webuploader 实现图片批量上传功能附实例代码

<div class="page-container">    <div class="row cl">      <label class="form-label col-xs-4 col-sm-2"><span        class="c-red">*</span>项目名称：</label>      <div class="formControls col-xs-8 col-sm-9">        <input type="text" class="input-text" value="${proName }"          placeholder="" id="" name="proName" readonly="readonly">      </div>    </div>    <div class="row cl">      <label class="form-label col-xs-4 col-sm-2">缩略图：</label>      <div class="formControls col-xs-8 col-sm-9">        <div class="uploader-thum-container">          <div id="fileList" class="uploader-list"></div>          <div id="filePicker">选择图片</div>          <button id="btn-star"            class="btn btn-default btn-uploadstar radius ml-10">开始上传</button>        </div>      </div>    </div>    <div class="row cl">      <label class="form-label col-xs-4 col-sm-2"><span        class="c-red">*</span>项目发票上传：</label>      <div class="formControls col-xs-8 col-sm-9">        <div class="uploader-list-container">          <div class="queueList">            <div id="dndArea" class="placeholder">              <div id="filePicker-2"></div>              <p>或将照片拖到这里，单次最多可选300张</p>            </div>          </div>          <div class="statusBar" style="display:none;">            <div class="progress">              <span class="text">0%</span> <span class="percentage"></span>            </div>            <div class="info"></div>            <div class="btns">              <div id="filePicker2"></div>              <div class="uploadBtn">开始上传</div>            </div>          </div>        </div>      </div>    </div>    <div class="row cl">      <div class="col-xs-8 col-sm-9 col-xs-offset-4 col-sm-offset-2">        <button          onClick="article_add('','invoiceVo/save?&projectId=${projectId}&invoiceScan=','10001');"          class="btn btn-primary radius" type="button">          <i class="Hui-iconfont"></i>   保存          </button>      </div>    </div>  </div>

<script type="text/javascript">  var imagePath=null;     function article_save() {      alert("刷新父级的时候会自动关闭弹层。");      window.parent.location.reload();    }    /*项目发票-添加*/    function article_add(title, url, w, h) {    if(imagePath){      var index = layer.open({        type : 2,        title : title,        content : url+imagePath      });      layer.full(index);    }else{alert("没有上传图片，请先上传图片");}    }    $(function() {      $('.skin-minimal input').iCheck({        checkboxClass : 'icheckbox-blue',        radioClass : 'iradio-blue',        increaseArea : '20%'      });      $list = $("#fileList"), $btn = $("#btn-star"), state = "pending",          uploader;      var uploader = WebUploader.create({        auto : true,        swf : 'lib/webuploader/0.1.5/Uploader.swf',// swf文件路径        // 文件接收服务端。        server : 'lib/webuploader/0.1.5/server/fileupload.php', // 文件接收服务端。        // 选择文件的按钮。可选。        // 内部根据当前运行是创建，可能是input元素，也可能是flash.        pick : '#filePicker',        // 不压缩image, 默认如果是jpeg，文件上传前会压缩一把再上传！        resize : false,        // 只允许选择图片文件。        accept : {          title : 'Images',          extensions : 'gif,jpg,jpeg,bmp,png',          mimeTypes : 'image/*'        }      });      // 当有文件被添加进队列的时候      uploader          .on(              'fileQueued',              function(file) {                var $li = $('<div id="' + file.id + '" class="item">'                    + '<div class="pic-box"><img></div>'                    + '<div class="info">'                    + file.name                    + '</div>'                    + '<p class="state">等待上传...</p>'                    + '</div>'), $img = $li.find('img');                $list.append($li);                // 创建缩略图                // 如果为非图片文件，可以不用调用此方法。                // thumbnailWidth x thumbnailHeight 为 100 x 100                uploader.makeThumb(file, function(error, src) {                  if (error) {                    $img.replaceWith('<span>不能预览</span>');                    return;                  }                  $img.attr('src', src);                }, thumbnailWidth, thumbnailHeight);              });      // 文件上传过程中创建进度条实时显示。      uploader          .on(              'uploadProgress',              function(file, percentage) {                var $li = $('#' + file.id), $percent = $li                    .find('.progress-box .sr-only');                // 避免重复创建                if (!$percent.length) {                  $percent = $(                      '<div class="progress-box"><span class="progress-bar radius"><span class="sr-only" style="width:0%"></span></span></div>')                      .appendTo($li).find('.sr-only');                }                $li.find(".state").text("上传中");                $percent.css('width', percentage * 100 + '%');              });      // 文件上传成功，给item添加成功class, 用样式标记上传成功。      