HttpClient4.x使用中出现的几个问题及解决方法

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HttpClient httpClient = new DefaultHttpClient();

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HttpClient httpClient = HttpClientBuilder.create().build();

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// 创建HttpClientBuilder
HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
// HttpClient
CloseableHttpClient httpClient = httpClientBuilder.build();

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//创建代理
HttpHost proxy = new HttpHost("your proxy IP", port);
RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

//设置HttpPost/HttpGet使用代理
httpost.setConfig(config);

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try {
SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
//信任所有
public boolean isTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
return true;
}
}).build();
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext);
return HttpClients.custom().setSSLSocketFactory(sslsf).build();
} catch (KeyManagementException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (KeyStoreException e) {
e.printStackTrace();
}
return HttpClients.createDefault();
}