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基于thinkphp的uploadify上传图功能

php Action 服务器端



/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */


/**
 * Description of UploadAction
 *
 * @author hxwj
 */
class UploadAction extends CommonAction{
    public function _initialize(){
        //此处为解决Uploadify在火狐下出现http 302错误 重新设置SESSION
        $session_name = session_name();
        if (isset($_POST[$session_name])) {
            session_id($_POST[$session_name]);
            session_start();
        }
    }

    public function upload(){
                import("ORG.Net.UploadFile");
                //导入上传类
                if($_FILES){
                    $upload = new UploadFile();
                    //设置上传文件大小
                    $upload->maxSize = 204800;
                    //设置上传文件类型
                    $upload->allowExts  = array('jpg', 'gif', 'png', 'jpeg');
                    //设置附件上传目录
                    $upload->thumb = true;
                    $upload->thumbPrefix = 'm_';  //生产2张缩略图
                    //设置缩略图最大宽度
                    $upload->thumbMaxWidth = '400,100';
                    //设置缩略图最大高度
                    $upload->thumbMaxHeight = '400,100';
                    $upload->savePath = './Uploads/shunongjj/';
                    //设置需要生成缩略图,仅对图像文件有效


                    // 设置引用图片类库包路径
                    //删除原图
                    //$upload->thumbRemoveOrigin = true;
                    if (!$upload->upload()) {
                        //捕获上传异常
                        //$this->error($upload->getErrorMsg());
                        $data['status']='0';
                        $this->ajaxReturn($data,'json');
                    } else {
                        //取得成功上传的文件信息
                        $info =  $upload->getUploadFileInfo();
                        $imgpath = '/Uploads/shunongjj/'.$info[0]['savename'];
                        $data['picurl'] = $imgpath;
                        $data['status']='100';
                        $this->ajaxReturn($data,'json');
                    }
                }
    }
    /*
     * 无缩略图
     */
     public function upload_wsl(){
                import("ORG.Net.UploadFile");
                //导入上传类
                if($_FILES){
                    $upload = new UploadFile();
                    //设置上传文件大小
                    $upload->maxSize = 204800;
                    //设置上传文件类型
                    $upload->allowExts  = array('jpg', 'gif', 'png', 'jpeg');
                    //设置附件上传目录
                    $upload->savePath = './Uploads/shunongjj/';
                    //设置需要生成缩略图,仅对图像文件有效


                    // 设置引用图片类库包路径
                    //删除原图
                    //$upload->thumbRemoveOrigin = true;
                    if (!$upload->upload()) {
                        //捕获上传异常
                       //$this->error($upload->getErrorMsg());
                        $data['status']='0';
                        return false;
                       //  $this->ajaxReturn("","上传失败","");
                    } else {
                        //取得成功上传的文件信息
                        $info =  $upload->getUploadFileInfo();
                        return $imgpath = '/Uploads/shunongjj/'.$info[0]['savename'];
                    }
                }
    }
    /*
     * 公司轮换首页图片
     */
     public function upload_index(){
                import("ORG.Net.UploadFile");
                //导入上传类
                if($_FILES){
                    $upload = new UploadFile();
                    //设置上传文件大小
                    $upload->maxSize = 204800;
                    //设置上传文件类型
                    $upload->allowExts  = array('jpg', 'gif', 'png', 'jpeg');
                    //设置附件上传目录
                    $upload->savePath = './Uploads/shunongjj/';
                    //设置需要生成缩略图,仅对图像文件有效


                    // 设置引用图片类库包路径
                    //删除原图
                    //$upload->thumbRemoveOrigin = true;
                     if (!$upload->upload()) {
                        //捕获上传异常
                        //$this->error($upload->getErrorMsg());
                        $data['status']='0';
                        $this->ajaxReturn($data,'json');
                    } else {
                        //取得成功上传的文件信息
                        $info =  $upload->getUploadFileInfo();
                        $imgpath = '/Uploads/shunongjj/'.$info[0]['savename'];
                        $data['picurl'] = $imgpath;
                        $data['status']='100';
                        $this->ajaxReturn($data,'json');
                    }
                }
    }
}


?>



模板  tpl  端

html

 (图片上传规范:176*107)


js



/**
                 * uploadify插件上产图片
                 */
                $("#file_upload").uploadify({
                    //指定swf文件
                    'swf': '__PUBLIC__/uploadify/uploadify.swf',
                    //后台处理的页面
                    'uploader': '{:U("Upload/upload")}',
                    //按钮显示的文字
                    'buttonText': '上传图片',
                    //显示的高度和宽度,默认 height 30;width 120
                    //'height': 15,
                    //'width': 80,
                    //上传文件的类型  默认为所有文件    'All Files'  ;  '*.*'
                    //在浏览窗口底部的文件类型下拉菜单中显示的文本
                    'fileTypeDesc': 'Image Files',
                    //允许上传的文件后缀
                    'fileTypeExts': '*.gif; *.jpg; *.png',
                    //发送给后台的其他参数通过formData指定
                    //'formData': { 'someKey': 'someValue', 'someOtherKey': 1 },
                    //上传文件页面中,你想要用来作为文件队列的元素的id, 默认为false  自动生成,  不带#
                    //'queueID': 'fileQueue',
                    //选择文件后自动上传
                    'auto': true,
                    //设置为true将允许多文件上传
                    'onUploadSuccess': function(file, data, response){
    var data = $.parseJSON(data);
                       if(data.status==100) {
                         $("#img_show").html("基于thinkphp的uploadify上传图效能");
                         $("#img_url").val(data.picurl);
                       }else{
                         alert("上传失败,可能是您上传的图片大小不符合规范,请重试!");
                       }
    }
               });
            });


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