uploader.on('uploadSuccess', function(file) {        $('#' + file.id).addClass('upload-state-success')            .find(".state").text("已上传");      });      // 文件上传失败，显示上传出错。      uploader.on('uploadError', function(file) {        $('#' + file.id).addClass('upload-state-error').find(".state")            .text("上传出错");      });      // 完成上传完了，成功或者失败，先删除进度条。      uploader.on('uploadComplete', function(file) {        $('#' + file.id).find('.progress-box').fadeOut();      });      uploader.on('all', function(type) {        if (type === 'startUpload') {          state = 'uploading';        } else if (type === 'stopUpload') {          state = 'paused';        } else if (type === 'uploadFinished') {          state = 'done';        }        if (state === 'uploading') {          $btn.text('暂停上传');        } else {          $btn.text('开始上传');        }      });      $btn.on('click', function() {        if (state === 'uploading') {          uploader.stop();        } else {          uploader.upload();        }      });    });    (function($) {      // 当domReady的时候开始初始化      $(function() {        var $wrap = $('.uploader-list-container'),        // 图片容器        $queue = $('<ul class="filelist"></ul>').appendTo(            $wrap.find('.queueList')),        // 状态栏，包括进度和控制按钮        $statusBar = $wrap.find('.statusBar'),        // 文件总体选择信息。        $info = $statusBar.find('.info'),        // 上传按钮        $upload = $wrap.find('.uploadBtn'),        // 没选择文件之前的内容。        $placeHolder = $wrap.find('.placeholder'),        $progress = $statusBar.find('.progress').hide(),        // 添加的文件数量        fileCount = 0,        // 添加的文件总大小        fileSize = 0,        // 优化retina, 在retina下这个值是2        ratio = window.devicePixelRatio || 1,        // 缩略图大小        thumbnailWidth = 110 * ratio, thumbnailHeight = 110 * ratio,        // 可能有pedding, ready, uploading, confirm, done.        state = 'pedding',        // 所有文件的进度信息，key为file id        percentages = {},        // 判断浏览器是否支持图片的base64        isSupportBase64 = (function() {          var data = new Image();          var support = true;          data.onload = data.onerror = function() {            if (this.width != 1 || this.height != 1) {              support = false;            }          }          data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";          return support;        })(),        // 检测是否已经安装flash，检测flash的版本        flashVersion = (function() {          var version;          try {            version = navigator.plugins['Shockwave Flash'];            version = version.description;          } catch (ex) {            try {              version = new ActiveXObject(                  'ShockwaveFlash.ShockwaveFlash')                  .GetVariable('$version');            } catch (ex2) {              version = '0.0';            }          }          version = version.match(//d+/g);          return parseFloat(version[0] + '.' + version[1], 10);        })(),        supportTransition = (function() {          var s = document.createElement('p').style, r = 'transition' in s              || 'WebkitTransition' in s              || 'MozTransition' in s              || 'msTransition' in s || 'OTransition' in s;          s = null;          return r;        })(),        // WebUploader实例        uploader;        if (!WebUploader.Uploader.support('flash')            && WebUploader.browser.ie) {          // flash 安装了但是版本过低。          if (flashVersion) {            (function(container) {              window['expressinstallcallback'] = function(state) {                switch (state) {                case 'Download.Cancelled':                  alert('您取消了更新！')                  break;                case 'Download.Failed':                  alert('安装失败')                  break;                default:                  alert('安装已成功，请刷新！');                  break;                }                delete window['expressinstallcallback'];              };              var swf = 'expressInstall.swf';              // insert flash object              var html = '<object type="application/'                  + 'x-shockwave-flash" data="' + swf + '" ';              if (WebUploader.browser.ie) {                html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';              }              html += 'width="100%" height="100%" style="outline:0">'                  + '<param name="movie" value="' + swf + '" />'                  + '<param name="wmode" value="transparent" />'                  + '<param name="allowscriptaccess" value="always" />'                  + '</object>';              container.html(html);            })($wrap);            // 压根就没有安转。          } else {            $wrap                .html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');          }          return;        } else if (!WebUploader.Uploader.support()) {          alert('Web Uploader 不支持您的浏览器！');          return;        }        // 实例化        uploader = WebUploader.create({          pick : {            id : '#filePicker-2',            label : '点击选择图片'          },          formData : {            uid : 123          },          dnd : '#dndArea',          paste : '#uploader',          swf : 'lib/webuploader/0.1.5/Uploader.swf',          chunked : false,          chunkSize : 512 * 1024,          server : 'invoiceVo/news_uploder?&projectId=${projectId}',          // runtimeOrder: 'flash',          // accept: {          //   title: 'Images',          //   extensions: 'gif,jpg,jpeg,bmp,png',          //   mimeTypes: 'image/*'          // },          // 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。          disableGlobalDnd : true,          fileNumLimit : 300,          fileSizeLimit : 200 * 1024 * 1024, // 200 M          fileSingleSizeLimit : 50 * 1024 * 1024        // 50 M        });        // 拖拽时不接受 js, txt 文件。        uploader.on('dndAccept', function(items) {          var denied = false, len = items.length, i = 0,          // 修改js类型          unAllowed = 'text/plain;application/javascript ';          for (; i < len; i++) {            // 如果在列表里面            if (~unAllowed.indexOf(items[i].type)) {              denied = true;              break;            }          }          return !denied;        });        uploader.on('dialogOpen', function() {          console.log('here');        });        // uploader.on('filesQueued', function() {        //   uploader.sort(function( a, b ) {        //     if ( a.name < b.name )        //      return -1;        //     if ( a.name > b.name )        //      return 1;        //     return 0;        //   });        // });        // 添加“添加文件”的按钮，/*         uploader.addButton({          id : '#filePicker2',          label : '继续添加'        }); */        uploader.on('ready', function() {          window.uploader = uploader;        });        // 当有文件添加进来时执行，负责view的创建        function addFile(file) {          var $li = $('<li id="' + file.id + '">'              + '<p class="title">' + file.name + '</p>'              + '<p class="imgWrap"></p>'              + '<p class="progress"><span></span></p>' + '</li>'),          $btns = $(              '<div class="file-panel">'                  + '<span class="cancel">删除</span>'                  + '<span class="rotateRight">向右旋转</span>'                  + '<span class="rotateLeft">向左旋转</span></div>')              .appendTo($li), $prgress = $li              .find('p.progress span'), $wrap = $li              .find('p.imgWrap'), $info = $('<p class="error"></p>'),          showError = function(code) {            switch (code) {            case 'exceed_size':              text = '文件大小超出';              break;            case 'interrupt':              text = '上传暂停';              break;            default:              text = '上传失败，请重试';              break;            }            $info.text(text).appendTo($li);          };          if (file.getStatus() === 'invalid') {            showError(file.statusText);          } else {            // @todo lazyload            $wrap.text('预览中');            uploader                .makeThumb(                    file,                    function(error, src) {                      var img;                      if (error) {                        $wrap.text('不能预览');                        return;                      }                      if (isSupportBase64) {                        img = $('<img src="'+src+'">');                        $wrap.empty().append(img);                      } else {                        $                            .ajax(                                'lib/webuploader/0.1.5/server/preview.php',                                {                                  method : 'POST',                                  data : src,                                  dataType : 'json'                                })                            .done(                                function(                                    response) {                                  if (response.result) {                                    img = $('<img src="'+response.result+'">');                                    $wrap                                        .empty()                                        .append(                                            img);                                  } else {                                    $wrap                                        .text("预览出错");                                  }                                });                      }                    }, thumbnailWidth, thumbnailHeight);            percentages[file.id] = [ file.size, 0 ];            file.rotation = 0;          }          file.on('statuschange', function(cur, prev) {            if (prev === 'progress') {              $prgress.hide().width(0);            } else if (prev === 'queued') {              $li.off('mouseenter mouseleave');              $btns.remove();            }            // 成功            if (cur === 'error' || cur === 'invalid') {              console.log(file.statusText);              showError(file.statusText);              percentages[file.id][1] = 1;            } else if (cur === 'interrupt') {              showError('interrupt');            } else if (cur === 'queued') {              percentages[file.id][1] = 0;            } else if (cur === 'progress') {              $info.remove();              $prgress.css('display', 'block');            } else if (cur === 'complete') {              $li.append('<span class="success"></span>');            }            $li.removeClass('state-' + prev).addClass(                'state-' + cur);          });          $li.on('mouseenter', function() {            $btns.stop().animate({              height : 30            });          });          $li.on('mouseleave', function() {            $btns.stop().animate({              height : 0            });          });          $btns              .on(                  'click',                  'span',                  function() {                    var index = $(this).index(), deg;                    switch (index) {                    case 0:                      uploader.removeFile(file);                      return;                    case 1:                      file.rotation += 90;                      break;                    case 2:                      file.rotation -= 90;                      break;                    }                    if (supportTransition) {                      deg = 'rotate(' + file.rotation                          + 'deg)';                      $wrap.css({                        '-webkit-transform' : deg,                        '-mos-transform' : deg,                        '-o-transform' : deg,                        'transform' : deg                      });                    } else {                      $wrap                          .css(                              'filter',                              'progid:DXImageTransform.Microsoft.BasicImage(rotation='                                  + (~~((file.rotation / 90) % 4 + 4) % 4)                                  + ')');                    }                  });          $li.appendTo($queue);        }        // 负责view的销毁        function removeFile(file) {          var $li = $('#' + file.id);          delete percentages[file.id];          updateTotalProgress();          $li.off().find('.file-panel').off().end().remove();        }        function updateTotalProgress() {          var loaded = 0, total = 0, spans = $progress.children(), percent;          $.each(percentages, function(k, v) {            total += v[0];            loaded += v[0] * v[1];          });          percent = total ? loaded / total : 0;          spans.eq(0).text(Math.round(percent * 100) + '%');          spans.eq(1).css('width', Math.round(percent * 100) + '%');          updateStatus();        }        function updateStatus() {          var text = '', stats;          if (state === 'ready') {            text = '选中' + fileCount + '张图片，共'                + WebUploader.formatSize(fileSize) + '。';          } else if (state === 'confirm') {            stats = uploader.getStats();            if (stats.uploadFailNum) {              text = '已成功上传'                  + stats.successNum                  + '张照片至XX相册，'                  + stats.uploadFailNum                  + '张照片上传失败，<a class="retry" href="#" rel="external nofollow" rel="external nofollow" >重新上传</a>失败图片或<a class="ignore" href="#" rel="external nofollow" rel="external nofollow" >忽略</a>'            }          } else {            stats = uploader.getStats();            text = '共' + fileCount + '张（'                + WebUploader.formatSize(fileSize) + '），已上传'                + stats.successNum + '张';            if (stats.uploadFailNum) {              text += '，失败' + stats.uploadFailNum + '张';            }          }          $info.html(text);        }        function setState(val) {          var file, stats;          if (val === state) {            return;          }          $upload.removeClass('state-' + state);          $upload.addClass('state-' + val);          state = val;          switch (state) {          case 'pedding':            $placeHolder.removeClass('element-invisible');            $queue.hide();            $statusBar.addClass('element-invisible');            uploader.refresh();            break;          case 'ready':            $placeHolder.addClass('element-invisible');            $('#filePicker2').removeClass('element-invisible');            $queue.show();            $statusBar.removeClass('element-invisible');            uploader.refresh();            break;          case 'uploading':            $('#filePicker2').addClass('element-invisible');            $progress.show();            $upload.text('暂停上传');            break;          case 'paused':            $progress.show();            $upload.text('继续上传');            break;          case 'confirm':            $progress.hide();            $('#filePicker2').removeClass('element-invisible');            $upload.text('开始上传');            stats = uploader.getStats();            if (stats.successNum && !stats.uploadFailNum) {              setState('finish');              return;            }            break;          case 'finish':            stats = uploader.getStats();            if (stats.successNum) {              alert('上传成功');            } else {              // 没有成功的图片，重设              state = 'done';              location.reload();            }            break;          }          updateStatus();        }        uploader.onUploadProgress = function(file, percentage) {          var $li = $('#' + file.id), $percent = $li              .find('.progress span');          $percent.css('width', percentage * 100 + '%');          percentages[file.id][1] = percentage;          updateTotalProgress();        };        uploader.onFileQueued = function(file) {          fileCount++;          fileSize += file.size;          if (fileCount === 1) {            $placeHolder.addClass('element-invisible');            $statusBar.show();          }          addFile(file);          setState('ready');          updateTotalProgress();        };        uploader.onFileDequeued = function(file) {          fileCount--;          fileSize -= file.size;          if (!fileCount) {            setState('pedding');          }          removeFile(file);          updateTotalProgress();        };        /*获取服务器返回的数据*/        uploader.on('uploadSuccess', function(file, response) {          alert(response.status);          if (response.status == "success") {            imagePath =response.filePath;            alert("文件保存路径：" + response.filePath);          } else if (response.status == "error")            alert(response.error);        });        uploader.on('all', function(type) {          var stats;          //alert(type);          switch (type) {          case 'uploadFinished':            setState('confirm');            break;          case 'startUpload':            setState('uploading');            break;          case 'stopUpload':            setState('paused');            break;          }        });        uploader.onError = function(code) {          alert('Eroor: ' + code);        };        $upload.on('click', function() {          if ($(this).hasClass('disabled')) {            return false;          }          if (state === 'ready') { //点击上传按钮，进入准备状态。            uploader.upload(); //开始上传          } else if (state === 'paused') {            uploader.upload();          } else if (state === 'uploading') {            uploader.stop();          }        });        $info.on('click', '.retry', function() {          uploader.retry();        });        $info.on('click', '.ignore', function() {          alert('todo');        });        $upload.addClass('state-' + state);        updateTotalProgress();      });    })(jQuery);  </script>

/**   * 跳转到上传发票的页面   * @param proName   * @param map   * @return   */  @RequestMapping(value = "/upload" )  public String invoiceUpload(String proName,Long id,Map<String, Object> map){    map.put("proName", proName);    projectService.getProject(id);    map.put("projectId", id);    return "project/invoiceUpload";  }  /**   * 上传发票并保存导数据库   * @param file   * @param request   * @param response   * @return   */  @ResponseBody   @RequestMapping(value = "/news_uploder", method ={RequestMethod.POST,RequestMethod.GET}, produces = "application/json; charset=utf-8")     public JSONObject uploder(@RequestParam MultipartFile[] file,Long projectId,HttpServletRequest request,HttpServletResponse response){     String flag=null;     JSONObject jsonObject = new JSONObject();    try {       WebuploaderUtil webuploaderUtil=new WebuploaderUtil();       webuploaderUtil.upload(file[0], "upload/invoice/", request);       flag=webuploaderUtil.getFileName();       jsonObject.put("filePath", flag);      jsonObject.put("status", "success");    } catch (Exception e) {       