SpringBoot整合FreeMarker生成word表格文件（使用FTL模板）
package cn.iocoder.yudao.module.tjl.util.word;
import freemarker.template.Configuration;
import freemarker.template.Template;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.util.Map;
/**
* @ClassName: ExportWord
* @Description: 导出word工具类
* @Authror: XQD
* @Date: 2023/6/16 15:59
*/
public class ExportWord {
private Configuration configuration;
private String encoding;
private String exportPath = "D:\\data";
/**
* 构造函数
* 配置模板路径
* @param encoding
*/
public ExportWord(String encoding) {
this.encoding = encoding;
configuration = new Configuration();
configuration.setDefaultEncoding(encoding);
configuration.setClassForTemplateLoading(this.getClass(), "/templates");
}
/**
* 导出word文档到客户端
* @param response
* @param fileName
* @param tplName
* @param data
* @throws Exception
*/
public void exportDoc(HttpServletResponse response, String fileName, String tplName, Map<String, Object> data, FreeMarkerConfigurer freeMarkerConfigurer) throws Exception {
response.reset();
response.setHeader("Access-Control-Allow-Origin", "*");
response.setCharacterEncoding("UTF-8");
response.setContentType("application/octet-stream");
response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(fileName , "UTF-8"));
// 把本地文件发送给客户端
Writer writer = response.getWriter();
Template template = getTemplate(tplName, freeMarkerConfigurer);
template.process(data, writer);
writer.close();
}
/**
* 导出word文档到指定目录
* @param fileName
* @param tplName
* @param data
* @throws Exception
*/
public void exportDocFile(String fileName, String tplName, Map<String, Object> data) throws Exception {
//如果目录不存在，则创建目录
File exportDirs = new File(exportPath);
if (!exportDirs.exists()) {
exportDirs.mkdirs();
}
Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(exportPath + fileName), encoding));
getTemplate(tplName).process(data, writer);
}
/**
* 获取模板 打成jar包后获取不到模板的方式 freeMarkerConfigurer
* @param name
* @return
* @throws Exception
*/
public Template getTemplate(String name, FreeMarkerConfigurer freeMarkerConfigurer) throws Exception {
freemarker.template.Configuration configuration = freeMarkerConfigurer.getConfiguration();
freemarker.template.Template template = configuration.getTemplate(name);
return template;
}
/**
* 获取模板
* @param name
* @return
* @throws Exception
*/
public Template getTemplate(String name) throws Exception {
return configuration.getTemplate(name);
}
}