Heim > Artikel > Web-Frontend > 根据HTML生成PDF_html/css_WEB-ITnose
FreeMarkerUtil |
package cn.danny;import java.io.IOException;import java.io.StringWriter;import java.io.Writer;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Locale;import java.util.Map;import freemarker.template.Configuration;import freemarker.template.DefaultObjectWrapper;import freemarker.template.Template;import freemarker.template.TemplateException;public class FreeMarkerUtil { public String createDefineTargetTemplate() throws Exception { Configuration conf = new Configuration(); try { conf.setClassForTemplateLoading(this.getClass(), "templates"); } catch (Exception e) { throw new Exception("加载模板异常!" + e.getMessage()); } conf.setObjectWrapper(new DefaultObjectWrapper()); conf.setLocale(Locale.CHINA); conf.setDefaultEncoding("utf-8"); conf.setClassicCompatible(true);// 处理空值为空字符串 String targetStr = null; Map root = new HashMap(); List<ClauseTemplateBean> clauses = new ArrayList<ClauseTemplateBean>(); ClauseTemplateBean bean1 = new ClauseTemplateBean(); bean1.setClauseCode("D31001"); ClauseTemplateBean bean2 = new ClauseTemplateBean(); bean2.setClauseCode("D31002"); clauses.add(bean1); clauses.add(bean2); root.put("clauses", clauses); try { targetStr = generateHtmlFromFtl(root, "test.ftl", conf); } catch (Exception e) { throw e; } return targetStr; } public static String generateHtmlFromFtl(Object root, String tplName, Configuration conf) throws IOException, TemplateException { Template temp = conf.getTemplate(tplName); Writer out = new StringWriter(); temp.process(root, out); return out.toString(); } public static void main(String args[]) throws Exception { String html = new FreeMarkerUtil().createDefineTargetTemplate(); System.out.println(html); }} |
Test |
package cn.danny;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.OutputStream;import org.xhtmlrenderer.pdf.ITextFontResolver;import org.xhtmlrenderer.pdf.ITextRenderer;import com.lowagie.text.pdf.BaseFont;public class Test { public static void main(String[] args) throws Exception { String outputFile = "D:\\workspaces\\cnbs\\pdfDemo\\firstdoc.pdf"; OutputStream os = new FileOutputStream(outputFile); String htmlStr = new FreeMarkerUtil().createDefineTargetTemplate(); createPdfFileFromHtmlContent(htmlStr, os); os.close(); System.out.println("Done"); } public static ByteArrayOutputStream createPdfFromHtml(String htmlTemplateUrl) throws Exception { ByteArrayOutputStream bos = new ByteArrayOutputStream(); ITextRenderer renderer = new ITextRenderer(); ITextFontResolver fontResolver = renderer.getFontResolver(); fontResolver.addFont("C:/Windows/Fonts/arialuni.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); File file = new File(htmlTemplateUrl); String url = file.toURI().toURL().toString(); renderer.setDocument(url); renderer.layout(); renderer.createPDF(bos); bos.close(); return bos; } public static ByteArrayOutputStream createPdfFromHtmlContent(String htmlContent) throws Exception { ByteArrayOutputStream bos = new ByteArrayOutputStream(); ITextRenderer renderer = new ITextRenderer(); ITextFontResolver fontResolver = renderer.getFontResolver(); fontResolver.addFont("C:/Windows/Fonts/arialuni.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); renderer.setDocumentFromString(htmlContent); renderer.layout(); renderer.createPDF(bos); bos.close(); return bos; } public static void createPdfFileFromHtmlContent(String htmlContent, OutputStream os) throws Exception { ITextRenderer renderer = new ITextRenderer(); ITextFontResolver fontResolver = renderer.getFontResolver(); fontResolver.addFont("C:/Windows/Fonts/simsun.ttc", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); /*File file = new File("D:\\workspaces\\cnbs\\pdfDemo\\src\\cn\\danny\\templates\\first.html"); renderer.setDocument(file);*/ renderer.setDocumentFromString(htmlContent); renderer.layout(); renderer.createPDF(os); os.close(); } } |
test.ftl |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>模板</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <style type="text/css" mce_bogus="1"> body { font-family : 'SimSun' } </style> </head> <body> <#list clauses as clause> <#if clause.clauseCode = "D31001"> <h2><span style="font-weight: bolder;">主标题</span></h2> <h2><b>This is my Demo</b></h2> <h2>This is my Demo</h2> <p> <span style="font-weight: bolder;">段标题</span> 其他内容 </p> </#if> <#if clause.clauseCode = "D31002"> <h2>段标题</h2> <p> 其他内容啦啦啦 </p> </#if> </#list> </body></html> |
依赖包 |
代码结构 |