HttpClient通过GET和POST获取网页内容
中国银行支付网关---银行回调的接口
最简单的HTTP客户端,用来演示通过GET或者POST方式访问某个页面
/** * 中国银行支付网关---银行回调的接口 * @svncode svn://10.210.71.10/sinapay_bank/src/java/cn/com/sina * @package cn.com.sina.pay.Bank.BOC * @author yuchao1@staff.sina.com.cn * @date 20101014 * @access limited by password * @reference cn.com.sina.pay.ICBC * */ import java.io.*; import java.util.*; import org.jdom.Document; import org.jdom.Element; import org.jdom.Namespace; import org.jdom.JDOMException; import org.jdom.input.SAXBuilder; import org.xml.sax.InputSource; import org.apache.commons.httpclient.*; import org.apache.commons.httpclient.methods.*; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.params.HttpMethodParams; /** * 最简单的HTTP客户端,用来演示通过GET或者POST方式访问某个页面 * @author yuchao */ public class HttpClient1{ public static void main(String[] args) throws IOException { String merchantNo = "104110053004253"; String orderNo = "101023416806"; String signData = "SDJFALSF"; HttpClient client = new HttpClient(); //使用POST方法 PostMethod postMethod = new PostMethod("https://ebspay.boc.cn/PGWPortal/QueryOrder.do"); /** * 使用POST方式提交数据 */ NameValuePair[] orderInfo = {new NameValuePair("merchantNo",merchantNo),new NameValuePair("orderNos",orderNo), new NameValuePair("signData",signData),}; postMethod.setRequestBody(orderInfo); client.executeMethod(postMethod); int code = postMethod.getStatusCode(); if (code == HttpStatus.SC_OK){ String info = null; info = new String(postMethod.getResponseBodyAsString()); } /** * 打印服务器返回的状态 */ System.out.println("the post return value"+postMethod.getStatusLine()); /** * 打印结果页面 */ String response = new String(postMethod.getResponseBodyAsString().getBytes("UTF-8")); /** * 打印返回的信息 */ System.out.println("the getBytes() xml is:"+response); //打印返回的信息 String resCode = postMethod.getResponseBodyAsString(); System.out.println("the is my other xml:"+resCode); //释放连接 postMethod.releaseConnection(); StringReader read = new StringReader(resCode); InputSource source = new InputSource(read); SAXBuilder sb = new SAXBuilder(); try{ Document doc = sb.build(source); Element root = doc.getRootElement(); System.out.println("the getName is:"+root.getName()); List jiedian = root.getChildren(); //获得XML中的命名空间(XML中未定义可不写) Namespace ns = root.getNamespace(); Element et = null; List orderList = null; for (int i=0;i<jiedian.size();i++) { et = (Element)jiedian.get(i); if(et.getName().equals("header")){ System.out.println(et.getChild("merchantNo", ns).getText()); System.out.println(et.getChild("exception", ns).getText()); } if(et.getName().equals("body")){ orderList = et.getChildren(); System.out.println(et.getChild("orderTrans", ns).getChild("orderStatus").getText()); } } for (int i=0;i<orderList.size();i++) { et = (Element)orderList.get(i); if(et.getName().equals("orderTrans")){ System.out.println(et.getChild("payTime", ns).getText()); } } }catch(JDOMException e){ e.printStackTrace(); }catch(IOException e){ e.printStackTrace(); } } }
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