微信支付分爲普通商戶版,服務商版以及銀行服務商版,我們主講服務商版。
官方地址:https://pay.weixin.qq.com/wiki/doc/api/sl.html
微信支付服務商模式
如果把服務商模式比作公司的話,普通商戶就好比個人。公司可以聘請很多“個人”(員工)。也就是說,服務商可以發展很多自己的子商戶。並且在費率上面服務商也是有優勢的。
服務商模式比普通商戶模式,從下單參數上面來看,主要多了子商戶號:sub_mch_id(必填),sub_appid和sub_openId(非必填)。
這裏我們選擇JSAPI支付。
1. 支付主要會用到5個參數
appid:微信公衆號(服務號)appid
appsecret:微信公衆平臺的 AppSecret(應用密鑰),用於獲取用戶openId
mchId:微信商戶ID
apiKey: 微信商戶平臺設置的 API密鑰-用於簽名驗證
sub_mchId:子商戶ID
點擊查看如何獲取支付參數,未更新,僅供參考
子商戶從通過商戶平臺,進件審覈通過之後,微信分配。
準備請求參數
ScanPayReqDataSp.java
package com.pay.wechat.protocol.pay_protocol;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
import com.pay.wechat.util.Config;
import com.pay.wechat.util.RandomStringGenerator;
import com.pay.wechat.util.Signature;
import com.pay.wechat.util.xmlstream.XStreamCDATA;
import com.tenet.util.DateUtil;
/**
* 統一下單請求數據模型-- 服務商版本<br>
*
* API接口地址說明:https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
*
* 是否需要證書: 不需要
*
* @author libaibai
* @version 1.0 2017年11月2日
*/
public class ScanPayReqDataSp {
// 更多詳情查看API接口地址說明
private String appid = ""; // 微信分配的公衆賬號ID(企業號corpid即爲此appId)
private String mch_id = ""; // 微信支付分配的商戶號
private String sub_appid; // 否 String(32) wxd678efh567hg6999
// // 微信分配的子商戶公衆賬號ID,如需在支付完成後獲取sub_openid則此參數必傳。
private String sub_mch_id;// 是 String(32) 1900000109 微信支付分配的子商戶號
private String device_info = ""; // 設備號(非必填)
private String nonce_str = ""; // 隨機字符串,不長於32位
private String sign = ""; // 簽名
private String body = ""; // 商品描述
private String detail = ""; // 商品詳情(非必填)
@XStreamCDATA
private String attach = ""; // 附加數據(非必填) - 目前存放車牌號或卡號
private String out_trade_no = ""; // 商戶訂單號,調用方產生,32個字符(必填***)
private String fee_type = ""; // 貨幣類型(非必填)
private int total_fee = 0; // 總金額(單位:分,必填***)
private String spbill_create_ip = ""; // 終端IP
private String time_start = ""; // 交易起始時間(格式爲yyyyMMddHHmmss)
private String time_expire = ""; // 交易結束時間(格式爲yyyyMMddHHmmss)
private String goods_tag = ""; // 商品標記(非必填)
// 通知地址,接收微信支付異步通知回調地址,通知url必須爲直接可訪問的url,不能攜帶參數。(以Config.java爲準)
private String notify_url = Config.NOTIFY_URL;
private String trade_type = "JSAPI"; // 交易類型,默認:JSAPI(JSAPI,NATIVE,APP)
private String product_id = ""; // 商品ID(trade_type=NATIVE,此參數必傳)
private String limit_pay = ""; // 指定支付方式(no_credit--指定不能使用信用卡支付)
private String openid = ""; // 用戶標識(trade_type=JSAPI,此參數必傳)
private String sub_openid = ""; // trade_type=JSAPI,此參數必傳,用戶在子商戶appid下的唯一標識。openid和sub_openid可以選傳其中之一,如果選擇傳sub_openid,則必須傳sub_appid。
public ScanPayReqDataSp(String appid, String mch_id, String sub_appid, String sub_mch_id, String key, String body, String detail, String attach,
String out_trade_no, int total_fee, String spbill_create_ip, String trade_type, String product_id, String openid, String sub_openid) {
this.appid = appid;
this.mch_id = mch_id;
this.sub_appid = sub_appid;
this.sub_mch_id = sub_mch_id;
this.body = body;
this.detail = detail;
this.attach = attach;
this.out_trade_no = out_trade_no;
this.total_fee = total_fee;
this.spbill_create_ip = spbill_create_ip;
this.trade_type = trade_type;
this.product_id = product_id;
this.openid = openid;
this.sub_openid = sub_openid;
// 需要附屬值字段,可在此處統一生成
this.nonce_str = RandomStringGenerator.getRandomStringByLength(32);
// 交易時間限制
this.time_start = DateUtil.getDateTimeStr(null); // 當前時間
long time_expireLong = DateUtil.getTimeStampLong() + Config.ORDER_EXPIRE_TIME;
this.time_expire = DateUtil.getDateTimeStr(DateUtil.getTimeStampToDate(time_expireLong)); // 當前時間+600秒
// sign簽名
// 根據API給的簽名規則進行簽名
this.sign = Signature.getSign(toMap(), key);
}
public String getAppid() {
return appid;
}
public void setAppid(String appid) {
this.appid = appid;
}
public String getMch_id() {
return mch_id;
}
public void setMch_id(String mch_id) {
this.mch_id = mch_id;
}
public String getDevice_info() {
return device_info;
}
public void setDevice_info(String device_info) {
this.device_info = device_info;
}
public String getNonce_str() {
return nonce_str;
}
public void setNonce_str(String nonce_str) {
this.nonce_str = nonce_str;
}
public String getSign() {
return sign;
}
public void setSign(String sign) {
this.sign = sign;
}
public String getBody() {
return body;
}
public void setBody(String body) {
this.body = body;