e.printStackTrace();     }       return jsonObject;   }  5、工具类  package com.softjx.util;/**  *Project Name: QDLIMAP  *File Name:  WebuploaderUtil.java  *Package Name: com.ltmap.platform.cms.util  *Date:     2017年4月13日 下午6:30:45  *Copyright (c) 2017,578888218@qq.com All Rights Reserved. */ import java.io.File; import java.text.SimpleDateFormat; import java.util.Date; import javax.servlet.http.HttpServletRequest; import org.springframework.web.multipart.MultipartFile; /**  *Title:   WebuploaderUtil<br/>  *Description:  *@Company:  励图高科<br/>  *@author:  刘云生  *@version:  v1.0  *@since:   JDK 1.8.0_40  *@Date:   2017年4月13日 下午6:30:45 <br/> */ public class WebuploaderUtil {   private String allowSuffix = "jpg,png,gif,jpeg";//允许文件格式   private long allowSize = 2L;//允许文件大小   private String fileName;   private String[] fileNames;   public String getAllowSuffix() {     return allowSuffix;   }   public void setAllowSuffix(String allowSuffix) {     this.allowSuffix = allowSuffix;   }   public long getAllowSize() {     return allowSize*1024*1024;   }   public void setAllowSize(long allowSize) {     this.allowSize = allowSize;   }   public String getFileName() {     return fileName;   }   public void setFileName(String fileName) {     this.fileName = fileName;   }   public String[] getFileNames() {     return fileNames;   }   public void setFileNames(String[] fileNames) {     this.fileNames = fileNames;   }   /**    *     * @Title:    getFileNameNew     * @Description: TODO     * @param:    @return    * @return:   String    * @author:   刘云生    * @Date:    2017年4月14日 上午10:17:35      * @throws    */   private String getFileNameNew(){     SimpleDateFormat fmt = new SimpleDateFormat("yyyyMMddHHmmssSSS");     return fmt.format(new Date());   }   /**    *     * @Title:    uploads     * @Description: TODO     * @param:    @param files    * @param:    @param destDir    * @param:    @param request    * @param:    @throws Exception    * @return:   void    * @author:   刘云生    * @Date:    2017年4月14日 上午10:17:14      * @throws    */   public void uploads(MultipartFile[] files, String destDir,HttpServletRequest request) throws Exception {     String path = request.getContextPath();     String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path;     try {       fileNames = new String[files.length];       int index = 0;       for (MultipartFile file : files) {         String suffix = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")+1);         int length = getAllowSuffix().indexOf(suffix);         if(length == -1){           throw new Exception("请上传允许格式的文件");         }         if(file.getSize() > getAllowSize()){           throw new Exception("您上传的文件大小已经超出范围");         }         String realPath = request.getSession().getServletContext().getRealPath("/");         File destFile = new File(realPath+destDir);         if(!destFile.exists()){           destFile.mkdirs();         }         String fileNameNew = getFileNameNew()+"."+suffix;//         File f = new File(destFile.getAbsoluteFile()+"//"+fileNameNew);         file.transferTo(f);         f.createNewFile();         fileNames[index++] =basePath+destDir+fileNameNew;       }     } catch (Exception e) {       throw e;     }   }   /**    *     * @Title:    upload     * @Description: TODO     * @param:    @param file    * @param:    @param destDir    * @param:    @param request    * @param:    @throws Exception    * @return:   void    * @author:   刘云生    * @Date:    2017年4月14日 上午10:16:16      * @throws    */   public void upload(MultipartFile file, String destDir,HttpServletRequest request) throws Exception {     String path = request.getContextPath();     //http://localhost:8088/huahang    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path;     try {         String suffix = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")+1);         int length = getAllowSuffix().indexOf(suffix);         if(length == -1){           throw new Exception("请上传允许格式的文件");         }         if(file.getSize() > getAllowSize()){           throw new Exception("您上传的文件大小已经超出范围");         }         String realPath = request.getSession().getServletContext().getRealPath("/")+"/";         File destFile = new File(realPath+destDir);         if(!destFile.exists()){           destFile.mkdirs();         }         String fileNameNew = getFileNameNew()+"."+suffix;         File f = new File(destFile.getAbsoluteFile()+"/"+fileNameNew);         file.transferTo(f);         f.createNewFile();         //包含网站的全路径http://localhost:8080/QDLIMAP/upload/user/20170414104142667.png         //fileName = basePath+destDir+fileNameNew;         //返回相对路径upload/user/20170414104142667.png         fileName = destDir+fileNameNew;     } catch (Exception e) {       throw e;   } } }