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java后台调用url

         QXOutStream  outPut= new QXOutStream();         qxWorkSheetXML.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");	qxWorkSheetXML.append("<ROOT><ROW>");	qxWorkSheetXML.append("<REPORT_MAN>"+call_man+"</REPORT_MAN>");	qxWorkSheetXML.append("<ACCEPT_TIME>"+call_time+"</ACCEPT_TIME>");	qxWorkSheetXML.append("<CUSTOMER_CODE>"+workSheetNo+"</CUSTOMER_CODE>");	qxWorkSheetXML.append("<PHONE>"+call_no+"</PHONE>");	qxWorkSheetXML.append("<DEAL_DATE>"+deadLine+"</DEAL_DATE>");	qxWorkSheetXML.append("</ROW></ROOT>");	returnStr=outPut.outPutStr(urlStr, qxWorkSheetXML.toString());


 

 

import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.nio.charset.Charset;import XmlHelper;public class QXOutStream {	public String outPutStr(String urlStr, String input) throws Exception{		StringBuffer strBuf = new StringBuffer();		String Resulst="";		try{			URL url = new URL(urlStr);			HttpURLConnection con = (HttpURLConnection)url.openConnection();			con.setDoInput(true);			con.setDoOutput(true);			con.setRequestMethod("POST");			con.setAllowUserInteraction(false);						con.setUseCaches(false);			con.setRequestProperty("Accept-Charset", "GBK");			BufferedOutputStream bufOutPut = new BufferedOutputStream(con.getOutputStream());						byte[] bdat = input.getBytes("UTF-8");//解决中文乱码问题	        bufOutPut.write(bdat, 0, bdat.length);			bufOutPut.flush();			BufferedInputStream inp = new BufferedInputStream(con.getInputStream());			InputStreamReader in = new InputStreamReader(inp,Charset.forName("GBK"));			BufferedReader bufReador = new BufferedReader(in);			String tempStr = "";			while (tempStr != null) {				strBuf.append(tempStr);				tempStr = bufReador.readLine();							}			Resulst = XmlHelper.getPostNodeText(strBuf.toString(), "OPERATOR_RESULT");//.getPostFirstRowText(strBuf.toString(), "OPERATOR_RESULT");					}		catch (Exception e) {			//System.err.println("Exception:"+e.toString());			throw e;			//return "N";		}		finally{			return Resulst;		}	}}


 

import java.io.InputStream;import java.net.URL;import java.net.URLConnection;import javax.xml.transform.TransformerException;import org.apache.log4j.Logger;import org.w3c.dom.Attr;import org.w3c.dom.Document;import org.w3c.dom.Element;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import com.sun.org.apache.xpath.internal.XPathAPI;/** * 处理XML的封装类  */public abstract class XmlHelper {	private XmlHelper() {	}	private static SimpleXmlParser parser = new SimpleXmlParser();	private static Logger logger = Logger.getLogger(XmlHelper.class.getName());	public static Document getDocument(String xmlStr) throws Exception {		try {			return parser.parseXml(xmlStr);		} catch (Exception ex) {			logger.error("得到Document出错-->", ex);			throw ex;		}	}	public static Document getDocumentFormStream(InputStream s)			throws Exception {		try {			Document doc = parser.parse(s);			return doc;		} catch (Exception ex) {			logger.error("从文件流中得到Document出现错误,错误为-->", ex);			throw ex;		}	}	public static Document getDocumentFormFile(String url) {		try {			URL u = new URL(url);			URLConnection connection = u.openConnection();			connection.setDoInput(true);			connection.setUseCaches(false);			Document doc = parser.parse(url);			connection.getInputStream().close();			return doc;		} catch (Exception ex) {			logger.info("从url中取得数据出错,错误为-->", ex);		}		return null;	}	public static NodeList selectNodeList(Node node, String xpath)			throws TransformerException {		try {			return XPathAPI.selectNodeList(node, xpath);		} catch (TransformerException ex) {			logger.error("得到xml节点队列出错-->", ex);			throw ex;		}	}	public static Node selectSingleNode(Node node, String xpath)			throws TransformerException {		try {			return XPathAPI.selectSingleNode(node, xpath);		} catch (TransformerException ex) {			logger.error("得到单一的xml节点出错-->", ex);			throw ex;		}	}	public static Node selectNode(Node node, String xpath) {		for (int i = 0; i < node.getChildNodes().getLength(); i++) {			Node childNode = node.getChildNodes().item(i);			if (childNode.getNodeType() == Node.ELEMENT_NODE					&& childNode.getNodeName().equals(xpath))				return childNode;		}		return null;	}	public static Attr getAttribute(Node node, String attName) {		return (Attr) node.getAttributes().getNamedItem(attName);	}	public static String getNodeText(Node node) {		for (int i = 0; i < node.getChildNodes().getLength(); i++) {			if (node.getChildNodes().item(i).getNodeType() == Node.TEXT_NODE)				return node.getChildNodes().item(i).getNodeValue();		}		return null;	}	public static String getPostNodeText(String postString, String nodeName) {		try {			Document doc = getDocument(postString);			Element root = doc.getDocumentElement();			NodeList list = root.getChildNodes();			for (int i = 0; i < list.getLength(); i++) {				Node node = list.item(i);				if (node.getNodeType() == Node.ELEMENT_NODE) {					logger.debug("node:" + node.getNodeType() + ","							+ node.getNodeName());					if (node.getNodeName().equals(nodeName))						return getNodeText(node);				}			}		} catch (Exception ex) {			logger.error("从post信息中得到xml解析数据出错-->", ex);		}		return null;	}	public static String getPostFirstRowText(String postString, String nodeName) {		try {			return XmlHelperJdom.getFirstRowData(postString, nodeName);		} catch (Exception ex) {			logger.error("从post的第一行数据中得到xml解析数据出错-->", ex);		}		return null;	}	/*	 * 添加一个节点,并且设置其text	 */	public static org.dom4j.Element addElementAndSetValue(			org.dom4j.Element parent, String name, String value) {		if (null == name)			return null;		org.dom4j.Element e = parent.addElement(name);		if (null == value) {			value = http://www.mamicode.com/"";>