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package com.yiboshi.science.utils;
import com.itextpdf.io.font.PdfEncodings;
import com.itextpdf.kernel.colors.DeviceRgb;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.borders.Border;
import com.itextpdf.layout.borders.SolidBorder;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.properties.HorizontalAlignment;
import com.itextpdf.layout.properties.TextAlignment;
import com.itextpdf.layout.properties.VerticalAlignment;
import com.itextpdf.text.DocumentException;
import java.text.SimpleDateFormat;
import java.util.Objects;
import static com.yiboshi.science.utils.ProjectInfoToPDF.getCurrentOperatingSystem;
/**
* PDF工具
*
* @author ppp
* @date 2022/8/5
*/
public class PdfUtil {
static float borderWidth = 1f;
static Border unitedBorder = new SolidBorder(new DeviceRgb(0, 0, 0), borderWidth);
private static PdfFont createFont(String fontName) {
try {
if ("linux".equals(getCurrentOperatingSystem())) {
if (fontName.toLowerCase().endsWith(".ttc"))
return PdfFontFactory.createFont("/usr/share/fonts/" + fontName + ",0", PdfEncodings.IDENTITY_H);
else
return PdfFontFactory.createFont("/usr/share/fonts/" + fontName, PdfEncodings.IDENTITY_H);
} else {
if (fontName.toLowerCase().endsWith(".ttc"))
return PdfFontFactory.createFont("c:/Windows/Fonts/" + fontName + ",0", PdfEncodings.IDENTITY_H);
else
return PdfFontFactory.createFont("c:/Windows/Fonts/" + fontName, PdfEncodings.IDENTITY_H);
}
} catch (Exception e) {
throw new RuntimeException("加载字体文件失败，请确保系统中存在字体文件 " + fontName + "：" + e.getMessage(), e);
}
}
public static void addTablePageCell(Table table, String label, String value, Integer labelColspan, Integer valueColspan, PdfFont font) {
if (Objects.isNull(labelColspan))
labelColspan = 1;
if (Objects.isNull(valueColspan))
valueColspan = 1;
Cell labelCell = new Cell(1, labelColspan);
labelCell.setMinHeight(36f);
labelCell.setVerticalAlignment(VerticalAlignment.BOTTOM);
labelCell.setHorizontalAlignment(HorizontalAlignment.LEFT);
labelCell.setBorder(new SolidBorder(new DeviceRgb(0, 0, 0), 0.1f)); // 设置边框宽度
labelCell.add(new Paragraph(label != null ? label.toString() : "").setFont(font).setFontSize(15));
labelCell.setBorder(Border.NO_BORDER);
table.addCell(labelCell);
Cell valueCell = new Cell(1, valueColspan);
valueCell.setPadding(3f);
valueCell.setMinHeight(36f);
valueCell.setVerticalAlignment(VerticalAlignment.BOTTOM);
valueCell.setHorizontalAlignment(HorizontalAlignment.LEFT);
// 只设置下边框
valueCell.setBorderTop(Border.NO_BORDER);
valueCell.setBorderLeft(Border.NO_BORDER);
valueCell.setBorderRight(Border.NO_BORDER);
valueCell.setBorderBottom(unitedBorder);
valueCell.add(new Paragraph(value != null ? value.toString() : "").setFont(font).setFontSize(15));
table.addCell(valueCell);
}
public static void addValueCell(Table table, String label, Integer labelColspan, String value, Integer valueColspan, Float height, PdfFont font, Float fontSize, VerticalAlignment vertical, HorizontalAlignment horizontal) {
addCell(table, label, labelColspan, null, height, font, fontSize, vertical, horizontal);
addCell(table, value, valueColspan, null, height, font, fontSize, vertical, horizontal);
}
public static void addCell(Table table, Object value, Integer colspan, Integer rowspan, Float height, PdfFont font, Float fontSize, VerticalAlignment vertical, HorizontalAlignment horizontal) {
if (Objects.isNull(font))
font = createFont("simsun.ttc");
if (Objects.isNull(fontSize))
fontSize = 10.5f;
if (Objects.isNull(height))
height = 25.5f;
if (Objects.isNull(colspan))
colspan = 1;
if (Objects.isNull(rowspan))
rowspan = 1;
if (Objects.isNull(vertical))
vertical = VerticalAlignment.MIDDLE;
if (Objects.isNull(horizontal))
horizontal = HorizontalAlignment.CENTER;
Cell cell = new Cell(rowspan, colspan);
cell.setPadding(5f);
cell.setMinHeight(height);
cell.setVerticalAlignment(vertical);
cell.setHorizontalAlignment(horizontal);
cell.setBorderRight(unitedBorder);
cell.setBorderBottom(unitedBorder);
// 创建段落并检查字体
cell.add(new Paragraph(value != null ? value.toString() : "").setFont(font).setFontSize(fontSize));
table.addCell(cell);
}
public static void setParagraph(Document document, Object value, PdfFont font, float FontSize, boolean bold) throws DocumentException {
Paragraph paragraph = new Paragraph(value != null ? value.toString() : "")
.setFont(font)
.setFontSize(FontSize)
.setTextAlignment(TextAlignment.LEFT) // 设置文字对齐方式
.setMarginLeft(1f); // 设置左缩进
if (bold) {
paragraph.setBold();
}
document.add(paragraph);
}
}