Java Servlet路径信息包含空字符串
我有以下servlet:Java Servlet路径信息包含空字符串,java,jakarta-ee,servlets,url-mapping,Java,Jakarta Ee,Servlets,Url Mapping,我有以下servlet: @WebServlet("/publication/topic/*") public class ViewTopicPublicationsServlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) { String[] pathInfo = request.getPathInfo().s
@WebServlet("/publication/topic/*")
public class ViewTopicPublicationsServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) {
String[] pathInfo = request.getPathInfo().split("/");
System.out.println(Arrays.toString(pathInfo));
...
}
}
例如,如果我有这样的url:
http://localhost:8080/bulletinboard/publication/topic/SALE
我想省略空字符串。因此,pathInfo
导致了[SALE]
而不是[,SALE]
如何实现这一点?您可以省略第一个字符,因为它始终是斜杠:
request.getPathInfo().substring(1).split("/")