java生成pdf表格示例代碼

使用itext代碼直接生成pdf文件

1. 用到jar包    
     itextpdf-5.2.1.jar
     itext-asian-5.2.0.jar
2. 優缺點
   優點：生成快，代碼直接能用
   缺點：代碼要寫比較多，不同的表都要用不同的代碼寫
3. 說明
   首先將表格一共分格，並給定每個單元格的比例大小，然後根據跨行和跨列來分配單元格大小，
   將每個單元格的值，跨行數和跨列數寫出來，然後在組成拼接生成表格。
4. 代碼

   package com.test;
   
   import java.io.FileNotFoundException;
   import java.io.IOException;
   import com.itextpdf.text.Document;
   import com.itextpdf.text.DocumentException;
   import com.itextpdf.text.Font;
   import com.itextpdf.text.PageSize;
   import com.itextpdf.text.Paragraph;
   import com.itextpdf.text.pdf.BaseFont;
   import com.itextpdf.text.pdf.PdfPCell;
   import com.itextpdf.text.pdf.PdfPTable;
   
   /**
    * 
    * @author clh
    *
    */
   public class PdfUtil {
   	public static BaseFont bfCN=null; 
   	public static Font titleFont=null;
   	public static Font titleFont2=null;
   	public static Font normalFont=null;
   	public static Font boldFont=null;
   	public static Font smallBoldFont=null;
   	public static float[] width100={100f};
   	public static float minHeight=30f;
   	static {
   		try {
   			bfCN=BaseFont.createFont("STSong-Light","UniGB-UCS2-H", false);
   			titleFont=new Font(bfCN,24f,Font.BOLD);
   			titleFont2=new Font(bfCN,18f,Font.BOLD);
   			normalFont=new Font(bfCN,12f);
   			boldFont=new Font(bfCN,12f,Font.BOLD);
   			smallBoldFont=new Font(bfCN,10f,Font.BOLD);
   		} catch (DocumentException e) {
   			// TODO Auto-generated catch block
   			e.printStackTrace();
   		} catch (IOException e) {
   			// TODO Auto-generated catch block
   			e.printStackTrace();
   		}		
   	}	
   
   	
   	/**
   	 * 獲取標題
   	 * @param value  標題內容
   	 * @param font  字體樣式
   	 * @return
   	 */
   	public static PdfPTable getPdfTitle(String value,Font font){
   		float[] width={100f};
   		PdfPTable table=new PdfPTable(width);
   		Paragraph content=new Paragraph(value,font);
   		PdfPCell cellN = new PdfPCell(content);
   		cellN.setPadding(10f);
   		cellN.setBorder(0);
   		cellN.setHorizontalAlignment(PdfPCell.ALIGN_CENTER);
   		cellN.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
   		cellN.setMinimumHeight(30f);
   		table.addCell(cellN);
   		return table;
   	}
   	
   	
   	/**
   	 * 
   	  * 獲取單行表格
   	 * @param widthArr 單行表格內的單元格寬度
   	 * @param values 單行表格內的單元格內容
   	 * @param font 字體樣式
   	 * @param height 單元格最小高度
   	 * @return
   	 */
   	public static PdfPTable getExplain(float[] widthArr,String[] values,Font font,float height){
   		PdfPTable table=new PdfPTable(widthArr);
   		for(int i=0;i<widthArr.length;i++){
   			table.addCell(getPdfCellNoBorder(values[i], font,height));
   		}
   		return table;
   	}
   	/**
   	 * 普通單元格
   	 * @param value  單元格內容
   	 * @param font 字體
   	 * @param height 單元格最小高度
   	 * @return
   	 */
   	public static PdfPCell getNormalPdfCell(String value,Font font,float height){
   		Paragraph p=new Paragraph(value,font);
   		p.setAlignment(Paragraph.ALIGN_CENTER);
   		PdfPCell cellN = new PdfPCell(p);
   		cellN.setHorizontalAlignment(PdfPCell.ALIGN_CENTER);
   		cellN.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
   		cellN.setMinimumHeight(height);
   		return cellN;
   	}
   	
   	/**
   	 * 普通單元格
   	 * @param value  單元格內容
   	 * @param font 字體
   	 * @param height 單元格最小高度
   	 * @return
   	 */
   	public static PdfPCell getPdfCellNoBorder(String value,Font font,float height){
   		Paragraph p=new Paragraph(value,font);
   		p.setAlignment(Paragraph.ALIGN_CENTER);
   		PdfPCell cellN = new PdfPCell(p);
   		cellN.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
   		cellN.setMinimumHeight(height);
   		cellN.setBorder(0);
   		return cellN;
   	}
   	
