var data = new FormData();

data.append('file', file);

data.append('app', 'goods');

$.ajax({

        url:"http://www.wangh.com/index.php",

        dataType:"json",

        type:'post',

        data:data,

        cache: false,

        contentType: false,

        processData: false,

        success:function(res){

            console.log('图片上传成功');

            console.log('res:'+res);

            if(res.code == ){

                console.log('上传_ok!');

            } else{

                console.log('上传_err!');

                alert(res.msg);

                return false;

            }

        },error: function () {

            console.log('图片上传失败');

            alert('图片上传失败');

            return false;

        }

    });

//如果需要设置允许所有域名发起的跨域请求，可以使用通配符 *

header("Access-Control-Allow-Origin: *");

$log = $_FILES;

file_put_contents('log.txt',json_encode($log),FILE_APPEND);

$imgname = $_FILES['file']['name'];

$tmp = $_FILES['file']['tmp_name'];

$filepath = './uimg/'.rand(999,100000000000);

file_put_contents('log.txt','img_name:',$filepath.$imgname);

if(move_uploaded_file($tmp,$filepath.$imgname)){

    file_put_contents('log.txt','上传成功',FILE_APPEND);

    $data_result = array(

        'code'      => 0 ,

        'message'   => 'this is ok'

    );

}else{

    file_put_contents('log.txt','上传失败',FILE_APPEND);

    $data_result = array(

        'code'      => 0 ,

        'message'   => 'this is err'

    );

}
echo json_encode($data_result);