Serve a request by defining an object tree.
通过定义对象树为请求提供服务。
Single table: The object tree is mapped to one table.
单个表：对象树映射到一个表。
When you write an HTML page, you're actually writing an object tree.
在您编写HTML页面时，您实际上是在编写一个对象树。
When you write an HTML page, you're actually writing an object tree.
在您编写HTML页面时，您实际上是在编写一个对象树。
应用推荐