JAVA微信支付多次回调方法解决方案

@WebServlet("/ActionServlet")
public class PayWxOrderingReqCBS extends HttpServlet {

public PayWxOrderingReqCBS() {
super();
}

/**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
   *      response)
   */
   protected void doGet(HttpServletRequest request,
           HttpServletResponse response) throws ServletException, IOException {
         doPost(request, response);
   }

/**
   * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
   *      response)
   */
   protected void doPost(HttpServletRequest request,
           HttpServletResponse response) throws ServletException, IOException {

       String msg = "success";
        response.setContentType("text/xml");
       System.out.print("微信支付回调数据开始");
       String inputLine;
       String notityXml = "";
       String resXml = "";

try {
           while ((inputLine = request.getReader().readLine()) != null) {
               notityXml += inputLine;
           }
           request.getReader().close();
       } catch (Exception e) {
           e.printStackTrace();
       }

System.out.println("接收到的报文：" + notityXml);
       System.out.println("微信支付回调数据结束");
       System.out.println("告知服务端订单情况");
       String b = Xml2JsonUtil.xml2JSON(notityXml);
       System.out.println("=======================>"+b);
       try {
           JSONObject c = new JSONObject(b);
           String d = c.get("xml").toString();
           JSONObject e = new JSONObject(d);
           String f = e.get("return_code").toString();
           if (f.contains("SUCCESS")) {
               /** 告知订单状态，修改订单状态 */
              　具体业务

           }
       } catch (JSONException e) {
           e.printStackTrace();
       } catch (SwordBaseCheckedException e) {
           e.printStackTrace();
       }
       resXml = "<xml>" + "<return_code><![CDATA[SUCCESS]]></return_code>"
               + "<return_msg><![CDATA[OK]]></return_msg>" + "</xml> ";
       BufferedOutputStream out = new BufferedOutputStream(
               response.getOutputStream());
       out.write(resXml.getBytes());
       out.flush();
       out.close();

response.getWriter().println(msg);

}

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JAVA微信支付多次回调方法解决方案

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