最近开发网站过程,需要引入支付过程,第三方支付中最火的莫过于支付宝支付和微信支付,下边借助微信支付官网上的文档,写一下接入微信支付之扫码支付的流程
相对支付宝支付而言,微信支付的开发文档写的相当的low,demo写的一点都不简洁,下边写一下微信扫码支付的过程,这一过程中,需要注意的所涉及的实际业务是怎样的,根据实际情况结合业务进行引入,在进入正式开发之前,要申请微信支付的相关内容按照官网的操作进行即可,审核成功后,会得到appId,商户号,商户平台登录账号和密码
登录微信支付官网
https://pay.weixin.qq.com,照相开发文档入口,查看扫码支付,大致了解一下扫码支付的相关信息后,进入开发流程,这是官网上的模式二的业务流程,
(1)商户后台系统根据用户选购的商品生成订单。
(2)用户确认支付后调用微信支付【统一下单API】生成预支付交易;
(3)微信支付系统收到请求后生成预支付交易单,并返回交易会话的二维码链接code_url。
(4)商户后台系统根据返回的code_url生成二维码。
(5)用户打开微信“扫一扫”扫描二维码,微信客户端将扫码内容发送到微信支付系统。
(6)微信支付系统收到客户端请求,验证链接有效性后发起用户支付,要求用户授权。
(7)用户在微信客户端输入密码,确认支付后,微信客户端提交授权。
(8)微信支付系统根据用户授权完成支付交易。
(9)微信支付系统完成支付交易后给微信客户端返回交易结果,并将交易结果通过短信、微信消息提示用户。微信客户端展示支付交易结果页面。
(10)微信支付系统通过发送异步消息通知商户后台系统支付结果。商户后台系统需回复接收情况,通知微信后台系统不再发送该单的支付通知。
(11)未收到支付通知的情况,商户后台系统调用【查询订单API】。
(12)商户确认订单已支付后给用户发货。
开发的流程,首先根据自己的业务流程,生成订单保存到数据库当中,这一过程包含了商品的信息,需要支付的钱数,商品名称等,下边开始进入统一下单的方法,
这部分是微信统一下单入口(controller方法)
- /**
- * 微信扫码支付统一下单
- */
- @RequestMapping(value = "/WxPayUnifiedorder", method = RequestMethod.GET)
- @ResponseBody
- public Object WxPayUnifiedorder(String out_trade_no) throws Exception{
- HashMap<String,Object> map = new HashMap<String,Object>();
- String codeUrl = wxPayService.weixin_pay(out_trade_no);
- map.put("codeUrl",codeUrl);
- return map;
- }
下边是微信支付统一下单具体实现方法
[java]
- /**
- * 微信支付统一下单接口
- * @param out_trade_no
- * @return
- * @throws Exception
- */
- public String weixin_pay(String out_trade_no) throws Exception {
- // 账号信息
- String appid = PayConfigUtil.getAppid(); // appid
- //String appsecret = PayConfigUtil.APP_SECRET; // appsecret
- // 商业号
- String mch_id = PayConfigUtil.getMchid();
- // key
- String key = PayConfigUtil.getKey();
-
- String currTime = PayCommonUtil.getCurrTime();
- String strTime = currTime.substring(8, currTime.length());
- String strRandom = PayCommonUtil.buildRandom(4) + "";
- //随机字符串
- String nonce_str = strTime + strRandom;
- // 价格 注意:价格的单位是分
- //String order_price = "1";
- // 商品名称
- //String body = "企嘉科技商品";
-
- //查询订单数据表获取订单信息
- PayOrder payOrder = payOrderDao.get(PayOrder.class,out_trade_no);
- // 获取发起电脑 ip
- String spbill_create_ip = PayConfigUtil.getIP();
- // 回调接口
- String notify_url = PayConfigUtil.NOTIFY_URL;
- String trade_type = "NATIVE";
- String time_start = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
- Calendar ca = Calendar.getInstance();
- ca.setTime(new Date());
- ca.add(Calendar.DATE, 1);
- String time_expire = new SimpleDateFormat("yyyyMMddHHmmss").format(ca.getTime());
- SortedMap<Object,Object> packageParams = new TreeMap<Object,Object>();
- packageParams.put("appid", appid);
- packageParams.put("mch_id", mch_id);
- packageParams.put("nonce_str", nonce_str);
- packageParams.put("body",payOrder.getBody());
- packageParams.put("out_trade_no", out_trade_no);
- //packageParams.put("total_fee", "1");
- packageParams.put("total_fee", payOrder.getTotalFee());
- packageParams.put("spbill_create_ip", spbill_create_ip);
- packageParams.put("notify_url", notify_url);
- packageParams.put("trade_type", trade_type);
- packageParams.put("time_start", time_start);
- packageParams.put("time_expire", time_expire);
- String sign = PayCommonUtil.createSign("UTF-8", packageParams,key);
- packageParams.put("sign", sign);
-
- String requestXML = PayCommonUtil.getRequestXml(packageParams);
- System.out.println("请求xml::::"+requestXML);
-
- String resXml = HttpUtil.postData(PayConfigUtil.PAY_API, requestXML);
- System.out.println("返回xml::::"+resXml);
-
- Map map = XMLUtil.doXMLParse(resXml);
- //String return_code = (String) map.get("return_code");
