httpclient-4.5所需jar包，里面包含httpclient-4.5.jar等等10个必须的开发包//importorg.apache.commons.httpclient.Cookie;//importorg.apache.commons.httpclient.HttpClient;//importorg.apache.commons.httpclient.NameValuePair;//importorg.apache.commons.httpclient.cookie.CookiePolicy;//importorg.apache.commons.httpc