C#生成二维码图片

using Models;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.Mvc;
using ThoughtWorks.QRCode.Codec;

namespace BaluPlatform.Controllers
{
    public class TestController : Controller
    {
        // GET: Test
        public ActionResult Index()
        {

            string img = tsetIndex("https://www.baidu.com/index.php?tn=monline_3_dg");
            ViewBag.img = img;
            return View();
        }
        /// <summary> 
        /// 生成二维码 
        /// </summary>