C#代码实现在Word文档中插入数学公式

PM> Install-Package Spire.Doc

using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields.OMath;

namespace AddMathEquations
{
    internal class Program
    {
        static void Main(string[] args)
        {
            // 从 LaTeX 代码创建字符串数组
            string[] latexMathCode = {
                "x^{2}+\\sqrt{x^{2}+1}=2",
                "\\cos (2\\theta) = \\cos^2 \\theta - \\sin^2 \\theta",
                "k_{n+1} = n^2 + k_n^2 - k_{n-1}",
                "\\frac {\\frac {1}{x}+ \\frac {1}{y}}{y-z}",
                "\\int_0^ \\infty \\mathrm {e}^{-x} \\, \\mathrm {d}x",
                "\\forall x \\in X, \\quad \\exists y \\leq \\epsilon",
                "\\alpha, \\beta, \\gamma, \\Gamma, \\pi, \\Pi, \\phi, \\varphi, \\mu, \\Phi",
                "A_{m,n} = \\begin{pmatrix} a_{1,1} & a_{1,2} & \\cdots & a_{1,n} \\\\ a_{2,1} & a_{2,2} & \\cdots & a_{2,n} \\\\ \\vdots  & \\vdots  & \\ddots & \\vdots  \\\\ a_{m,1} & a_{m,2} & \\cdots & a_{m,n} \\end{pmatrix}",
            };

            // 从 MathML 代码创建字符串数组
            string[] mathMLCode = {
                "<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>a</mi><mo>≠</mo><mn>0</mn></math>",
                "<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>a</mi><msup><mi>x</mi><mn>2</mn></msup><mo>+</mo><mi>b</mi><mi>x</mi><mo>+</mo><mi>c</mi><mo>=</mo><mn>0</mn></math>",
                "<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>x</mi><mo>=</mo><mrow><mfrac><mrow><mo>−</mo><mi>b</mi><mo>±</mo><msqrt><msup><mi>b</mi><mn>2</mn></msup><mo>−</mo><mn>4</mn><mi>a</mi><mi>c</mi></msqrt></mrow><mrow><mn>2</mn><mi>a</mi></mrow></mfrac></mrow></math>",
            };

            // 创建 Document 实例
            Document doc = new Document();

            // 添加一个节
            Section section = doc.AddSection();

            // 向节中添加一个段落
            Paragraph textPara = section.AddParagraph();
            textPara.AppendText("从 LaTeX 代码创建公式");
            textPara.ApplyStyle(BuiltinStyle.Heading1);
            textPara.Format.HorizontalAlignment = HorizontalAlignment.Center;

            // 遍历 LaTeX 代码数组
            for (int i = 0; i < latexMathCode.Length; i++)
            {
                // 从 LaTeX 代码创建数学公式
                OfficeMath officeMath = new OfficeMath(doc);
                officeMath.FromLatexMathCode(latexMathCode[i]);

                // 将数学公式添加到节中
                Paragraph paragraph = section.AddParagraph();
                paragraph.Items.Add(officeMath);
                section.AddParagraph();
            }

            section.AddParagraph();

            // 添加一个段落
            textPara = section.AddParagraph();
            textPara.AppendText("从 MathML 代码创建公式");
            textPara.ApplyStyle(BuiltinStyle.Heading1);
            textPara.Format.HorizontalAlignment = HorizontalAlignment.Center;

            // 遍历 MathML 代码数组
            for (int j = 0; j < mathMLCode.Length; j++)
            {
                // 从 MathML 代码创建数学公式
                OfficeMath officeMath = new OfficeMath(doc);
                officeMath.FromMathMLCode(mathMLCode[j]);

                // 将数学公式添加到节中
                Paragraph paragraph = section.AddParagraph();
                paragraph.Items.Add(officeMath);
                section.AddParagraph();
            }

            // 保存生成的文档
            doc.SaveToFile("AddMathEquations.docx", FileFormat.Docx2013);
            doc.Dispose();
        }
    }
}

// 此代码片段演示了 Syncfusion DocIO 创建简单公式的方法
using Syncfusion.DocIO;
using Syncfusion.DocIO.DLS;
...
WordDocument document = new WordDocument();
document.EnsureMinimal(); // 添加一个部分和一个段落
WMath math = document.LastParagraph.AppendMath();
IOfficeMath officeMath = math.MathParagraph.Maths.Add();
// 添加一个分数 (Fraction) 函数
IOfficeMathFraction fraction = officeMath.Functions.Add(MathFunctionType.Fraction) as IOfficeMathFraction;
// 为分子和分母添加内容 (此处省略具体代码)
// ...
document.Save("Sample.docx", FormatType.Docx);
document.Close();