oAoSydeaAKkj0AZuqNmwl/D+YpASAY6GmA4A55FAEqigBStAD4wQaBlyE0AXYmoAtRykDrQUTC4wOtAEclyR0NBJVlnJGc0CKMkpz1oAgkfI60AVpGoAoamf8AQpPw/mKQCnULPHEv/jp/wpgKupWo/wCW3/jp/wAKAHjVLLvL+Sn/AAoAeNUsf+e/5o3+FACjVbAH/X/+ON/hQBNHrGnDrcf+ON/hQUWE13TR1uf/ACG3+FA7ko8Q6X/z9f8AkNv8KB3Qp8RaXj/j6/8AIbf4UCuiJ/EGnHpc/wDjjf4UCK765Yk8T/8Ajjf4UCIm1eyP/Lf/AMcb/CgCFtVtD0m/8dP+FIRG2o2p/wCWv/jp/wAKAKt7eQS2zoj5Y4wMH1pjP//Z"; Image bmp = null; MemoryStream ms = null; try { byte[] b =
Convert.FromBase64String(base64String); ms = new MemoryStream(b); bmp = ImageResize(new Bitmap(ms),125,125); bmp.Save(context.Request.MapPath("logo.jpg"), ImageFormat.Jpeg); context.Response.Write("success"); } catch (Exception
ex) { context.Response.Write("failure:" +
ex.Message.ToString()); } finally { bmp.Dispose(); ms.Dispose(); } } /// <summary> /// 修改图片尺寸 /// </summary> /// <param name="imgSrc"></param> /// <returns></returns> private Image
ImageResize(Image imgSrc,int width,int height) { Image newImage = imgSrc.GetThumbnailImage(125, 125,
null,
new IntPtr()); Graphics g = Graphics.FromImage(newImage); g.DrawImage(newImage, 0, 0, newImage.Width,
newImage.Height); g.Dispose(); return newImage; } public bool IsReusable { get { return false; } } }}图片流Base64编码 转图片,布布扣,bubuko.com
原文地址：http://www.cnblogs.com/lyl6796910/p/3742706.html