}
public String getDetail() {
return detail;
}
public void setDetail(String detail) {
this.detail = detail;
}
public String getAttach() {
return attach;
}
public void setAttach(String attach) {
this.attach = attach;
}
public String getOut_trade_no() {
return out_trade_no;
}
public void setOut_trade_no(String out_trade_no) {
this.out_trade_no = out_trade_no;
}
public String getFee_type() {
return fee_type;
}
public void setFee_type(String fee_type) {
this.fee_type = fee_type;
}
public int getTotal_fee() {
return total_fee;
}
public void setTotal_fee(int total_fee) {
this.total_fee = total_fee;
}
public String getSpbill_create_ip() {
return spbill_create_ip;
}
public void setSpbill_create_ip(String spbill_create_ip) {
this.spbill_create_ip = spbill_create_ip;
}
public String getTime_start() {
return time_start;
}
public void setTime_start(String time_start) {
this.time_start = time_start;
}
public String getTime_expire() {
return time_expire;
}
public void setTime_expire(String time_expire) {
this.time_expire = time_expire;
}
public String getGoods_tag() {
return goods_tag;
}
public void setGoods_tag(String goods_tag) {
this.goods_tag = goods_tag;
}
public String getNotify_url() {
return notify_url;
}
public void setNotify_url(String notify_url) {
this.notify_url = notify_url;
}
public String getTrade_type() {
return trade_type;
}
public void setTrade_type(String trade_type) {
this.trade_type = trade_type;
}
public String getProduct_id() {
return product_id;
}
public void setProduct_id(String product_id) {
this.product_id = product_id;
}
public String getLimit_pay() {
return limit_pay;
}
public void setLimit_pay(String limit_pay) {
this.limit_pay = limit_pay;
}
public String getOpenid() {
return openid;
}
public void setOpenid(String openid) {
this.openid = openid;
}
public String getSub_mch_id() {
return sub_mch_id;
}
public void setSub_mch_id(String sub_mch_id) {
this.sub_mch_id = sub_mch_id;
}
public String getSub_appid() {
return sub_appid;
}
public void setSub_appid(String sub_appid) {
this.sub_appid = sub_appid;
}
public String getSub_openid() {
return sub_openid;
}
public void setSub_openid(String sub_openid) {
this.sub_openid = sub_openid;
}
public Map<String, Object> toMap() {
Map<String, Object> map = new HashMap<String, Object>();
Field[] fields = this.getClass().getDeclaredFields();
for (Field field : fields) {
Object obj;
try {
obj = field.get(this);
if (obj != null) {
map.put(field.getName(), obj);
}
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
}
}
return map;
}
}
簽名工具類
package com.pay.wechat.util;
import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
import org.xml.sax.SAXException;
import com.wsimpl.bo.wx.einvoice.HMacShaUtil;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;
/**
* 簽名util 類
*
*
* @depc 將key修改成傳入,不從Configure類獲取
* @author libaibai
* @version 2.0 2016年2月22日
*/
public class Signature {
private static final Logger LOG = LogManager.getLogger(Signature.class);
/**
* 簽名算法
*
* @param o 要參與簽名的數據對象
* @return 簽名
* @throws IllegalAccessException
*/
public static String getSign(Object o, String key) throws IllegalAccessException {
ArrayList<String> list = new ArrayList<String>();
Class<?> cls = o.getClass();
Field[] fields = cls.getDeclaredFields();
for (Field f : fields) {
f.setAccessible(true);
if (f.get(o) != null && f.get(o) != "") {
list.add(f.getName() + "=" + f.get(o) + "&");
}
}
int size = list.size();
String[] arrayToSort = list.toArray(new String[size]);
Arrays.sort(arrayToSort, String.CASE_INSENSITIVE_ORDER);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < size; i++) {
sb.append(arrayToSort[i]);
}
String result = sb.toString();
result += "key=" + key;
result = MD5.MD5Encode(result).toUpperCase();
return result;
}
/**
* 簽名算法
*
* @param map
* @param key
* @return
*/
public static String getSign(Map<String, Object> map, String key) {
ArrayList<String> list = new ArrayList<String>();
for (Map.Entry<String, Object> entry : map.entrySet()) {
if (entry.getValue() != "") {
list.add(entry.getKey() + "=" + entry.getValue() + "&");
}
}
int size = list.size();
String[] arrayToSort = list.toArray(new String[size]);
