使用步骤如下：

pospCheck.ftl模板文件如下：

<#list resultList as dto>

${${dto.oWebSeqNum?default("")},${dto.transDate?default("")},${dto.diffType?default("")},${dto.frontStatus?default("")}

</#list>

 

2.public void buildTestFile(String date) {

List<CheckFeeDto> fileData = CheckDao.getPctData(date);

Map map = new HashMap();

map.put("resultList", fileData);

String charset = "GBK";

// 模板文件为FTL

Writer writer = null;

try {

String saveLocalPath = FilePath + date.substring(0, 6) + "/"

+ date.substring(6, 8) + "/";

File checkFileDir = new File(saveLocalPath);

if (!checkFileDir.exists())

{

checkFileDir.mkdirs();

}

String basePath = this.getClass().getResource("/ftl_templates").getPath();

File file=new File(basePath+ "/withdrawFee.ftl");

Configuration conf = Configuration.getDefaultConfiguration();

conf.setDirectoryForTemplateLoading(new File(basePath));

conf.setEncoding(Locale.CHINA, "utf-8");

conf.setOutputEncoding(charset);

Template template = conf.getTemplate(file.getName());

writer = new CharArrayWriter();

template.process(map, writer);

writer.flush();

String filename =saveLocalPath+"FF_" + date + ".txt";

File outfile = new File(filename);

OutputStream os = new FileOutputStream(outfile);

FileUtil.save(os, writer.toString().getBytes(charset));

os.flush();

os.close();

writer.close();

} catch (Exception e) {

return null;

} finally {

if (null != writer) {

try {

writer.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

}

 

3.FileUtil 类中的save 方法

/**

* 保存字节到输出流中.

* @param os 输出流

* @param bytes 字节流

* @throws IOException

* 调用完后由调用者应该关闭os输出流.

*/

public static void save(final OutputStream os, final byte[] bytes)

throws IOException {

BufferedOutputStream bos = new BufferedOutputStream(os);

bos.write(bytes);

bos.flush();

}