实例详解webuploader实现图片批量上传功能

<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="${proName }"
          placeholder="" id="" name="proName" readonly="readonly">
      </div>
    </div>
    <div class="row cl">
      <label class="form-label col-xs-4 col-sm-2">缩略图：</label>
      <div class="formControls col-xs-8 col-sm-9">
        <div class="uploader-thum-container">
          <div id="fileList" class="uploader-list"></div>
          <div id="filePicker">选择图片</div>
          <button id="btn-star"
            class="btn btn-default btn-uploadstar radius ml-10">开始上传</button>
        </div>
      </div>
    </div>
    <div class="row cl">
      <label class="form-label col-xs-4 col-sm-2"><span
        class="c-red">*</span>项目发票上传：</label>
      <div class="formControls col-xs-8 col-sm-9">
        <div class="uploader-list-container">
          <div class="queueList">
            <div id="dndArea" class="placeholder">
              <div id="filePicker-2"></div>
              <p>或将照片拖到这里，单次最多可选300张</p>
            </div>
          </div>
          <div class="statusBar" >
            <div class="progress">
              <span class="text">0%</span> <span class="percentage"></span>
            </div>
            <div class="info"></div>
            <div class="btns">
              <div id="filePicker2"></div>
              <div class="uploadBtn">开始上传</div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <div class="row cl">
      <div class="col-xs-8 col-sm-9 col-xs-offset-4 col-sm-offset-2">
        <button
          onClick="article_add('','invoiceVo/save?&projectId=${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 = $(
                      '<div class="progress-box"><span class="progress-bar radius"><span class="sr-only" ></span></span></div>')
                      .appendTo($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%" >'
                  + '<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; 
  } 
} 
}