<script>

$(function(){

    $('#filephoto').change(function(imgFile){

        console.log(imgFile)

        var filextension = imgFile.target.value.substring(imgFile.target.value.lastIndexOf("."), imgFile.target.value.length);

        filextension = filextension.toLowerCase();

        var file = imgFile.target.files[0], fileSize = 0;

        fileSize = file.size / 1024

        if (fileSize > 2048) {

            layer.msg('不能超过2mb')

            return false;

        }

        if ((filextension != '.jpg') && (filextension != '.gif') && (filextension != '.jpeg') && (filextension != '.png') && (filextension != '.bmp')) {

            layer.msg('对不起，系统仅支持标准格式的照片，请您调整格式后重新上传，谢谢!')

            return false;

        }

        var _this = this;

        var fd = new FormData();

        fd.append("filephoto", file);//$_FILES['filephoto']['tmp_name'];

        $.ajax({

            type: 'post',

            url: 'url',

            data:fd,

            processData: false,

            contentType: false,

            dataType: 'json',

        }).done(function (data) {

            if(data.returnNo == '0000') {

                $("#div_photo").css("background-image","url("+data.user_info.photo+")");

            } else {

                layer.msg(data.returnInfo);

            }

        });

    });

});

</script>