java 服务端对接微信支付 Demo

谁践踏了优雅 2023-10-17 10:48 9阅读 0赞

服务端代码：

package com.wlsq.kso.web;
    
    import java.io.ByteArrayOutputStream;
    import java.io.InputStream;
    import java.io.UnsupportedEncodingException;
    import java.math.BigDecimal;
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;
    import java.util.Map.Entry;
    import java.util.Random;
    import java.util.Set;
    import java.util.SortedMap;
    import java.util.TreeMap;
    
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import org.apache.cxf.common.util.StringUtils;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RequestMethod;
    import org.springframework.web.bind.annotation.ResponseBody;
    import com.alibaba.fastjson.JSON;
    import com.alibaba.fastjson.JSONArray;
    import com.alibaba.fastjson.JSONObject;
    import com.wlsq.kso.annotation.MethodAction;
    import com.wlsq.kso.entity.ResultObject;
    import com.wlsq.kso.service.AccountWalletService;
    import com.wlsq.kso.util.HttpUtil;
    import com.wlsq.kso.util.MyMd5Util;
    import com.wlsq.kso.util.XmltoJsonUtil;
    
    /**
     * 微信支付接口Controller
     * 
     * @author zzg
     * @date 2017-02-18
     */
    
    @Controller
    @RequestMapping(value = "/WeiXinPay")
    public class AccountWeiXinController {
    	private static final Logger LOG = LoggerFactory
    			.getLogger(AccountWeiXinController.class);
    	
    	@Autowired
    	private AccountWalletService accountWalletService;
    
    	// 微信统一下单接口路径
    	private static final String UNIFORMORDER = "https://api.mch.weixin.qq.com/pay/unifiedorder";
    
    	// 微信商户号：*****
    	private static final String MCHID = "********";
    	// 微信回调地址
    	private static final String NOTIFYURL = "*********";
    	// 微信交易类型
    	private static final String TRADETYPE = "APP";
    	//微信APIKEY
        private static final String APIKEY ="************";
    
    	/**
    	 * 微信统一下单
    	 * 
    	 * @return
    	 * @throws UnsupportedEncodingException 
    	 */
    	@MethodAction(optionDescription = "微信统一下单", methodName = "/WeiXinPay/uniformorder")
    	@RequestMapping(value = "/uniformorder", method = RequestMethod.POST, produces = "text/html;charset=UTF-8")
    	@ResponseBody
    	public String uniformorder(HttpServletRequest request) throws UnsupportedEncodingException {
    		ResultObject result = new ResultObject();// 返回数据结果集合
    		request.setCharacterEncoding("UTF-8");  
    	    
    		try {
    			//APP ID
    			String appid = request.getParameter("appid") == null ? null
    					: request.getParameter("appid").trim().toUpperCase();
    			// 用户访问令牌
    			String accessToken = request.getParameter("accessToken") == null ? null
    					: request.getParameter("accessToken").trim();
    			// 订单编号
    			String orderNum = request.getParameter("orderNum") == null ? null
    					: request.getParameter("orderNum").trim();// 订单编号
    			// 消费金额
    			String money = request.getParameter("money") == null ? null
    					: request.getParameter("money").trim();// 消费金额
    			// 消费主题
    			String subject = request.getParameter("subject") == null ? null
    					: request.getParameter("subject").trim();// 消费主体
    			
    			if(StringUtils.isEmpty(appid)){
    				result.setMsg("参数：appid 为空");
    				result.setResultCode("-1");
    				return JSON.toJSONString(result);
    			}
    			if(StringUtils.isEmpty(accessToken)){
    				result.setMsg("参数：accessToken 为空");
    				result.setResultCode("-1");
    				return JSON.toJSONString(result);
    			}
    			
    			if(StringUtils.isEmpty(orderNum)){
    				result.setMsg("参数：orderNum 为空");
    				result.setResultCode("-1");
    				return JSON.toJSONString(result);
    			}
    			if(StringUtils.isEmpty(money)){
    				result.setMsg("参数：money 为空");
    				result.setResultCode("-1");
    				return JSON.toJSONString(result);
    			}
    			if(StringUtils.isEmpty(subject)){
    				result.setMsg("参数：subject 为空");
    				result.setResultCode("-1");
    				return JSON.toJSONString(result);
    			}
    
