ajax上传图片

$('.file').change(function(){
                var formData = new FormData();
                for(x in $(this)[0].files){
                    formData.append("file",$(this)[0].files[x]);
                }
                $.ajax({
                    url : "/upload/uploadFile.do",type : "post",cache: false,data: formData,dataType:"json",processData: false,contentType: false,success: function(result){
                        if(result.code == "1" && result.data){
                            //bootbox.alert("文件上传成功！");
                            $('.uploadImageSuccess').show().attr('src',imgPath+'/'+result.data[0])
                            $('[name=infoImgUrl]').val(result.data[0]);
                        } else {
                            bootbox.alert(result.msg);
                        }
                    }});

            });

});