- //String prepay_id = (String) map.get("prepay_id");
- String urlCode = (String) map.get("code_url");
- System.out.println("打印调用统一下单接口生成二维码url:::::"+urlCode);
- return urlCode;
- }
这一方法中,我们从工具类中获取微信官网提供的appId以及商户号,以及在商户平台上设置的支付密钥,处理一些统一下单接口需要携带的参数,回调链接(微信发起的本地调用,并返回成功或错误信息),totalFee的单位为分,官网的接口文档有说明,trade_type写死指定为NATIVE,另外的两个量time_start与time_expire是指定订单的有效期,
可以根据的自己的业务需求具体指定时间,(此处是24小时的订单有效期),如果无需指定,直接注释掉即可,sign是签名操作,借助工具类将packageParams转化为XML借助postData方法请求微信统一下单接口
[java]
- public static String PAY_API = "https://api.mch.weixin.qq.com/pay/unifiedorder";
resXml作为调用统一下单的返回值,当然返回的也是xml文件,再借助xmlUtil将返回值转化为map,返回值中有生成二维码的code_url,接下来我们需要处理的是,解析二维码url在前端网页中生成二维码图片,在前端使用ajax调用统一下单接口方法,接收返回值code_url,接收返回值后在调用后台接口方法解析code_url
[javascript]
- common.get("/*****/wxpay/WxPayUnifiedorder?out_trade_no="+orderId,function(data){
- var codeUrl = data.codeUrl;
- if(codeUrl!=null && codeUrl!=""){
- $("#id_wxtwoCode").attr('src',"******/wxpay/qr_codeImg?code_url="+codeUrl);
- }
- });
html中img标签
[html]
- <div class="weimg">
- <!-- <img src="../common/img/wei_06.png"> -->
- <img id="id_wxtwoCode"src=""/>
- <p>打开手机端微信<br>扫一扫继续支付</p>
- </div>
下边是解析二维码过程
[java]
- /**
- * 生成二维码图片并直接以流的形式输出到页面
- * @param code_url
- * @param response
- */
- @RequestMapping("qr_codeImg")
- @ResponseBody
- public void getQRCode(String code_url,HttpServletResponse response){
- wxPayService.encodeQrcode(code_url, response);
- }
[java]
- /**
- * 生成二维码图片 不存储 直接以流的形式输出到页面
- * @param content
- * @param response
- */
- @SuppressWarnings({ "unchecked", "rawtypes" })
- public static void encodeQrcode(String content,HttpServletResponse response){
- if(content==null || "".equals(content))
- return;
- MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
- Map hints = new HashMap();
- hints.put(EncodeHintType.CHARACTER_SET, "UTF-8"); //设置字符集编码类型
- BitMatrix bitMatrix = null;
- try {
- bitMatrix = multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, 300, 300,hints);
- BufferedImage image = toBufferedImage(bitMatrix);
- //输出二维码图片流
- try {
- ImageIO.write(image, "png", response.getOutputStream());
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- } catch (WriterException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- }
- }
这里的300,300确定了二维码图片的大小
二维码图片生成后,接下来的流程就是扫码进行支付操作,这里还存在一个问题,需要在扫码后支付成功,需要实现页面的跳转,这一过程需要添加js的定时器,定时查看订单的支付状态是否发生了改变是否为支付成功,成功即可跳转后续流程,失败跳转失败提示
[javascript]
- //定时器,每隔1s查询订单支付状态,订单状态改变,清除页面定时器,页面跳转
- function checkOrder(orderId) {
- console.log("定时器方法"+orderId);
- common.get("/*******/order/checkOrder?out_trade_no="+orderId,function(data){
- var isorder = data.isorder;
- var paystatus = data.paystatus;
- if(isorder=="1"){
- if(paystatus=="1"){
- //支付成功跳转
- window.kk="******/order/wxpaySuccess?out_trade_no="+orderId;
- clearInterval(time);
- }else if(paystatus=="2"){
- //支付失败
- alert("支付失败!");
- clearInterval(time);
- }
- }
- });
- }
isorder查看是否存在订单,存在订单时判断支付状态,进行后续流程
支付成功后,微信服务端开始回调方法,
[java]
- @RequestMapping(value = "/weixinNotify", method = RequestMethod.POST)
- @ResponseBody
- public void weixinNotify(HttpServletRequest request,HttpServletResponse response) throws Exception{
- System.out.println("支付回调方法开始!");
- HashMap<String,Object> map = new HashMap<String,Object>();
- wxPayService.weixin_notify(request, response);
- System.out.println("支付回调方法结束!");
- }
[java]
- /**
- * 微信支付回调方法
- * @param request
- * @param response
- * @throws Exception
- */
- public void weixin_notify(HttpServletRequest request,HttpServletResponse response) throws Exception{
-
- //读取参数