    			SortedMap<Object,Object> parame = new TreeMap<Object,Object>();
    			parame.put("appid", *********");
    			parame.put("mch_id", MCHID);// 商家账号。
    			String randomStr = getRandomString(18).toUpperCase();
    			parame.put("nonce_str", randomStr);// 随机字符串			
    			parame.put("body", subject);// 商品描述
    			parame.put("out_trade_no", orderNum);// 商户订单编号
    			   //支付金额
    
    			parame.put("total_fee", BigDecimal.valueOf(Long.parseLong(money)).multiply(new BigDecimal(100)).toString());// 消费金额
    			String ip = getIpAddr(request);
    			if (StringUtils.isEmpty(ip)) {
    				parame.put("spbill_create_ip", "127.0.0.1");// 消费IP地址
    			} else {
    				parame.put("spbill_create_ip", ip);// 消费IP地址
    			}
    			parame.put("notify_url", NOTIFYURL);// 回调地址
    			parame.put("trade_type", TRADETYPE);// 交易类型APP
    			String sign =createSign(parame); 
    			parame.put("sign", sign);// 数字签证
    			
    			String xml = getRequestXML(parame);	
    
    			String content = HttpUtil.sendPost(UNIFORMORDER, xml);	
    			System.out.println(content);
    			JSONObject jsonObject = JSONObject.parseObject(XmltoJsonUtil.xml2JSON(content)) ;  
    			JSONObject result_xml = jsonObject.getJSONObject("xml");
    			JSONArray result_code =  result_xml.getJSONArray("result_code");			
    			String code = (String)result_code.get(0);
    			
    			List<String> data = new ArrayList<String>();			
    			if(code.equalsIgnoreCase("FAIL")){
    				result.setMsg("微信统一订单下单失败");
    				result.setResultCode("-1");
    				result.setData(data);
    			}else if(code.equalsIgnoreCase("SUCCESS")){
    				JSONArray prepay_id = result_xml.getJSONArray("prepay_id");				
    				String prepayId = (String)prepay_id.get(0);
    				data.add(prepayId);
    				result.setMsg("微信统一订单下单成功");
    				result.setResultCode("1");
    				result.setData(data);
    			}			
    			return JSON.toJSONString(result);
    		
    		} catch (Exception e) {
    			result.setMsg(e.getMessage());
    			result.setResultCode("-1");
    			return JSON.toJSONString(result);
    		}		
    
    	}
    	
    	/**
    	 * 微信订单回调接口
    	 * 
    	 * @return
    	 */
    	@MethodAction(optionDescription = "微信回掉接口", methodName = "/WeiXinPay/notify")
    	@RequestMapping(value = "/notify", method = RequestMethod.POST, produces = "text/html;charset=UTF-8")
    	@ResponseBody
    	public void notify(HttpServletRequest request,HttpServletResponse response){
    		ResultObject result = new ResultObject();// 返回数据结果集合
    		try{
    			request.setCharacterEncoding("UTF-8");  
    		    response.setCharacterEncoding("UTF-8");  
    		    response.setContentType("text/html;charset=UTF-8");  
    		    response.setHeader("Access-Control-Allow-Origin", "*");   
    		    InputStream in=request.getInputStream();  
    		    ByteArrayOutputStream out=new ByteArrayOutputStream();  
    		    byte[] buffer =new byte[1024];  
    		    int len=0;  
    		    while((len=in.read(buffer))!=-1){  
    		        out.write(buffer, 0, len);  
    		    }  
    		    out.close();  
    		    in.close();  
    		    String content=new String(out.toByteArray(),"utf-8");//xml数据  
    		    
    		    JSONObject jsonObject = JSONObject.parseObject(XmltoJsonUtil.xml2JSON(content)) ;  
    			JSONObject result_xml = jsonObject.getJSONObject("xml");
    			JSONArray result_code =  result_xml.getJSONArray("result_code");
    			String code = (String)result_code.get(0);
    			
    			if(code.equalsIgnoreCase("FAIL")){
    				result.setMsg("微信统一订单下单失败");
    				result.setResultCode("-1");				
    			
    				response.getWriter().write(setXml("SUCCESS", "OK"));
    				
