HttpClientParams clientParams = new HttpClientParams();
// 忽略cookie 避免 Cookie rejected 警告
clientParams.setCookiePolicy(CookiePolicy.IGNORE_COOKIES);
client = new org.apache.commons.httpclient.HttpClient(clientParams, connectionManager);
Protocol myhttps = new Protocol("https", new MySSLSocketFactory(), 443);
Protocol.registerProtocol("https", myhttps);
this.maxSize = maxSize;
// 支持proxy
if (proxyHost != null && !proxyHost.equals("")) {
client.getHostConfiguration().setProxy(proxyHost, proxyPort);