load加载层

1. //eg1
2. var index = layer.load();
3. //eg2
4. var index = layer.load(1); //换了种风格
5. //eg3
6. var index = layer.load(2, {time: 10*1000}); //又换了种风格，而且设定最长等待10秒
7. //关闭
8. layer.close(index);
10. https://www.layui.com/doc/modules/layer.html#layer.load