    				
    			}else if(code.equalsIgnoreCase("SUCCESS")){
    				result.setMsg("微信统一订单下单成功");
    				result.setResultCode("1");	
    				
    				JSONArray out_trade_no = result_xml.getJSONArray("out_trade_no");//订单编号
    				Map<String,Object> map = new HashMap<String,Object>();
    				map.put("orderNum", (String)out_trade_no.get(0));
    				map.put("consumState", 1);
    				accountWalletService.updateAccountOrderState(map);
    				
    				response.getWriter().write(setXml("SUCCESS", "OK"));
    				
    			}			
    			
    		   
    		}catch(Exception e){
    			result.setMsg(e.getMessage());
    			result.setResultCode("-1");
    			return;
    		}
    		
    	}
    	
    
    	// 返回用IP地址
    	public String getIpAddr(HttpServletRequest request) {
    		String ip = request.getHeader(" x-forwarded-for ");
    		if (ip == null || ip.length() == 0 || " unknown ".equalsIgnoreCase(ip)) {
    			ip = request.getHeader(" Proxy-Client-IP ");
    		}
    		if (ip == null || ip.length() == 0 || " unknown ".equalsIgnoreCase(ip)) {
    			ip = request.getHeader(" WL-Proxy-Client-IP ");
    		}
    		if (ip == null || ip.length() == 0 || " unknown ".equalsIgnoreCase(ip)) {
    			ip = request.getRemoteAddr();
    		}
    		return ip;
    	}
    
    	// 随机字符串生成
    	public static String getRandomString(int length) { // length表示生成字符串的长度
    		String base = "abcdefghijklmnopqrstuvwxyz0123456789";
    		Random random = new Random();
    		StringBuffer sb = new StringBuffer();
    		for (int i = 0; i < length; i++) {
    			int number = random.nextInt(base.length());
    			sb.append(base.charAt(number));
    		}
    		return sb.toString();
    	}
    	
    	
    	//拼接xml 请求路径
    	public static String getRequestXML(SortedMap<Object, Object> parame){
    		StringBuffer buffer = new StringBuffer();
    		buffer.append("<xml>");
    		Set set = parame.entrySet();
    		Iterator iterator = set.iterator();
    		while(iterator.hasNext()){
    			Map.Entry entry = (Map.Entry) iterator.next();
    			String key = (String)entry.getKey();
    			String value = (String)entry.getValue();
    			//过滤相关字段sign
    			if("sign".equalsIgnoreCase(key)){
    				buffer.append("<"+key+">"+"<![CDATA["+value+"]]>"+"</"+key+">");
    			}else{
    				buffer.append("<"+key+">"+value+"</"+key+">");
    			}			
    		}
    		buffer.append("</xml>");
    		return buffer.toString();
    	}
    	
    	//创建md5 数字签证
    	public static String createSign(SortedMap<Object, Object> parame){
    		StringBuffer buffer = new StringBuffer();
    		Set set = parame.entrySet();
    		Iterator iterator = set.iterator();
    		while(iterator.hasNext()){
    			Map.Entry entry = (Map.Entry) iterator.next();
    			String key = (String)entry.getKey();
    			Object value = (String)entry.getValue();
    			if(null != value && !"".equals(value) && !"sign".equals(key) && !"key".equals(key)){
    				buffer.append(key+"="+value+"&");
    			}			
    		}
    		buffer.append("key="+APIKEY);
    		String sign =MyMd5Util.md5(buffer.toString()).toUpperCase(); 
    		System.out.println("签名参数："+sign);
    		return sign;
    	}
    	
    	//返回微信服务
    	 public static String setXml(String return_code,String return_msg){  
    	        return "<xml><return_code><![CDATA["+return_code+"]]></return_code><return_msg><![CDATA["+return_msg+"]]></return_msg></xml>";  
    	}  
    	
