@RequestMapping(value = "dowlondTemplateFile")
public ResponseEntity<byte[]> getFile(HttpServletResponse response) throws IOException {
String fileName = "合同歷史模板.xlsx";
ClassPathResource resource = new ClassPathResource("static" + File.separator + "templateFile" + File.separator + fileName);
try {
File file = resource.getFile();
//下載文件路徑
if (file.exists()) {
if (SecurityUtil.getOnlineUser() != null) {
LogUtil.info(SecurityUtil.getOnlineUser().getId(), SecurityUtil.getOnlineUser().getName(),
"下載文件", "成功",
"下載文件,id", "");
}
HttpHeaders headers = new HttpHeaders();
//下載顯示的文件名,解決中文名稱亂碼問題
String downloadFileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
//通知瀏覽器以attachment(下載方式)打開圖片
headers.setContentDispositionFormData("attachment", downloadFileName);
//application/octet-stream : 二進制流數據(最常見的文件下載)。
headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
return new ResponseEntity<>(FileUtils.readFileToByteArray(file),
headers, HttpStatus.CREATED);
} else {
throw new FileNotExistException();
}
} catch (IOException e) {
return null;
}
}
解決 pom中加入如下 這個插件可以避免xlsx文件在resource目錄下被自動壓縮,這樣就可以正常下載,打開了
<plugin> <groupId>org.apache.maven.plugins</groupId> <version>2.6</version> <artifactId>maven-resources-plugin</artifactId> <configuration> <encoding>UTF-8</encoding> <nonFilteredFileExtensions> <nonFilteredFileExtension>xlsx</nonFilteredFileExtension> </nonFilteredFileExtensions> </configuration> </plugin>