httpcomponents-client-4.5.4-bin.zip内含：httpclient-4.5.4.jarhttpmime-4.5.4.jarfluent-hc-4.5.4.jarhttpclient-cache-4.5.4.jarhttpclient-win-4.5.4.jarhttpcore-4.4.7.jarcommons-logging-1.2.jarcommons-codec-1.10.jarjna-4.4.0.jarjna-platform-4.4.0.jar官方说明：TheApacheHttpComponents™projectisresponsibleforcreatingandmain