在Ruby on Rails的，什么是创造，创造的区别！和API文档没有它？
问题描述：
ActiveRecord的有创建有的人用创造！ ...这是不是创造！可以抛出一个异常，而创建不？我找不到创造！的
目前Rails的API文档...
ActiveRecord has create and some people use create!... Is it that create! can raise an exception while create doesn't? I can't find create! in
the current Rails API docs...
答
是创造！将提高对故障异常，创建刚刚返回false。文件位置：
Yes, create! will raise an exception on failure, create just returns false. Documentation here:
http://api.rubyonrails.org/classes/ActiveRecord/Validations/ClassMethods.html#method-i-create-21