- InputStream inputStream ;
- StringBuffer sb = new StringBuffer();
- inputStream = request.getInputStream();
- String s ;
- BufferedReader in = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
- while ((s = in.readLine()) != null){
- sb.append(s);
- }
- in.close();
- inputStream.close();
-
- //解析xml成map
- Map<String, String> m = new HashMap<String, String>();
- m = XMLUtil.doXMLParse(sb.toString());
-
- //过滤空 设置 TreeMap
- SortedMap<Object,Object> packageParams = new TreeMap<Object,Object>();
- Iterator it = m.keySet().iterator();
- while (it.hasNext()) {
- String parameter = (String) it.next();
- String parameterValue = m.get(parameter);
-
- String v = "";
- if(null != parameterValue) {
- v = parameterValue.trim();
- }
- packageParams.put(parameter, v);
- }
-
- // 账号信息
- String key = PayConfigUtil.getKey(); // key
- String out_trade_no = (String)packageParams.get("out_trade_no");
- //logger.info(packageParams);
- //判断签名是否正确
- if(PayCommonUtil.isTenpaySign("UTF-8", packageParams,key)) {
- //------------------------------
- //处理业务开始
- //------------------------------
- String resXml = "";
- if("SUCCESS".equals((String)packageParams.get("result_code"))){
- // 这里是支付成功
- //////////执行自己的业务逻辑////////////////
- String mch_id = (String)packageParams.get("mch_id");
- String openid = (String)packageParams.get("openid");
- String is_subscribe = (String)packageParams.get("is_subscribe");
-
- String bank_type = (String)packageParams.get("bank_type");
- String total_fee = (String)packageParams.get("total_fee");
- String transaction_id = (String)packageParams.get("transaction_id");
-
- System.out.println("mch_id:"+mch_id);
- System.out.println("openid:"+openid);
- System.out.println("is_subscribe:"+is_subscribe);
- System.out.println("out_trade_no:"+out_trade_no);
- System.out.println("total_fee:"+total_fee);
- System.out.println("bank_type:"+bank_type);
- System.out.println("transaction_id:"+transaction_id);
-
- //成功回调后需要处理预生成订单的状态和一些支付信息
[java]
- //查询数据库中订单,首先判定订单中金额与返回的金额是否相等,不等金额被纂改
[java]
- //判定订单是否已经被支付,不可重复支付
[java]
- //正常处理相关业务逻辑
[java]
- } else {
- System.out.println("支付失败,错误信息:" + packageParams.get("err_code")+
- "-----订单号:::"+out_trade_no+"*******支付失败时间::::"
- +new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
-
- String err_code = (String)packageParams.get("err_code");
-
- resXml = "<xml>" + "<return_code><![CDATA[FAIL]]></return_code>"
- + "<return_msg><![CDATA[报文为空]]></return_msg>" + "</xml> ";
-
- }
- //------------------------------
- //处理业务完毕
- //------------------------------
- BufferedOutputStream out = new BufferedOutputStream(
- response.getOutputStream());
- out.write(resXml.getBytes());
- out.flush();
- out.close();
- } else{
- System.out.println("通知签名验证失败---时间::::"+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
- }
至此,微信支付流程完毕
下边是相关工具类
[java]
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.io.OutputStreamWriter;
- import java.net.URL;
- import java.net.URLConnection;
-
- import com.entplus.log.entity.Log;
-
- public class HttpUtil {
-
- //private static final Log logger = Logs.get();
- private final static int CONNECT_TIMEOUT = 5000; // in milliseconds
- private final static String DEFAULT_ENCODING = "UTF-8";
-
- public static String postData(String urlStr, String data){
- return postData(urlStr, data, null);
- }
-
- public static String postData(String urlStr, String data, String contentType){
- BufferedReader reader = null;
- try {
- URL url = new URL(urlStr);
- URLConnection conn = url.openConnection();
