package?com.own.pdf;

import?com.itextpdf.io.font.PdfEncodings;
import?com.itextpdf.kernel.events.Event;
import?com.itextpdf.kernel.events.IEventHandler;
import?com.itextpdf.kernel.events.PdfDocumentEvent;
import?com.itextpdf.kernel.font.PdfFont;
import?com.itextpdf.kernel.font.PdfFontFactory;
import?com.itextpdf.kernel.geom.Rectangle;
import?com.itextpdf.kernel.pdf.PdfDocument;
import?com.itextpdf.kernel.pdf.PdfPage;
import?com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import?com.itextpdf.layout.Canvas;
import?com.itextpdf.layout.element.Paragraph;
import?com.itextpdf.layout.property.TextAlignment;

import?java.io.IOException;

/**
?*?Created?by?kdl?on?2018/9/3.
?*/
public?class?FooterHandler?implements?IEventHandler?{
????public?void?handleEvent（Event?event）?{
????????PdfFont?font2?=?null;
????????try?{
????????????font2?=?PdfFontFactory.createFont（“C:\\Windows\\Fonts\\simsun.ttc1“?PdfEncodings.IDENTITY_H?false）;
????????}?catch?（IOException?e）?{
????????????e.printStackTrace（）;
????????}
????????PdfDocumentEvent?docEvent?=?（PdfDocumentEvent）?event;
????????PdfDocument?pdf?=?docEvent.getDocument（）;
????????PdfPage?page?=?docEvent.getPage（）;
????????Rectangle?pageSize?=?page.getPageSize（）;
????????PdfCanvas?pdfCanvas?=?new?PdfCanvas（
????????????????page.getLastContentStream（）?page.getResources（）?pdf）;
????????Canvas?canvas?=?new?Canvas（pdfCanvas?pdf?pageSize）;
????????float?x?=?（pageSize.getLeft（）?+?pageSize.getRight（））?/?2;
????????float?y?=?pageSize.getBottom（）?+?15;
????????try?{
????????????Paragraph?p?=?new?Paragraph（）;
????????????p.setFont（font2）;
????????????p.add（“第“?+?pdf.getPageNumber（page）?+?“頁“）;
????????????canvas.showTextAligned（p?x?y?TextAlignment.CENTER）;
????????????canvas.close（）;
????????}?catch?（Exception?e）?{
????????????e.printStackTrace（）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-03?14:04??pdf\
?????文件????????1873??2018-09-03?10:08??pdf\FooterHandler.java
?????文件????????2528??2018-09-03?10:10??pdf\HeaderHandler.java
?????文件????????1360??2018-09-03?13:50??pdf\PdfUtils.java
?????文件?????????219??2018-09-03?10:05??pdf\Test.java