趣味二维码生成

amzqr Words                   # 用来生成二维码的内容       [-v {1,2,3,...,40}]     # 二维码是正方形的，此参数表示二维码的边长，范围 1-40，不指定将基于二维码内容长度和纠错等级判断       [-l {L,M,Q,H}]          # 纠错等级，范围是 L、M、Q、H，从左到右依次升高，默认为 H       [-n output-filename]    # 输出二维码文件名       [-d output-directory]   # 输出二维码文件夹       [-p picture_file]       # 用于合成二维码的图片       [-c]                    # 是否生成彩色二维码       [-con contrast]         # 对比度，表示原始图片，更小的值表示更低对比度，更大反之，默认值为 1.0       [-bri brightness]       # 亮度，用法和取值与 -con 相同，默认值为 1.0

# 生成普通二维码 amzqr https://github.com  # 生成普通二维码，设置边长为 10， 纠错等级为 M amzqr https://github.com -v 10 -l M  # 生成普通二维码，设置边长为 10， 纠错等级为 M，输出到 /tmp/qrcode.png amzqr https://github.com -v 10 -l M -n qrcode.png -d /tmp  # 生成黑白图片二维码，设置边长为 10， 纠错等级为 M，输出到 /tmp/qrcode.png amzqr https://github.com -v 10 -l M -n qrcode.png -d /tmp -p github.png  # 生成彩色图片二维码，设置边长为 10， 纠错等级为 M，输出到 /tmp/qrcode.png amzqr https://github.com -v 10 -l M -n qrcode.png -d /tmp -p github.png -c  # 生成彩色图片二维码，设置边长为 10， 纠错等级为 M，输出到 /tmp/qrcode.png，对比度为 1.0，亮度为 1.0 amzqr https://github.com -v 10 -l M -n qrcode.png -d /tmp -p github.png -c -con 1.0 -bri 1.0  # 生成动态二维码，设置边长为 10， 纠错等级为 M，输出到 /tmp/qrcode.gif amzqr https://github.com -v 10 -l M -n qrcode.gif -d /tmp -p github.gif -c  # 生成动态二维码，设置边长为 10， 纠错等级为 M，输出到 /tmp/qrcode.gif，对比度为 1.0，亮度为 1.0 amzqr https://github.com -v 10 -l M -n qrcode.gif -d /tmp -p github.gif -c -con 1.0 -bri 1.0 

public class QRCodeForm {     /// <summary>     /// Content to gen to qrcode     /// </summary>     [Required]     public string? Text { get; set; }      /// <summary>     /// Length of the qrcode image range 1 to 40     /// </summary>     [Range(1, 40)]     public int? Version { get; set; } = null;      /// <summary>     /// Error correction level, is one of L, M, Q and H, default H     /// </summary>     [DefaultValue("H")]     [LevelValidation]     public string Level { get; set; } = "H";      /// <summary>     /// Is qrcode image colorized     /// </summary>     public bool Colorized { get; set; } = false;      /// <summary>     /// The contrast of the qrcode image, defaule 1.0     /// </summary>     [DefaultValue(1.0)]     public double Contrast { get; set; } = 1.0;      /// <summary>     /// The brightness of the qrcode image, defaule 1.0     /// </summary>     [DefaultValue(1.0)]     public double Brightness { get; set; } = 1.0; } 

