iText导出pdf 表格文件

IText2.1.7动态导出PDF文档 

@RequestMapping(value="/test")
	public ModelAndView getSubDetailExport() throws Exception {
		Map<String,Object> dataMap = new HashMap<String,Object>();
		List<String> titles = new ArrayList<String>();
		titles.add("第一列");		//1       
		titles.add("第二列");			//2
		titles.add("第三列");			//3
		titles.add("第四列");		//4

		
		List<Map<String,Object>> subList = new ArrayList<Map<String,Object>>();
		for(int i=0;i<10;i++){
            Map<String,Object> subpd = new HashMap<String,Object>();
			subpd.put("var1", "1111");			//1
			subpd.put("var2", "1111");			//2
			subpd.put("var3", "1111");			//3
			subpd.put("var4", "1111");		    //4
			subList.add(subpd);
		}
		dataMap.put("varList", subList);      
		dataMap.put("title", "这是一个标题");
        dataMap.put("titles", titles);   
		ObjectPdfView erv = new ObjectPdfView();					//执行excel操作
		ModelAndView mv = new ModelAndView(erv,dataMap);
		return mv;
	}
	

import org.springframework.web.servlet.view.document.AbstractPdfView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;

import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
import java.awt.Color;

/**
 * @描述：导出pdf文件
 * @author：guoX
 * @date：2017/6/7
 */
public class ObjectPdfView extends AbstractPdfView {
    @Override
    protected void buildPdfDocument(Map<String, Object> model, Document document, PdfWriter writer,
        HttpServletRequest request, HttpServletResponse response) throws Exception {
        Rectangle rectPageSize = new Rectangle(900,900);// 定义页面大小
        document.setPageSize(rectPageSize);
        String title = (String)model.get("title"); // 设置名字
        title+=".pdf";
        List<String> titles = (List<String>) model.get("titles");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/octet-stream");
        response.setHeader("Content-Disposition",
                "attachment; filename=" + new String(title.getBytes("GB2312"), "ISO_8859_1"));
        document.addTitle(title);
        document.addSubject("export information");
        document.addAuthor("leno");
        document.addCreator("leno");
        document.addKeywords("pdf itext");
        // 定义页头和页尾
        HeaderFooter header = new HeaderFooter(new PdfParagraph(title, 20,
                true), false);
        header.setAlignment(Element.ALIGN_CENTER);
        HeaderFooter footer = new HeaderFooter(new Phrase(
                "This   is   page   "), new Phrase("."));
        footer.setAlignment(Element.ALIGN_CENTER);
        document.setHeader(header);
        document.setFooter(footer);
        document.open();
        PdfPTable table = new PdfPTable(titles.size());
        // table.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.setWidthPercentage(16 * titles.size());
        float[] TableWidths = { 15, 40, 15, 20 };//按百分比分配单元格宽带
        table.setTotalWidth(800);
        table.setLockedWidth(true);
        // 产生表格标题行
        for (int i = 0; i < titles.size(); i++) {
            PdfPCell cell = new PdfPCell(new PdfParagraph(titles.get(i), 14,
                    true));
            cell.setHorizontalAlignment(Cell.ALIGN_CENTER);
            cell.setVerticalAlignment(Cell.ALIGN_MIDDLE);
            cell.setBackgroundColor(Color.gray);
            cell.setBorderColor(Color.black);

            table.addCell(cell);
        }

        List<Map<String,Object>> varList = (List<Map<String,Object>>) model.get("varList");
        for(int i=0; i<varList.size(); i++){
            Map<String,Object> vpd = varList.get(i);
            for(int j=0;j<titles.size();j++){
                PdfPCell cell = null;
                String varstr = vpd.getString("var"+(j+1)) != null ? vpd.getString("var"+(j+1)) : "";
                if (varstr != null) {
                    cell = new PdfPCell(new PdfParagraph(varstr));
                }
                cell.setHorizontalAlignment(Cell.ALIGN_CENTER);
                cell.setVerticalAlignment(Cell.ALIGN_MIDDLE);
                cell.setBorderColor(Color.black);
                table.addCell(cell);
            }


        }
        document.add(table);
        document.close();
    }
}

import java.io.IOException;
 
import com.lowagie.text.*;
import com.lowagie.text.pdf.BaseFont;
 
public class PdfParagraph extends Paragraph {
 
   private static final long serialVersionUID = -244970043180837974L;
 
   public PdfParagraph(String content) {
      super(content, getChineseFont(12, false));
   }
 
   public PdfParagraph(String content, int fontSize, boolean isBold) {
      super(content, getChineseFont(fontSize, isBold));
   }

   // 设置字体-返回中文字体
   protected static Font getChineseFont(int nfontsize, boolean isBold) {
      BaseFont bfChinese;
      Font fontChinese = null;
      try {
         bfChinese = BaseFont.createFont("c://windows//fonts//simsun.ttc,1",
                BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
         if (isBold) {
            fontChinese = new Font(bfChinese, nfontsize, Font.BOLD);
         } else {
            fontChinese = new Font(bfChinese, nfontsize, Font.NORMAL);
         }
      } catch (DocumentException e) {
         // TODO Auto-generated catch block
         e.printStackTrace();
      } catch (IOException e) {
         // TODO Auto-generated catch block
         e.printStackTrace();
      }
      return fontChinese;
   }
 
   // ת������
   protected Cell ChangeCell(String str, int nfontsize, boolean isBold)
         throws IOException, BadElementException, DocumentException {
      Phrase ph = ChangeChinese(str, nfontsize, isBold);
      Cell cell = new Cell(ph);
      // cell.setBorderWidth(3);
 
      return cell;
   }
 
   // ת������
   protected Chunk ChangeChunk(String str, int nfontsize, boolean isBold)
         throws IOException, BadElementException, DocumentException {
      Font FontChinese = getChineseFont(nfontsize, isBold);
      Chunk chunk = new Chunk(str, FontChinese);
      return chunk;
   }
 
   // ת������
   protected Phrase ChangeChinese(String str, int nfontsize, boolean isBold)
         throws IOException, BadElementException, DocumentException {
      Font FontChinese = getChineseFont(nfontsize, isBold);
      Phrase ph = new Phrase(str, FontChinese);
      return ph;
   }
 
}

 
import java.io.UnsupportedEncodingException;
 
public class StrHelp {
 
   public static String getChinese(String s) {
      try {
         return new String(s.getBytes("gb2312"), "iso-8859-1");
      } catch (UnsupportedEncodingException e) {
         return s;
      }
   }
}