Java JSP 表达式语言获取参数
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JSP Expression Language get parameter
提问by Victor2748
I am trying to get a Stringparameter "username"from the requestwith Expression Language.
I've done some research, but couldn't find a way to do so, I would like something similar to ${pageContext.request.parameter.username}
我正在尝试从with Expression Language获取String参数。我已经做了一些研究，但找不到这样做的方法，我想要类似的东西"username"request${pageContext.request.parameter.username}
How get a specific request parameter, using only expression language?
如何仅使用表达式语言获取特定请求参数？
采纳答案by CE ZHANG
If get an attribute from 'session', try this ${username}.
如果从 'session' 获取一个属性，试试这个 ${username}。
If get an parameter from 'request', try this ${param.username}.
如果从 'request' 得到一个参数，试试这个 ${param.username}。
回答by Santhosh
The syntax to get the attributes from session would be,
从会话中获取属性的语法是，
${sessionScope[name]}
And for the request attributes , you can use
对于请求属性，您可以使用
${param[name]}
For more info,
欲了解更多信息，
