下面方法分别返回:
getRequestURI返回:/FirstMod/checkurl
getRequestURL返回:http://localhost:8080/FirstMod/checkurl
getPathInfo返回:null
getServletPath返回:/checkurl
getContextPath返回:/FirstMod
getContentType返回:application/x-www-form-urlencoded
getAuthType返回:null
getPathTranslated返回:null
getRemoteAddr返回:127.0.0.1
getRemoteUser返回:null
getRemoteHost返回:127.0.0.1
getServerName返回:localhost
getScheme返回:http
getHeaderNames返回:org.apache.catalina.util.Enumerator@16bd8ea
getScheme返回:http
HttpUtils.getRequestURL(request).toString()返回:http://localhost:8080/FirstMod/checkurl
getRequestURI返回:/FirstMod/checkurl
getRequestURL返回:http://localhost:8080/FirstMod/checkurl
getPathInfo返回:null
getServletPath返回:/checkurl
getContextPath返回:/FirstMod
getContentType返回:application/x-www-form-urlencoded
getAuthType返回:null
getPathTranslated返回:null
getRemoteAddr返回:127.0.0.1
getRemoteUser返回:null
getRemoteHost返回:127.0.0.1
getServerName返回:localhost
getScheme返回:http
getHeaderNames返回:org.apache.catalina.util.Enumerator@16bd8ea
getScheme返回:http
HttpUtils.getRequestURL(request).toString()返回:http://localhost:8080/FirstMod/checkurl