It’s not safe to travel by standing at the roadside hoping to be picked up by passing motorists.

站在路边便车,这样旅行并不安全。

In this example the Assembler class getTable method will be called by passing in a Map, with the form parameters, along with the HttpServletRequest.

简而言之（In a nutshell）创建（create）许当方法被调用时，参照构建表需要的POJO。名（signature）明了被调用方法使用的实际类型。