org.apache.commons.csv.CSVRecord;
org.apache.commons.httpclient.Header;
org.apache.commons.lang3.ArrayUtils;
org.apache.http.client.methods.CloseableHttpResponse;
org.apache.http.client.methods.HttpGet;
org.apache.http.client.methods.HttpPost;
org.apache.http.client.methods.HttpPut;
org.apache.http.entity.StringEntity;
org.apache.http.impl.client.CloseableHttpClient;
org.apache.http.impl.client.HttpClients;
org.apache.http.util.EntityUtils;
原文：http://www.cnblogs.com/crazytester/p/7611807.html