using System;
using System.Drawing;
using System.Text;
using ThoughtWorks.QRCode.Codec;

namespace ConsoleTest
{
    public class Test
    {
        #region 生成二維碼
        /// <summary>
        /// 生成二維碼
        /// </summary>
        /// <param name="number"></param>
        /// <returns></returns>
        private static string QRCode()
        {
            System.Drawing.Bitmap bt;
            string enCodeString = "http://www.baidu.com";

            QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
            qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;//編碼方式(注意：BYTE能支持中文，ALPHA_NUMERIC掃描出來的都是數(shù)字)
            qrCodeEncoder.QRCodeScale = 4;//大小(值越大生成的二維碼圖片像素越高)
            qrCodeEncoder.QRCodeVersion = 0;//版本(注意：設(shè)置為0主要是防止編碼的字符串太長時(shí)發(fā)生錯(cuò)誤)
            qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;//錯(cuò)誤效驗(yàn)、錯(cuò)誤更正(有4個(gè)等級(jí))
            qrCodeEncoder.QRCodeBackgroundColor = Color.Yellow;//背景色
            qrCodeEncoder.QRCodeForegroundColor = Color.Green;//前景色

            bt = qrCodeEncoder.Encode(enCodeString, Encoding.UTF8);

            string filename = "code";
            string file_path = AppDomain.CurrentDomain.BaseDirectory + "QRCode\\";
            string codeUrl = file_path + filename + ".jpg";

            //根據(jù)文件名稱，自動(dòng)建立對(duì)應(yīng)目錄
            if (!System.IO.Directory.Exists(file_path))
                System.IO.Directory.CreateDirectory(file_path);

            bt.Save(codeUrl);//保存圖片
            return codeUrl;
        }
        #endregion
    }
}