C#识别图片数字

    ///选取图片按钮的代码
    /// 
    /// 
    /// 
    private void 选择图片_Click(object sender, EventArgs e)
    {      
            OpenFileDialog openFileDialog = new OpenFileDialog();
        openFileDialog.Filter = "JPG Files (*.jpg)|*.jpg|PNG Files (*.png)|*.png";
        openFileDialog.FilterIndex = 1;
            openFileDialog.Multiselect = false;
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                selectedPicture = openFileDialog.FileName;
                MessageBox.Show($"您选中的图片路径为：{selectedPicture}");
                // 使用Image类加载图片           
                Image image = Image.FromFile(selectedPicture);
            // 将图片显示在PictureBox中        
            pictureBox1.Image = image;   
            }
            else
            {
                MessageBox.Show("您本次没有选择任何图片！！！");
            }
        
    }

    /// 

    /// 开始识别按钮的代码
    /// 
    /// 
    /// 
    private void 识别_Click(object sender, EventArgs e)
    {

        //创建扫描器
            OcrScanner scanner = new OcrScanner();
        //开始扫描
            if (selectedPicture!=null)
            scanner.Scan(selectedPicture);
            //输出结果
            string result = scanner.Text.ToString();
            richTextBox1.Text = result;
                    //替换掉最后一句话
            string result2 = result.Replace("Evaluation Warning : The version can be used only for evaluation purpose...", "");
            richTextBox1.Text = result2;
    }

使用Nuget安装Spire.OCR的包

将目标平台设置为X64

要将 \项目名\packages\Spire.OCR.1.8.0\runtimes\win-x64\native内的ddl，复制粘贴到 \项目名\bin\x64\Debug内