做相同网站违法吗,外贸网站案例,商城系统网站模板,黑马程序员培训机构怎么样Java微信支付之服务号支付实现#xff0c;网上的java微信支付sdk和Demo基本上是水的#xff0c;看着头疼所以我决心自己开始写Java微信支付之公众号支付#xff0c;多的不说见下面源码#xff0c;为了方便使用我分别用了两个Servlet#xff0c;一个是统一下单Unifiedorder…Java微信支付之服务号支付实现网上的java微信支付sdk和Demo基本上是水的看着头疼所以我决心自己开始写Java微信支付之公众号支付多的不说见下面源码为了方便使用我分别用了两个Servlet一个是统一下单UnifiedorderServlet一个是支付回调PayCallBackServlet你们可以自己封装。一是统一下单UnifiedorderServlet:import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.PrintWriter;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.URL;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.util.Random;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.http.ParseException;import org.apache.http.client.ClientProtocolException;import org.json.JSONArray;import org.json.JSONException;import org.json.JSONML;import org.json.JSONObject;public class UnifiedorderServlet extends HttpServlet {private static final long serialVersionUID 1L;private static final String appid ;// 找微信private static final String mch_id ;// 找微信public static final String api_key ;// 找微信private static final String trade_type JSAPI;// 写死public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {response.setContentType(text/html; charsetutf-8);PrintWriter out response.getWriter();JSONObject jso new JSONObject();double money 0.01;String openId , out_trade_no , body 测试, ip ;try {out.print(execute(out_trade_no, body, openId, money, ip, jso).toString());} catch (JSONException e) {e.printStackTrace();}out.flush();out.close();}/*** 微信服务号统一下单支付** param out_trade_no* 订单号* param body* 标题* param openId* 用户的openId* param money* 支付金额* param ip* 客户端ip* param request* HttpServletRequest* return* throws JSONException*/public JSONObject execute(String out_trade_no, String body, String openId, double money, String ip, JSONObject jso) throws JSONException {StringBuilder xml new StringBuilder();String notify_url https://test.com/payCallBack;// 支付回调地址String prepay_id , sign , charset UTF-8, nonce_str ;try {String weixinMoney new java.text.DecimalFormat(#).format(money * 100);// 微信是以分为单位的所以要乘以100nonce_str getRandomString(32);xml.append(appid).append(appid).append(body).append(new String(body.getBytes(charset), charset));// 处理中文xml.append(mch_id).append(mch_id).append(nonce_str).append(nonce_str);xml.append(¬ify_url).append(notify_url).append(openid).append(openId);xml.append(out_trade_no).append(out_trade_no).append(spbill_create_ip).append(ip);xml.append(total_fee).append(weixinMoney).append(trade_type).append(trade_type).append(key).append(api_key);sign MD5Purity(xml.toString());// System.out.println(xml);xml.delete(0, xml.length());xml.append();xml.append( ).append(appid).append();xml.append().append(body).append();xml.append( ).append(mch_id).append();xml.append( ).append(nonce_str).append();xml.append( ).append(openId).append();xml.append( ).append(notify_url).append();xml.append( ).append(out_trade_no).append();xml.append( ).append(ip).append();xml.append( ).append(weixinMoney).append();xml.append( ).append(trade_type).append();xml.append( ).append(sign).append();xml.append();HttpURLConnection conn (HttpURLConnection) new URL(https://api.mch.weixin.qq.com/pay/unifiedorder).openConnection();conn.setDoOutput(true);conn.setRequestMethod(POST);conn.setRequestProperty(Content-Type, text/xml);conn.setRequestProperty(Charset, charset);OutputStream os conn.getOutputStream();os.write(xml.toString().getBytes(charset));xml.delete(0, xml.length());os.close();int responseCode conn.getResponseCode();InputStreamReader in null;BufferedReader br null;if (responseCode 200) {in new InputStreamReader(conn.getInputStream(), charset);br new BufferedReader(in);String retData null;while ((retData br.readLine()) ! null)xml.append(retData);JSONArray childNodes JSONML.toJSONObject(xml.toString()).getJSONArray(childNodes);int len childNodes.length() - 1;for (int i len; i -1; i--) {JSONObject js childNodes.getJSONObject(i);if (js.get(tagName).equals(prepay_id)) {prepay_id js.getJSONArray(childNodes).getString(0);break;}}}if (in ! null)in.close();if (br ! null)br.close();conn.disconnect();// ----------------------------------给h5返回的数据String timeStamp System.currentTimeMillis() ;timeStamp timeStamp.substring(0, 10);// 微信只要精确到秒nonce_str getRandomString(32);jso.put(appId, appid);jso.put(nonceStr, nonce_str);jso.put(package, prepay_id prepay_id);jso.put(signType, MD5);jso.put(timeStamp, timeStamp);xml.delete(0, xml.length());xml.append(appId).append(appid);xml.append(nonceStr).append(nonce_str);xml.append(package).append(jso.getString(package));xml.append(signType).append(jso.getString(signType));xml.append(timeStamp).append(timeStamp);xml.append(key).append(api_key);sign MD5Purity(new String(xml.toString().getBytes(charset), charset));jso.put(paySign, sign);//返回的数据主要用在这地方 https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter7_7index6// ----------------------------------给h5返回的数据} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (ParseException e) {e.printStackTrace();} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return jso;}/*** MD5** param