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将任意字符串生成二维码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using QRCodeHelper;
using QRCodeHelper.common;
namespace QRDemoTool
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string sBinCodeInfo = string.Empty;
sBinCodeInfo = textBox1.Text;
if (string.IsNullOrWhiteSpace(sBinCodeInfo))
{
return;
}
try
{
MultiFormatWriter mutiWriter = new MultiFormatWriter();
ByteMatrix bm = mutiWriter.encode(sBinCodeInfo, BarcodeFormat.QR_CODE, 200, 200);
Bitmap img = bm.ToBitmap();
pictureBox1.Image = img;
//自动保存图片到当前目录
//string filename = System.Environment.CurrentDirectory "\\QR" DateTime.Now.Ticks.ToString() ".jpg";
//img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);
//lbshow.Text = "图片已保存到:" filename;
}
catch (Exception ee)
{ MessageBox.Show(ee.Message); }
}
}
}