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iText创建WORD或PDF文件

楼主

发表于 2017-8-3 10:36:18 | 查看: 2176| 回复: 1

MAVEN依赖：
<dependency>
      <groupId>com.lowagie</groupId>
      <artifactId>itext</artifactId>
      <version>2.1.7</version>
</dependency>
<dependency>
      <groupId>com.lowagie</groupId>
      <artifactId>itext-rtf</artifactId>
      <version>2.1.7</version>
</dependency>

<span style="background-color: rgb(255, 255, 255);">代码示例：</span>

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import java.awt.Color;
import java.io.IOException;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.lowagie.text.Cell;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.HeaderFooter;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Rectangle;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.rtf.RtfWriter2;
import com.lowagie.text.rtf.headerfooter.RtfHeaderFooter;
import com.lowagie.text.rtf.style.RtfParagraphStyle;
/**
* IText操作类
* @author shyh
*
*/
public class ItextManager {
private Font font;
private BaseFont bfChinese;
public ItextManager() throws Exception {
// 设置中文字体
// bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);
font = new Font(bfChinese);
font.setSize(30);
font.setStyle(FontFactory.HELVETICA);
font.setColor(new Color(0,0,0));
}
public static ItextManager getInstance() throws Exception {
return new ItextManager();
}
@SuppressWarnings({ "unused", "unchecked" })
public void createRtfContext(List<String> imgList, OutputStream out,String type, List<Map<String, Object>> hostAppList, List<Map<String, Object>> result, Map<String, Object> resultMap, Map<String, Object> resultMap1, Map<String, Object> resultMap2) {
Document doc = new Document(PageSize.A4.rotate(), 80, 80, 80, 80);//word横向展示
try {
if("word".equals(type)){
RtfWriter2.getInstance(doc, out);
}else if("pdf".equals(type)){
PdfWriter.getInstance(doc, out);
}
// // 添加页脚
// HeaderFooter footer = new HeaderFooter(new Phrase("footer"), false);
// footer.setAlignment(Rectangle.ALIGN_CENTER);
// doc.setFooter(footer);
Image headerImage = Image.getInstance("D:/yemei.jpg");
// 创建有1行2列的表格
Table tables = new Table(2, 1);
// 设置table的边框宽度为0
tables.setBorderWidth(1f);
tables.setWidth(100);
// 设置表格右对齐，其中1为居中对齐，2为右对齐，3为左对齐
tables.setAlignment(1);
// 设置各列的宽度
int[] widthss = { 300, 300 };
tables.setWidths(widthss);
// 创建单元格,并且将单元格内容设置为图片
Cell cells = new Cell();
cells = new Cell(headerImage);
cells.setBorder(0);
tables.addCell(cells);
cells.setVerticalAlignment(3); // 设置垂直居中
cells.setHorizontalAlignment(3); // 设置水平居中
cells = new Cell("机器数据分析平台");
cells.setBorder(0);
tables.addCell(cells);
cells.setVerticalAlignment(2); // 设置垂直居中
cells.setHorizontalAlignment(2); // 设置水平居中
RtfHeaderFooter header1 = new RtfHeaderFooter(tables);
header1.setAlignment(tables.MARKED);
doc.setHeader(header1);
doc.open();
//第一级标题样式
RtfParagraphStyle rtfGsBt1 = RtfParagraphStyle.STYLE_HEADING_1;
rtfGsBt1.setAlignment(Element.ALIGN_LEFT);
rtfGsBt1.setStyle(Font.BOLD);
rtfGsBt1.setSize(15);
//第二级标题样式
RtfParagraphStyle rtfGsBt2 = RtfParagraphStyle.STYLE_HEADING_2;
rtfGsBt2.setAlignment(Element.ALIGN_LEFT);
rtfGsBt2.setStyle(Font.BOLD);
rtfGsBt2.setSize(13);
//设置带有目录格式的标题(标题1格式)
// Paragraph title = new Paragraph(titleStr);
// // 设置标题格式对齐方式
// title.setAlignment(elementAlign);
// title.setFont(titleFont);
Paragraph title = new Paragraph("网络访问概况");
title.setAlignment(Element.ALIGN_CENTER);
title.setFont(font);
doc.add(title);
// 设置标题格式对齐方式
// Paragraph title1 = new Paragraph("一、网络访问概况");
// title.setFont(rtfGsBt1);
// doc.add(title1);
Paragraph title2 = new Paragraph("1.1网络访问数量");
// 设置标题格式对齐方式
title2.setFont(rtfGsBt2);
doc.add(title2);
//网络访问概况：
Map<String,Object>titleMap=resultMap;
String t1 = titleMap.get("network_count").toString().substring(5,10);
String t2 = titleMap.get("network_host_count").toString().substring(7,10);
String t3 = titleMap.get("flow_fz").toString();
String t4 = titleMap.get("flow_aver").toString();
// 正文字体风格
Font contextFont = new Font(bfChinese, 10, Element.ALIGN_CENTER);
Paragraph context = new Paragraph("网络服务访问次数："+t1+"次\n提供服务主机数量："+t2+"台\n网络流量峰值："+t3+"\n网络流量平均值："+t4+"");
