jeesite导入导出前端（.jsp）+controller

前端导入弹出框

<div id="importBox" class="hide">
        <form id="importForm" action="${ctx}/graduate/graduate/import" method="post" enctype="multipart/form-data"
            class="form-search" style="padding-left:20px;text-align:center;" onsubmit="loading('正在导入，请稍等...');"><br/>
            <input id="uploadFile" name="file" type="file" style="width:330px"/><br/><br/>　　
            <input id="btnImportSubmit" class="btn btn-primary" type="submit" value="   导    入   "/>
            <a href="${ctx}/graduate/graduate/import/template">下载模板</a>
        </form>
    </div>

前端form表单

<form:form id="searchForm" modelAttribute="graduate" action="${ctx}/graduate/graduate/" method="post" class="breadcrumb form-search">
        <input id="pageNo" name="pageNo" type="hidden" value="${page.pageNo}"/>
        <input id="pageSize" name="pageSize" type="hidden" value="${page.pageSize}"/>
        <ul class="ul-form">
            <li><label>学号：</label>
                <form:input path="stuNo" htmlEscape="false" maxlength="20" class="input-medium"/>
            </li>
            <li><label>姓名：</label>
                <form:input path="stuName" htmlEscape="false" maxlength="20" class="input-medium"/>
            </li>
            <li class="btns"><input id="btnSubmit" class="btn btn-primary" type="submit" value="查询" onclick="return page();"/>
                <input id="btnExport" class="btn btn-primary" type="button" value="导出"/>
                <input id="btnImport" class="btn btn-primary" type="button" value="导入"/></li>
            <li class="clearfix"></li>

        </ul>
    </form:form>

导入导出按钮触发的点击事件（js）

<head>
    <title>毕业生信息管理</title>
    <meta name="decorator" content="default"/>
    <script type="text/javascript">
        $(document).ready(function() {
            $("#btnExport").click(function(){
                top.$.jBox.confirm("确认要导出用户数据吗？","系统提示",function(v,h,f){
                    if(v=="ok"){
                        $("#searchForm").attr("action","${ctx}/graduate/graduate/export");
                        $("#searchForm").submit();
                    }
                },{buttonsFocus:1});
                top.$('.jbox-body .jbox-icon').css('top','55px');
            });
            $("#btnImport").click(function(){
                $.jBox($("#importBox").html(), {title:"导入数据", buttons:{"关闭":true},
                    bottomText:"导入文件不能超过5M，仅允许导入“xls”或“xlsx”格式文件！"});
            });
        });
</script>
</head>

根据这个链接"${ctx}/graduate/graduate/export" 找到exportFile（）这个方法


  /**
     * 导出毕业信息数据（许彩开 2017.07.26）
     * @param graduate
     * @param request
     * @param response
     * @param redirectAttributes
     * @return
     */
    @RequiresPermissions("graduate:graduate:view")
    @RequestMapping(value = "export", method=RequestMethod.POST)
    public String exportFile(Graduate graduate, HttpServletRequest request, HttpServletResponse response, RedirectAttributes redirectAttributes) {
        try {
            String fileName = "毕业数据"+DateUtils.getDate("yyyyMMddHHmmss")+".xlsx";
            Page<Graduate> page = graduateService.findGraduate(new Page<Graduate>(request, response,
                    -1), graduate);
            //Page<Graduate> page = graduateService.findPage(new Page<Graduate>(request, response), graduate);
            new ExportExcel("毕业数据", Graduate.class).setDataList(page.getList()).write(response, fileName).dispose();

            return null;
        } catch (Exception e) {
            addMessage(redirectAttributes, "导出毕业数据失败！失败信息："+e.getMessage());
        }
        return "redirect:"+adminPath+"/graduate/graduate?repage";
    }