Arrays.sort(arrayToSort, String.CASE_INSENSITIVE_ORDER);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < size; i++) {
sb.append(arrayToSort[i]);
}
String result = sb.toString();
result += "key=" + key;
result = MD5.MD5Encode(result).toUpperCase();
return result;
}
/**
* 簽名算法( HMAC-SHA256)
*
* @param map
* @param key
* @return
*/
public static String getSignSha(Map<String, Object> map, String key) {
ArrayList<String> list = new ArrayList<String>();
for (Map.Entry<String, Object> entry : map.entrySet()) {
if (entry.getValue() != "") {
list.add(entry.getKey() + "=" + entry.getValue() + "&");
}
}
int size = list.size();
String[] arrayToSort = list.toArray(new String[size]);
Arrays.sort(arrayToSort, String.CASE_INSENSITIVE_ORDER);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < size; i++) {
sb.append(arrayToSort[i]);
}
String result = sb.toString();
result += "key=" + key;
result = HMacShaUtil.sha256_HMAC(result, key).toUpperCase();
return result;
}
/**
* 從API返回的XML數據裏面重新計算一次簽名
*
* @param responseString API返回的XML數據
* @return 新鮮出爐的簽名
* @throws ParserConfigurationException
* @throws IOException
* @throws SAXException
*/
public static String getSignFromResponseString(String responseString, String key)
throws IOException, SAXException, ParserConfigurationException {
Map<String, Object> map = XMLParser.getMapFromXML(responseString);
// 清掉返回數據對象裏面的Sign數據(不能把這個數據也加進去進行簽名),然後用簽名算法進行簽名
map.put("sign", "");
// 將API返回的數據根據用簽名算法進行計算新的簽名,用來跟API返回的簽名進行比較
return Signature.getSign(map, key);
}
/**
* 檢驗API返回的數據裏面的簽名是否合法,避免數據在傳輸的過程中被第三方篡改
*
* @param responseString API返回的XML數據字符串
* @return API簽名是否合法
* @throws ParserConfigurationException
* @throws IOException
* @throws SAXException
*/
public static boolean checkIsSignValidFromResponseString(String responseString, String key)
throws ParserConfigurationException, IOException, SAXException {
Map<String, Object> map = XMLParser.getMapFromXML(responseString);
String signFromAPIResponse = map.get("sign").toString();
if (signFromAPIResponse == "" || signFromAPIResponse == null) {
LOG.error("API返回的數據簽名數據不存在,有可能被第三方篡改!!!");
return false;
}
// 清掉返回數據對象裏面的Sign數據(不能把這個數據也加進去進行簽名),然後用簽名算法進行簽名
map.put("sign", "");
// 將API返回的數據根據用簽名算法進行計算新的簽名,用來跟API返回的簽名進行比較
String signForAPIResponse = Signature.getSign(map, key);
if (!signForAPIResponse.equals(signFromAPIResponse)) {
// 簽名驗不過,表示這個API返回的數據有可能已經被篡改了
LOG.error("API返回的數據簽名數據不存在,有可能被第三方篡改!!!");
return false;
}
return true;
}
}
支付請求類
ScanPayService .java
package com.pay.wechat.service;
import org.springframework.stereotype.Component;
import com.pay.wechat.protocol.pay_protocol.ScanPayReqDataSp;
import com.pay.wechat.util.Config;
/**
* 支付請求
*
* @author libaibai
* @version 1.0 2015年8月31日
*/
@Component
public class ScanPayService extends BaseService {
/**
* 請求支付服務-- 服務商版
*
* @param scanPayReqData 這個數據對象裏面包含了API要求提交的各種數據字段
* @return API返回的數據
* @throws Exception
*/
public String requestSp(ScanPayReqDataSp scanPayReqDataSp) throws Exception {
super.apiURL = Config.UNIFIEDORDER_API;
// --------------------------------------------------------------------
// 發送HTTPS的Post請求到API地址
// --------------------------------------------------------------------
String responseString = sendPost(scanPayReqDataSp);
return responseString;
}
}
BaseService.java
package com.pay.wechat.service;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import javax.annotation.Resource;
import com.dlys.pay.wechat.util.HttpsRequest;
/**
*
* @author libaibai
*
*/
public class BaseService {
// API的地址
public String apiURL;
// 發請求的HTTPS請求器
@Resource
private HttpsRequest httpsRequest;
protected String sendPost(Object xmlObj) throws UnrecoverableKeyException, IOException,
NoSuchAlgorithmException, KeyStoreException, KeyManagementException,
ClassNotFoundException, InstantiationException, IllegalAccessException {
return httpsRequest.sendPost(apiURL, xmlObj);
}
}
HttpsRequest.java
package com.pay.wechat.util;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import javax.net.ssl.SSLContext;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.stereotype.Component;
import com.pay.wechat.protocol.pay_protocol.ScanPayReqDataSp;
