一、视图
@{ ???Layout = null;}<!DOCTYPE html><html><head> ???<meta name="viewport" content="width=device-width" /> ???<title>Index</title> ???<script src="~/Scripts/jquery-1.8.2.min.js"></script> ???<script type="text/javascript"> ???????$(function () { ???????????//生成 ???????????$(‘#createBtn‘).click(function () { ???????????????createImage(); ???????????}); ???????????//解析 ???????????$(‘#analysisBtn‘).click(function () { ???????????????analysisImage(); ???????????}); ???????}); ???????//生成二维码 ???????function createImage() { ???????????var content = $(‘#content‘).val(); ???????????//ajax开始 ???????????$.post("/ORCode/GetORImage/", ???????????????{ "content": content }, ???????????????function (data) { ???????????????????$(‘#imgDiv‘).empty(); ???????????????????$(‘#imgDiv‘).append(‘<img id="ORImage" />‘); ???????????????????$("#ORImage").attr("src", data); ???????????????}); ???????????//ajax结束 ???????} ???????//解析二维码 ???????function analysisImage() { ???????????//获取图片名称 ???????????var imageUrl = $(‘#ORImage‘).attr("src"); ???????????var array = imageUrl.split(‘/‘); ???????????var imageName = array[array.length - 1]; //如:123.jpg ???????????//ajax开始 ???????????$.post("/ORCode/GetORImageContent/", ???????????????{ "imageName": imageName }, ???????????????function (data) { ???????????????????$(‘#ORCodeContent‘).empty(); ???????????????????$(‘#ORCodeContent‘).text(data); ???????????????}); ???????????//ajax结束 ???????} ???</script></head><body> ???<div style="text-align:center;"> ???????<div> ???????????<textarea style="width:230px;height:120px;" id="content"></textarea> ???????????<br /> ???????????<input id="createBtn" type="button" value="生成二维码" /> ???????</div> ???????<div> ???????????<textarea style="width:230px;height:120px;" id="ORCodeContent"></textarea> ???????????<br /> ???????????<input id="analysisBtn" type="button" value="解析二维码" /> ???????</div> ???????<div style="margin-top:20px;" id="imgDiv"> ???????</div> ???</div></body></html>二、控制器
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); ???????} ???}}三、二维码生成工具类
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 ???{ ???????/// <summary> ????????/// 生成二维码 ????????/// </summary> ????????/// <param name="qrCodeContent">要编码的内容</param> ????????/// <returns>返回二维码位图</returns> ????????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; ???????} ???????/// <summary> ????????/// 解析二维码 ????????/// </summary> ????????/// <param name="bitmap">要解析的二维码位图</param> ????????/// <returns>解析后的字符串</returns> ????????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; ???????} ???}}四、效果
APS.NET MVC4生成解析二维码简单Demo
原文地址：http://www.cnblogs.com/ldyblogs/p/QRcode.html