    	//模拟微信回调接口
    	 public static String callbakcXml(String orderNum){
    		 return "<xml><appid><![CDATA[wx2421b1c4370ec43b]]></appid><attach><![CDATA[支付测试]]></attach><bank_type><![CDATA[CFT]]></bank_type><fee_type><![CDATA[CNY]]></fee_type> <is_subscribe><![CDATA[Y]]></is_subscribe><mch_id><![CDATA[10000100]]></mch_id><nonce_str><![CDATA[5d2b6c2a8db53831f7eda20af46e531c]]></nonce_str><openid><![CDATA[oUpF8uMEb4qRXf22hE3X68TekukE]]></openid> <out_trade_no><![CDATA["+orderNum+"]]></out_trade_no>  <result_code><![CDATA[SUCCESS]]></result_code> <return_code><![CDATA[SUCCESS]]></return_code><sign><![CDATA[B552ED6B279343CB493C5DD0D78AB241]]></sign><sub_mch_id><![CDATA[10000100]]></sub_mch_id> <time_end><![CDATA[20140903131540]]></time_end><total_fee>1</total_fee><trade_type><![CDATA[JSAPI]]></trade_type><transaction_id><![CDATA[1004400740201409030005092168]]></transaction_id></xml>";
    	 }
    	
    	
    	public static void main(String[] args) throws Exception{
    		String str = HttpUtil.sendPost("http://localhost:8080/WlsqWS/WeiXinPay/notify", callbakcXml("a313a907f72f4f70b53a46b9773a9d42"));
    		System.out.println("result :"+str);
    //		SortedMap<Object,Object> parame = new TreeMap<Object,Object>();
    //		parame.put("appid", "wxdf26629c37f5b7c1");
    //		parame.put("mch_id", MCHID);
    //		String randomStr = getRandomString(18).toUpperCase();
    //		parame.put("nonce_str", randomStr);
    //		String subject = "余额充值";
    //		parame.put("body", subject);
    //		String orderNum = "3a6154e2a662407c8223971284c372a7";
    //		parame.put("out_trade_no", orderNum);
    //		String money ="1";
    //		parame.put("total_fee", money);
    //		String ip ="127.0.0.1";
    //		parame.put("spbill_create_ip", ip);
    //		parame.put("notify_url", NOTIFYURL);
    //		parame.put("trade_type", TRADETYPE);
    //		String sign =createSign(parame); 
    //		parame.put("sign", sign);// 数字签证
    //		
    //		String xml = getRequestXML(parame);		
    //
    //		String content = HttpUtil.sendPost(UNIFORMORDER, xml);
    //		
    //		//成功代码
    //		String result = XmltoJsonUtil.xml2JSON(content);		
    //		JSONObject jsonObject = JSONObject.parseObject(result) ;  
    //		JSONObject results = jsonObject.getJSONObject("xml");
    //		JSONArray array =  results.getJSONArray("result_code");
    //		String code = (String)array.get(0);
    //		System.out.println(results.toString());
    //		System.out.println(code);
    		
    		//失败代码
    //		String result = XmltoJsonUtil.xml2JSON(content);		
    //		JSONObject jsonObject = JSONObject.parseObject(result) ; 
    //		System.out.println(jsonObject.toString());
    	}
    
    }

java 工具类:

HttpUtil 类

package com.wlsq.kso.util;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.InputStreamReader;
    import java.io.OutputStream;
    import java.io.PrintStream;
    import java.io.PrintWriter;
    import java.net.HttpURLConnection;
    import java.net.URL;
    import java.net.URLConnection;
    import java.util.Map;
    
    public class HttpUtil
    {
      public static final String POST = "POST";
      public static final String GET = "GET";
    
      public static String post(String uriString, Map<String, String> params)
        throws Exception
      {
        URL url = new URL(uriString);
        HttpURLConnection con = (HttpURLConnection)url.openConnection();
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setRequestMethod(RequstMethod.POST.value());
        con.setRequestProperty(" Content-Type ", 
          " application/x-www-form-urlencoded ");
        con.setUseCaches(false);
        con.setInstanceFollowRedirects(true);
    
        if (params != null) {
          StringBuffer sb = new StringBuffer();
          String data = null;
          byte[] b = null;
    
          for (String key : params.keySet()) {
            sb.append(key).append('=').append((String)params.get(key)).append('&');
          }
          data = sb.substring(0, sb.length() - 1);
          b = data.getBytes("UTF-8");
    
