spring 访问 Thymeleaf 模板中的会话属性
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Accessing session attributes in Thymeleaf templates
提问by Deepak Ramakrishnan Kalidass
I would like to know whether is it possile to retrieve the session object and access its attributes from a Thymeleaf template without any controller code.
我想知道是否可以在没有任何控制器代码的情况下从 Thymeleaf 模板中检索会话对象并访问其属性。
回答by Rafal Borowiec
In Thymeleaf, session object can be easily accessed in a template:
在 Thymeleaf 中，可以在模板中轻松访问会话对象：
- with a
sessionvariable:
- 带有
session变量：
${session.foo} // Retrieves the session atttribute 'foo'
${session.size()}
${session.isEmpty()}
${session.containsKey('foo')}
- with a
#ctxobject:
- 有一个
#ctx对象：
${#ctx.httpSession}
Look at the Thymeleaf documentation for accessing different context objects: http://www.thymeleaf.org/doc/tutorials/3.0/usingthymeleaf.html#expression-basic-objects
查看用于访问不同上下文对象的 Thymeleaf 文档：http: //www.thymeleaf.org/doc/tutorials/3.0/usingthymeleaf.html#expression-basic-objects
