后台：
response.setContentType("text/html;charset=UTF-8");response.setCharacterEncoding("utf-8");
IOUtils.write(String.format("{\"%s\":\"%s\"}","fileId",model.getId()),response.getOutputStream());
IOUtils.closeQuietly(response.getOutputStream());
?
前台：
onComplete: function (filename, response) {
? ? ?var fileId = response.fileId;? ? ? ? ? ??
}});
? ? ?var fileId = response.fileId;? ? ? ? ? ??
}});
