我在angular中创建了一个工厂来调用spring rest服务来下载xls文件。如何使用Angular和Spring Rest服务下载xls文件?
这是我厂:
angular.module('app')
.factory('SportsbookServiceCustom', function ($http) {
return {
exportToXLS: function() {
return $http.get('api/sportsbooks/downloadXLS').then(function (response) {
return response.data;
});
}
};
});
我有我的休息服务验证码:
@RequestMapping(value = "/sportsbooks/downloadXLS")
public void downloadXLS(HttpServletResponse response) {
Pageable pageable = new PageRequest(0, 20, Direction.ASC, "id");
Page<Sportsbook> page = sportsbookRepositoryCustom.findAll(pageable, null, null, null);
List<Sportsbook> sportsbookList = page.getContent();
HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet sheet = workbook.createSheet("Sample sheet");
Map<String, Object[]> data = new HashMap<String, Object[]>();
data.put("1", new Object[] { "Emp No.", "Name", "Salary" });
data.put("2", new Object[] { 1d, "John", 1500000d });
data.put("3", new Object[] { 2d, "Sam", 800000d });
data.put("4", new Object[] { 3d, "Dean", 700000d });
Set<String> keyset = data.keySet();
int rownum = 0;
for (String key : keyset) {
Row row = sheet.createRow(rownum++);
Object[] objArr = data.get(key);
int cellnum = 0;
for (Object obj : objArr) {
Cell cell = row.createCell(cellnum++);
if (obj instanceof Date)
cell.setCellValue((Date) obj);
else if (obj instanceof Boolean)
cell.setCellValue((Boolean) obj);
else if (obj instanceof String)
cell.setCellValue((String) obj);
else if (obj instanceof Double)
cell.setCellValue((Double) obj);
}
}
if (workbook != null) {
// Writing file to outputstream
try {
InputStream fileInputStream = new ByteArrayInputStream(workbook.getBytes());
OutputStream output = response.getOutputStream();
response.reset();
response.setContentLength((int) (workbook.getBytes().length));
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-disposition", "attachment;filename=yourFileName.xls");
IOUtils.copyLarge(fileInputStream, output);
output.flush();
}
catch (IOException ex) {
ex.printStackTrace();
}
}
}
的代码运行没有错误,但下载的文件不能正常工作。什么是错误?
_ _ “是什么错误?” - 这是我们对你的期望的信息。没有东西被发回给客户吗? 'response.data'是空的吗?最重要的是,你想要做什么? 'exportToXLS'本身什么都不做。如果你想要一个文件在浏览器中显示或保存,那么只需创建一个用户可以点击的链接。 – zeroflagL