APS.NET MVC4生成二维码简单解析_实用技巧_

 @{ Layout = null; } 

 using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using Common; using System.Drawing; namespace QRCodeDemo.Controllers { public class ORCodeController : Controller { // // GET: /ORCode/ public ActionResult Index() { return View(); } [HttpPost] public ActionResult GetORImage(string content) { //if (string.IsNullOrEmpty(content)) //{ // return Content(""); //} string timeStr = DateTime.Now.ToFileTime().ToString(); Bitmap bitmap = QRCodeOp.QRCodeEncoderUtil(content); string fileName = Server.MapPath("~") + "Content\\Images\\QRImages\\" + timeStr + ".jpg"; bitmap.Save(fileName);//保存位图 string imageUrl = "/Content/Images/QRImages/" + timeStr + ".jpg";//显示图片 return Content(imageUrl); } [HttpPost] public ActionResult GetORImageContent(string imageName) { string fileUrl = Server.MapPath("~") + "Content\\Images\\QRImages\\" + imageName; Bitmap bitMap = new Bitmap(fileUrl); string content = QRCodeOp.QRCodeDecoderUtil(bitMap); return Content(content); } } } 

 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using ThoughtWorks.QRCode.Codec; using ThoughtWorks.QRCode.Codec.Data; using System.Drawing; namespace Common { public class QRCodeOp { /// 
 /// 生成二维码 /// 
 /// 要编码的内容 /// 返回二维码位图 public static Bitmap QRCodeEncoderUtil(string qrCodeContent) { QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(); qrCodeEncoder.QRCodeVersion = 0; Bitmap img = qrCodeEncoder.Encode(qrCodeContent, Encoding.UTF8);//指定utf-8编码， 支持中文 return img; } /// 
 /// 解析二维码 /// 
 /// 要解析的二维码位图 /// 解析后的字符串 public static string QRCodeDecoderUtil(Bitmap bitmap) { QRCodeDecoder decoder = new QRCodeDecoder(); string decodedString = decoder.decode(new QRCodeBitmapImage(bitmap), Encoding.UTF8);//指定utf-8编码， 支持中文 return decodedString; } } }