[DAY19]旋转木马(02)

Column object for carousel
thumbnailImageUrl
String Optional
Image URL (Max character limit: 2,000)
HTTPS over TLS 1.2 or later
JPEG or PNG
Aspect ratio: 1:1.51
Max width: 1024px
Max file size: 10 MB
Recommended file size
To avoid delays in displaying messages, keep the size of individual image files small (1 MB or less recommended).
当我们选择contain时图片的背景颜色可以用色码填满背景
imageBackgroundColor
String Optional
Background color of the image. Specify a RGB color value. The default value is #FFFFFF (white).

title
String Optional
Title
Max character limit: 40

text
String Required
Message text
Max character limit: 120 (no image or title)
Max character limit: 60 (message with an image or title)

defaultAction
Action object Optional
Action when image, title or text area is tapped.
栏位内的选项最多只能有3个
actions
Array of action objects Required
Action when tapped
Max objects: 3
保持所有栏位的Action数量一致。 如果一个栏位有使用图像或标题，请确保对所有其他栏位都有相同操作