//设置行距
context.setLeading(3f);
// 正文格式左对齐
context.setFont(contextFont);
// 离上一段落（标题）空的行数
context.setSpacingBefore(1);
// 设置第一行空的列数
context.setFirstLineIndent(20);
doc.add(context);
// Paragraph title3 = new Paragraph("1.2 TCP/UDP服务");
// // 设置标题格式对齐方式
// title.setFont(rtfGsBt2);
// doc.add(title3);
Paragraph title3 = new Paragraph("1.2 TCP/UDP服务");
// 设置标题格式对齐方式
title3.setFont(rtfGsBt2);
doc.add(title3);
// 创建有三行的表格
Table table = new Table(2, 3);
// 设置table的边框宽度为0
table.setBorderWidth(1f);
table.setWidth(100);
// 设置表格右对齐，其中1为居中对齐，2为右对齐，3为左对齐
table.setAlignment(3);
// 设置各列的宽度
int[] widths = { 200, 200 };
table.setWidths(widths);
// table.setPadding(0);
// table.setSpacing(0);
Image img = null;
img = Image.getInstance(imgList.get(0));
float heigth = img.getHeight();
float width = img.getWidth();
int percent = getPercent3(heigth, width);
img.setAlignment(Image.LEFT);//图片居左显示
img.scalePercent(percent + 3);// 表示是原来图像的比例;
Image img4 = null;
img4 = Image.getInstance(imgList.get(4));
float heigth4 = img4.getHeight();
float width4 = img4.getWidth();
int percent4 = getPercent3(heigth4, width4);
img4.setAlignment(Image.LEFT);//图片居左显示
img4.scalePercent(percent4 + 3);// 表示是原来图像的比例;
//已登记服务数和未登记服务数
Map<String,Object>titleMap1=resultMap1;
String d1 = titleMap1.get("count_service").toString().substring(7,9);
String d2 = titleMap1.get("regist_service").toString().substring(7,8);
Map<String,Object>titleMap2=resultMap2;
String u1 = titleMap2.get("count_service").toString().substring(7,10);
String u2 = titleMap2.get("regist_service").toString().substring(7,8);
// 创建单元格,并且将单元格内容设置为图片
Cell cell = new Cell();
cell = new Cell("TCP");
cell.setBorder(0);
table.addCell(cell);
cell = new Cell("UDP");
cell.setBorder(0);
table.addCell(cell);
cell = new Cell("已登记服务数："+d2);
cell.setBorder(0);
table.addCell(cell);
cell = new Cell("已登记服务数："+u2);
cell.setBorder(0);
table.addCell(cell);
cell = new Cell("未登记服务数："+d1);
cell.setBorder(0);
table.addCell(cell);
cell = new Cell("未登记服务数："+u1);
cell.setBorder(0);
table.addCell(cell);
cell = new Cell(img);
cell.setBorder(0);// 设置单元格边框为0
table.addCell(cell);
cell.setVerticalAlignment(1); // 设置垂直居中
cell.setHorizontalAlignment(1); // 设置水平居中
cell = new Cell(img4);
cell.setBorder(0);
cell.setVerticalAlignment(1);
cell.setHorizontalAlignment(1);
table.addCell(cell);
doc.add(table);
doc.newPage();
Paragraph title4 = new Paragraph("二、应用服务TOP10：");
title.setFont(rtfGsBt1);
doc.add(title4);
Image img1 = null;
img1 = Image.getInstance(imgList.get(1));
float heigth1 = img1.getHeight();
float width1 = img1.getWidth();
int percent1 = getPercent3(heigth1, width1);
img1.setAlignment(Image.ALIGN_CENTER);//图片居右显示
img1.scalePercent(percent1 + 3);// 表示是原来图像的比例;
doc.add(img1);
Paragraph title7 = new Paragraph("2.1热点应用Top10");
// 设置标题格式对齐方式
title7.setFont(rtfGsBt2);
doc.add(title7);
// 创建有9行的表格
Table table2 = new Table(9,10);
// 设置table的边框宽度为0
table2.setBorderWidth(1f);
table2.setWidth(100);
// 设置表格右对齐，其中1为居中对齐，2为右对齐，3为左对齐
table2.setAlignment(3);
// 设置各列的宽度
int[] widths2 = { 5,15,10,10,10,10,10,10,10};
table2.setWidths(widths2);
Cell cell2 = new Cell();
cell2 = new Cell("序号");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("资产名称");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("IP");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("TCP:端口");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("会话数");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("字节数");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("数据字节数");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("包数");
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell("来访IP数");
table2.addCell(cell2);
cell2.setVerticalAlignment(1); // 设置垂直居中
cell2.setHorizontalAlignment(1); // 设置水平居中
for(int i=0; i<hostAppList.size(); i++){
Map<String, Object> map = hostAppList.get(i);
cell2 = new Cell(""+(i+1));
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("assetname")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("ip")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("service")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((""+map.get("sessions")+""));