          OutputStream out = con.getOutputStream();
          out.write(b);
          out.flush();
          out.close();
        }
    
        InputStream in = con.getInputStream();
        String responseBody = FileUtil.readAll(in);
    
        return responseBody;
      }
    
      public static String post(String uriString, Map<String, String> params, String authorization)
        throws Exception
      {
        URL url = new URL(uriString);
        HttpURLConnection con = (HttpURLConnection)url.openConnection();
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setRequestMethod(RequstMethod.POST.value());
        con.setRequestProperty("Content-Type", "application/json");
        con.setRequestProperty("Authorization", authorization);
        con.setUseCaches(false);
        con.setInstanceFollowRedirects(true);
    
        if (params != null) {
          StringBuffer sb = new StringBuffer();
          String data = null;
          byte[] b = null;
    
          for (String key : params.keySet()) {
            sb.append(key).append('=').append((String)params.get(key)).append('&');
          }
          data = sb.substring(0, sb.length() - 1);
          b = data.getBytes("UTF-8");
    
          OutputStream out = con.getOutputStream();
          out.write(b);
          out.flush();
          out.close();
        }
    
        InputStream in = con.getInputStream();
        String responseBody = FileUtil.readAll(in);
    
        return responseBody;
      }
    
      public static String jpost(String uriString, Map<String, String> params)
        throws Exception
      {
        URL url = new URL(uriString);
        HttpURLConnection con = (HttpURLConnection)url.openConnection();
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setRequestMethod(RequstMethod.POST.value());
        con.setRequestProperty("Content-Type", "application/json");
        con.setUseCaches(false);
        con.setInstanceFollowRedirects(true);
    
        if (params != null) {
          StringBuffer sb = new StringBuffer();
          String data = null;
          byte[] b = null;
    
          for (String key : params.keySet()) {
            sb.append(key).append('=').append((String)params.get(key)).append('&');
          }
          data = sb.substring(0, sb.length() - 1);
          b = data.getBytes("UTF-8");
    
          OutputStream out = con.getOutputStream();
          out.write(b);
          out.flush();
          out.close();
        }
    
        InputStream in = con.getInputStream();
        String responseBody = FileUtil.readAll(in);
    
        return responseBody;
      }
    
      public static String sendGet(String url, String param)
      {
        String result = "";
        BufferedReader in = null;
        try {
          String urlNameString = url + "?" + param;
          URL realUrl = new URL(urlNameString);
    
          URLConnection connection = realUrl.openConnection();
    
          connection.setRequestProperty("accept", "*/*");
          connection.setRequestProperty("Content-Type", "application/json");
          connection.setRequestProperty("connection", "Keep-Alive");
          connection.setRequestProperty("user-agent", 
            "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
    
          connection.connect();
    
          Map map = connection.getHeaderFields();
    
    //      for (String key : map.keySet()) {
    //        System.out.println(key + "--->" + map.get(key));
    //      }
    
          in = new BufferedReader(new InputStreamReader(
            connection.getInputStream(), "utf-8"));
          String line;
          while ((line = in.readLine()) != null)
          {
            //String line;
            result = result + line;
          }
        } catch (Exception e) {
          System.out.println("����GET��������쳣��" + e);
          e.printStackTrace();
          try
          {
            if (in != null)
              in.close();
          }
          catch (Exception e2) {
            e2.printStackTrace();
          }
        }
        finally
        {
          try
          {
            if (in != null)
              in.close();
          }
          catch (Exception e2) {
            e2.printStackTrace();
          }
        }
        return result;
      }
    
      public static String sendPost(String url, String param)
      {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
          URL realUrl = new URL(url);
    
