Snai.QRCode.Api/Controllers/QRCodeController.cs

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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Snai.QRCode.Api.Common;

namespace Snai.QRCode.Api.Controllers
{
    public class QRCodeController : Controller
    {
        private IQRCode _iQRCode;

        public QRCodeController(IQRCode iQRCode)
        {
            _iQRCode = iQRCode;
        }

        /// <summary>
        /// 获取二维码
        /// </summary>
        /// <param name="url">存储内容</param>
        /// <param name="pixel">像素大小</param>
        /// <returns></returns>
        [HttpGet("/api/qrcode")]
        //public void GetQRCode(string url, int pixel)
        public void GetQRCode()
        {
            
            Response.ContentType = "image/jpeg";
            /*
            var bitmap = _iQRCode.GetQRCode(url, pixel);

            bitmap.Save(Response.Body, ImageFormat.Jpeg);
            */

            var bitmap = _iQRCode.GetQRCode(@"", 50);
            MemoryStream ms = new MemoryStream();
            bitmap.Save(ms, ImageFormat.Jpeg);

            Response.Body.WriteAsync(ms.GetBuffer(), 0, Convert.ToInt32(ms.Length));
            Response.Body.Close();
        }

        public void m1()
        {
            Bitmap bitmap = _iQRCode.GetQRCode("", 5);
            MemoryStream ms = new MemoryStream();
            bitmap.Save(ms, ImageFormat.Jpeg);
            Response.Body.WriteAsync(ms.GetBuffer(), 0, Convert.ToInt32(ms.Length));
            Response.Body.Close();
        }
    }
}