多平台统一管理软件接口，如何实现多平台统一管理软件接口
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2023-02-08
java微信公众号支付开发之现金红包
java微信公众号支付开发之现金红包
需要调用商户平台的接口,接口发放规则如下:
1.发送频率限制——默认1800/min
2.发送个数上限——按照默认1800/min算
3.金额上限——根据传入场景id不同默认上限不同，可以在商户平台产品设置进行设置和申请，最大不大于4999元/个
4.其他的“量”上的限制还有哪些？——用户当天的领取上限次数,默认是10
5.如果量上满足不了我们的需求，如何提高各个上限？——金额上限和用户当天领取次数上限可以在商户平台进行设置
注意-红包金额大于200时，请求参数scene_id必传，参数说明见下文。
注意2-根据监管要求，新申请商户号使用现金红包需要满足两个条件：1、入驻时间超过90天 2、连续正常交易30天。
请求Url https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack
是否需要证书 是（证书及使用说明详见商户证书）
请求方式 POST
请求数据示例：
接口需要调用商户平台的证书，证书需要去商户平台下载：
然后在接口中使用证书，首先我们新建一个WeixinSSL 类
@Component
public class WeiXinSSL {
/**
* 证书类型
*/
@Value("${werchant.storekey}")
private String storekey;
/**
* 文件路径
*/
@Value("${werchant.ssLfile}")
private String ssLfile;
/**
* 商户号
*/
@Value("${werchant.merchantNumber}")
private String merchantNumber;
public String getStorekey() {
return storekey;
}
public void setStorekey(String storekey) {
this.storekey = storekey;
}
public String getSsLfile() {
return ssLfile;
}
public void setSsLfile(String ssLfile) {
this.ssLfile = ssLfile;
}
public String getMerchantNumber() {
return merchantNumber;
}
public void setMerchantNumber(String merchantNumber) {
this.merchantNumber = merchantNumber;
}
}
封装HttpClientSSL 类实现 https 请求加证书:
@Component
public class HttpClientSSL {
@Autowired
private WeiXinSSL weiXinSSL;
// 请求超时时间(毫秒) 5秒
public static RequestConfig requestConfig;http://
// 响应超时时间(毫秒) 60秒
public static int HTTP_RESPONSE_TIMEOUT = 60 * 1000;
// httpClient字符编码
public static String encoding = "UTF-8";
public static RequestConfig getRequestConfig() {
return RequestConfig.custom().setConnectTimeout(5 * 1000)
.setConnectionRequestTimeout(HTTP_RESPONSE_TIMEOUT).build();
}
public static void setRequestConfig(RequestConfig requestConfig) {
HttpClientSSL.requestConfig = requestConfig;
}
/**
* https请求伪造证书
* @return
*/
public CloseableHttpClient defaultSSLClient() {
SSLContext sslContext = null;
try {
new SSLContextBuilder().loadTrustMaterial(null,new TrustStrategy(){
@Override
public boolean isTrusted(X509Certificate[] chain, String authType)
throws java.security.cert.CertificateException {
return false;
}
});
} catch (NoSuchAlgorithmException | KeyStoreException e) {
e.printStackTrace();
}
SSLConnectionSocketFactory factory = new SSLConnectionSocketFactory(sslContext);
return HttpClients.custom().setSSLSocketFactory(factory).build();
}
/**
* https请求加证书
* @return
*/
public CloseableHttpClient defaultSSLClientFile() {
if (this.weiXinSSL == null){
return this.defaultSSLClient();
}
FileInputStream inputStream = null;
KeyStore keyStore = null;
try {
// ssl类型
keyStore = KeyStore.getInstance(weiXinSSL.getStorekey());
// ssl文件
inputStream = new FileInputStream(weiXinSSL.getSsLfile());
// 设置ssl密码
keyStore.load(inputStream,weiXinSSL.getMerchantNumber().toCharArray());
} catch (KeyStoreException | NoSuchAlgorithmException | CertificateException | IOException e1) {
e1.printStackTrace();
} finally {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
SSLContext sslContext = null;
try {
sslContext = SSLContexts.custom().loadKeyMaterial(keyStore,weiXinSSL.getMerchantNumber().toCharArray()).build();
} catch (UnrecoverableKeyException | NoSuchAlgorithmException | KeyStoreException | http://KeyManagementException e) {
e.printStackTrace();
}
SSLConnectionSocketFactory factory = new SSLConnectionSocketFactory(sslContext, new String[] { "TLSv1" }, null,
