request.getRequestURL

request.getRequestURL() 返回全路径

request.getRequestURI() 返回除去host(域名或者ip)部分的路径

request.getContextPath() 返回工程名部分,如果工程映射为/,此处返回则为空

request.getServletPath() 返回除去host和工程名部分的路径

例如:


request.getRequestURL() http://localhost:8088/jLearn/resources/request.jsp 
request.getRequestURI() /Learn/resources/request.jsp
request.getContextPath()/jqueryLearn 
request.getServletPath()/resources/request.jsp 

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转载自www.cnblogs.com/fdy-study-consist/p/12359422.html