   	/**
   	 * 沒有上下邊框的單元格
   	 * @param value
   	 * @param font
   	 * @return
   	 */
   	public static PdfPCell getPdfCellNoTB(String value,Font font){
   		Paragraph p=new Paragraph(value,font);
   		p.setAlignment(Paragraph.ALIGN_CENTER);
   		PdfPCell cellN = new PdfPCell(p);
   		cellN.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
   		cellN.setMinimumHeight(30f);
   		cellN.setBorderWidthBottom(0);
   		cellN.setBorderWidthTop(0);
   		return cellN;
   	}
   	/**
   	 * 沒有上邊框的單元格
   	 * @param value
   	 * @param font
   	 * @return
   	 */
   	public static PdfPCell getPdfCellNoT(String value,Font font){
   		Paragraph p=new Paragraph(value,font);
   		p.setAlignment(Paragraph.ALIGN_CENTER);
   		PdfPCell cellN = new PdfPCell(p);
   		cellN.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
   		cellN.setMinimumHeight(30f);
   		cellN.setBorderWidthTop(0);
   		return cellN;
   	}
   	/**
   	 * 沒有上邊框的單元格
   	 * @param value
   	 * @param font
   	 * @return
   	 */
   	public static PdfPCell getPdfCellNoB(String value,Font font){
   		Paragraph p=new Paragraph(value,font);
   		p.setAlignment(Paragraph.ALIGN_CENTER);
   		PdfPCell cellN = new PdfPCell(p);
   		cellN.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
   		cellN.setMinimumHeight(30f);
   		cellN.setBorderWidthBottom(0);
   		return cellN;
   	}
   
   	/**
   	 * 單元格內增加表格
   	 * @param width
   	 * @param content
   	 * @param height
   	 * @param border
   	 * @return
   	 * @throws Exception
   	 */
   	public static PdfPTable getCellTable(float[] width,String[] content,float height,int border)throws Exception{
   		PdfPTable table=new PdfPTable(width);
   		for(int i=0;i<width.length;i++){
   			Paragraph p=new Paragraph(content[i],normalFont);
   			PdfPCell c=new PdfPCell(p);
   			c.setMinimumHeight(height);
   			c.setBorder(border);
   			table.addCell(c);
   		}
   		return table;
   	}
   	
   	/**
   	 * 生成跨行跨列的表格
   	 * @param f
   	 * @param values
   	 * @param rows
   	 * @param cols
   	 * @return
   	 */
   	public static PdfPTable getRowColTable(float[] f,String[][] values,int[][] rows,int[][] cols,float height){
   		PdfPTable table=new PdfPTable(f);
   		for(int i=0;i<values.length;i++){
   			String[] v=values[i];
   			int[] r=rows[i];
   			int[] c=cols[i];
   			for(int j=0;j<v.length;j++){
   				PdfPCell cell = getNormalPdfCell(v[j],normalFont,height);
   				if(r[j]>1){
   					cell.setRowspan(r[j]);
   				}
   				if(c[j]>1){
   					cell.setColspan(c[j]);
   				}
   				table.addCell(cell);
   			}
   		}
   		return table;
   	}
   	
   	public static void  getPdf(String path) throws FileNotFoundException, DocumentException{
   		Document document=new Document(PageSize.A4.rotate(),-60,-60,0,0);
   		document.open();
   		document.add(getPdfTitle("xxxxxxxxxx申請表",titleFont2));
   		String[] e1={"登記日期:2019年06月20日","","登記編號:20190905000000000"};
   		float[] e={245f,480f,180f};
   		document.add(getExplain(e,e1,smallBoldFont,20f));
   		
   		//這邊將表格一共分了12格，並給定每個單元格的比例大小，然後根據跨行和跨列來分配單元格大小
   		float[] f1={20f,35f,90f,70f,70f,70f,85f,70f,70f,70f,85f,70f};
   		
   		//單元格的值
   		String[] v1={"個人信息","姓名","陳xx","性別","男","出生日期","2019-06-20","身份證號","333333333333333333"};
   		String[] v2={"年齡","20","政治面貌","黨員","文化程度","本科","民族","漢","健康狀況","良好"};
   		String[] v3={"手機號碼","15555555555","固定電話","15555555555",};
   		String[] v4={"戶籍住址","xx省xx市xx街道"};
   		
