layui中如何实现图片虚拟路径上传功能

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效果如下所示：

前端：


  #detailTbody tr:hover {
    background: #fff;
  }

  .layui-form-label {
    width: 110px;
  }

  .uploader-list {
    margin-left: -15px;
  }

  .uploader-list .info {
    position: relative;
    margin-top: -25px;
    background-color: black;
    color: white;
    filter: alpha(Opacity=80);
    -moz-opacity: 0.5;
    opacity: 0.5;
    width: 100px;
    height: 25px;
    text-align: center;
    display: none;
  }

  .uploader-list .handle {
    position: relative;
    background-color: #ff6a00;
    color: white;
    filter: alpha(Opacity=80);
    -moz-opacity: 0.5;
    width: 100px;
    text-align: right;
    height: 18px;
    margin-bottom: -18px;
    display: none;
  }

  .uploader-list .handle span {
    margin-right: 5px;
  }

  .uploader-list .handle span:hover {
    cursor: pointer;
  }

  .uploader-list .file-iteme {
    margin: 12px 0 0 15px;
    padding: 1px;
    float: left;
  }

    
        
      单据上传（可上传多张）
      
          预览图：
          
        
          
            

layui.use(['form', 'layer', 'laydate', 'upload'], function () { $ = layui.jquery; var form = layui.form, layer = layui.layer, laydate = layui.laydate, upload = layui.upload; //多图片上传 upload.render({ elem: '#test2' , url: '/psi/order/uploadImg' , multiple: true , before: function (obj) { layer.msg('图片上传中...', { icon: 16, shade: 0.01, time: 0 }) } , done: function (res) { layer.close(layer.msg());//关闭上传提示窗口 //上传完毕 $('#uploader-list').append( '' + '

' + '' + '' ); } }); }); $(document).on("mouseenter mouseleave", ".file-iteme", function (event) { if (event.type === "mouseenter") { //鼠标悬浮 $(this).children(".info").fadeIn("fast"); $(this).children(".handle").fadeIn("fast"); } else if (event.type === "mouseleave") { //鼠标离开 $(this).children(".info").hide(); $(this).children(".handle").hide(); } }); $(document).on("click", ".file-iteme .handle", function(event){ $(this).parent().remove(); }) }) function showBig(obj) { var url = (obj.src); var index = layer.open({ type: 2, content: url, area: ['100%', '100%'], title: "单据", maxmin: true, closeBtn: 1 }); layer.full(index); }

@RequestMapping(value = "/uploadImg") @ResponseBody public Map uploadImg(MultipartFile file,HttpServletRequest request){ Map data = new HashMap<>(); String url = ""; if (!file.isEmpty()){ url = FileUploadUtil.saveImage(file,"orderVoucher",request); } data.put("url",url); return data; }

import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletRequest; import java.io.*; import java.util.Date; public class FileUploadUtil { public static String fileUploadPathUrl="D:\\svnproject\\wechatprintingPicture"; /** * 图片读取存放获取路径 * * @param file 文件 * @param fileName 文件存放的目录名 * @return */ public static String saveImage(MultipartFile file, String fileName, HttpServletRequest requestFileUploadUtil) { long timestamp = new Date().getTime();//获取时间戳 String realPath = fileUploadPathUrl;//项目路径 String newFileName = timestamp + "" + file.getOriginalFilename(); //file.getOriginalFilename()是获取原始图片的拓展名，newfileName新的文件名字 String path = realPath + "/" + fileName; String newPath = path + "/" + newFileName;////图片存放的位置路径 File filePath = new File(path + "/"); if (!filePath.exists()) { filePath.mkdirs(); } if (!file.isEmpty()) { BufferedOutputStream out = null; try { out = new BufferedOutputStream( new FileOutputStream(new File(newPath))); out.write(file.getBytes()); out.flush(); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } String url = requestFileUploadUtil.getScheme() + "://" + requestFileUploadUtil.getServerName() + ":" + requestFileUploadUtil.getServerPort() + requestFileUploadUtil.getContextPath() + "/" + fileName + "/" + newFileName; return url; } }

spring: resources: static-locations: classpath:/META-INF/resources/,classpath:/resources/,classpath:/static/,classpath:/public/,file:${web.uploadPath} web: uploadPath: D:/svnproject/wechatprintingPicture

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layui中如何实现图片虚拟路径上传功能

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