package com.ltkj.common.utils.pdfutils;
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import com.itextpdf.text.*;
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import com.itextpdf.text.pdf.BaseFont;
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import com.itextpdf.text.pdf.PdfPCell;
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import com.itextpdf.text.pdf.PdfPTable;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.IOException;
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import java.net.URLEncoder;
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/**
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* @Author: 西安路泰科技有限公司/lige
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* @Date: 2022/12/8 9:31
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*/
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public class PdfUtils {
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/**
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* 字体存放的跟路径，默认为'C:\Windows\Fonts\'
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*/
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private static final String FONT_PATH = System.getProperty("user.dir") + File.separator + "ltkj-admin"+File.separator+"src"+File.separator+"main"+File.separator+"resources"+File.separator+"Font"+File.separator;
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/**
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* 纸张大小
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*/
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private static Rectangle RECTANGLE = PageSize.A4;
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/**
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* 设置字体默认值
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*
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* @return
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* @throws DocumentException
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* @throws IOException
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*/
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private static BaseFont createBaseFont(String fontName) throws DocumentException, IOException {
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// 默认为宋体
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if (fontName == null) {
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fontName = "simsun.ttc";
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}
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String fontPre = fontName.substring(fontName.lastIndexOf(".") + 1);
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if (fontPre.equals("ttc")) {
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// ttc格式的字体需要加上后缀
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fontName = fontName + ",0";
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}
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String font = FONT_PATH + fontName;
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return BaseFont.createFont(font, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
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}
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/**
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* 设置字体
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*
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* @return
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*/
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public static Font setFont() {
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return setFont(null, null, null, null);
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}
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public static Font setFont(Integer fontSize) {
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return setFont(null, fontSize, null, null);
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}
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public static Font setFont(Integer fontSize, BaseColor fontColor) {
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return setFont(null, fontSize, null, fontColor);
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}
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/**
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* @param fontName 字体名称 默认宋体
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* @param fontSize 字体大小 默认12号
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* @param fontStyle 字体样式
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* @param fontColor 字体颜色 默认黑色
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* @return
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*/
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public static Font setFont(String fontName, Integer fontSize, Integer fontStyle, BaseColor fontColor) {
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try {
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BaseFont baseFont = createBaseFont(fontName);
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Font font = new Font(baseFont);
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if (fontSize != null) {
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font.setSize(fontSize);
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}
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if (fontStyle != null) {
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font.setStyle(fontStyle);
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}
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if (fontColor != null) {
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font.setColor(fontColor);
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}
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return font;
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("设置字体失败！");
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}
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}
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/**
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* 创建pdf文档
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*
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* @param response
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* @param fileName
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* @return
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*/
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public static Document createDocument(HttpServletResponse response, String fileName) {
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try {
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response.reset();
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response.setHeader("Content-Type", "application/pdf-stream");
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response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
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response.setHeader("Pragma", "no-cache");
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response.setHeader("Cache-Control", "no-cache");
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} catch (Exception e) {
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e.printStackTrace();
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}
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// 设置大小
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RECTANGLE = PageSize.A4;
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return new Document(RECTANGLE, 50, 50, 50, 50);
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}
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/**
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* 绘制标题
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*
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* @param font
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* @param titleName
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* @return
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*/
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public static Paragraph setParagraph(Font font, String titleName) {
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Paragraph paragraph = new Paragraph(titleName, font);
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//设置文字居中
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paragraph.setAlignment(Element.ALIGN_LEFT);
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//行间距
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paragraph.setLeading(5f);
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//设置段落上空白
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paragraph.setSpacingBefore(10f);
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//设置段落下空白
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paragraph.setSpacingAfter(10f);
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return paragraph;
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}
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public static PdfPTable createTable(float[] widths) {
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PdfPTable table = new PdfPTable(widths);
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try {
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// 设置表格大小
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table.setTotalWidth(RECTANGLE.getWidth() - 100);
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//锁住宽度
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table.setLockedWidth(true);
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//table.setSpacingBefore(3f);
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// 设置表格下面空白宽度
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//table.setSpacingAfter(3f);
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// 居中
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table.setHorizontalAlignment(Element.ALIGN_CENTER);
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// 边框
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//table.getDefaultCell().setBorder(1);
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table.getDefaultCell().setBorder(0);
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table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return table;
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}
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public static PdfPCell createCell(String value, Font font) {
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PdfPCell cell = new PdfPCell();
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// 水平、垂直居中
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cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
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cell.setHorizontalAlignment(Element.ALIGN_CENTER);
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cell.setPhrase(new Phrase(value, font));
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// 设置无边框
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cell.setBorder(Rectangle.NO_BORDER);
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// 设置高度
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//cell.setFixedHeight(20);
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return cell;
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}
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}
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