keditor_php图片上传

html：

<div class="form-group">
                           <label class="col-md-2 control-label">文章内容：</label>
                           <div class="col-md-9">
                               (分页符为：
                               <span style="color: red">#p#分页-标题#e#)</span>
                               <span>
                               <label>
                               <input id="autolitpic" type="checkbox">
                               提取第一个图片为缩略图
                               </label>
                               (
                               <a class="qximg" href="javascript:void();">[取消缩略图]</a>
                               )
                               </span>
                           <span style="color: red">*</span>
                           <div class="onShow" id="dr_content_tips">必填项,可无限输入,没有字数限制.</div>
                              <label class="textarea"><textarea name="content" id="content" class="content" onblur="content_validate()">{$info.content|default=''}</textarea>
                               <input type="hidden" name="parse" value="0"> <script
                                   type="text/javascript">
                                   var editor_content1;
                                   KindEditor.ready(function(K) {
                                       editor_content1 = K.create('textarea[name="content"]', {
                                           allowFileManager : false,
                                           themesPath: K.basePath,
                                           '900px',
                                           height: '700px',
                                           resizeType: 1,
                                           pasteType : 2,
                                           urlType : 'absolute',
                                           cssPath : '/statics/js/kindeditor/plugins/code/prettify.css',
                                           uploadJson : '{:U('ke_upimg')}',
                                           afterCreate : function() {
                                               this.sync();
                                                  },
                                           afterBlur:function(){
                                                 this.sync();
                                               }
                                       });
                                       prettyPrint();
                                   });
                                   </script>
                           </label>
                       </div>
                       </div>

//后台代码

//keditor编辑器上传图片处理
    public function ke_upimg(){
       /* 返回标准数据 */
       $return = array('error' => 0, 'info' => '上传成功', 'data' => '');
       $img = $this->upload();
       /* 记录附件信息 */
       if($img){
           $return['url'] = $img['fullpath'];
           unset($return['info'], $return['data']);
       } else {
           $return['error'] = 1;
           $return['message'] = session('upload_error');
       }

       /* 返回JSON数据 */
       exit(json_encode($return));
    }


        /* 上传图片 */
    public function upload(){
       session('upload_error', null);
       /* 上传配置 */
       $setting = C('EDITOR_UPLOAD');

       /* 调用文件上传组件上传文件 */
       $config = array(
           'maxSize' => 3145728,
           'savePath' => './news/',
           'saveName' => array('uniqid',''),
           'exts' => array('jpg', 'gif', 'png', 'jpeg'),
           'autoSub' => true,
           'subName' => array('date','Ymd'),
       );
       $this->uploader = new ThinkUpload($config, 'Local');
       $info = $this->uploader->upload($_FILES);
       //Log::write(print_r($info));
       if($info){
           $url = '/Uploads'.$info['imgFile']['savepath'].$info['imgFile']['savename'];
           $url = str_replace('./', '/', $url);
           $info['fullpath'] = __ROOT__.$url;
       }

       session('upload_error', $this->uploader->getError());

       return $info;
    }

   /**
     * 上传图片
     */
    public function uploadPicture(){
        //TODO: 用户登录检测
        /* 返回标准数据 */
        $return = array('status' => 1, 'info' => '上传成功', 'data' => '');

        $config = array(
               'maxSize' => 3145728,
               'savePath' => './news/',
               'saveName' => array('uniqid',''),
               'exts' => array('jpg', 'gif', 'png', 'jpeg'),
               'autoSub' => true,
               'subName' => array('date','Ymd'),
        );
        $this->uploader = new ThinkUpload($config, 'Local');
        $info = $this->uploader->upload($_FILES);

        /* 记录图片信息 */
        if($info){
           $url = '/Uploads'.$info['download']['savepath'].$info['download']['savename'];
           $url = str_replace('./', '/', $url);
           $return['path'] = __ROOT__.$url;
           $return['id'] = 111;
            $return['status'] = 1;
            $return = array_merge($info['download'], $return);
        } else {
            $return['status'] = 0;
            $return['info']   = $this->uploader->getError();
        }

        /* 返回JSON数据 */
        $this->ajaxReturn($return);
    }

js脚本，提取第一张图片：

//获取第一张图片
$('#autolitpic').click(function (){
    if($(this).attr('checked')){
       $(this).attr('checked',false);
    }else {
       $(this).attr('checked',true);
       var content=$('.content').val();
       if(content.match(/src="[^"]+"/g)==null){
            alert('文章内容没有图片');
            return;
          }else{
               var strcount=content.match(/src="[^"]+"/g)[0].replace("src="","");
               var val=strcount.substring(0,strcount.length-1).replace("http://cb2013.tdedu.org","");
               $("#thumb_img").attr('src',val);
               $("#img").val(val);
           }
        }
    });

//取消缩略图
$('.qximg').click(function (){
    $("#thumb_img").attr('src',"");
    $("#img").val("");
});