Mail merge in Word document a very powerful function for users to write and send personalized letters or e-mails to many different people at the same time. This article will demonstrate how to create a mail merge template and then merge the text value into the template with the help of Free Spire.Doc for Java.
Import Jar Dependency (2 methods)
● Download the Free Spire.Doc for Java and unzip it, then add the Spire.Doc.jar file to your Java application as dependency.
● 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>
Sample Code
import com.spire.doc.*;
import com.spire.doc.documents.Paragraph;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MailMerge {
public static void main(String[] args) throws Exception {
String output = "mailMerge.docx";
//Create a Document instance
Document document = new Document();
//Add a section
Section section = document.addSection();
//Add 3 paragraphs to the section
Paragraph para = section.addParagraph();
Paragraph para2 = section.addParagraph();
Paragraph para3 = section.addParagraph();
//Add mail merge templates to each paragraph
para.setText("Contact Name: ");
para.appendField("Contact Name", FieldType.Field_Merge_Field);
para2.setText("Phone: ");
para2.appendField("Phone", FieldType.Field_Merge_Field);
para3.setText("Date: ");
para3.appendField("Date", FieldType.Field_Merge_Field);
//Set the value for the mail merge template by the field name
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = formatter.format(currentTime);
String[] filedNames = new String[]{"Contact Name", "Phone", "Date"};
String[] filedValues = new String[]{"Robert Chan", "+1 (69) 123456", dateString};
//Merge the specified value into template
document.getMailMerge().execute(filedNames, filedValues);
//save the document to file
document.saveToFile(output, FileFormat.Docx);
}
}
A snapshot of the result document
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