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JSP中与路径相关的常用的几个方法

2010-10-04 18:52 417 查看

虽然很简单，但是很全，有时候很久没用好了还真是记不住，所以转载过来了。

     http:/localhost/123/jsp/test.jsp:

<%@pagelanguage="java"pageEncoding="UTF-8"%>
[code] 
<%@tagliburi="http://struts.apache.org/tags-bean"prefix="bean"%>
<%@tagliburi="http://struts.apache.org/tags-html"prefix="html"%>
<%@tagliburi="http://struts.apache.org/tags-logic"prefix="logic"%>
<%@tagliburi="http://struts.apache.org/tags-tiles"prefix="tiles"%>




<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01Transitional//EN">


<html:htmllang="true">


<head>


<html:base/>




<title>test.jsp</title>




<metahttp-equiv="pragma"content="no-cache">


<metahttp-equiv="cache-control"content="no-cache">


<metahttp-equiv="expires"content="0">


<metahttp-equiv="keywords"content="keyword1,keyword2,keyword3">


<metahttp-equiv="description"content="Thisismypage">


<!--


<linkrel="stylesheet"type="text/css"href="styles.css">


-->




</head>




<body>


<p>


<h2>application-javax.servlet.ServletContext</h2>


application.getRealPath("/")<%=application.getRealPath("/")%><br>


application.getMajorVersion()-<%=application.getMajorVersion()%><br>


application.getMimeType("txt")-<%=application.getMimeType("txt")%><br>


application.getServerInfo()-<%=application.getServerInfo()%><br>


application.getServletContextName()-<%=application.getServletContextName()%><br>


application.getContext()


</p>




<p>


<h2>config-javax.servlet.ServletConfig</h2>


config.getServletName()-<%=config.getServletName()%><br>


config.getServletContext()<br>


</p>




<p>


<h2>pageContext-javax.servlet.jsp.PageContext</h2>


pageContext.getRequest()（JSP中的requset隐式对象）<br>


pageContext.getResponse()（JSP中的response隐式对象）<br>


pageContext.getServletConfig()（JSP中的config隐式对象）<br>


pageContext.getServletContext()（JSP中的application隐式对象）<br>


pageContext.getException()（JSP中的exception隐式对象）<br>


pageContext.getSession()（JSP中的session隐式对象）<br>


pageContext.getOut()（JSP中的out隐式对象）


</p>




<p>


<h2>request-javax.servlet.http.HttpServletRequest</h2>


request.getLocalAddr()-<%=request.getLocalAddr()%><br>


request.getServletPath()-<%=request.getServletPath()%><br>


request.getContextPath()-<%=request.getContextPath()%><br>


request.getLocalName()-<%=request.getLocalName()%><br>


request.getLocalPort()-<%=request.getLocalPort()%><br>


request.getPathInfo()-<%=request.getPathInfo()%><br>


request.getProtocol()-<%=request.getProtocol()%><br>


request.getQueryString()-<%=request.getQueryString()%><br>


request.getRemoteAddr()-<%=request.getRemoteAddr()%><br>


request.getRemoteHost()-<%=request.getRemoteHost()%><br>


request.getRemotePort()-<%=request.getRemotePort()%><br>


request.getRemoteUser()-<%=request.getRemoteUser()%><br>


request.getRequestedSessionId():<%=request.getRequestedSessionId()%><br>


request.getRequestURI()-<%=request.getRequestURI()%><br>


request.getRequestURL()-<%=request.getRequestURL()%>


</p>




<p>


<h2>session-javax.servlet.http.HttpSession</h2>


session.getServletContext()


</p>




</body>


</html:html>


客户端显示如下：
application-javax.servlet.ServletContext
application.getRealPath("/")F:\workspace\tomcat\123\
application.getMajorVersion()-2
application.getMimeType("txt")-null
application.getServerInfo()-ApacheTomcat/5.0.30
application.getServletContextName()-null
application.getContext()
config-javax.servlet.ServletConfig
config.getServletName()-jsp
config.getServletContext()
pageContext-javax.servlet.jsp.PageContext
pageContext.getRequest()
pageContext.getResponse()
pageContext.getServletConfig()
pageContext.getServletContext()
pageContext.getException()
pageContext.getSession()
pageContext.getOut()
request-javax.servlet.http.HttpServletRequest
request.getLocalAddr()-127.0.0.1
request.getServletPath()-/jsp/test.jsp
request.getContextPath()-/123
request.getLocalName()-127.0.0.1
request.getLocalPort()-80
request.getPathInfo()-null
request.getProtocol()-HTTP/1.1
request.getQueryString()-null
request.getRemoteAddr()-127.0.0.1
request.getRemoteHost()-127.0.0.1
request.getRemotePort()-1211
request.getRemoteUser()-null
request.getRequestedSessionId():5AFAE9C0A164621D4F8E0DAF2F253C92
request.getRequestURI()-/123/jsp/test.jsp
request.getRequestURL()-http://localhost/123/jsp/test.jsp
session-javax.servlet.http.HttpSession
session.getServletContext()
注：
http://localhost/123/taglib/html/result.jsp中使用以下方法
request.getServletPath():返回request的请求路径的相对于应用程序的相对路径
request.getContextPath()返回应用程序上下文相对路径
this.getRealPath(Stringstr)返回UIL中str对应于本地磁盘的绝对路径
request.getLocalAddr()返回服务器IP地址

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