//根据<form id="importForm" action="${ctx}/graduate/graduate/import" method="post"找到
//importFile（）这个方法
    /**
     * 导入毕业数据
     * @param file
     * @param redirectAttributes
     * @return
     */
    @RequiresPermissions("graduate:graduate:edit")
    @RequestMapping(value = "import", method=RequestMethod.POST)
    public String importFile(MultipartFile file,Model model, RedirectAttributes redirectAttributes) {
        if(Global.isDemoMode()){
            addMessage(redirectAttributes, "演示模式，不允许操作！");
            return "redirect:" + adminPath + "/sys/user/list?repage";
        }
        try {
            int successNum = 0;
            int failureNum = 0;
            StringBuilder failureMsg = new StringBuilder();
            ImportExcel ei = new ImportExcel(file, 1, 0);
            List<Graduate> list = ei.getDataList(Graduate.class);
            for (Graduate graduate : list){
                try{
                    if ("true".equals(checkStuNo(graduate))){
                        if(checkInstiuteByOrgId(graduate)){
                            //性别转换 1==男  ，2==女
                            if(graduate.getSex().equals("男")){
                                graduate.setSex("1");
                            }else{
                                graduate.setSex("2");
                            }
                            graduate.setPassword(SystemService.entryptPassword("123456"));
                            BeanValidators.validateWithException(validator, graduate);
                            graduateService.save(graduate);
                            successNum++;
                        }else{
                            failureMsg.append("<br/>学号为："+graduate.getStuNo()+" 的学院代码或者学院名称输入错误！");
                            failureNum++;
                        }
                    }else{
                        failureMsg.append("<br/>学号： "+graduate.getStuNo()+" 已存在; ");
                        failureNum++;
                    }
                }catch(ConstraintViolationException ex){
                    failureMsg.append("<br/>学号 "+graduate.getStuNo()+" 导入失败：");
                    List<String> messageList = BeanValidators.extractPropertyAndMessageAsList(ex, ": ");
                    for (String message : messageList){
                        failureMsg.append(message+"; ");
                        failureNum++;
                    }
                }catch (Exception ex) {
                    failureMsg.append("<br/>学号 "+graduate.getStuNo()+" 导入失败："+ex.getMessage());
                    ex.printStackTrace();
                }
            }
            if (failureNum>0){
                failureMsg.insert(0, "，失败 "+failureNum+" 条用户，导入信息如下：");
            }
            addMessage(redirectAttributes, "已成功导入 "+successNum+" 条用户"+failureMsg);
        } catch (Exception e) {
            addMessage(redirectAttributes, "导入用户失败！失败信息："+e.getMessage());
        }
        return "redirect:"+Global.getAdminPath()+"/graduate/graduate/?repage";
    }

    /**
     *
     * @author 许彩开
     * TODO(注：下载导入毕业信息数据模板)
     * @param graduate
     * @param request
     * @param response
     * @param redirectAttributes
     * @return
     * @return_type String
     * @DATE 2017年7月26日
     */
    @RequiresPermissions("graduate:graduate:view")
    @RequestMapping(value = "import/template")
    public String importFileTemplate(Graduate graduate,HttpServletRequest request,HttpServletResponse response, RedirectAttributes redirectAttributes) {
        try {
            String fileName = "毕业数据导入模板.xlsx";
            Page<Graduate> page = graduateService.findGraduate(new Page<Graduate>(request, response, -1), graduate);
            List<Graduate> list = Lists.newArrayList();
            if(page.getList()!=null&&page.getList().size()>0) {
                //取出第一个对象
                list.add(page.getList().get(0));
                new ExportExcel("毕业数据", Graduate.class, 2).setDataList(list).write(response, fileName).dispose();
                return null;
            }else{
                new ExportExcel("毕业数据",Graduate.class,2).write(response,fileName).dispose();
                return null;
            }
        } catch (Exception e) {
            addMessage(redirectAttributes, "导入模板下载失败！失败信息："+e.getMessage());
        }
        return "redirect:"+adminPath+"/graduate/graduate/?repage";
    }

    /***
     *
     * @author 许彩开
     * TODO(注：验证学号是否有效)
     * @param graduate
     * @return
     * @return_type String
     * @DATE 2017年7月26日
     */
    @ResponseBody
    @RequiresPermissions("graduate:graduate:edit")
    @RequestMapping(value = "checkStuNo")
    public String checkStuNo(Graduate graduate) {
        if (graduate !=null&&graduate.getStuNo() != null) {
            if ( graduateService.findByStuNo(graduate) > 0) {
                //该学号已存在
                return "false";
            }else{
                return "true";
            }
        }else{
            return "false";
        }
    }
    public boolean checkInstiuteByOrgId(Graduate graduate){
        /**
         * @author 许彩开
         * @TODO (注：验证学院代码是否有效)
         * @param graduate
         * @DATE: 2017/8/1 10:20
         */
        Institute institute=null;
        if(graduate.getOrgId()!=null||!graduate.getOrgId().equals("")){
            institute=instituteService.getInstituteByOrgId(graduate.getOrgId());
            if(institute!=null&&institute.getInstituteName().equals(graduate.getOrgName())){
                graduate.setOrgId(institute.getId());
                return  true;
            }else {
                return false;
            }
        }else{
            return false;
        }
    }

jeesite导入导出前端（.jsp）+controller

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