Footnote is a supplementary description of the main text, it allows you to cite sources or explain a concept in detail and makes your document more professional. This article will give the below two examples of how to insert footnote to a word document in Java applications with the help of Free Spire.Doc for Java.
● Add a footnote to a paragraph in the word document.
● Insert a footnote behinds the specified text in the word document.
Installation
Method 1: Download Free Spire.Doc for Java and unzip it. Then add the Spire.Doc.jar file to your Java application as dependency.
Method 2: Directly add the jar dependency to maven project by adding the following configurations to the pom.xml.
<repositories> <repository> <id>com.e-iceblue</id> <name>e-iceblue</name> <url>http://repo.e-iceblue.com/nexus/content/groups/public/</url> </repository> </repositories> <dependencies> <dependency> <groupId>e-iceblue</groupId> <artifactId>spire.doc.free</artifactId> <version>3.9.0</version> </dependency> </dependencies> 【Example 1】
Add a footnote to the first paragraph in word
import com.spire.doc.*; import com.spire.doc.documents.*; import com.spire.doc.fields.*; import java.awt.*; public class WordFootnote { public static void main(String[] args) throws Exception { //load sample word document Document doc = new Document(); doc.loadFromFile("sample.docx", FileFormat.Docx_2010); //get the first paragraph from the first section Paragraph para = doc.getSections().get(0).getParagraphs().get(0); //Add footnote to the first paragraph Footnote footnote = para.appendFootnote(FootnoteType.Footnote); //Add the text and format for it TextRange text = footnote.getTextBody().addParagraph().appendText("A study predict that polar bears may go extinct by 2100"); text.getCharacterFormat().setFontName("Calibri"); text.getCharacterFormat().setFontSize(11); text.getCharacterFormat().setTextColor(new Color(220, 130, 10)); //set the format for footnote marker footnote.getMarkerCharacterFormat().setFontName("Calibri"); footnote.getMarkerCharacterFormat().setFontSize(12); footnote.getMarkerCharacterFormat().setBold(true); footnote.getMarkerCharacterFormat().setTextColor(new Color(0, 0, 139)); // save the document to file doc.saveToFile("Addfootnote.docx", FileFormat.Docx_2010); } } 
【Example 2】
Find “ecological niche” and insert a footnote behinds it in the word document
import com.spire.doc.*; import com.spire.doc.documents.*; import com.spire.doc.fields.*; import java.awt.*; public class WordFootnote { public static void main(String[] args) throws Exception { //load sample word document Document doc = new Document(); doc.loadFromFile("sample.docx", FileFormat.Docx_2010); //find text string Spire.Doc in the whole word document TextSelection[] selections = doc.findAllString("ecological niche", false, true); for (TextSelection selection : selections) { TextRange range = selection.getAsOneRange(); Paragraph para = range.getOwnerParagraph(); //Add footnote behind the searched text strings Footnote footnote = para.appendFootnote(FootnoteType.Footnote); int index = para.getChildObjects().indexOf(range); para.getChildObjects().insert(index + 1, footnote); //Add the text and format for it TextRange text = footnote.getTextBody().addParagraph().appendText("In ecology, a niche is the match of a species to a specific environmental condition."); text.getCharacterFormat().setFontName("Calibri"); text.getCharacterFormat().setFontSize(10); text.getCharacterFormat().setTextColor(new Color(41, 167, 56)); //set the format for footnote marker footnote.getMarkerCharacterFormat().setFontName("Calibri"); footnote.getMarkerCharacterFormat().setFontSize(12); footnote.getMarkerCharacterFormat().setBold(true); footnote.getMarkerCharacterFormat().setTextColor(new Color(0, 0, 139)); // save the document to file doc.saveToFile("Addfootnote.docx", FileFormat.Docx_2010); } } } 
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