春季EL支持一些预先确定的变量
{#systemProperties. ... }
{#systemEnvironment. ... }
{#request. ...}
{#session. ...}
The first two once are documented in the Spring Reference: chapter 6. Spring Expression Language (SpEL). The two others are not mentioned in the Spring Reference (or I did not found them.) (I found them in this slides, as well as its usage in spring social and this question).
www.un.org/Depts/DGACM/index_spanish.htm 因此,我的问题是:是否有一个或多或少完整的预设的春季-轮变量清单?
我猜测,这些预先界定的变量中有些并非由春季核心本身来界定,而是通过“启动”一些模块,如春季-mvc。 因此,我对“上查阅。