I would grab the URL of the current JSP web page with its settings example: index.jsp? param = 12
Have you any idea? Thank you
I would grab the URL of the current JSP web page with its settings example: index.jsp? param = 12
Have you any idea? Thank you
您可以从HttpServlet请求
对象,该对象位于EL可通过${pageContext.request}
获得。?
之前的部分可通过getRequestURL()
方法和?
之后的部分可通过getQueryString()
方法。因此,简而言之:
<p>Request URL: ${pageContext.request.requestURL}</p>
<p>Query string: ${pageContext.request.queryString}</p>
<p>Full URL: ${pageContext.request.requestURL}?${pageContext.request.queryString}</p>
如果您想使用普通Java代码来完成此操作,最好使用Servlet。
String requestURL = request.getRequestURL().toString();
String queryString = request.getQueryString();
if (queryString != null) requestURL += "?" + queryString;
// ...
查看HttpServlet请求对象,您可以从JSP中以一个小册子的形式访问它(尽管这并不漂亮)。它有很多方法可以获取页面的URL,包括参数。感兴趣的方法有:
- getQueryString
- getRequestURI
- getRequestURL
和他们一起玩吧。
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