[HttpPost] public async Task<IActionResult> Generate([FromForm] QRCodeForm form, IFormFile? file) {     var outDir = Directory.GetCurrentDirectory();     var isUnix = RuntimeInformation.IsOSPlatform(OSPlatform.OSX) || RuntimeInformation.IsOSPlatform(OSPlatform.Linux);     if (isUnix)     {         outDir = "/tmp";     }      var command = $"amzqr {form.Text} -l {form.Level.ToUpper()}";      var isGif = false;     var tmpPath = string.Empty;     if (file != null)     {         var ext = Path.GetExtension(file.FileName).ToLower();         if (ext == ".gif")         {             isGif = true;         }          tmpPath = Path.Combine(outDir, isGif ? $"{Guid.NewGuid()}.gif" : $"{Guid.NewGuid()}.png");         await using var stream = System.IO.File.Create(tmpPath);         await file.CopyToAsync(stream);          command = form.Colorized ? $"{command} -p {tmpPath} -c" : $"{command} -p {tmpPath}";          if (form.Version == null)         {             form.Version = 10;         }     }      if (form.Version != null)     {         command = $"{command} -v {form.Version}";     }      var filename = isGif ? $"{Guid.NewGuid()}.gif" : $"{Guid.NewGuid()}.png";     var filePath = Path.Combine(outDir, filename);      command = $"{command} -n {filePath} -d {outDir} -con {form.Contrast} -bri {form.Brightness}";      var (code, message) = ExecuteCommand(command);      if (code != 0)     {         return StatusCode(StatusCodes.Status500InternalServerError, new { Message = message });     }      var bytes = await System.IO.File.ReadAllBytesAsync(filePath);     System.IO.File.Delete(filePath);      if (!string.IsNullOrWhiteSpace(tmpPath))     {         System.IO.File.Delete(tmpPath);     }      var contentType = isGif ? "image/gif" : "image/png";     return File(bytes, contentType, filename); }

private (int, string) ExecuteCommand(string command) {     var isUnix = RuntimeInformation.IsOSPlatform(OSPlatform.OSX) || RuntimeInformation.IsOSPlatform(OSPlatform.Linux);     var escapedArgs = command.Replace(""", "\"");     var process = new Process     {         StartInfo = new ProcessStartInfo         {             FileName = isUnix ? "/bin/sh" : "powershell",             Arguments = isUnix ? $"-c "{escapedArgs}"" : command,             RedirectStandardOutput = true,             RedirectStandardError = true,             UseShellExecute = false,             CreateNoWindow = true         }     };      process.Start();     process.WaitForExit();      var message = process.StandardOutput.ReadToEnd();     if (process.ExitCode != 0)     {         message = process.StandardError.ReadToEnd();     }      return (process.ExitCode, message); }

docker images REPOSITORY                                            TAG                     IMAGE ID            CREATED             SIZE qrcode-service                                        1.0.0                   ed951bd0f183        11 hours ago        579MB  docker history qrcode-service:1.0.0 IMAGE               CREATED             CREATED BY                                      SIZE                COMMENT ed951bd0f183        11 hours ago        /bin/sh -c #(nop)  ENTRYPOINT ["/app/QRCodeS…   0B 5d8233b13569        11 hours ago        /bin/sh -c #(nop)  EXPOSE 5000                  0B 243defd1dbf8        11 hours ago        /bin/sh -c #(nop) WORKDIR /app                  0B 35107ba54a38        11 hours ago        /bin/sh -c #(nop) COPY dir:41655fe6f5c1f2696…   89.7MB              # .Net 程序大小 6397fd089666        11 hours ago        /bin/sh -c pip install amzqr                    163MB               # amzpr 大小 dd22ff3f30f3        11 hours ago        /bin/sh -c apk add build-base python3-dev       239MB               # gcc + python-dev 大小 ebfe625d9bbf        11 hours ago        /bin/sh -c pip3 install --no-cache --upgrade…   17.8MB              # setuptools 大小 27b796e1ee1b        11 hours ago        /bin/sh -c python3 -m ensurepip                 12.8MB              # pip 大小 897ce778f7ac        11 hours ago        /bin/sh -c apk add --update --no-cache pytho…   44.4MB              # python 大小 f50f70c2e77e        11 hours ago        /bin/sh -c #(nop)  ENV PYTHONUNBUFFERED=1       0B 383310ca7431        11 hours ago        /bin/sh -c apk add --no-cache         ca-cer…   4.32MB              # .Net 依赖大小 b5cadfbc43c4        11 hours ago        /bin/sh -c apk update                           2.16MB              # 升级 apk 源增加的大小 c594ce5ebfef        11 hours ago        /bin/sh -c sed -i 's/dl-cdn.alpinelinux.org/…   95B 021b3423115f        9 months ago        /bin/sh -c #(nop)  CMD ["/bin/sh"]              0B <missing>           9 months ago        /bin/sh -c #(nop) ADD file:34eb5c40aa0002892…   5.6MB               # Alpine 镜像大小