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servlet里经常会用到一些GET方法

2009-07-03 09:26 393 查看

servlet里经常会用到一些GET方法
refer: http://hi.baidu.com/atomicface/blog/item/de62ac10c099c8cea6ef3f5b.html
2009-05-18 14:04

servlet里经常会用到一些GET方法，容易弄混，把它们记在这儿了。

servletContext.getContextPath()=
servletContext.getRealPath("/")=F:/ess-branch/web/
servletContext.getRealPath("")=F:/ess-branch/web
servletContext.getContextPath()=
servletContext.getServerInfo()=Apache Tomcat/6.0.18
servletContext.getResource("/")=jndi:/localhost/
httpServletRequest.getContextPath()=
httpServletRequest.getLocalAddr()=127.0.0.1
httpServletRequest.getLocalName()=localhost
httpServletRequest.getLocalPort()=8090
httpServletRequest.getPathInfo()=null
httpServletRequest.getPathTranslated()=null
httpServletRequest.getProtocol()=HTTP/1.1
httpServletRequest.getQueryString()=null
httpServletRequest.getRealPath("")已过时=F:/ess-branch/web
httpServletRequest.getRemoteAddr()=127.0.0.1
httpServletRequest.getRemoteHost()=127.0.0.1
httpServletRequest.getRemotePort()=3288
httpServletRequest.getRemoteUser()=null
httpServletRequest.getRequestURI()=/support/indexinfo/uploadPicture.htm
httpServletRequest.getRequestURL()=http://localhost:8090/support/indexinfo/uploadPicture.htm
httpServletRequest.getScheme()=http
httpServletRequest.getServerName()=localhost
httpServletRequest.getServerPort()=8090
httpServletRequest.getServletPath()=/support/indexinfo/uploadPicture.htm
httpServletRequest.getUserPrincipal()=null

ServletContext servletContext = ActionContext.getServletContext();
HttpServletRequest httpServletRequest = ActionContext.getRequest();
if (servletContext == null) {
System.out.println("servletContext is null");
}
if (httpServletRequest == null) {
System.out.println("httpServletRequest is null");
}
System.out.println("servletContext.getContextPath()="
+ servletContext.getContextPath());

System.out.println("servletContext.getRealPath(/"//")="
+ servletContext.getRealPath("/"));
System.out.println("servletContext.getRealPath(/"/")="
+ servletContext.getRealPath(""));
System.out.println("servletContext.getContextPath()="
+ servletContext.getContextPath());
System.out.println("servletContext.getServerInfo()="
+ servletContext.getServerInfo());

try {
System.out.println("servletContext.getResource(/"//")="
+ servletContext.getResource("/"));
}
catch (MalformedURLException e) {
e.printStackTrace();
}
// httpServletRequest
System.out.println("httpServletRequest.getContextPath()="
+ httpServletRequest.getContextPath());
System.out.println("httpServletRequest.getLocalAddr()="
+ httpServletRequest.getLocalAddr());
System.out.println("httpServletRequest.getLocalName()="
+ httpServletRequest.getLocalName());
System.out.println("httpServletRequest.getLocalPort()="
+ httpServletRequest.getLocalPort());
System.out.println("httpServletRequest.getPathInfo()="
+ httpServletRequest.getPathInfo());
System.out.println("httpServletRequest.getPathTranslated()="
+ httpServletRequest.getPathTranslated());
System.out.println("httpServletRequest.getProtocol()="
+ httpServletRequest.getProtocol());
System.out.println("httpServletRequest.getQueryString()="
+ httpServletRequest.getQueryString());
System.out.println("httpServletRequest.getRealPath(/"/")已过时="
+ httpServletRequest.getRealPath(""));
System.out.println("httpServletRequest.getRemoteAddr()="
+ httpServletRequest.getRemoteAddr());
System.out.println("httpServletRequest.getRemoteHost()="
+ httpServletRequest.getRemoteHost());
System.out.println("httpServletRequest.getRemotePort()="
+ httpServletRequest.getRemotePort());
System.out.println("httpServletRequest.getRemoteUser()="
+ httpServletRequest.getRemoteUser());
System.out.println("httpServletRequest.getRequestURI()="
+ httpServletRequest.getRequestURI());
System.out.println("httpServletRequest.getRequestURL()="
+ httpServletRequest.getRequestURL());
System.out.println("httpServletRequest.getScheme()="
+ httpServletRequest.getScheme());
System.out.println("httpServletRequest.getServerName()="
+ httpServletRequest.getServerName());
System.out.println("httpServletRequest.getServerPort()="
+ httpServletRequest.getServerPort());
System.out.println("httpServletRequest.getServletPath()="
+ httpServletRequest.getServletPath());
System.out.println("httpServletRequest.getUserPrincipal()="
+ httpServletRequest.getUserPrincipal());

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