浅析Python如何在Word文档中插入数学公式

pip install spire.doc.free

pip install spire.doc

from spire.doc import *
 
# 新建 Word 文档
doc = Document()
section = doc.AddSection()
section.PageSetup.Margins.All = 72.0 
 
# 添加标题
title_para = section.AddParagraph()
title_para.AppendText("使用 EQ 域插入数学公式").CharacterFormat.FontName = "宋体"
title_para.ApplyStyle(BuiltinStyle.Heading1)
title_para.Format.HorizontalAlignment = HorizontalAlignment.Center
 
# 定义添加 EQ 域的函数
def add_eq_field(description, field_code):
    desc_para = section.AddParagraph()
    desc_para.AppendText(description).CharacterFormat.FontName = "宋体"
 
    eq_para = section.AddParagraph()
    eq_field = eq_para.AppendField("eq_field", FieldType.FieldEquation)
    eq_field.Code = field_code
 
    section.AddParagraph()  # 添加空行分隔
 
# 添加示例公式
add_eq_field("立方根公式:", "EQ \\r(3, x)")
add_eq_field("平方根公式:", "EQ \\r(x)")
add_eq_field("分数:", "EQ \\f(1,2)")
add_eq_field("求根公式:", "EQ \\f(-b + c, 2a)")
 
# 启用自动更新域
doc.IsUpdateFields = True
 
# 保存文档
doc.SaveToFile("数学公式_EQ域.docx", FileFormat.Docx2016)
doc.Dispose()

from spire. doc import *
 
# 新建 Word 文档
doc = Document()
section = doc.AddSection()
section.PageSetup.Margins.All = 72.0
 
# LaTeX 数学公式示例
latex_equations = [
    "x^{2}+\\sqrt{x^{2}+1}=2",  
    "\\cos (2\\theta) = \\cos^2 \\theta - \\sin^2 \\theta",  
    "\\frac {1}{x} + \\frac {1}{y}",  
    "\\int_{-\\infty}^{\\infty} e^{-x^2} dx = \\sqrt{\\pi}",  
    "\\frac{d}{dx} \\left( x^3 + 3x^2 + 2x + 1 \\right) = 3x^2 + 6x + 2", 
    "S_n = \\sum_{k=1}^{n} \\frac{1}{k^2}",  
]
 
# 添加 LaTeX 数学公式
for latex in latex_equations:
    para = section.AddParagraph()
    math_obj = OfficeMath(doc)
    math_obj.FromLatexMathCode(latex)
    para.Items.Add(math_obj)
 
section.AddParagraph()  # 空行分隔
 
# MathML 数学公式示例
mathml_equations = [
    "<math xmlns='http://www.w3.org/1998/Math/MathML'><mi>a</mi><mo>≠</mo><mn>0</mn></math>",  # Simple inequality
    "<math xmlns='http://www.w3.org/1998/Math/MathML'><mi>x</mi><mo>=</mo><mfrac><mn>1</mn><mi>a</mi></mfrac></math>",  # Simple fraction
    "<math xmlns='http://www.w3.org/1998/Math/MathML'><mrow><mfrac><mrow><mi>d</mi></mrow><mrow><mi>d</mi><mi>x</mi></mrow></mfrac><mo>(</mo><msup><mi>x</mi><mn>2</mn></msup><mo>)</mo><mo>=</mo><mn>2</mn><mi>x</mi></mrow></math>",  # Derivative of x^2
    "<math xmlns='http://www.w3.org/1998/Math/MathML'><mfrac><mrow><mn>1</mn><mo>+</mo><msup><mi>x</mi><mn>2</mn></msup></mrow><mrow><msup><mi>x</mi><mn>3</mn></msup></mrow></mfrac></math>",  # Rational function
    "<math xmlns='http://www.w3.org/1998/Math/MathML'><mrow><msup><mi>e</mi><mi>x</mi></msup><mo>=</mo><mi>ln</mi><mo>(</mo><mi>x</mi><mo>)</mo></mrow></math>",  # Logarithmic function
]
 
# 添加 MathML 数学公式
for mathml in mathml_equations:
    para = section.AddParagraph()
    math_obj = OfficeMath(doc)
    math_obj.FromMathMLCode(mathml)
    para.Items.Add(math_obj)
 
# 保存文档
doc.SaveToFile("数学公式_LaTeX_MathML.docx", FileFormat.Docx2016)
doc.Dispose()