layer开启与关闭加载层

// 开启加载层
layer.load(2, {
	shade: [0.6, '#fff'], content: '数据加载中...', success: function (layero) {
		layero.find('.layui-layer-content').css({
			'padding-top': '6px',
			'width': '150px',
			'padding-left': '40px'
		});
		layero.find('.layui-layer-ico16, .layui-layer-loading .layui-layer-loading2').css({
			'width': '150px !important',
			'background-position': '2px 0 !important'
		});
	}
});

//关闭加载层
layer.closeAll('loading');