import com.pay.wechat.util.xmlstream.XStreamFactory;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.XmlFriendlyNameCoder;
/**
* HTTP 請求類
*
* @author libaibai
* @version 1.0 2015年8月31日
*/
@Component
public class HttpsRequest {
public interface ResultListener {
public void onConnectionPoolTimeoutError();
}
private static Logger LOG = LogManager.getLogger(HttpsRequest.class);
private boolean hasInit = false;
// 連接超時時間,默認10秒
private int socketTimeout = 10000;
// 傳輸超時時間,默認30秒
private int connectTimeout = 30000;
// 請求器的配置
private RequestConfig requestConfig;
// HTTP請求器
private CloseableHttpClient httpClient;
/**
* 證書初始化
*
* @throws UnrecoverableKeyException
* @throws KeyManagementException
* @throws NoSuchAlgorithmException
* @throws KeyStoreException
* @throws IOException
*/
public HttpsRequest() throws UnrecoverableKeyException, KeyManagementException, NoSuchAlgorithmException, KeyStoreException, IOException {
init();
}
private void init() throws IOException, KeyStoreException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyManagementException {
KeyStore keyStore = KeyStore.getInstance("PKCS12");
InputStream instream = HttpsRequest.class.getClassLoader().getResourceAsStream(Configure.CERTLOCAL_PATHx);// 加載本地的證書進行https加密傳輸
try {
keyStore.load(instream, Configure.CERTPASSWORD.toCharArray());// 設置證書密碼
} catch (Exception e) {
LOG.error("加載證書異常", e);
} finally {
instream.close();
}
SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, Configure.CERTPASSWORD.toCharArray()).build();
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext, new String[] { "TLSv1" }, null,
SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
httpClient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
// 根據默認超時限制初始化requestConfig
requestConfig = RequestConfig.custom().setSocketTimeout(socketTimeout).setConnectTimeout(connectTimeout).build();
hasInit = true;
}
/**
* 通過Https往API GET
*
* @param url API地址
* @return API回包的實際數據
* @throws IOException
* @throws KeyStoreException
* @throws UnrecoverableKeyException
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
*/
public String sendGET(String url)
throws IOException, KeyStoreException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyManagementException {
if (!hasInit) {
init();
}
String result = null;
HttpGet httpGet = new HttpGet(url);
// 得指明使用UTF-8編碼,否則到API服務器XML的中文不能被成功識別
httpGet.addHeader("Content-Type", "text/xml");
// 設置請求器的配置
httpGet.setConfig(requestConfig);
try {
HttpResponse response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
result = EntityUtils.toString(entity, "UTF-8");
} catch (Exception e) {
LOG.error("HTTP Get請示異常", e);
} finally {
httpGet.abort();
}
return result;
}
/**
* 通過Https往API post
*
* @param url API地址
* @param Object 要提交的Object數據對象
* @return API回包的實際數據
* @throws IOException
* @throws KeyStoreException
* @throws UnrecoverableKeyException
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
*/
public String sendPostObject(String url, HttpEntity postEntity)
throws IOException, KeyStoreException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyManagementException {
if (!hasInit) {
init();
}
String result = null;
HttpPost httpPost = new HttpPost(url);
httpPost.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.MULTIPART_FORM_DATA.getMimeType());
httpPost.setEntity(postEntity);
// 設置請求器的配置
httpPost.setConfig(requestConfig);
try {
HttpResponse response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
result = EntityUtils.toString(entity, "UTF-8");
} catch (Exception e) {
LOG.error("HTTP POST 請求異常", e);
} finally {
httpPost.abort();
}
return result;
}
/**
* 通過Https往API post xml數據
*
* @param url API地址
* @param xmlObj 要提交的XML數據對象
* @return API回包的實際數據
* @throws IOException
* @throws KeyStoreException
* @throws UnrecoverableKeyException
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
*/
public String sendPost(String url, Object xmlObj)
throws IOException, KeyStoreException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyManagementException {
if (!hasInit) {
init();
}
String result = null;
HttpPost httpPost = new HttpPost(url);
// 解決XStream對出現雙下劃線的bug
// XStream xStreamForRequestPostData = new XStream(new DomDriver("UTF-8",
// new XmlFriendlyNameCoder("-_", "_")));