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("bytes")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("dbytes")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("packets")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
cell2 = new Cell((map.get("visitor_ip")).toString());
table2.addCell(cell2);
cell2.setVerticalAlignment(1);
cell2.setHorizontalAlignment(1);
}
doc.add(table2);
doc.newPage();
Paragraph title5 = new Paragraph("2.2选择活跃终端TOP10展现指标");
title5.setFont(rtfGsBt2);
doc.add(title5);
Image img2 = null;
img2 = Image.getInstance(imgList.get(2));
float heigth2 = img2.getHeight();
float width2 = img2.getWidth();
int percent2 = getPercent(heigth2, width2);
img2.setAlignment(Image.MIDDLE);//图片居中显示
img2.scalePercent(percent2 + 3);// 表示是原来图像的比例;
doc.add(img2);
doc.newPage();
Paragraph title6 = new Paragraph("2.3活跃终端top10");
// 设置标题格式对齐方式
title6.setFont(rtfGsBt2);
doc.add(title6);
Image img3 = null;
// 图片
img3 = Image.getInstance(imgList.get(3));
float heigth3 = img3.getHeight();
float width3 = img3.getWidth();
int percent3 = getPercent(heigth3, width3);
img3.setAlignment(Image.MIDDLE);//图片居中显示
img3.scalePercent(percent3 + 3);// 表示是原来图像的比例;
doc.add(img3);
doc.newPage();
Paragraph title8 = new Paragraph("2.4活跃终端top10");
// 设置标题格式对齐方式
title8.setFont(rtfGsBt2);
doc.add(title8);
// 创建有三行的表格
Table table3 = new Table(8,10);
// 设置table的边框宽度为0
table3.setBorderWidth(1f);
table3.setWidth(100);
// 设置表格右对齐，其中1为居中对齐，2为右对齐，3为左对齐
table3.setAlignment(3);
// 设置各列的宽度
int[] widths3 = { 5,15,10,15,10,10,10,10};
table3.setWidths(widths3);
Cell cell3 = new Cell();
cell3 = new Cell("序号");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("资产名称");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("IP");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("所属地域");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("会话数");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("字节数");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("数据字节数");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell("包数");
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
for(int i=0; i<result.size(); i++){
Map<String, Object> res = result.get(i);
cell3 = new Cell(""+(i+1));
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((res.get("assetname")).toString());
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((res.get("ip")).toString());
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((""+res.get("coun_reg_city"+"")));
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((res.get("sessions").toString()));
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((res.get("bytes")).toString());
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((res.get("dbytes")).toString());
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
cell3 = new Cell((res.get("packets")).toString());
table3.addCell(cell3);
cell3.setVerticalAlignment(1);
cell3.setHorizontalAlignment(1);
}
doc.add(table3);
doc.close();
} catch (DocumentException e) {
e.printStackTrace();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 第一种解决方案在不改变图片形状的同时，判断，如果h>w，则按h压缩，否则在w>h或w=h的情况下，按宽度压缩
*
* @param h
* @param w
* @return
*/
public static int getPercent(float h, float w) {
int p = 0;
float p2 = 0.0f;
p2 = 297 / h * 100;
p = Math.round(p2);
return p;
}
/**
* 第二种解决方案，统一按照宽度压缩这样来的效果是，所有图片的宽度是相等的.
*
* @param args
*/
public static int getPercent2(float h, float w) {
int p = 0;
float p2 = 0.0f;
p2 = 530 / w * 80;
p = Math.round(p2);
return p;
}
/**
* 第三种解决方案，将图片统一按照固定的大小来压缩，只适用于个别图片
*
* @param args
*/
public static int getPercent3(float h, float w) {
int p = 0;
float p2 = 0.0f;
p2 = 530 / w * 35;
p2 = 530 / h * 35;
p = Math.round(p2);
return p;
}
}

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lzg

沙发

发表于 2017-8-8 14:45:54

设置图片大小：
// image.setRotation(-20);//旋转弧度
//image.setRotationDegrees(45);// 旋转角度
// image.scaleAbsolute(200,100);//自定义大小
// image.scalePercent(20);//依照比例缩放

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