如何使用Apache httpclient 3.x将multipart文件和文件名一起传递给post方法？

service code:

    @RequestMapping(value="/uploadFile", method=RequestMethod.POST, consumes = "multipart/form-data")
public String uploadFile(@RequestParam("file") MultipartFile file,@RequestParam("filePath") String filePath){
//logic here
}
    @RequestMapping(value="/upl