using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ThoughtWorks.QRCode;
using ThoughtWorks.QRCode.Codec;namespace QRCodePro
{public class QRCode{/// 生成二维码/// </summary>/// <param name="strData">要生成的文字或者数字</param>/// <param name="qrEncoding">三种尺寸：BYTE ，ALPHA_NUMERIC，NUMERIC</param>/// <param name="level">大小：L M Q H</param>/// <param name="version">版本：如 8</param>/// <param name="scale">比例：如 4</param>/// <returns></returns>public static Image CreateCode_Choose(string strData, string qrEncoding, string size, int version, int scale){QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();string encoding = qrEncoding;switch (encoding){case "Byte":qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;break;case "AlphaNumeric":qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;break;case "Numeric":qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;break;default:qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;break;}qrCodeEncoder.QRCodeScale = scale;qrCodeEncoder.QRCodeVersion = version;switch (size){case "L":qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;break;case "M":qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;break;case "Q":qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;break;default:qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;break;}//文字生成图片Image image = qrCodeEncoder.Encode(strData);return image;}}
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace QRCodePro
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){cboEncoding.Items.Add("Byte");cboEncoding.Items.Add("AlphaNumeric");cboEncoding.Items.Add("Numeric");cboEncoding.SelectedIndex = 0;//填充大小下拉框cboSize.Items.Add("M");cboSize.Items.Add("L");cboSize.Items.Add("Q");cboSize.Items.Add("H");cboSize.SelectedIndex = 0;//填充文本框txtVersion.Text = "8";txtScale.Text = "4";}private void btnCreateCode_Click(object sender, EventArgs e){string content = txtContent.Text;int version = Convert.ToInt32(txtVersion.Text);int scale = Convert.ToInt32(txtScale.Text);string size = cboSize.SelectedItem.ToString();string encoding = cboEncoding.SelectedItem.ToString();//检查空值字符串if (content == null || content == ""){MessageBox.Show("请输入二维码信息，支持中文");}else{Image img = QRCode.CreateCode_Choose(content, encoding, size, version, scale);picCode.Image = img;}}private void btnReset_Click(object sender, EventArgs e){txtContent.Text = "";}private void btnSave_Click(object sender, EventArgs e){if (picCode.Image != null){SaveImages(picCode);}else{MessageBox.Show("还没生成图像呢！");}}private void SaveImages(PictureBox pic){string Parentpath = @"D:\Photo";//自1970 年1月1日00:00:00 GMT以来的毫秒数string filename = DateTime.Now.Ticks.ToString();if (Parentpath.Substring(Parentpath.Length - 1, 1) != @"\")Parentpath = Parentpath + @"\";string childPath = Parentpath + DateTime.Now.ToString("yyyyMMdd");if (!Directory.Exists(childPath))Directory.CreateDirectory(childPath);pic.Image.Save(childPath + "\\" + filename + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);MessageBox.Show("保存成功！");}}
}