HttpClient相关包

import com.google.gson.JsonArray; import com.google.gson.JsonObject; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams;