WPF 使用QRCoder生成二维码
2021-07-02 13:10
标签：format efi empty options end pen open aml nfx vs中使用Nuget获取QRCoder 窗体中添加按钮和Iage 后台代码 QRCoder生成的是Bitmap，在WPF中需要转换为ImageSource。 运行程序 生成成功。 WPF 使用QRCoder生成二维码 标签：format efi empty options end pen open aml nfx 原文地址：https://www.cnblogs.com/czly/p/9923226.html
Window x:Class="QRCoderTest.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:QRCoderTest"
xmlns:qr="clr-namespace:QRCoder;assembly=QRCoder"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
Grid>
Grid.ColumnDefinitions>
ColumnDefinition Width="0.3*"/>
ColumnDefinition Width="0.7*"/>
Grid.ColumnDefinitions>
Button Content="Button" HorizontalAlignment="Left" Margin="51,90,0,0" VerticalAlignment="Top" Width="75" Click="Button_Click"/>
Image x:Name="img" Grid.Column="1"/>
Grid>
Window>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
CreateQR(100,"aaa123!ly是是是@#￥%……",System.Drawing.Color.Black,System.Drawing.Color.White,new Bitmap(@"E:\Work\ly\MES图片\1.png"));
}
private void CreateQR(int pixelsPerModule, string info, System.Drawing.Color qrColor, System.Drawing.Color qrBackgroundColor, Bitmap logo, int iconSizePercent = 15, int iconBorderWidth = 6)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(info, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(pixelsPerModule, qrColor, qrBackgroundColor, logo, iconSizePercent, iconBorderWidth, true);
IntPtr hBitmap = qrCodeImage.GetHbitmap();
ImageSource wpfBitmap = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
img.Source = wpfBitmap;
}
}