- conn.setDoOutput(true);
- conn.setConnectTimeout(CONNECT_TIMEOUT);
- conn.setReadTimeout(CONNECT_TIMEOUT);
- if(contentType != null)
- conn.setRequestProperty("content-type", contentType);
- OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), DEFAULT_ENCODING);
- if(data == null)
- data = "";
- writer.write(data);
- writer.flush();
- writer.close();
-
- reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), DEFAULT_ENCODING));
- StringBuilder sb = new StringBuilder();
- String line = null;
- while ((line = reader.readLine()) != null) {
- sb.append(line);
- sb.append("\r\n");
- }
- return sb.toString();
- } catch (IOException e) {
- //logger.error("Error connecting to " + urlStr + ": " + e.getMessage());
- System.out.println("Error connecting to " + urlStr + ": " + e.getMessage());
- } finally {
- try {
- if (reader != null)
- reader.close();
- } catch (IOException e) {
- }
- }
- return null;
- }
- }
[java]
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Iterator;
- import java.util.Map;
- import java.util.Set;
- import java.util.SortedMap;
-
- public class PayCommonUtil {
-
- /**
- * 是否签名正确,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
- * @return boolean
- */
- public static boolean isTenpaySign(String characterEncoding, SortedMap<Object, Object> packageParams, String API_KEY) {
- StringBuffer sb = new StringBuffer();
- Set es = packageParams.entrySet();
- Iterator it = es.iterator();
- while(it.hasNext()) {
- Map.Entry entry = (Map.Entry)it.next();
- String k = (String)entry.getKey();
- String v = (String)entry.getValue();
- if(!"sign".equals(k) && null != v && !"".equals(v)) {
- sb.append(k + "=" + v + "&");
- }
- }
-
- sb.append("key=" + API_KEY);
-
- //算出摘要
- String mysign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toLowerCase();
- String tenpaySign = ((String)packageParams.get("sign")).toLowerCase();
-
- //System.out.println(tenpaySign + " " + mysign);
- return tenpaySign.equals(mysign);
- }
-
- /**
- * @author
- * @date 2016-4-22
- * @Description:sign签名
- * @param characterEncoding
- * 编码格式
- * @param parameters
- * 请求参数
- * @return
- */
- public static String createSign(String characterEncoding, SortedMap<Object, Object> packageParams, String API_KEY) {
- StringBuffer sb = new StringBuffer();
- Set es = packageParams.entrySet();
- Iterator it = es.iterator();
- while (it.hasNext()) {
- Map.Entry entry = (Map.Entry) it.next();
- String k = (String) entry.getKey();
- String v = (String) entry.getValue();
- if (null != v && !"".equals(v) && !"sign".equals(k) && !"key".equals(k)) {
- sb.append(k + "=" + v + "&");
- }
- }
- sb.append("key=" + API_KEY);
- String sign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toUpperCase();
- return sign;
- }
-
- /**
- * @author
- * @date 2016-4-22
- * @Description:将请求参数转换为xml格式的string
- * @param parameters
- * 请求参数
- * @return
- */
- public static String getRequestXml(SortedMap<Object, Object> parameters) {
- StringBuffer sb = new StringBuffer();
- sb.append("<xml>");
- Set es = parameters.entrySet();
- Iterator it = es.iterator();
- while (it.hasNext()) {
- Map.Entry entry = (Map.Entry) it.next();
- String k = (String) entry.getKey();
- String v = (String) entry.getValue();
- if ("attach".equalsIgnoreCase(k) || "body".equalsIgnoreCase(k) || "sign".equalsIgnoreCase(k)) {
- sb.append("<" + k + ">" + "<![CDATA[" + v + "]]></" + k + ">");
- } else {
- sb.append("<" + k + ">" + v + "</" + k + ">");
- }
- }
- sb.append("</xml>");
- return sb.toString();
- }
-
- /**
- * 取出一个指定长度大小的随机正整数.
