微信支付

payConfig

public class PayConfigUtil {




    String APP_ID = "wx632c8f211f8122c6";//微信公众号的id
    String MCH_ID = "1497984412";//商户id
    String API_KEY = "sbNCm1JnevqI36LrEaxFwcaT0hkGxFnC";//API密钥
    String UFDOOER_URL =
            "https://api.mch.weixin.qq.com/pay/unifiedorder";//微信的统一下单地址
    String NOTIFY_URL = "http://139.196.100.189:8080/weixinpay/payment/result";//回调地址
    String CREATE_IP = "117.159.15.221";

}

package com.zms.util;


import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

XMLUtil
public class XMLUtil {




    public static Map doXMLParse(String strxml) throws JDOMException, IOException {
        strxml = strxml.replaceFirst("encoding=\".*\"", "encoding=\"UTF-8\"");


        if(null == strxml || "".equals(strxml)) {
            return null;
        }


        Map m = new HashMap();


        InputStream in = new ByteArrayInputStream(strxml.getBytes("UTF-8"));
        SAXBuilder builder = new SAXBuilder();
        Document doc = builder.build(in);
        Element root = doc.getRootElement();
        List list = root.getChildren();
        Iterator it = list.iterator();
        while(it.hasNext()) {
            Element e = (Element) it.next();
            String k = e.getName();
            String v = "";
            List children = e.getChildren();
            if(children.isEmpty()) {
                v = e.getTextNormalize();
            } else {
                v = XMLUtil.getChildrenText(children);
            }


            m.put(k, v);
        }


        //关闭流
        in.close();


        return m;
    }


    /**
     * 获取子结点的xml
     * @param children
     * @return String
     */
    public static String getChildrenText(List children) {
        StringBuffer sb = new StringBuffer();
        if(!children.isEmpty()) {
            Iterator it = children.iterator();
            while(it.hasNext()) {
                Element e = (Element) it.next();
                String name = e.getName();
                String value = e.getTextNormalize();
                List list = e.getChildren();
                sb.append("<" + name + ">");
                if(!list.isEmpty()) {
                    sb.append(XMLUtil.getChildrenText(list));
                }
                sb.append(value);
                sb.append("");
            }
        }


        return sb.toString();
    }

}

buyservlet

package com.zms.servlet;


import com.sun.javaws.jnl.XMLUtils;
BuyServlet 
public class BuyServlet extends HttpServlet {




    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doPost(req, resp);
    }


    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        super.doPost(req, resp);
    }




    public void weixin_notify(HttpServletRequest request,HttpServletResponse response) throws IOException {


        String writeContent = "默认支付失败";


        //微信支付图片 保存
        String path = request.getServletContext().getRealPath("file");
        File files = new File(path);
        if(!files.exists()){
            files.mkdirs();
        }


        //将结果写入文件中，实际开发删除
        FileOutputStream fos = new FileOutputStream(path + "/result.txt",true);


        StringBuffer sb = new StringBuffer();
        InputStream input;
        input = request.getInputStream();
        String s;
        BufferedReader reader = new BufferedReader(new InputStreamReader(input,"UTF-8"));


        while((s=reader.readLine()) != null){
            sb.append(s);
        }
        reader.close();
        input.close();


        //解析xml文件成map文件
        Map map = new HashMap();






















    }
}