Layui 的上传是最常用的, 不可或缺, 记录一下代码, 以后复制都能用!!

1.前端HTML：

<div class="layui-form-item"> <label class="layui-form-label">修改头像</label> <div class="layui-input-inline uploadHeadImage"> <div class="layui-upload-drag" id="headImg"> <i class="layui-icon"></i> <p>点击上传图片，或将图片拖拽到此处</p> </div> </div> <div class="layui-input-inline"> <div class="layui-upload-list"> <img class="layui-upload-img headImage" src="http://t.cn/RCzsdCq" id="demo1"> <p id="demoText"></p> </div> </div></div>

2.前端js：

<script type="text/javascript"> layui.use(["jquery", "upload", "form", "layer", "element"], function () { var $ = layui.$, element = layui.element, layer = layui.layer, upload = layui.upload, form = layui.form; //拖拽上传 var uploadInst = upload.render({ elem: '#headImg' , url: '/upload/headImg' , size: 500 , before: function (obj) { //预读本地文件示例，不支持ie8 obj.preview(function (index, file, result) { $('#demo1').attr('src', result); //图片链接（base64） }); } , done: function (res) { //如果上传失败 if (res.code > 0) { return layer.msg('上传失败'); } //上传成功 //打印后台传回的地址: 把地址放入一个隐藏的input中, 和表单一起提交到后台, 此处略.. window.parent.uploadHeadImage(res.data.src); var demoText = $('#demoText'); demoText.html('<span style="color: #8f8f8f;">上传成功!!!</span>'); } , error: function () { //演示失败状态，并实现重传 var demoText = $('#demoText'); demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-mini demo-reload">重试</a>'); demoText.find('.demo-reload').on('click', function () { uploadInst.upload(); }); } }); element.init(); });</script>

3.页面展示：

4.后台SpringMVC 接受：

/** * 个人信息上传 * @return {Result} */@RequestMapping(value = "/upload/headImg", method = {RequestMethod.POST})@ResponseBodypublic Object headImg(@RequestParam(value="file",required=false) MultipartFile file, HttpServletRequest request, HttpServletResponse response) throws Exception { if (SecurityUtils.getSubject().isAuthenticated() == false) { return "redirect:/backEnd/login"; } String prefix=""; String dateStr=""; //保存上传 OutputStream out = null; InputStream fileInput=null; try{ if(file!=null){ String originalName = file.getOriginalFilename(); prefix=originalName.substring(originalName.lastIndexOf(".")+1); dateStr = format.format(new Date()); String filepath = request.getServletContext().getRealPath("/static") + uploadDir + dateStr + "." + prefix; filepath = filepath.replace("\\", "/"); File files=new File(filepath); //打印查看上传路径 System.out.println(filepath); if(!files.getParentFile().exists()){ files.getParentFile().mkdirs(); } file.transferTo(files); } }catch (Exception e){ }finally{ try { if(out!=null){ out.close(); } if(fileInput!=null){ fileInput.close(); } } catch (IOException e) { } } Map<String,Object> map2=new HashMap<>(); Map<String,Object> map=new HashMap<>(); map.put("code",0); map.put("msg",""); map.put("data",map2); map2.put("src","../../../static"+uploadDir + dateStr + "." + prefix); return map;}

5.关于表单请求, 正常使用layui的表单上传就可以了.. 这里就不写了, 太简单了, 我其它博客有写,请去翻阅,嗯 ,就这样.......

以上这篇layui 图片上传+表单提交+ Spring MVC的实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。