上传

https://www.cnblogs.com/xdp-gacl/p/4200090.html

<form  enctype="">

   <input type=file name=file><button value="上传">

</form>

@RequiresPermissions("dp:dpMaterials:edit")
@RequestMapping(value = "save")
public String save(HttpServletRequest request,DpMaterials dpMaterials, String[] library, String[] name,
                   @RequestParam(value = "file", required = false) MultipartFile[] file,
                   Model model, RedirectAttributes redirectAttributes) {
    if (!beanValidator(model, dpMaterials)) {
        return form(dpMaterials, model);
    }
    String id = dpMaterials.getId();
    if (id == null || "".equals(id)) {
        //设置id
        dpMaterials.setIsNewRecord(true);
        id = IdGen.uuid();
        dpMaterials.setId(id);
        dpMaterials.setCreateDate(new Date());
    }
    /**
     * 商家信息
     */
    DpInfo dpInfo = dpInfoService.get(dpMaterials.getMid());
    dpMaterials.setMerchantAccount(dpInfo.getAccount());
    dpMaterials.setName(dpInfo.getName());
    dpMaterials.setIndustry(dpInfo.getIndustry());
    dpMaterials.setGrade(dpInfo.getGrade());

    dpMaterialsService.save(dpMaterials);

    /**
     * 材料库详情
     */
    if (library != null && library.length > 0) {
        for (int i = 0; i < library.length; i++) {
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
            String timeStr = simpleDateFormat.format(new Date());
            String path = request.getSession().getServletContext().getRealPath("/") + "/resources/upload/dpMaterials/" + timeStr + "/";
            String spare="/resources/upload/dpMaterials/" + timeStr + "/";
            MultipartFile f= file[i];
            String myFileName = f.getOriginalFilename();
            //如果名称不为“”,说明该文件存在，否则说明该文件不存在
            if (myFileName.trim() != "") {
                //重命名上传后的文件名
                //定义上传路径
                File localFile = new File(path + myFileName);
                if (!localFile.exists()) {
                    localFile.mkdirs();
                }
                try {
                    f.transferTo(localFile);
                } catch (IOException e) {
                    e.printStackTrace();
                }
                DpMaterialsDetails dpMaterialsDetails = new DpMaterialsDetails();
                dpMaterialsDetails.setMid(id);
                dpMaterialsDetails.setLibrary(library[i]);
                dpMaterialsDetails.setName(name[i]);
                dpMaterialsDetails.setSpare1(spare);
                dpMaterialsDetails.setStorageDate(new Date());
                User user = UserUtils.getUser();
                dpMaterialsDetails.setGradeId(user.getId());
                dpMaterialsDetails.setGradeName(user.getName());
                dpMaterialsDetailsService.save(dpMaterialsDetails);
            }
        }
    }
    addMessage(redirectAttributes, "保存商家材料库管理成功");
    return "redirect:" + Global.getAdminPath() + "/dp/dpMaterials/?repage";
}

<form id="saveForm" class="layui-form" action="${basePath}/lab/project/endProject" method="post"
enctype="multipart/form-data">
<div class="layui-form-item">
<label class="layui-form-label">结题时间</label>
<div class="layui-input-inline">
<input type="hidden" value="${labProject.projectapplId}" name="projectapplId" id="projectapplId">
<input type="text" class="layui-input " id="endTime" name="endTime"
value="<fmt:formatDate value="${labProject.endTime}" pattern="yyyy-MM-dd"/>"
lay-verify="required|date">
</div>
</div>

<div class="layui-form-item">
<label class="layui-form-label">是否归档</label>
<div class="layui-input-inline">
<select class="newsLook" lay-filter="warning" name="warning" id="warning">
<option value="0">是</option>
<option value="1">否</option>
</select>
</div>
</div>
<div class="layui-upload">
<button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
<input class="layui-upload-file" type="file" name="file" multiple="">
<div class="layui-upload-list">
<table class="layui-table">
<thead>
<tr>
<th>文件名</th>
<th>地址</th>
<%--<th>大小</th>--%>
<th>状态</th>
<th>操作</th>
</tr>
</thead>
<tbody id="demoList">

