// 像servlet一样使用HttpServletRequest和HttpServletResponse
@RequestMapping("/sev")
public String sev(HttpServletRequest request, HttpServletResponse response) {
String id = request.getParameter("id");
response.setContentType("text/html;charset=utf-8");
try {
PrintWriter out = response.getWriter();
out.write(id);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public void serializeHistoryCursor(
Collection<TrackHistory> historyCursor, HttpServletResponse httpServletResponse) {
try {
final ServletOutputStream httpOutputStream = httpServletResponse.getOutputStream();
final BufferedWriter outputStream =
new BufferedWriter(new OutputStreamWriter(httpOutputStream));
outputStream.write("{");
outputStream.write("\"count\":");
outputStream.write("" + historyCursor.size());
if (historyCursor.size() > 0) {
Gson gson = new Gson();
outputStream.write(",");
outputStream.write("\"tracks\":[");
for (Iterator<TrackHistory> iterator = historyCursor.iterator(); iterator.hasNext(); ) {
TrackHistory next = iterator.next();
outputStream.write(gson.toJson(toWebTrack(next)));
if (iterator.hasNext()) {
outputStream.write(",");
}
outputStream.flush();
}
/*
while (historyCursor.hasNext())
{
outputStream.write(gson.toJson(toWebTrack(historyCursor.next())));
if (historyCursor.hasNext())
{
outputStream.write(",");
}
outputStream.flush();
}
*/
outputStream.write("]");
}
outputStream.write("}");
outputStream.flush();
outputStream.close();
httpOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
@RequestMapping("/upfile")
@ResponseBody
public String upfile(
@RequestParam("desc") String desc, @RequestParam("file") MultipartFile file) {
try {
if (!file.isEmpty()) {
logger.info("{}上传中", desc);
file.transferTo(new File("d:/fileupload/" + file.getOriginalFilename()));
return "上传成功";
}
} catch (IllegalStateException e) {
logger.error("非法状态错误");
e.printStackTrace();
} catch (IOException e) {
logger.error("文件I/O错误");
e.printStackTrace();
}
return "上传失败";
}
