Java 编辑html模板并生成pdf
1.工具类
import com.hujiang.project.zhgd.Util;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.Font;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.tool.xml.XMLWorkerFontProvider;
import com.itextpdf.tool.xml.XMLWorkerHelper;
import freemarker.template.Configuration;
import freemarker.template.DefaultObjectWrapper;
import freemarker.template.Template;
import org.junit.jupiter.api.Test;
import java.io.*;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
/**
* @program: Consumer01
* @description:
* @author: Mr.LiuYong
* @create: 2019-06-05 14:40
**/
public class PDFUtil {
private String tempFilePath;
private String tempFileName;
public PDFUtil() {}
public PDFUtil(String tempFilePath, String tempFileName) {
this.tempFilePath=tempFilePath;
this.tempFileName=tempFileName;
}
public String getTempFilePath() {
return tempFilePath;
}
public void setTempFilePath(String tempFilePath) {
this.tempFilePath = tempFilePath;
}
public String getTempFileName() {
return tempFileName;
}
public void setTempFileName(String tempFileName) {
this.tempFileName = tempFileName;
}
public static void main(String[] args) {
String name = "jc.html";
PDFUtil pdfUtil = new PDFUtil("E:\\workspace\\ZHGD\\user-consumer-01\\target\\classes\\static\\upload",name);
Map paraMap = new HashMap();
paraMap.put("constructionName","123");
paraMap.put("empName","123");
paraMap.put("idCode","123");
paraMap.put("teamName","123");
paraMap.put("projectName","123");
try {
String uploadfile = pdfUtil.fillTemplate(paraMap);
System.out.println(uploadfile);
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 填充模板
* @param paramMap
* @throws Exception
*/
public String fillTemplate(Map paramMap) throws Exception {
File modelFile = new File(tempFilePath);
if(!modelFile.exists()) {
modelFile.mkdirs();
}
Configuration configuration = new Configuration(Configuration.VERSION_2_3_23);
configuration.setDirectoryForTemplateLoading(modelFile);
configuration.setObjectWrapper(new DefaultObjectWrapper(Configuration.VERSION_2_3_23));
configuration.setDefaultEncoding("UTF-8"); //这个一定要设置，不然在生成的页面中 会乱码
//获取或创建一个模版。
Template template = configuration.getTemplate(tempFileName);
StringWriter stringWriter = new StringWriter();
BufferedWriter writer = new BufferedWriter(stringWriter);
template.process(paramMap, writer); //把值写进模板
String htmlStr = stringWriter.toString();
writer.flush();
writer.close();
String tmpPath = tempFilePath + "/temp";
File tmepFilePath = new File(tmpPath);
if (!tmepFilePath.exists()) {
tmepFilePath.mkdirs();
}
String tmpFileName =System.currentTimeMillis()+".pdf";
String outputFile = tmpPath + File.separatorChar + tmpFileName;
FileOutputStream outFile = new FileOutputStream(outputFile);
createPDFFile(htmlStr, outFile);
return outputFile;
}
/**
* 根据HTML字符串创建PDF文件
* @param htmlStr
* @param os
* @throws Exception
*/
private void createPDFFile(String htmlStr, OutputStream os) throws Exception{
ByteArrayInputStream bais = new ByteArrayInputStream(htmlStr.getBytes("UTF-8"));
// step 1
Document document = new Document();
try {
// step 2
PdfWriter writer = PdfWriter.getInstance(document, os);
// step 3
document.open();
FontProvider provider = new FontProvider();
XMLWorkerHelper.getInstance().parseXHtml(writer, document, bais, Charset.forName("UTF-8"),provider);
} catch (Exception e) {
e.printStackTrace();
throw e;
}finally {
try {
document.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
bais.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
*
* 字体
*
*/
private class FontProvider extends XMLWorkerFontProvider {
public Font getFont(final String fontname, final String encoding,
final boolean embedded, final float size, final int style,
final BaseColor color) {
BaseFont bf = null;
try {
bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
} catch (Exception e) {
e.printStackTrace();
}
Font font = new Font(bf, size, style, color);
font.setColor(color);
return font;
}
}
/**无锡人流多少钱 http://www.bhnfkyy.com/
* 生成html模板
* @param content
* @return
*/
public String createdHtmlTemplate(String content){
String fileName = tempFilePath + "/" + tempFileName;
try{
File file = new File(tempFilePath);
if(!file.isDirectory()) {
file.mkdir();
}
file = new File(fileName);
if(!file.isFile()) {
file.createNewFile();
}
//打开文件
PrintStream printStream = new PrintStream(new FileOutputStream(fileName));
//将HTML文件内容写入文件中
printStream.println(content);
printStream.flush();
printStream.close();
System.out.println("生成html模板成功!");
}catch(Exception e){
e.printStackTrace();
}
return fileName;
}
}
2.html
工人进场承诺书
本人__${empName}__(身份证号：__${idCode}__)
是__${constructionName}__承建的__${projectName}
__项目____${teamName}__班组的工人。本人郑重承诺并保证做到以下几点：
一、知悉公司的各项规章制度、项目告示牌和权益维护牌上公示的各
项内容，自愿配合公司落实“项目实名制”各项作。
二、不隐瞒且如实提供个人的身份信息。
三、公司用于发放工资的银行卡由本人使用和保管，本人定期与班组
长核实确定工资款，不虚报出勤，不冒领工资，否则本人自愿
承担相应法律责任。
四、当自己合法权益受到侵害时(如劳资纠纷、工伤事故纠纷等)，
向公司(项目部)申诉或向总包单位请求协调解决，在处理无效的情况
下，依法向有关部门举报投诉。自觉遵守法律法规，决不采取闹访、围
攻围堵公共设施等非法过激行为，决不恶意或过激讨薪，通过合法途径
理性反映诉求。如有无理或非法行为愿意承担一切法律责任。
承诺人(签字并加按指印)：
____年____月____日
