httpclien调用webservice_hanCSDN_20130427

import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.SimpleHttpConnectionManager;import org.apache.commons.httpclient.methods.GetMethod;import com.zrar.system.Log;public class HttpClientGetJson {public static final String CHARSET = "UTF-8";public String getJsonFromWs(String url) {//String retJsonStr = "";StringBuffer sbf = new StringBuffer();HttpClient httpClient = new HttpClient();GetMethod method = new GetMethod(url);try{/*method.addRequestHeader("Content-Type", "text/html;charset=UTF-8");*/Log.print("开始连接WEBSERVICE服务端！");httpClient.executeMethod(method);//retJsonStr = method.getResponseBodyAsString();InputStream ins = method.getResponseBodyAsStream();//转换编码BufferedReader br = new BufferedReader(new InputStreamReader(ins,CHARSET));String line = null;while ((line = br.readLine()) != null){sbf.append(line);}br.close();/*System.out.println(sbf.toString());*/Log.print("结束WEBSERVICE服务端连接！");}catch(Exception e){e.printStackTrace();Log.print("从WEBSERVICE服务端获取json格式数据字符串错误！");}finally{//关闭连接method.releaseConnection();httpClient.getHttpConnectionManager().closeIdleConnections(0);}return sbf.toString();}}