ajax上传文件一直报404，求救！！！~~~

sj13467204146 2019-05-29 11:02:41

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>金山项目</title>

    <script type="text/javascript" charset="utf-8" src="jquery/jquery.min.js"></script>



    <script type="text/javascript">



        function uploadExcel(){

        //导入文件

       var formData =  new FormData();

            formData.append("file",$("#upload")[0].files[0]);

            $.ajax({

                url:'/excel/insertExcel',

                type:'POST',

                data:formData,

                // 告诉jQuery不要去处理发送的数据

                processData : false,

                // 告诉jQuery不要去设置Content-Type请求头

                contentType : false,

                success:function(map){

                    alert(map.message);

                },

                dataType:'json',

            })

        }

    </script>

</head>

<body>

<input id="upload" type="file" value="选择文件"/>

<button onclick="uploadExcel()">点击上传</button>

</body>

</html>

@Controller

@RequestMapping("excel")

public class InsertExcelController {

    @Autowired

    private InsertExcelService insertExcelServiceImpl;



    /**

     *  导入Excel

     */

    @RequestMapping("insertExcel")

    @ResponseBody

    public Map<String,Object> insertExcel(@RequestParam(value = "file",required = false)MultipartFile file, HttpServletRequest request, HttpServletResponse response) throws Exception {

        Map<String, Object> map = new HashMap<String, Object>();

       String result =  insertExcelServiceImpl.insertExcel(file);

       map.put("message",result);

       return map;

    }

}