XStream xStream = XStreamFactory.getXStream(new XmlFriendlyNameCoder("_-", "_"));
// 將要提交給API的數據對象轉換成XML格式數據Post給API
String postDataXML = xStream.toXML(xmlObj);
LOG.info("請求微信接口->url=" + url + ",data=" + postDataXML);
// LOG.info("data="+StringEscapeUtils.unescapeXml(postDataXML));// 轉義字符
// 得指明使用UTF-8編碼,否則到API服務器XML的中文不能被成功識別
StringEntity postEntity = new StringEntity(postDataXML, "UTF-8");
httpPost.addHeader("Content-Type", "text/xml");
httpPost.setEntity(postEntity);
// 設置請求器的配置
httpPost.setConfig(requestConfig);
try {
HttpResponse response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
result = EntityUtils.toString(entity, "UTF-8");
} catch (Exception e) {
LOG.error("HTTP POST 請求異常", e);
} finally {
// httpPost.abort();
httpPost.releaseConnection();
}
return result;
}
/**
* 設置連接超時時間
*
* @param socketTimeout 連接時長,默認10秒
*/
public void setSocketTimeout(int socketTimeout) {
this.socketTimeout = socketTimeout;
resetRequestConfig();
}
/**
* 設置傳輸超時時間
*
* @param connectTimeout 傳輸時長,默認30秒
*/
public void setConnectTimeout(int connectTimeout) {
this.connectTimeout = connectTimeout;
resetRequestConfig();
}
private void resetRequestConfig() {
requestConfig = RequestConfig.custom().setSocketTimeout(socketTimeout).setConnectTimeout(connectTimeout).build();
}
/**
* 允許商戶自己做更高級更復雜的請求器配置
*
* @param requestConfig 設置HttpsRequest的請求器配置
*/
public void setRequestConfig(RequestConfig requestConfig) {
this.requestConfig = requestConfig;
}
}
UnifiedOrderSp .java
package com.dlys.pay.wechat;
import java.util.Map;
import javax.annotation.Resource;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.stereotype.Component;
import com.dlys.pay.wechat.protocol.pay_protocol.ScanPayReqDataSp;
import com.dlys.pay.wechat.service.ScanPayService;
import com.dlys.pay.wechat.util.Util;
import com.dlys.pay.wechat.util.XMLParser;
/**
* 微信支付統一下單公用入口--服務商版本
*
* @author libaibai
* @version 1.0 2017年11月2日
*/
@Component
public class UnifiedOrderSp {
private static final Logger LOG = LogManager.getLogger(UnifiedOrderSp.class);
@Resource
private ScanPayService scanPayService; // wechat sdk
/**
* 微信支付統一下單(JSAPI)
*/
public Map<String, Object> unifiedOrderJSAPI(String appid, String mch_id,String sub_appid, String sub_mch_id, String key,
String body, String detail, String attach, String out_trade_no, int total_fee, String spbill_create_ip,
String openid, String sub_openid) {
return this.unifiedOrder(appid, mch_id, sub_appid, sub_mch_id, key, body, detail, attach, out_trade_no, total_fee,
spbill_create_ip, "JSAPI", Util.getProduct_id(), openid, sub_openid);
}
/**
* 微信支付統一下單(JSAPI/NATIVE/APP方法均可)
*
* @param appid 公衆號的唯一標識
* @param mch_id 微信支付分配的商戶號
* @param key 微信應用祕鑰
* @param body 商品名稱
* @param detail 商品詳情(非必填)
* @param attach 附加數據(非必填) - 目前存放車牌號或卡號
* @param out_trade_no 商戶訂單號
* @param total_fee 支付金額(單位:分)
* @param spbill_create_ip 終端IP
* @param trade_type 交易類型(JSAPI/NATIVE/APP)
* @param product_id 商品ID(trade_type=NATIVE時,必填)
* @param openid 用戶標識(trade_type=JSAPI時,必填)
* @return 響應信息
*/
private Map<String, Object> unifiedOrder(String appid, String mch_id, String sub_appid, String sub_mch_id,
String key, String body, String detail, String attach, String out_trade_no, int total_fee,
String spbill_create_ip, String trade_type, String product_id, String openid, String sub_openid) {
ScanPayReqDataSp data = new ScanPayReqDataSp(appid, mch_id, sub_appid, sub_mch_id, key, body, detail, attach,
out_trade_no, total_fee, spbill_create_ip, trade_type, product_id, openid, sub_openid);
// LOG.info("微信支付統一下單參數:" + JSONObject.fromObject(data).toString());
try {
String xmlMsg = scanPayService.requestSp(data);
// LOG.info("微信支付統一下單返回數據:" + XMLParser.getMapFromXML(xmlMsg));
return XMLParser.getMapFromXML(xmlMsg);
} catch (Exception e) {
LOG.error("微信支付統一下單時出錯!", e);
return null;
}
}
}
以上是支付的工具類,基本上只要是微信支付API,都是通用的
以下是業務代碼,大家自行修改
GetPayOrder.java
package com.pay.wechat.bo;
import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Resource;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.fastquery.service.FQuery;
import org.springframework.stereotype.Component;
import com.db.ParkingCarInfoDBService;
import com.db.PayOrderDBService;
