QrCodeCommon.cs
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using QRCoder;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
using ZXing;
using ZXing.Common;
using ZXing.Rendering;
namespace NCC.Code.QrCode
{
/// <summary>
/// 二维码类
/// </summary>
public static class QrCodeCommon
{
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="plainText"></param>
/// <param name="pixel">像素大小</param>
/// <returns></returns>
public static Bitmap GetQRCode(string plainText, int pixel)
{
return null;
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">二维码内容</param>
/// <returns></returns>
public static Bitmap CreateQRCodeImage(string content)
{
// var writer = new BarcodeWriter<Bitmap>
// {
// Format = global::ZXing.BarcodeFormat.QR_CODE,
// Options = new EncodingOptions
// {
// Height = 200,
// Width = 200,
// Margin = 1
// },
// Renderer = new BitmapRenderer
// {
// Foreground = Color.Black,
// Background = Color.White
// }
// };
// return writer.Write(content);
return null;
}
/// <summary>
/// 读取二维码(ThoughtWorks)
/// </summary>
/// <param name="map"></param>
/// <returns></returns>
public static string ReadQRCodeImage(Bitmap map)
{
try
{
QRCodeDecoder qrDecoder = new QRCodeDecoder();
string content = qrDecoder.decode(new QRCodeBitmapImage(map), Encoding.UTF8);
return content;
}
catch (Exception e)
{
return "";
}
}
/// <summary>
/// 添加二维码并保存到文件夹
/// </summary>
/// <param name="content">二维码内容</param>
/// <param name="dir">子文件夹</param>
/// <returns></returns>
public static string AddQRCodeSaveToFile(string content, string dir)
{
string fileName = Guid.NewGuid().ToString() + ".jpg";
string filePath = AppDomain.CurrentDomain.BaseDirectory.ToString() + @"resource\image\qr\" + dir;
try
{
Bitmap qrCodeImage = CreateQRCodeImage(content);
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
qrCodeImage.Save(filePath + @"\" + fileName, System.Drawing.Imaging.ImageFormat.Jpeg);
qrCodeImage.Dispose();
return "/resource/image/qr/" + dir + "/" + fileName;
}
catch (Exception e)
{
return e.ToString();
}
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="plainText">内容</param>
/// <param name="pixel">像素大小 默认5 可自行调整</param>
/// <returns></returns>
public static Bitmap ToQrCode(this string plainText, int pixel = 5)
{
return GetQRCode(plainText, pixel);
}
/// <summary>
/// 生成二维码 Base64
/// </summary>
/// <param name="plainText">内容</param>
/// <param name="pixel">像素大小 默认5 可自行调整</param>
/// <param name="hasprev">包含data:image... 前缀 默认false</param>
/// <returns></returns>
public static string ToQrCodeBase64(this string plainText, int pixel = 5, bool hasprev = false)
{
string base64 = "";
if (hasprev)
{
base64 = "data:image/png;base64,";
}
base64 += FileHelper.BitmapToBase64(GetQRCode(plainText, pixel));
return base64;
}
}
}