SSLConnectionSocketFactory.BROWSER_COMPhttp://ATIBLE_HOSTNAME_VERIFIER);
return HttpClients.custom().setSSLSocketFactory(factory).build();
}
/**
* 封装发送请求的方法
* @throws UnsupportedEncodingException
*/
public String send(String url, String data, CloseableHttpClient closeableHttpClient)
throws UnsupportedEncodingException {
CloseableHttpClient client = closeableHttpClient;
HttpPost httpPost = new HttpPost(URLDecoder.decode(url, encoding));
httpPost.addHeader("Connection", "keep-alive");
httpPost.addHeader("Accept", "*/*");
httpPost.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
httpPost.addHeader("Host", "api.mch.weixin.qq.com");
httpPost.addHeader("X-Requested-With", "XMLHttpRequest");
httpPost.addHeader("Cache-Control", "max-age=0");
httpPost.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
httpPost.setConfig(this.getRequestConfig());// 设置超时时间
CloseableHttpResponse response = null;
// 参数放入
StringEntity entity = new StringEntity(data, encoding);
entity.setContentEncoding(encoding);
entity.setContentType("application/xml");
httpPost.setEntity(entity);
try {
response = client.execute(httpPost);
if (response.getStatusLine().getStatusCode() == 200) {
HttpEntity httpEntity = (HttpEntity) response.getEntity();
if (response != null) {
return EntityUtils.toString(httpEntity,encoding);
}
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
这样我们就封装了一个https请求加证书的实体类，接下来我们生成请求微信红包接口：
https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack 的参数签名：
/**
* 红包参数实体类
* @throws UnsupportedEncodingException
*/
@Component
public class SendRedPack implements Serializable{
/**
*
*/
private static final long serialVersionUID = -1000489228099916099L;
private String nonce_str;// 随机字符串
private String sign;// 签名
private String mch_billno;// 商户订单号
private String mch_id;// 商户号
private String wxappid;// 公众账号
private String send_name;// 商户名称
private String re_openid;// 用户
private int total_amount;// 付款金额 单位：分
private int total_num;// 红包发放总人数
private String wishing;// 红包祝福语
private String client_ip;// Ip地址
private String act_name;// 活动名称
private String remark;// 备注
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 getMch_billno() {
return mch_billno;
}
public void setMch_billno(String mch_billno) {
this.mch_billno = mch_billno;
}
public String getMch_id() {
return mch_id;
}
public void setMch_id(String mch_id) {
this.mch_id = mch_id;
}
public String getWxappid() {
return wxappid;
}
public void setWxappid(String wxappid) {
this.wxappid = wxappid;
}
public String getSend_name() {
return send_name;
}
public void setSend_name(String send_name) {
this.send_name = send_name;
}
public String getRe_openid() {
return re_openid;
}
public void setRe_openid(String re_openid) {
this.re_openid = re_openid;
}
public int getTotal_amount() {
return total_amount;
}
public void setTotal_amount(int total_amount) {
this.total_amount = total_amount;
}
public int getTotal_num() {
return total_num;
}
public void setTotal_num(int total_num) {
this.total_num = total_num;
}
public String getWishing() {
return wishing;
}
public void setWishing(String wishing) {
this.wishing = wishing;
}
public String getClient_ip() {
return client_ip;
}
public void setClient_ip(String client_ip) {
this.client_ip = client_ip;
}
public String getAct_name() {
return act_name;
}
public void setAct_name(String act_name) {
this.act_name = act_name;
}
public String getRemark() {
return remark;
}
public void setRemark(String remark) {
this.remark = remark;
}
}
接下来是发送红包的控制器：
/**