import com.db.PunitDBService;
import com.db.PunitParamDBService;
import com.pay.bo.ParkingPayBo;
import com.pay.bo.PayOrderBo;
import com.pay.bo.PayOrderSpBo;
import com.pay.wechat.UnifiedOrder;
import com.pay.wechat.UnifiedOrderSp;
import com.pay.wechat.WxPayBo;
import com.pay.wechat.protocol.JsapiRequestData;
import com.wsimpl.bo.operate.InvoiceBusinessBo;
import com.wsimpl.bo.wx.WxCardBo;
import com.bean.ParkingCarInfo;
import com.bean.PayOrder;
import com.bean.Punit;
import com.bean.WxCard;
import com.util.ChargeMoneyUtil;
import com.util.Config;
import com.util.Const;
import com.util.bean.ChargeMoneyBean;
import com.util.DateUtil;
import com.util.lang.StringUtil;
/**
* 生成支付訂單,微信統一下單,並返回調取JSAPI所需參數
*
* @author libaibai
* @version 1.0 2016年3月4日
*/
@Component
public class GetPayOrder {
private static final Logger LOG = LogManager.getLogger(GetPayOrder.class);
/* db */
private PunitDBService punitDBService = FQuery.getRepository(PunitDBService.class); // 物業單位
private PunitParamDBService punitParamDBService = FQuery
.getRepository(PunitParamDBService.class); // 物業單位
private PayOrderDBService payOrderDBService = FQuery.getRepository(PayOrderDBService.class); // 物業單位
private ParkingCarInfoDBService parkingCarInfoDBService = FQuery
.getRepository(ParkingCarInfoDBService.class); // 在場車輛信息
/* 微信支付相關 */
@Resource
private PayOrderBo payOrderBo; // 支付總訂單
@Resource
private PayOrderSpBo payOrderSpBo; // 支付總訂單-- 服務商
@Resource
private WxPayBo weChatBo; // 微信支付共用類
@Resource
private UnifiedOrder unifiedOrder; // 微信支付統一下單
@Resource
private UnifiedOrderSp unifiedOrderSp; // 微信支付統一下單 -- 服務商
@Resource
private ParkingPayBo parkingPayBo;
@Resource
private ChargeMoneyUtil chargeMoneyUtil;
@Resource
private InvoiceBusinessBo invoiceBusinessBo;
/**
* 執行方法
*
* @param code
* @param punitId
* @param iden
* @param chargeMoney
* @return
*/
public Map<String, Object> get(String code, Long punitId, String iden, Double chargeMoney,
Long channelId, Long ruid, Long outTime, String cardId, String encryptCode) {
LOG.info("weixin_下單請求,punitId=" + punitId + ",iden=" + iden + ",chargeMoney=" + chargeMoney +
",channelId=" + channelId + ",ruid=" + ruid + ",outTime=" + outTime);
Map<String, Object> returnMap = new HashMap<String, Object>(); // 返回Map
// 參數不完整
if (punitId == null || punitId.longValue() <= 0 || code == null || "".equals(code.trim())) {
LOG.error("信息不完整,請返回重新進入,punitId=" + punitId + ",code=" + code);
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "信息不完整,請返回重新進入");
return returnMap;
}
// 獲取停車場微信支付所需參數appid,mch_id,appSecret,key -- begin
Punit punit = punitDBService.findById(punitId);
if (punit == null) {
LOG.error("信息不完整,請返回重新進入,未找到停車場信息,punitId=" + punitId);
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "信息不完整,請返回重新進入");
return returnMap;
}
// 停車場對應公衆號基本參數(雲平臺填入),如果是泊鏈支付,則直接使用德立雲停車參數
String appid = punit.getAppId();
String mch_id = punit.getMchId();
String appSecret = punit.getAppSecret();
String key = punit.getWx_key();
String sub_mchId = punit.getSub_mchId();
// 微信支付所需參數不完整
if (StringUtils.isEmpty(mch_id) && StringUtils.isEmpty(sub_mchId)) {
LOG.error("信息不完整,請返回重新進入,必須參數不完整");
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "信息不完整,請返回重新進入");
return returnMap;
}
// 獲取停車場微信支付所需參數appid,mch_id,appSecret,key -- end
// 判斷是否啓用服務商
Map<String, Object> map = punitParamDBService.findParam(punitId);
int isSpPay = 0;
if (map != null && !map.isEmpty()) {
isSpPay = Const.getInteger(map.get("isSpPay"));
}
// 使用德立雲停車爲服務商
String subappid = null;
String openid = null;
String sub_openid = null;
if (isSpPay == 1) {
appid = Config.APPID;
mch_id = Config.MCHIDSP;
appSecret = Config.APPSECRET;
key = Config.APIKEY;
openid = weChatBo.getOauth2Openid(appid, appSecret, code);
} else if (isSpPay == 2) {
subappid = Config.APPID;
sub_openid = weChatBo.getOauth2Openid(subappid, Config.APPSECRET, code);
} else {
openid = weChatBo.getOauth2Openid(appid, appSecret, code);
}
if (StringUtils.isEmpty(openid) && StringUtils.isEmpty(sub_openid)) {
LOG.error("信息不完整,請返回重新進入,openId爲空, appid=" + appid + ",appSecret=" + appSecret + ",isSpPay=" + isSpPay + ",code=" + code);
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "信息不完整,請返回重新進入");
