request.getRequestURI() 、request.getRequestURL() 、request.getContextPath()、request.getServletPath()区别

request.getRequestURI() 、request.getRequestURL() 、request.getContextPath()、request.getServletPath()区别

request.getRequestURI() /jqueryWeb/resources/request.jsp
request.getRequestURL() http://localhost:8080/jqueryWeb/resources/request.jsp
request.getContextPath()/jqueryWeb
request.getServletPath()/resources/request.jsp


注： resources为WebContext下的目录名
jqueryWeb 为工程名

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<%=request.getRequestURI() %><br/>
<%=request.getRequestURL() %><br/>
<%=request.getContextPath()%><br/>
<%=request.getServletPath() %><br/>
<%=request.getPathInfo() %><br/>
结果：
/test-struts.jsp
http://127.0.0.1:8080/test-struts.jsp

/test-struts.jsp
null

配置：
<action name="test" class="testStrutsAction" method="test"> 
   <result>/test-struts.jsp</result>
</action>