plainText* return*/public String MD5Purity(String plainText) {try {MessageDigest md MessageDigest.getInstance(MD5);md.update(plainText.getBytes(utf-8));byte b[] md.digest();int i;StringBuffer buf new StringBuffer();for (int offset 0; offset b.length; offset) {i b[offset];if (i 0)i 256;if (i 16)buf.append(0);buf.append(Integer.toHexString(i));}plainText buf.toString();} catch (NoSuchAlgorithmException e) {e.printStackTrace();} catch (UnsupportedEncodingException e) {e.printStackTrace();}return plainText.toUpperCase();}/*** 生成一个随机字符串** param length* 表示生成字符串的长度* return*/private String getRandomString(int length) {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();}}二是支付回调PayCallBackServlet:import java.io.BufferedReader;import java.io.IOException;import java.io.PrintWriter;import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.json.JSONArray;import org.json.JSONException;import org.json.JSONML;import org.json.JSONObject;public class PayCallBackServlet extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {response.setContentType(text/html; charsetutf-8);PrintWriter out response.getWriter();out.print(doWxServer(request));out.flush();out.close();}/*** 处理微信回调** param request* return* throws ServletException* throws IOException*/public String doWxServer(HttpServletRequest request) {System.out.println(微信服务号支付回调);String inputLine;StringBuilder notityXml new StringBuilder();BufferedReader bufferedReader null;try {bufferedReader request.getReader();while ((inputLine bufferedReader.readLine()) ! null)notityXml.append(inputLine);if (bufferedReader ! null)bufferedReader.close();if (notityXml.length() 10) {return fail;}String appid , total_fee , bank_type , cash_fee , fee_type , is_subscribe , mch_id , nonce_str ;String out_trade_no , transaction_id , openid , sign , result_code , return_code , time_end , trade_type ;JSONArray result JSONML.toJSONObject(notityXml.toString()).getJSONArray(childNodes);int len result.length();for (int i 0; i len; i) {JSONObject js result.getJSONObject(i);Object tagName js.get(tagName);if (tagName.equals(appid)) {appid js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(bank_type)) {bank_type js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(cash_fee)) {cash_fee js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(fee_type)) {fee_type js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(is_subscribe)) {is_subscribe js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(mch_id)) {mch_id js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(nonce_str)) {nonce_str js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(openid)) {openid js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(out_trade_no)) {out_trade_no js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(result_code)) {result_code js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(return_code)) {return_code js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(time_end)) {time_end js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(total_fee)) {total_fee js.getJSONArray(childNodes).getInt(0) ;} else if (tagName.equals(trade_type)) {trade_type js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(transaction_id)) {transaction_id js.getJSONArray(childNodes).getString(0);} else if (tagName.equals(sign)) {sign js.getJSONArray(childNodes).getString(0);}}StringBuilder str new StringBuilder();str.append(appid).append(appid).append(bank_type).append(bank_type).append(cash_fee).append(cash_fee).append(fee_type);str.append(fee_type).append(is_subscribe).append(is_subscribe).append(mch_id).append(mch_id).append(nonce_str);str.append(nonce_str).append(openid).append(openid).append(out_trade_no).append(out_trade_no).append(result_code).append(result_code).append(return_code).append(return_code).append(time_end).append(time_end).append(total_fee).append(total_fee);str.append(trade_type).append(trade_type).append(transaction_id).append(transaction_id).append(key).append(UnifiedorderServlet.api_key);if (!MD5Purity(str.toString()).equals(sign)) {// 验证签名System.out.println(微信服务号支付回调签名异常sign sign);System.out.println(str);System.out.println(result);return fail;}total_fee new java.text.DecimalFormat(#0.00).format(Double.parseDouble(total_fee) / 100);// 支付金额以分为单位return ;//成功后给微信返回数据} catch (JSONException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return fail;}/*** MD5** param plainText* return*/public String MD5Purity(String plainText) {try {MessageDigest md MessageDigest.getInstance(MD5);md.update(plainText.getBytes(utf-8));byte b[] md.digest();int i;StringBuffer buf new StringBuffer();for (int offset 0; offset b.length; offset) {i b[offset];if (i 0)i 256;if (i 16)buf.append(0);buf.append(Integer.toHexString(i));}plainText buf.toString();} catch (NoSuchAlgorithmException e) {e.printStackTrace();} catch (UnsupportedEncodingException e) {e.printStackTrace();}return plainText.toUpperCase();}}大功告成总结以上就是本文关于Java微信支付之服务号支付代码示例的全部内容希望对大家有所帮助。感兴趣的朋友可以继续参阅本站快速理解Java设计模式中的组合模式、Java编程接口调用的作用及代码分享、浅谈java中字符串数组、字符串、整形之间的转换等有什么问题可以随时留言小编会及时回复大家的。感谢朋友们对本站的支持