return returnMap;
}
// db查詢-用戶停車信息
ParkingCarInfo pcInfo = null;
try {
pcInfo = parkingCarInfoDBService.findByIden(iden);
} catch (Exception e) {
pcInfo = null;
LOG.error("根據iden查詢停車信息時出錯!", e);
}
// 無停車信息
if (pcInfo == null) {
LOG.error("信息不完整,請返回重新進入,未找到在場車輛信息,iden=" + iden);
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "信息不完整,請返回重新進入");
return returnMap;
}
// 判斷是否二次繳費,0元不需要繳費
byte isEmptyPay = Const.getByte(map.get("isEmptyPay")); // 支持0元支付
if (pcInfo.getPayTime() != null && pcInfo.getPayTime() > 0 || isEmptyPay == 0) {
if (chargeMoney == null || chargeMoney.doubleValue() <= 0) {
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "0元不需繳費");
return returnMap;
}
}
// 重新計算繳費金額
ChargeMoneyBean chargeMoneyBean = null;
long orderDate = 0;
// 如果存在出場時間,而且在5分鐘之內(考慮到存在時間差)
if (outTime != null && outTime > 0 && (Math.abs(DateUtil.getTimeStampLong() - outTime.longValue()) <= 5 * 60)) {
chargeMoneyBean = chargeMoneyUtil.getMoney(pcInfo, punit, outTime);
orderDate = outTime;
} else {
chargeMoneyBean = chargeMoneyUtil.getMoney(pcInfo, punit);
orderDate = DateUtil.getTimeStampLong();
}
double chargeMoneydb = StringUtil.getDoubleDecimal(Const.getDouble(chargeMoneyBean.getRealMoney()), 2);
if (chargeMoney.doubleValue() != chargeMoneydb) {
LOG.warn("weixin_下單失敗,punitId=" + punitId + ", plateNum=" + pcInfo.getPlate() + ",頁面金額chargeMoney=" + chargeMoney
+ ",重新計算金額chargeMoneydb=" + chargeMoneydb);
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "下單失敗,請返回重新進入");
return returnMap;
}
double saleMoney = chargeMoneyBean.getSaleMoney();
Double shouldPay = chargeMoney;// 實付金額(可能會有優惠卷)
LOG.info("GetPayOrder-微信支付開始保存訂單,punitId=" +punitId + ",plateNum=" + pcInfo.getPlate() + ",iden=" + iden );
// 保存支付總訂單表- (byte) 1
PayOrder payOrder = null;
if (isSpPay == 0) {
byte payway = 0; // 支付途徑
payOrder = payOrderBo.savePayOrderToParkingPay(payway, (byte) 1, iden, punit.getTenantId(), punitId, ruid, pcInfo.getPlate(),
pcInfo.getCardNo(), pcInfo.getEntranceTime(), chargeMoney, appid, mch_id, openid, saleMoney, channelId, 0L, orderDate);
} else {
payOrder = payOrderSpBo.savePayOrderToParkingPay((byte) 1, iden, punit.getTenantId(), punitId, ruid, pcInfo.getPlate(),
pcInfo.getCardNo(), chargeMoney, saleMoney, appid, mch_id, openid, sub_mchId, pcInfo.getEntranceTime(), channelId, 0L, (byte) 0, orderDate);
}
if (payOrder == null) {
LOG.error("weixin_保存訂單失敗");
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "下單失敗,請返回重新進入");
return returnMap;
}
// 0元支付
if (chargeMoney.doubleValue() == 0) {
LOG.info("weixin-0元支付成功,punitId=" + punitId + ",plateNum=" + pcInfo.getPlate());
// 修改訂單信息
PayOrder temp = FQuery.reset(PayOrder.class);
temp.setId(payOrder.getId());
temp.setPayState((byte) 1);
temp.setPayTime(DateUtil.getTimeStampLong());
payOrder = payOrderDBService.update(temp);
// 處理在場車輛信息
parkingPayBo.handle(payOrder);
returnMap.put("isPay", "2");
returnMap.put("errorMsg", "支付成功");
return returnMap;
}
// 微信統一下單,調用公用入口
String body = punit.getUnitName() + "-停車費("
+ (pcInfo.getPlate() == null ? "" : pcInfo.getPlate()) + ")";
String detail = body; // 商品詳情
String attach = pcInfo.getPlate(); // 車牌號
if (attach == null || "".equals(attach)) {
attach = pcInfo.getCardNo();
}
// 判斷是否開通微信無感支付
if (Const.getByte(punit.getIsWxFreePay()) == 1) {
attach = "#*#{\"pn\":\""+pcInfo.getPlate()+"\",\"aid\":\""+appid+"\", \"vm\":\"true\"}#*#";
LOG.info("wx-判斷是否開通無感支付,attach=" + attach + ",plateNum=" + pcInfo.getPlate());
}
String out_trade_no = payOrder.getPayOrderId();
Double payMoney = shouldPay * 100;
int total_fee = payMoney.intValue();
String spbill_create_ip = "127.0.0.1";
//開發票參數
String receipt = null;
if(isSpPay==0){
boolean openWxFaPiaoByAfterPay = invoiceBusinessBo.isOpenWxFaPiaoByAfterPay(punitId, "LTC");
if(openWxFaPiaoByAfterPay){
receipt = "Y";
}
}
Map<String, Object> unifiedOrderMap = null;
if (isSpPay == 0) {
unifiedOrderMap = unifiedOrder.unifiedOrderJSAPI(appid, mch_id, key, body, detail,
attach, out_trade_no, total_fee, spbill_create_ip, openid,receipt);
} else {
unifiedOrderMap = unifiedOrderSp.unifiedOrderJSAPI(appid, mch_id, subappid, sub_mchId, key, body,
detail, attach, out_trade_no, total_fee, spbill_create_ip, openid, sub_openid);
