Freemarker+Flying sauser +Itext 利用ftl模板生成PDF打印预览

来源：互联网发布：什么软件可以拍剪影编辑：程序博客网时间：2024/05/21 16:22

function printPDF(){    window.open(adminPath+"/officer/cxsxwh/printPDF?&personnelUuid="+personnelUuid+param);      ////window.location.href=adminPath+"/officer/cxsxwh/printPDF?&personnelUuid="+personnelUuid+param;}

maven

        <dependency>            <groupId>com.itextpdf.tool</groupId>            <artifactId>xmlworker</artifactId>            <version>5.5.1</version>        </dependency>                <!-- 支持中文 -->        <dependency>            <groupId>com.itextpdf</groupId>            <artifactId>itext-asian</artifactId>            <version>5.2.0</version>        </dependency>        <!-- 支持css样式渲染 -->        <dependency>            <groupId>org.xhtmlrenderer</groupId>            <artifactId>flying-saucer-pdf-itext5</artifactId>            <version>9.0.3</version>        </dependency><dependency><groupId>org.freemarker</groupId><artifactId>freemarker</artifactId><version>${freemarker.version}</version></dependency>

Java

User类

package com.lenote.modules.officer.cxsxwh.entity;public class User {    private String name;      private int age;      private int sex;    private String picUrl;          /**      * Constructor with all fields      *       * @param name      * @param age      * @param sex      */      public User(String name, int age, int sex,String picUrl) {          super();          this.name = name;          this.age = age;          this.sex = sex;          this.picUrl= picUrl;    }            ///////////////////////   getter and setter   ///////////////////////////////////////////            public String getName() {          return name;      }      public void setName(String name) {          this.name = name;      }      public int getAge() {          return age;      }      public void setAge(int age) {          this.age = age;      }      public int getSex() {          return sex;      }      public void setSex(int sex) {          this.sex = sex;      }public String getPicUrl() {return picUrl;}public void setPicUrl(String picUrl) {this.picUrl = picUrl;}    }

@RequestMapping(value = "/printPDF")public void printPDF(HttpServletRequest request, HttpServletResponse response) throws Exception  {      OutputStream os = null;      String htmlStr;      Map<String, Object> params = new HashMap<String, Object>();      Map data = new HashMap();      try {             Map<String,Object> variables = new HashMap<String,Object>();                        List<User> userList = new ArrayList<User>();                       User tom = new User("张三",19,1,"xxxx.jpg");             User amy = new User("李四",28,0,"xxxx.jpg");             User leo = new User("王五",23,1,"xxxx.jpg");                      userList.add(tom);            userList.add(amy);            userList.add(leo);                      variables.put("title", "用户");            variables.put("userList", userList);         //通过freemaker模板生成html           htmlStr = HtmlGenerator.generate("simple.ftl", variables,request);          String appPath = request.getSession().getServletContext().getRealPath(File.separator);          ITextRenderer renderer = new ITextRenderer();          String failPath = "file:" + File.separator + appPath;        renderer.setDocumentFromString(htmlStr);

                //设置图片的相对路径        renderer.getSharedContext().setBaseURL("file:/C:/Users/hasee/Desktop/pic/");           // 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);                    //生成pdf文件          ///response.setHeader("Content-disposition", "attachment;filename=" + URLEncoder.encode("测试", "UTF-8") + new Date().getTime() + ".pdf");               response.setContentType("application/pdf");          os = response.getOutputStream();          renderer.layout();          renderer.createPDF(os, true);                    os.flush();      } catch (Exception e) {          e.printStackTrace();      }finally {          if (null != os) {              try {                  os.close();              } catch (IOException e) {                  throw new Exception(e);              }          }      }        }

HtmlGenerator类

import java.io.BufferedWriter;  import java.io.File;import java.io.StringWriter;  import java.util.Map;   import javax.servlet.http.HttpServletRequest;import com.lenote.modules.pdfsimple.freemarker.FreemarkerConfiguration;import freemarker.template.Configuration;  import freemarker.template.Template;  public class HtmlGenerator {    /**      * Generate html string.      *       * @param template   the name of freemarker teamlate.      * @param variables  the data of teamlate.      * @return htmlStr      * @throws Exception      */      public static String generate(String template, Map<String,Object> variables,HttpServletRequest request) throws Exception{     String basePath = request.getSession().getServletContext().getRealPath("/");          Configuration config = FreemarkerConfiguration.getConfiguation();

        //获取ftl文件所在目录        config.setDirectoryForTemplateLoading(new File(basePath + "/WEB-INF/ftl"));          config.setDefaultEncoding("UTF-8");          Template tp = config.getTemplate(template);          StringWriter stringWriter = new StringWriter();            BufferedWriter writer = new BufferedWriter(stringWriter);            tp.setEncoding("UTF-8");            tp.process(variables, writer);            String htmlStr = stringWriter.toString();          writer.flush();            writer.close();          return htmlStr;      }  }

simple.ftl

<html>  <head>    <title>${title}</title>    <style>       table {               width:100%;border:green dotted ;border-width:2 0 0 2       }       td {               border:green dotted;border-width:0 2 2 0       }       @page {                  size: 8.5in 11in;                 @bottom-center {                      content: "page " counter(page) " of  " counter(pages);                }       }       body {         font-family: SimSun;               font-size:14px;              font-style:italic;          font-weight:500;      }        .heiti      {        font-family: simsun-bold;         }   </style>  </head>  <body>     <div>        <div align="center">            <h1>${title}</h1>        </div>        <table>           <tr>              <td><b>Name</b></td>              <td><b>Age</b></td>              <td><b>Sex</b></td>             <td><b>图片</b></td>           </tr>           <#list userList as user>            <#if user.sex = 1>               <tr>                  <td>${user.name}</td>                                 <td>${user.age}</td>                  <td>                     <#if user.sex = 1>                           male                     <#else>                           female                     </#if>                  </td>                 <td><img src="${user.picUrl}" width="24" height="24" /></td>              </tr>             </#if>         </#list>        </table>    </div>  </body>  </html>

body {
font-family: SimSun;
font-size:14px;
font-style:italic;
font-weight:500;
}

.heiti
{
font-family: simsun-bold;
}

这段设置中文字体，如果不加输出中文的地方会变为空

参考：http://mazhiyuan.iteye.com/blog/849032

http://blog.51cto.com/12218186/1865716

https://www.cnblogs.com/youzhibing/p/7692366.html

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