(1)單行註釋: ## This is a single line comment. (2)多行註釋: #* Thus begins a multi-line comment. Online visitors won’t see this text because the Velocity Templating Engine will ignore it. *# (3)文檔格式: #** This is a VTL comment block and may be used to store such information as the document author and versioning information: @version 1.1 @author xiao *#