}
if (unifiedOrderMap == null) {
returnMap.put("isPay", "0");
returnMap.put("errorMsg", "下單失敗,請返回重新進入");
return returnMap;
}
// 下單成功,組裝JSAPI調用所需參數
try {
if ("SUCCESS".equals(unifiedOrderMap.get("result_code"))) {
// 組裝JSAPI調用所需參數
String timeStamp = DateUtil.getTimeStamp();
String nonceStr = Const.getStr(unifiedOrderMap.get("nonce_str"));
String package1 = "prepay_id=" + Const.getStr(unifiedOrderMap.get("prepay_id"));
JsapiRequestData jsapiRequestData = new JsapiRequestData(appid, key, timeStamp,
nonceStr, package1);
String paySign = jsapiRequestData.getPaySign();
// 組裝頁面響應Map
returnMap.put("isPay", "1");
returnMap.put("appid", appid);
returnMap.put("timeStamp", timeStamp);
returnMap.put("nonceStr", Const.getStr(unifiedOrderMap.get("nonce_str")));
returnMap.put("package1", package1);
returnMap.put("signType", "MD5");
returnMap.put("paySign", paySign);
returnMap.put("payOrderId", payOrder.getPayOrderId());
}
} catch (Exception e) {
LOG.error("下單成功,組裝JSAPI調用所需參數時出錯!", e);
}
return returnMap;
}
/**
* 乘 2位小數 四捨五入
*
* @param value1
* @param value2
* @return
*/
private Double mul(Double value1, Double value2) {
BigDecimal b1 = new BigDecimal(Double.toString(value1));
BigDecimal b2 = new BigDecimal(Double.toString(value2));
BigDecimal multiply = b1.multiply(b2);
return multiply.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
}
/**
* 減 2位小數 四捨五入
*
* @param value1
* @param value2
* @return
*/
public Double sub(Double value1, Double value2) {
BigDecimal b1 = new BigDecimal(Double.toString(value1));
BigDecimal b2 = new BigDecimal(Double.toString(value2));
BigDecimal sub = b1.subtract(b2);
return sub.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
}
}
後臺下單成功之後,我們在jsp頁面就可以調起微信支付了
// 微信公衆號支付
function weixinpay (wxCode, punitId, iden, chargeMoney, channelId) {
var encryptCode=$("#encryptCode").val();
var cardId=$("#cardId").val();
var outTime=$("#outTime").val();
// 統一下單返回JS調取支付所需參數
$.tenetAjax({
url: PATH + "/punitWS/getPayOrder",
data: {'code':wxCode,'punitId':punitId,'iden':iden,'chargeMoney':chargeMoney,'channelId':channelId, 'outTime':outTime, 'cardId':cardId,'encryptCode':encryptCode},//卡券傳值
async: false,
success: function(data){
//alert(JSON.stringify(data));
if(data.payOrderMap==null){
$("#iformbtndID").html('<a class="btna bg1">支付失敗,請返回重新進入</a>');
return;
}
var isPay = data.payOrderMap.isPay;
var errorMsg = data.payOrderMap.errorMsg;
if(isPay==null || isPay==0){
alert(errorMsg);
$("#iformbtndID").html('<a class="btna bg1">'+errorMsg+'</a>');
return;
} else if (isPay==2) {
$("#iformbtndID").html('<p>支付成功</p>');
return;
}
// JS調取微信支付
var appid = data.payOrderMap.appid;
var timeStamp = data.payOrderMap.timeStamp;
var nonceStr = data.payOrderMap.nonceStr;
var package1 = data.payOrderMap.package1;
var signType = data.payOrderMap.signType;
var paySign = data.payOrderMap.paySign;
var payOrderId = data.payOrderMap.payOrderId;
if (typeof window.WeixinJSBridge == "undefined"){
$(document).on('WeixinJSBridgeReady',function(){
onBridgeReady(appid, timeStamp, nonceStr, package1, signType, paySign, payOrderId);
})
} else {
onBridgeReady(appid, timeStamp, nonceStr, package1, signType, paySign, payOrderId);
}
}
});
}
// JS調取微信支付
function onBridgeReady(appId, timeStamp, nonceStr, package1, signType,
paySign, payOrderId) {
WeixinJSBridge.invoke('getBrandWCPayRequest', {
"appId" : appId, //公衆號名稱,由商戶傳入
"timeStamp" : timeStamp, //時間戳,自1970年以來的秒數
"nonceStr" : nonceStr, //隨機串
"package" : package1, //訂單詳情擴展字符串
"signType" : signType, //微信簽名方式MD5
"paySign" : paySign
//微信簽名
}, function(res) {
// alert(res.err_msg);
if (res.err_msg == null) {
$("#iformbtndID").html('<a class="btna bg1">支付失敗,請返回重新進入</a>');
return;
}
// 支付成功
if (res.err_msg == "get_brand_wcpay_request:ok") {
var punitId = $("#punitId").val();
var stayTime = $("#outDelayID").text();
var unitName= $("#unitNameID").text();
var chargeMoney = $("#chargeMoney").val();
window.location.href="paysuc?punitId="+punitId+"&payOrderId="+payOrderId+"&stayTime="+stayTime+"&unitName="+unitName+"&payMoney="+chargeMoney;
return;
} else {
$("#iformbtndID").html('<a class="btna bg1">支付失敗,請返回重新進入</a>');
return;
}
});
}
ok,微信支付就到此結束了