function sendFile() {    var action = "c/goFile.do";    $("#form").ajaxSubmit( {        url : action,        success : function(data) {            var htm = "<per>"+data            "</per>"            $("#content").text(data);            console.log(data);        }    });    return false;}

<form id="form" enctype="multipart/form-data"            method="post" onsubmit="return saveReport()">            <input id="file" name="file" type="file" onchange="fileChange()"/>        </form>

@RequestMapping("/goFile")    @ResponseBody    public String goFile(@RequestParam MultipartFile file, Model model) throws Exception{        String str = InputStreamTOString(file.getInputStream(), "utf-8");        return str ;    }     public String InputStreamTOString(InputStream in,String encoding) throws Exception{         int BUFFER_SIZE = 1024;         ByteArrayOutputStream outStream = new ByteArrayOutputStream();         byte[] data = http://www.mamicode.com/new byte[BUFFER_SIZE];         int count = -1;         while((count = in.read(data,0,BUFFER_SIZE)) != -1)             outStream.write(data, 0, count);         data = null;         return new String(outStream.toByteArray(),encoding);     }