Java实现向Word文档插入数学公式和符号的方法

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <url>https://repo.e-iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.doc</artifactId>
        <version>14.4.9</version>
    </dependency>
</dependencies>

import com.spire.doc.Document;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.OfficeMath;

public class InsertLinearFormula {
    public static void main(String[] args) {
        // 创建文档实例
        Document doc = new Document();
        Section section = doc.addSection();
        
        // 添加段落并设置说明文字
        Paragraph para = section.addParagraph();
        para.appendText("一元二次方程求根公式：");
        
        // 创建OfficeMath对象
        OfficeMath officeMath = new OfficeMath(doc);
        
        // 构建公式
        officeMath.appendMathElement("x = (-b ± √(b²-4ac)) / 2a");
        
        // 将公式添加到段落
        para.getItems().add(officeMath);
        
        // 保存文档
        doc.saveToFile("QuadraticFormula.docx");
        doc.close();
    }
}

import com.spire.doc.Document;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.OfficeMath;

public class BuildComplexFormula {
    public static void main(String[] args) {
        Document doc = new Document();
        Section section = doc.addSection();
        
        Paragraph para = section.addParagraph();
        para.appendText("分数公式示例：");
        
        OfficeMath math = new OfficeMath(doc);
        
        // 构建分数结构：a/b
        math.appendMathElement("a");
        OfficeMath fraction = new OfficeMath(doc);
        fraction.appendMathElement("/");
        fraction.appendMathElement("b");
        math.getItems().add(fraction);
        
        para.getItems().add(math);
        
        doc.saveToFile("FractionFormula.docx");
        doc.close();
    }
}

import com.spire.doc.Document;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.OfficeMath;

public class InsertMathSymbols {
    public static void main(String[] args) {
        Document doc = new Document();
        Section section = doc.addSection();
        
        // 希腊字母
        Paragraph para1 = section.addParagraph();
        para1.appendText("希腊字母：");
        OfficeMath alpha = new OfficeMath(doc);
        alpha.appendMathElement("α");
        para1.getItems().add(alpha);
        
        OfficeMath beta = new OfficeMath(doc);
        beta.appendMathElement("β");
        para1.getItems().add(beta);
        
        OfficeMath gamma = new OfficeMath(doc);
        gamma.appendMathElement("γ");
        para1.getItems().add(gamma);
        
        // 集合符号
        Paragraph para2 = section.addParagraph();
        para2.appendText("集合论符号：");
        
        OfficeMath elementOf = new OfficeMath(doc);
        elementOf.appendMathElement("∈");
        para2.getItems().add(elementOf);
        
        OfficeMath subsetOf = new OfficeMath(doc);
        subsetOf.appendMathElement("⊆");
        para2.getItems().add(subsetOf);
        
        OfficeMath union = new OfficeMath(doc);
        union.appendMathElement("∪");
        para2.getItems().add(union);
        
        OfficeMath intersection = new OfficeMath(doc);
        intersection.appendMathElement("∩");
        para2.getItems().add(intersection);
        
        // 运算符
        Paragraph para3 = section.addParagraph();
        para3.appendText("常用运算符：");
        
        OfficeMath plusMinus = new OfficeMath(doc);
        plusMinus.appendMathElement("±");
        para3.getItems().add(plusMinus);
        
        OfficeMath multiply = new OfficeMath(doc);
        multiply.appendMathElement("×");
        para3.getItems().add(multiply);
        
        OfficeMath divide = new OfficeMath(doc);
        divide.appendMathElement("÷");
        para3.getItems().add(divide);
        
        doc.saveToFile("MathSymbols.docx");
        doc.close();
    }
}

import com.spire.doc.Document;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.OfficeMath;

public class InsertMatrix {
    public static void main(String[] args) {
        Document doc = new Document();
        Section section = doc.addSection();
        
        Paragraph para = section.addParagraph();
        para.appendText("3×3 矩阵示例：");
        
        OfficeMath matrix = new OfficeMath(doc);
        
        // 使用矩阵语法，用括号包围矩阵内容
        String matrixStr = "[[a₁₁, a₁₂, a₁₃],[a₂₁, a₂₂, a₂₃],[a₃₁, a₃₂, a₃₃]]";
        matrix.appendMathElement(matrixStr);
        
        para.getItems().add(matrix);
        
        doc.saveToFile("Matrix.docx");
        doc.close();
    }
}

import com.spire.doc.Document;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.OfficeMath;
import com.spire.doc.documents.CharacterFormat;

public class FormulaFormatting {
    public static void main(String[] args) {
        Document doc = new Document();
        Section section = doc.addSection();
        
        Paragraph para = section.addParagraph();
        
        // 设置段落中公式的字符格式
        CharacterFormat format = new CharacterFormat(doc);
        format.setFontName("Times New Roman");
        format.setFontSize(16f);
        format.setBold(true);
        
        para.appendText("格式化后的公式：");
        para.applyCharacterFormat(format);
        
        OfficeMath math = new OfficeMath(doc);
        math.appendMathElement("E = mc²");
        para.getItems().add(math);
        
        doc.saveToFile("FormattedFormula.docx");
        doc.close();
    }
}