   		//單元格跨行
   		int[] r1={4,1,1,1,1,1,1,1,1};
   		int[] r2={1,1,1,1,1,1,1,1,1,1};
   		int[] r3={1,1,1,1};
   		int[] r4={1,1};
   		//單元格跨列
   		int[] c1={2,1,1,1,1,1,1,1,3};
   		int[] c2={1,1,1,1,1,1,1,1,1,1};
   		int[] c3={1,3,1,5};
   		int[] c4={1,9};
   		String[][] values4={v1,v2,v3,v4};
   		int[][] rows4={r1,r2,r3,r4};
   		int[][] cols4={c1,c2,c3,c4};
   		//四行一起添加
   		document.add(getRowColTable(f1,values4,rows4,cols4,20f));
   		
   		String[] v5={"其\n他\n信\n息","信息1","1111","1","2222","2","3333","3","4444","4","55","5"};
   		String[] v6={"信息22","1111","1","2222","2"};
   		String[] v7={"3333","33","44444","4"};
   		String[] v8={"5555","5","6666","8","7777","8","8888","8"};
   		int[] r5={4,1,1,1,1,1,1,1,1,1,1,1};
   		int[] c5={1,1,1,1,1,1,1,1,1,1,1,1};
   		int[] r6={3,1,1,1,1};
   		int[] c6={1,1,3,3,3};
   		int[] r7={1,1,1,1};
   		int[] c7={1,3,3,3};
   		int[] r8={1,1,1,1,1,1,1,1};
   		int[] c8={1,1,1,1,1,2,1,2};
   		String[][] values8={v5,v6,v7,v8};
   		int[][] rows8={r5,r6,r7,r8};
   		int[][] cols8={c5,c6,c7,c8};
   		document.add(getRowColTable(f1,values8,rows8,cols8,20f));
   		
   		String[] v9={"其\n他\n信\n息\n2","信\n息\n21","21"};
   		int[] r9={5,3,1};
   		int[] c9={1,1,10};
   		String[] v10={"11111111111","222222222222"};
   		int[] r10={1,1};
   		int[] c10={4,6};
   		String[] v11={"","","","","","","","","",""};
   		int[] r11={1,1,1,1,1,1,1,1,1,1};
   		int[] c11={1,1,1,1,1,1,1,1,1,1};
   		String[] v12={"信息\n44","3333"};
   		int[] r12={2,1};
   		int[] c12={1,10};
   		String[] v13={"22222222","33333333333333"};
   		int[] r13={1,1};
   		int[] c13={4,6};
   		String[][] values13={v9,v10,v11,v12,v13};
   		int[][] rows13={r9,r10,r11,r12,r13};
   		int[][] cols13={c9,c10,c11,c12,c13};
   		document.add(getRowColTable(f1,values13,rows13,cols13,20f));
   		
   		String[] v14={"xx\nxx","xxxxxxx"};
   		int[] r14={2,1};
   		int[] c14={2,10};
   		String[] v15={"xxxxxxx：","","xxxxxxx","xxxxxxx","xxxxxxx",""};
   		int[] r15={1,1,1,1,1,1};
   		int[] c15={2,2,2,1,1,2};
   		String[] v16={"xx\nxx","xxxxxxx"};
   		int[] r16={2,1};
   		int[] c16={2,10};
   		String[] v17={"xxxxxxx：","","xxxxxxx","xxxxxxx"};
   		int[] r17={1,1,1,1};
   		int[] c17={2,2,2,4};
   		String[][] values17={v14,v15,v16,v17};
   		int[][] rows17={r14,r15,r16,r17};
   		int[][] cols17={c14,c15,c16,c17};
   		document.add(getRowColTable(f1,values17,rows17,cols17,20f));
   		
   
   		String[] e2={"聯繫單位：xxxxxxxxxxx","","聯繫電話：xxxxxxxxxxxxx"};
   		float[] e3={300f,350f,255f};
   		document.add(getExplain(e3,e2,smallBoldFont,20f));
   		document.close();				
   	}
   	
   	
   
   	
   	
   	public static void main(String[] args) throws FileNotFoundException, DocumentException {
   		String path="D:\\test.pdf";
   		getPdf(path);
   	}
   }
   

    

5. 生成pdf樣式

 

親測有效，可以直接使用