ajaxfileupload文件上传插件，解决再次提交文件流置空的问题

1、在ajaxfilesupload.js文件中，修改如下代码：

2、上传代码展示：

<script type="text/javascript"src="<%=path %>/js/upload/ajaxfilesupload.js"></script>

 

Html代码：

<inputtype='file' id='file' name='file' runat='server' accept='image/png,image/gif,image/jpg,image/jpeg' capture='camera'onchange='handleFiles(this)'/>

 

Js代码：

多文件上传需获取所有file的id：

vararrId = [];

$("input[name='fileupload']").each(function(){

                   arrId.push($(this).attr("id"));

         });

 

$.ajaxFileUpload({ 

        url :path+'/person/editheadpic.do', 

        secureuri : false,//安全协议 

        fileElementId:,//id  'file'/arrId

        dataType:'text',

        type : 'POST',

        success : function(data, status) {

                 varjson = "";

                           

         var ua = navigator.userAgent.toLowerCase();

         if(ua.indexOf('ucbrowser') > -1&& ua.match('android')){

                   json =data.substring(data.lastIndexOf("&gt;")+4);

                   json = eval('(' + json +')');

         }else {

                   json =jQuery.parseJSON(jQuery(data).text());

         }

         //返回结果的相应操作

        } 

});

 

Java代码：

//单文件上传上传文件

                    MultipartHttpServletRequest multipartRequest= (MultipartHttpServletRequest) req;

                    MultipartFile file =multipartRequest.getFile("file");

 

                    if (file.getSize() > 0)

                    {

                        // 文件名称

                        String fileName =file.getOriginalFilename();

 

                        // 本地存储路径

                        SimpleDateFormat sdf =new SimpleDateFormat("yyyyMMdd");

                        SimpleDateFormat sdf2 = newSimpleDateFormat("HHmmssSSS");

 

                        String dateStr =sdf2.format(new Date());

                        String path =req.getSession().getServletContext().getRealPath("") + File.separator+ "wap"

                                + File.separator+ "user" + File.separator + sdf.format(new Date()) + File.separator;

 

                        File pathfile = newFile(path);

 

                        // 如果文件目录不存在，则新建

                        if (!pathfile.exists()&& !pathfile.isDirectory())

                        {

                            pathfile.mkdirs();

                        }

 

                        // 先存入本地

                        String fpath = path +dateStr + fileName.substring(fileName.lastIndexOf("."));

 

                        File newFile = newFile(fpath);

 

                        if (!newFile.exists())

                        {

                           newFile.createNewFile();

                        }

 

                        // 上传文件

                        FileOutputStreamoutputStream = new FileOutputStream(newFile);

                       FileCopyUtils.copy(file.getInputStream(), outputStream);

 

                        // 指定对应模块的文件夹

                        Map<String, String>param = new HashMap<String, String>();

                       param.put("fileTypeName", "center");

 

                        // 上传图片后的图片地址

                        String picUrl =UploadUtil.uploadFile(fpath, "img", req, param);

 

 

//多文件上传

// 转型为MultipartHttpRequest(重点的所在)

        MultipartHttpServletRequestmultipartRequest = (MultipartHttpServletRequest) req;

        try

        {

            // 循环上传图片

            for (Iterator<String> it =multipartRequest.getFileNames(); it.hasNext();)

            {

                String key = it.next();

                MultipartFile file =multipartRequest.getFile(key);

                if(file.getOriginalFilename().length() > 0)

                {

                    // 文件名称

                    String fileName =file.getOriginalFilename();

 

                    // 先存入本地

                    String fpath = path +sdf2.format(nowDate) + key +fileName.substring(fileName.lastIndexOf("."));

 

                    File newFile = new File(fpath);

 

                    if (!newFile.exists())

                    {

                       newFile.createNewFile();

                    }

 

                    FileOutputStreamoutputStream = new FileOutputStream(newFile);

                   FileCopyUtils.copy(file.getInputStream(), outputStream);

 

                    // 指定对应模块的文件夹

                    Map<String, String>param = new HashMap<String, String>();

                   param.put("fileTypeName", "return");

 

                    // 上传图片后的图片地址

                    String picUrl =UploadUtil.uploadFile(fpath, "img", req, param);

                    if(!StringTools.isNullOrEmpty(picUrl))

                    {

                        affixurl +="," + picUrl;

                    }

                }

            }

        }

        catch (IOException e)

        {

            logger.error("上传文件流异常",e);

        }

 

        // 判断非空，截取第一逗号

        if(!StringTools.isNullOrEmpty(affixurl))

        {

            affixurl = affixurl.substring(1);

        }