</tbody>
</table>
</div>
<button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>
<div class="layui-form-item">
<div class="layui-input-block">
<button type="button" class="layui-btn" lay-submit lay-filter="saveForm">保存</button>
<button type="reset" class="layui-btn layui-btn-primary">重置</button>
<button type="reset" class="layui-btn layui-btn-primary" onclick="addTabTr()">添加行</button>
</div>
</div>
</form>
<jsp:include page="/resources/inc/footer.jsp" flush="true"/>
<script type="text/javascript">
$(function () {
//日期控件
laydate.render({
elem: '#endTime'
});
//
form.on("submit(saveForm)", function () {
saveForm();
});
form.on('select(status)', function (data) {
if (data.value == 1) {//得到被选中的值
$("#showDiv").show();
} else {
$("#showDiv").hide();
}
});

layui.use('upload', function () {
var upload = layui.upload;
//多文件列表示例
var demoListView = $('#demoList')
,uploadListIns = upload.render({
elem: '#testList'
,url: '${basePath}/lab/project/upload'
,accept: 'file'
,multiple: true
,auto: false
,bindAction: '#testListAction'
,choose: function(obj){
var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
//读取本地文件
obj.preview(function(index, file, result){
var tr = $(['<tr id="upload-'+ index +'">'
,'<td><input type="text" class="layui-input newsAuthor" lay-verify="required" name="names" id="names"> </td>'
,'<td>'+ file.name +'<input type="hidden" name="url" id="url-'+ index +'"></td>'
// ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
,'<td>等待上传</td>'
,'<td>'
,'<button class="layui-btn layui-btn-mini demo-reload layui-hide">重传</button>'
,'<button class="layui-btn layui-btn-mini layui-btn-danger demo-delete">删除</button>'
,'</td>'
,'</tr>'].join(''));

//单个重传
tr.find('.demo-reload').on('click', function(){
obj.upload(index, file);
});

//删除
tr.find('.demo-delete').on('click', function(){
delete files[index]; //删除对应的文件
tr.remove();
uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
});

demoListView.append(tr);
});
}
,done: function(res, index, upload){
if(res.code == 0){ //上传成功
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
tds.eq(3).html(''); //清空操作
demoListView.find('input#url-'+ index).val(res.src);
return delete this.files[index]; //删除文件队列已经上传成功的文件
}
this.error(index, upload);
}
,error: function(index, upload){
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
}
});
});
});

@RequestMapping("/upload")
@ResponseBody
public JSONObject upload(HttpServletRequest request,
@RequestParam(value = "file", required = false) MultipartFile file[], HttpServletResponse response) throws Exception {
JSONObject jsonObject = new JSONObject();
try {
for (int i = 0; i < file.length; i++) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
String timeStr = simpleDateFormat.format(new Date());
String path = request.getSession().getServletContext().getRealPath("/") + "/resources/upload/project/" + timeStr + "/";
MultipartFile file1 = file[i];
String myFileName = file1.getOriginalFilename();

//如果名称不为“”,说明该文件存在，否则说明该文件不存在
if (myFileName.trim() != "") {
//重命名上传后的文件名
//定义上传路径
File localFile = new File(path + myFileName);
if (!localFile.exists()) {
localFile.mkdirs();
}
file1.transferTo(localFile);
jsonObject.put("code", "0");
jsonObject.put("msg", "SUCCESS");
jsonObject.put("src", timeStr + "/" + myFileName);
jsonObject.put("name", myFileName);
}
}

} catch (Exception e) {
e.printStackTrace();
jsonObject.put("code", "1");
jsonObject.put("msg", e.getLocalizedMessage());
}
return jsonObject;
}