- *
- * @param length
- * int 设定所取出随机数的长度。length小于11
- * @return int 返回生成的随机数。
- */
- public static int buildRandom(int length) {
- int num = 1;
- double random = Math.random();
- if (random < 0.1) {
- random = random + 0.1;
- }
- for (int i = 0; i < length; i++) {
- num = num * 10;
- }
- return (int) ((random * num));
- }
-
- /**
- * 获取当前时间 yyyyMMddHHmmss
- *
- * @return String
- */
- public static String getCurrTime() {
- Date now = new Date();
- SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");
- String s = outFormat.format(now);
- return s;
- }
-
- }
[java]
- package com.entplus.wxpay.util;
-
-
- public class PayConfigUtil {
- //这个就是自己要保管好的私有Key了(切记只能放在自己的后台代码里,不能放在任何可能被看到源代码的客户端程序中)
- // 每次自己Post数据给API的时候都要用这个key来对所有字段进行签名,生成的签名会放在Sign这个字段,API收到Post数据的时候也会用同样的签名算法对Post过来的数据进行签名和验证
- // 收到API的返回的时候也要用这个key来对返回的数据算下签名,跟API的Sign数据进行比较,如果值不一致,有可能数据被第三方给篡改
-
- private static String key = "";
-
- //微信分配的公众号ID(开通公众号之后可以获取到)
- private static String appID = "";
-
- //微信支付分配的商户号ID(开通公众号的微信支付功能之后可以获取到)
- private static String mchID = "";
-
-
-
- //机器IP
- private static String ip = "";
-
- //以下是几个API的路径:
- //1)被扫支付API
- //public static String PAY_API = "https://api.mch.weixin.qq.com/pay/micropay";
- public static String PAY_API = "https://api.mch.weixin.qq.com/pay/unifiedorder";
- //2)被扫支付查询API
- public static String PAY_QUERY_API = "https://api.mch.weixin.qq.com/pay/orderquery";
-
- //3)退款API
- public static String REFUND_API = "https://api.mch.weixin.qq.com/secapi/pay/refund";
-
- //4)退款查询API
- public static String REFUND_QUERY_API = "https://api.mch.weixin.qq.com/pay/refundquery";
-
- //5)撤销API
- public static String REVERSE_API = "https://api.mch.weixin.qq.com/secapi/pay/reverse";
-
- //6)下载对账单API
- public static String DOWNLOAD_BILL_API = "https://api.mch.weixin.qq.com/pay/downloadbill";
-
- //7) 统计上报API
- public static String REPORT_API = "https://api.mch.weixin.qq.com/payitil/report";
-
- //回调地址
- //public static String NOTIFY_URL = ""; //测试
-
-
- public static String HttpsRequestClassName = "com.entplus.wxpay.util.HttpsRequest";
-
- public static void setKey(String key) {
- PayConfigUtil.key = key;
- }
-
- public static void setAppID(String appID) {
- PayConfigUtil.appID = appID;
- }
-
- public static void setMchID(String mchID) {
- PayConfigUtil.mchID = mchID;
- }
-
- public static void setIp(String ip) {
- PayConfigUtil.ip = ip;
- }
-
- public static String getKey(){
- return key;
- }
-
- public static String getAppid(){
- return appID;
- }
-
- public static String getMchid(){
- return mchID;
- }
-
-
-
- public static String getIP(){
- return ip;
- }
-
- public static void setHttpsRequestClassName(String name){
- HttpsRequestClassName = name;
- }
-
- }
[java]
- 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;
-
- import org.jdom.Document;
- import org.jdom.Element;
- import org.jdom.JDOMException;
- import org.jdom.input.SAXBuilder;
-
- public class XMLUtil {
- /**
- * 解析xml,返回第一级元素键值对。如果第一级元素有子节点,则此节点的值是子节点的xml数据。
- * @param strxml
- * @return
- * @throws JDOMException
- * @throws IOException
- */
- 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("</" + name + ">");
- }
- }
-
- return sb.toString();
- }
-
- }
[java]
- import java.security.MessageDigest;
-
- public class MD5Util {
-
- private static String byteArrayToHexString(byte b[]) {
- StringBuffer resultSb = new StringBuffer();
- for (int i = 0; i < b.length; i++)
- resultSb.append(byteToHexString(b[i]));
-
- return resultSb.toString();
- }
-
- private static String byteToHexString(byte b) {
- int n = b;
- if (n < 0)
- n += 256;
- int d1 = n / 16;
- int d2 = n % 16;
- return hexDigits[d1] + hexDigits[d2];
- }
-
- public static String MD5Encode(String origin, String charsetname) {
- String resultString = null;
- try {
- resultString = new String(origin);
- MessageDigest md = MessageDigest.getInstance("MD5");
- if (charsetname == null || "".equals(charsetname))
- resultString = byteArrayToHexString(md.digest(resultString
- .getBytes()));
- else
- resultString = byteArrayToHexString(md.digest(resultString
- .getBytes(charsetname)));
- } catch (Exception exception) {
- }
- return resultString;
- }
-
- private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5",
- "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };
-
- }
开发过程中借助了网络资料,欢迎大家指正。