html转pdf

    xiaoxiao2021-11-10  67

    Itext 实现 html转换成pdf

    博客分类:  html转换成pdf html pdf itext 

    需要的jar包: core-renderer.jar 和 iText-2.0.8.jar

     

    Html代码

     <!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>      <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />      <title>test</title>      <style type="text/css">          body {              font-family: SimSun;                 font-size:22px;              font-style:italic;              font-weight:bold;              color:#00F;      }      </style></head>            <body>      显示中文dsklahsdal;das哈哈哈哈<br />  上多哈考虑的哈      </body>      </html> 

     

    Java代码

    package com.test; 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; /** * TODO class description * * * @author pcwang * * @version 1.0, 上午11:03:26 create $Id$ */ public class ITextRendererTest { public static void main(String[] args) throws Exception { String inputFile = "WebRoot/a.html"; String url = new File(inputFile).toURI().toURL().toString(); String outputFile = "WebRoot/a.pdf"; System.out.println(url); OutputStream os = new FileOutputStream(outputFile); ITextRenderer renderer = new ITextRenderer(); renderer.setDocument(url); // 解决中文支持问题 ITextFontResolver fontResolver = renderer.getFontResolver(); fontResolver.addFont("C:/Windows/Fonts/SIMSUN.TTC", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); // 解决图片的相对路径问题 // renderer.getSharedContext().setBaseURL("file:/D:/z/temp/"); renderer.layout(); renderer.createPDF(os); os.close(); } }

     

    注意事项:

    <!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 ">   (1)头文件必须这个,否则会报以下错误:              错误:“The declaration for the entity "HTML.Version" must end with '>'.”   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> (2)charset 必须是UTF-8,否则会报以下错误:              错误:“Invalid byte 1 of 1-byte UTF-8 sequence.” (3)需要定一个样式:body {font-family: SimSun}; (4)html页面必须严格遵循, 该打引号就要打引号              错误:cellpadding=0 ,border=1" (5)不要引用无效的链接   <link rel="stylesheet" type="text/css" href="XX/ll.css"/ >  <link rel="stylesheet" type="text/css" href="XX/main.css"/ > 

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