freemarker 生成基于Word 模板的Word文档

系统管理员 2023-10-18 16:37 28阅读 0赞

#### freemarker 简介： ####

FreeMarker是一个用Java语言编写的模板引擎，它基于模板来生成文本输出。FreeMarker与Web容器无关，即在Web运行时，它并不知道Servlet或HTTP。它不仅可以用作表现层的实现技术，而且还可以用于生成XML，JSP或Java 等。

#### Word 转换为ftl 文件 ####

找到Word模板文件，将文件另存为\*xml 格式

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70][]

修改xml 文件，添加freemarker 的占位符

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 1][]

项目编码流程：

1、添加相关依赖

2、编写相关工具类

pom.xml 文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    	<modelVersion>4.0.0</modelVersion>
    	<groupId>com.zzg</groupId>
    	<artifactId>common-func</artifactId>
    	<version>0.0.1-SNAPSHOT</version>
    
    	<dependencies>
    		
    		<dependency>
    			<groupId>org.freemarker</groupId>
    			<artifactId>freemarker</artifactId>
    			<version>2.3.23</version>
    		</dependency>
    		
    		<dependency>
    			<groupId>commons-codec</groupId>
    			<artifactId>commons-codec</artifactId>
    			<version>1.10</version>
    		</dependency>
    	</dependencies>
    </project>

package com.zzg.freemarker.entity;
    
    import java.io.File;
    import java.io.FileNotFoundException;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.OutputStreamWriter;
    import java.io.UnsupportedEncodingException;
    import java.io.Writer;
    import java.util.Map;
    
    import freemarker.template.Configuration;
    import freemarker.template.Template;
    import freemarker.template.TemplateException;
    
    public class TemplateEntity {
    	// ftl 包路径
    	private String ftlPackagePath;
    	// ftl 文件名称
    	private String ftlFileName;
    
    	private Configuration configuration = null;
    	private Template template = null;
    	
    	// get 和 set 方法
    	public String getFtlPackagePath() {
    		return ftlPackagePath;
    	}
    
    	public void setFtlPackagePath(String ftlPackagePath) {
    		this.ftlPackagePath = ftlPackagePath;
    	}
    
    	public String getFtlFileName() {
    		return ftlFileName;
    	}
    
    	public void setFtlFileName(String ftlFileName) {
    		this.ftlFileName = ftlFileName;
    	}
    
    	public TemplateEntity(String ftlPackagePath,String ftlFileName) {
    		this.ftlPackagePath = ftlPackagePath;
    		this.ftlFileName = ftlFileName;
    		// freemarker 模板配置对象
    		configuration = new Configuration();
    		// 设置编码格式: utf-8
    		configuration.setDefaultEncoding("utf-8");
    		// 设置ftl 文件目录
    		configuration.setClassForTemplateLoading(TemplateEntity.class, this.ftlPackagePath);
    		// 设置ftl 文件
    		try {
    			template = configuration.getTemplate(this.ftlFileName);
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    	}
    	
    	public void createTemplate(Map data, String docFileName){
    		File file = new File(docFileName);
    		if(file.exists()){
    			try {
    				file.createNewFile();
    			} catch (IOException e) {
    				// TODO Auto-generated catch block
    				e.printStackTrace();
    			}
    		}
    		try {
    			Writer writer = new OutputStreamWriter(new FileOutputStream(file),"utf-8");
    			template.process(data, writer);
    			writer.close();
    		} catch (UnsupportedEncodingException | FileNotFoundException e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		} catch (TemplateException e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		} catch (IOException e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
    		
    	}
    	
    	
    
    	
    
    }

package com.zzg.util;
    
    import java.io.FileInputStream;
    import java.io.IOException;
    import java.io.InputStream;
    
    import org.apache.commons.codec.binary.Base64;
    
    
    public class Base64Util {
    	
    	/**
    	 * 
    	 * @Title: getEncodeValue   
    	 * @Description: 根据指定图片路径，获取Base64.encode的值  
    	 * @param: @param imagePath
    	 * @param: @return      
    	 * @return: String      
    	 * @throws
    	 */
    	public static String getEncodeValue(String imagePath){
    		String content = null;
    		InputStream in = null;
            byte[] data = null;
            try {
                in = new FileInputStream(imagePath);
                data = new byte[in.available()];
                in.read(data);
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
            content = Base64.encodeBase64String(data);
    		return content;
    	}
    
    }

测试：

package com.zzg.freemarker.test;
    
    import java.util.HashMap;
    import java.util.Map;
    
    import com.zzg.freemarker.entity.TemplateEntity;
    import com.zzg.util.Base64Util;
    
    public class FreemarkerTest {
    
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
    		// 图片数据
    		String imageContent = Base64Util.getEncodeValue("C:\\image\\1.png");
    		// 数据组装
    		Map<String,Object> map = new HashMap<String,Object>();
    		map.put("imageurl", imageContent);
    		map.put("name", "zhouzhiwengang");
    		map.put("time", "2019-04-03");
    		map.put("factory", "深圳富士康");
    		map.put("product", "苹果电脑");
    		map.put("price", "8999");
    		map.put("num", "十万台");
    		
    		// 构建模板引擎实体对象
    		TemplateEntity entity = new TemplateEntity("/com/zzg/ftl","template.ftl");
    		String docFileName = "C:\\image\\测试模板.doc";
    		entity.createTemplate(map, docFileName);
    		
    		
    	}
    
    }

项目结构图:

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 2][]

源码地址：待补充

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20190403172227111.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n,size_16,color_FFFFFF,t_70
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