1、request.getRequestURL()
返回的是完整的url,包括Http协议,端口号,servlet名字和映射路径,但它不包含请求参数。 2、request.getRequestURI()
得到的是request URL的部分值,并且web容器没有decode过的
3、request.getContextPath() 返回 the context of the request.
4、request.getServletPath() 返回调用servlet的部分url.
5、request.getQueryString() 返回url路径后面的查询字符串
示例:
当前url:http://localhost:8080/CarsiLogCenter_new/idpstat.jsp?action=idp.sptopn
request.getRequestURL() http://localhost:8080/CarsiLogCenter_new/idpstat.jsp request.getRequestURI() /CarsiLogCenter_new/idpstat.jsp request.getContextPath()/CarsiLogCenter_new request.getServletPath() /idpstat.jsp
request.getQueryString()action=idp.sptopn
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