Java设置PDF有序和无序列表的知识点总结

import com.spire.pdf.*;import com.spire.pdf.graphics.*;import com.spire.pdf.lists.*;import java.awt.*;import java.awt.geom.*; public class list {  public static void main(String[] args) {  //创建PDFDocument对象  PdfDocument doc = new PdfDocument();   //设置边距  PdfUnitConvertor unitCvtr = new PdfUnitConvertor();  PdfMargins margin = new PdfMargins();  margin.setTop(unitCvtr.convertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point));  margin.setBottom(margin.getTop());  margin.setLeft(unitCvtr.convertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point));  margin.setRight(margin.getLeft());   //添加新的一页  PdfPageBase page = doc.getPages().add(PdfPageSize.A4, margin);   //绘制标题  float y = 10;  PdfBrush brush1 = PdfBrushes.getBlack();  PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial Unicode MS", Font.BOLD, 16), true);  PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Center);  page.getCanvas().drawString("部门活动采购清单", font1, brush1,  page.getCanvas().getClientSize().getWidth() / 2, y, format1);  y = y + (float) font1.measureString("活动采购清单", format1).getHeight();  y = y + 5;  //设置列表格式和列表文字  Rectangle2D rctg = new Rectangle2D.Float();  rctg.setFrame(new Point(0, 0), page.getCanvas().getClientSize());  PdfLinearGradientBrush brush = new PdfLinearGradientBrush(rctg, new PdfRGBColor(new PdfRGBColor(new Color(0,0,128))), new PdfRGBColor(new Color(255,69,0)), PdfLinearGradientMode.Vertical);  PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial Unicode MS", Font.BOLD, 12), true);  String formatted1 = "行政部/n开发部/n销售部/n后勤处/n保卫处";  String formatted2 = "饮料/n调味品/n糖果/n奶制品/n肉类/n蔬菜/n海鲜";  //画无序列表  PdfListBase list = new PdfUnorderedList(formatted2);  list.setFont(font);  list.setIndent(8);  list.setTextIndent(5);  list.setBrush(brush);  PdfLayoutResult result = list.draw(page, 0, y);  y = (float) (result.getBounds().getHeight()+result.getBounds().getY());  //画有序列表  PdfSortedList sortedList = new PdfSortedList(formatted1);  sortedList.setFont(font);  sortedList.setIndent(8);  sortedList.setTextIndent(5);  sortedList.setBrush(brush);  sortedList.draw(page, 0, y);   //保存文档   doc.saveToFile("list.pdf");  doc.close(); }}