          URLConnection conn = realUrl.openConnection();
    
          conn.setRequestProperty("Content-Type", "application/xml");
    
          conn.setDoOutput(true);
          conn.setDoInput(true);
    
          out = new PrintWriter(conn.getOutputStream());
    
          out.print(param);
    
          out.flush();
    
          in = new BufferedReader(
            new InputStreamReader(conn.getInputStream()));
          String line;
          while ((line = in.readLine()) != null)
          {
            //String line;
            result = result + line;
          }
        } catch (Exception e) {
          System.out.println("���� POST ��������쳣��" + e);
          e.printStackTrace();
          try
          {
            if (out != null) {
              out.close();
            }
            if (in != null)
              in.close();
          }
          catch (IOException ex)
          {
            ex.printStackTrace();
          }
        }
        finally
        {
          try
          {
            if (out != null) {
              out.close();
            }
            if (in != null)
              in.close();
          }
          catch (IOException ex)
          {
            ex.printStackTrace();
          }
        }
        return result;
      }
    
      public static enum RequstMethod
      {
        GET("GET"), POST("POST");
    
        private String value;
    
        private RequstMethod(String value) {
          this.value = value;
        }
    
        public String value() {
          return this.value;
        }
      }
    }

XmltoJsonUtil 类

package com.wlsq.kso.util;
    
    import java.io.ByteArrayInputStream;
    import java.io.InputStream;
    import java.util.HashMap;
    import java.util.LinkedList;
    import java.util.List;
    import java.util.Map;
    
    import org.jdom.Document;  
    import org.jdom.Element;  
    import org.jdom.input.SAXBuilder;  
    
    import com.alibaba.fastjson.JSONObject;
    
    public class XmltoJsonUtil {
    	public static  String xml2JSON(String xml) {  
            JSONObject obj = new JSONObject();  
            try {  
                InputStream is = new ByteArrayInputStream(xml.getBytes("utf-8"));  
                SAXBuilder sb = new SAXBuilder();  
                Document doc = sb.build(is);  
                Element root = doc.getRootElement();  
                obj.put(root.getName(), iterateElement(root));  
                return obj.toString();  
            } catch (Exception e) {  
                e.printStackTrace();  
                return null;  
            }  
        } 
    	
    	 private static Map  iterateElement(Element element) {  
    	        List jiedian = element.getChildren();  
    	        Element et = null;  
    	        Map obj = new HashMap();  
    	        List list = null;  
    	        for (int i = 0; i < jiedian.size(); i++) {  
    	            list = new LinkedList();  
    	            et = (Element) jiedian.get(i);  
    	            if (et.getTextTrim().equals("")) {  
    	                if (et.getChildren().size() == 0)  
    	                    continue;  
    	                if (obj.containsKey(et.getName())) {  
    	                    list = (List) obj.get(et.getName());  
    	                }  
    	                list.add(iterateElement(et));  
    	                obj.put(et.getName(), list);  
    	            } else {  
    	                if (obj.containsKey(et.getName())) {  
    	                    list = (List) obj.get(et.getName());  
    	                }  
    	                list.add(et.getTextTrim());  
    	                obj.put(et.getName(), list);  
    	            }  
    	        }  
    	        return obj;  
    	    }  
    	 
    	 
    
    }

MyMd5Util 类

package com.wlsq.kso.util;
    
    import java.security.MessageDigest;
    import java.security.NoSuchAlgorithmException;
    
    /**
     * @author fengcai ouyang
     * @version V1.0
     * @Description:
     * @date 2016/7/23 18:48
     * @Update by: ${todo}
     */
    public class MyMd5Util {
        private static MessageDigest sMd5MessageDigest;
        private static StringBuilder sStringBuilder;
    
        private MyMd5Util() {
        }
    
        public static String md5(String s) {
            sMd5MessageDigest.reset();
            sMd5MessageDigest.update(s.getBytes());
            byte[] digest = sMd5MessageDigest.digest();
            sStringBuilder.setLength(0);
    
            for (int i = 0; i < digest.length; ++i) {
                int b = digest[i] & 255;
                if (b < 16) {
                    sStringBuilder.append('0');
                }
    
                sStringBuilder.append(Integer.toHexString(b));
            }
    
            return sStringBuilder.toString().toUpperCase();
        }
    
        static {
            try {
                sMd5MessageDigest = MessageDigest.getInstance("MD5");
            } catch (NoSuchAlgorithmException var1) {
    
            }
    
            sStringBuilder = new StringBuilder();
        }
    }