WifiQRCode/ShareWifi/Utils/QRUtils.cs

using QRCoder;
using ShareWifi.Model;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ShareWifi.Utils
{
    class QRUtils
    {
        /// <summary>
        /// 根据 data 生成二维码
        /// </summary>
        /// <param name="data"></param>
        public static QRModel genQR(string data)
        {
            QRCodeGenerator qrGenerator = new QRCodeGenerator();
            QRCodeData qrCodeData = qrGenerator.CreateQrCode(data, QRCodeGenerator.ECCLevel.Q);
            QRCode qrCode = new QRCode(qrCodeData);
            Bitmap bitmap = qrCode.GetGraphic(5);

            //保存图片

            string fileName = System.DateTime.Now.ToString("yyyy-MM-dd-HH_mm_ss") + ".jpg";
            string filePath = System.Environment.CurrentDirectory;
            //bitmap.Save(filePath + "/" + fileName, ImageFormat.Jpeg);
            return new QRModel(filePath, fileName, bitmap);
        }
    }
}