import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.reporting.MergeImageFieldEventArgs;
import com.spire.doc.reporting.MergeImageFieldEventHandler;

import java.text.SimpleDateFormat;
import java.util.Date;

public class SimpleMailMerge {
    public static void main(String[] args) throws Exception {
        //create a Document instance
        Document document = new Document();
        //load the template document
        document.loadFromFile("template - Copy.docx");

        //specify the merge field name
        String[] filedNames = new String[]{"image"};
        //specify the path of image 
        String[] filedValues = new String[]{"logo.png"};
        //invoke the mail merge event to load image 
        document.getMailMerge().MergeImageField = new MergeImageFieldEventHandler() {
            public void invoke(Object sender, MergeImageFieldEventArgs args) {
                mailMerge_MergeImageField(sender, args);
            }
        };
        //execute mail merge
        document.getMailMerge().execute(filedNames, filedValues);

        //save file
        document.saveToFile("MailMergeImage.docx", FileFormat.Docx_2013);
    }
    //create a mail merge event to load image
    private static void mailMerge_MergeImageField(Object sender, MergeImageFieldEventArgs field) {
        String filePath = field.getImageFileName();
        if (filePath != null && !"".equals(filePath)) {
            try {
                field.setImage(filePath);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}