js,java上传文件到服务器

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页面

<script language="JavaScript" type="text/javascript"        src="$request.contextPath/resources/js/page/optimizationJob.js"></script><script type="text/javascript" src="$request.contextPath/resources/js/common/jquery-form.js"></script>

<div align="left" style="margin-left: 38%">    <table>        <tr>            <td align="center">                <div class="text1">上传您的文件 :</div>            </td>            <td style="padding-left: 10px">                <form action='/optimizationJob/uploadFile.action'                      enctype="multipart/form-data" method="post" id="fileForm" name="fileForm">                    <input type="file" class="a-upload" name="file" id="file" style="width:103%"/>                </form>            </td>        </tr>        <tr>            <td>            </td>            <td style="padding-left: 3%;padding-top: 3%">                <button id="executeBtn" class="btn btn-primary " type="button"                        style="background: #3692FD;border-radius: 6px; width: 29%;height: 10%"                        onclick="subimtBtn()">                    <div class="buttonText1">                        上传运行                    </div>                </button>                <h5  class="modal-title" id="uploadTip"></h5>            </td>        </tr>    </table></div>

//上传运行function subimtBtn() {    $("#submitBtn").attr("disabled", true);    var fileName = $('#file').val();    console.log("fileName:" + fileName)    if (fileName == null || fileName == undefined || fileName == '') {        callModelErrorMessageBox("文件不能为空");        $("#submitBtn").attr("disabled", false);        return;    }    if (fileName.length <= 4) {        callModelErrorMessageBox("文件名称不对");        $("#submitBtn").attr("disabled", false);        return;    }    fileName = fileName.substring(fileName.length - 4, fileName.length);    console.log(fileName)    if (fileName != '.xls') {        callModelErrorMessageBox("文件格式需要是.xls");        $("#submitBtn").attr("disabled", false);        return;    }    var form = $("form[name=fileForm]");    $("#uploadTip").html("正在上传...");    var options = {        action: '/optimizationJob/uploadFile.action',        type: 'post',        success: function (data) {            var success = data.success;            var errMsg = data.errMsg;            if (success == "Y") {                console.log("上传成功,返回success=Y,errMsg:" + errMsg);                $("#uploadTip").html("上传成功");            } else {                console.log("上传失败,返回success=N,errMsg:" + errMsg);                $("#uploadTip").html("上传失败");            }            $("#submitBtn").attr("disabled", false);        },        error: function (data) {            console.log("上传失败,返回error");            $("#uploadTip").html("上传失败");            $("#submitBtn").attr("disabled", false);        }    };    form.ajaxSubmit(options);}//subimtBtn

java

 private File file;    @Action(value = "uploadFile")    public void uploadFile() throws Exception {        //先创建本地文件夹        String filePath = "C:\\";        LOG.info("filePath: " + filePath);        //开始保存到本地        String fileName = getLoginErp() + "_" + DateUtil.formatYyyyMMddHHmmss(new Date()) + ".xls";        try {            OutputStream os = new FileOutputStream(new File(filePath + fileName));            InputStream is = new FileInputStream(file);            LOG.info("fileName: " + fileName);            byte[] buffer = new byte[10240];            while (-1 != (is.read(buffer, 0, buffer.length))) {                os.write(buffer);            }            os.close();            is.close();        } catch (FileNotFoundException e) {            e.printStackTrace();            resultMap.put("errMsg", "上传文件异常");            resultMap.put("success", "N");            Gson gson = new Gson();            String result = gson.toJson(this.resultMap);            log.info("上传文件的响应数据:" + result);            response.setContentType("text/json;charset=UTF-8");            response.getWriter().write(result);        } catch (IOException e) {            e.printStackTrace();            resultMap.put("errMsg", "上传文件异常");            resultMap.put("success", "N");            Gson gson = new Gson();            String result = gson.toJson(this.resultMap);            log.info("上传文件的响应数据:" + result);            response.setContentType("text/json;charset=UTF-8");            response.getWriter().write(result);        }        resultMap.put("errMsg", "上传文件成功");        resultMap.put("success", "Y");        Gson gson = new Gson();        String result = gson.toJson(this.resultMap);        log.info("上传文件的响应数据:" + result);        response.setContentType("text/json;charset=UTF-8");        response.getWriter().write(result);    }//uploadFile    public File getFile() {        return file;    }    public void setFile(File file) {        this.file = file;    }

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