* 领红包控制器
* @author zengliang
*/
@Controller
@RequestMapping(value="/redenveLopesReceive")
public class RedEnvelopesReceiveController {
//微信唯一标识
@Value("${weixin.appid}")
private String appid;
//微信开发者密码标识
@Value("${weixin.appsecret}")
public String appsecret;
@Autowired
private SendRedPack sendredpack;
@Autowired
private HttpClientSSL httpclientssl;
/**
* 发送XML参数
* @author zengliang
*/
@ResponseBody
@RequestMapping(value="/sendXml")
public String sendXml(String openid,Long redenveLopes_id
,String mch_billno){
RedenveLopes redenve = redenveLopesService.findOne(redenveLopes_id);
XMLUtil xmlUtil= new XMLUtil();
sendredpack.setAct_name(redenve.getAct_name());
sendredpack.setNonce_str(xmlUtil.random());
sendredpack.setRe_openid(openid);
sendredpack.setClient_ip(redenve.getClient_ip());
sendredpack.setMch_billno(mch_billno);
sendredpack.setMch_id(redenve.getMch_id());
String xx = redenve.getRemark();
sendredpack.setRemark(StringUtils.isEmpty(xx) == false?xx:"空");
sendredpack.setSend_name(redenve.getSend_name());
sendredpack.setTotal_amount(redenve.getTotal_amount());
sendredpack.setTotal_num(redenve.getTotal_num());
sendredpack.setWishing(redenve.getWishing());
sendredpack.setWxappid(redenve.getWxappidxx());
//生成签名
String params = this.createSendRedPackOrderSign(sendredpack,redenve.getStore_key());
sendredpack.setSign(params);
xmlUtil.xstream().alias("xml",sendredpack.getClass());
//扩展xstream，使其支持CDATA块
String requestXml = xmlUtil.xstream().toXML(sendredpack);
String result;
try {
result = httpclientssl.send("https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack",requestXml,httpclientssl.defaultSSLClientFile());
System.out.println("成功返回值"+result);
return result;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
/**
* 生成签名
* @param redPack
* @return
*/
public String createSendRedPackOrderSign(SendRedPack redPack,String storekey){
StringBuffer sign = new StringBuffer();
sign.append("act_name=").append(redPack.getAct_name());
sign.append("&client_ip=").append(redPack.getClient_ip());
sign.append("&mch_billno=").append(redPack.getMch_billno());
sign.append("&mch_id=").append(redPack.getMch_id());
sign.append("&nonce_str=").append(redPack.getNonce_str());
sign.append("&re_openid=").append(redPack.getRe_openid());
sign.append("&remark=").append(redPack.getRemark());
sign.append("&send_name=").append(redPack.getSend_name());
sign.append("&total_amount=").append(redPack.getTotal_amount());
sign.append("&total_num=").append(redPack.getTotal_num());
sign.append("&wishing=").append(redPack.getWishing());
sign.append("&wxappid=").append(redPack.getWxappid());
sign.append("&key=").append(storekey);
return DigestUtils.md5Hex(sign.toString()).toUpperCase();
}
}
然后我们需要用一个解析XML的工具类实现解析微信返回的XML
/**
* 解析XML工具类
* @author zengliang
*/
@Component
public class XMLUtil {
/**
* 解析微信返回的XML
* @param xml
* @return
* @throws Exception
*/
@SuppressWarnings("unchecked")
public Map
Map
Document doc = null;
try {
doc = DocumentHelper.parseText(xml); // 将字符串转为XML
Element rootElt = doc.getRootElement(); // 获取根节点
List
for (Element element : list) { //遍历节点
map.put(element.getName(), element.getText()); //节点的name为map的key，text为map的value
}
} catch (DocumentException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return map;
}
/**
* 扩展xstream，使其支持CDATA块
*/
private XStream xstream = new XStream(new XppDriver(new NoNameCoder()) {
@Override
public HierarchicalStreamWriter createWriter(Writer out) {
return new PrettyPrintWriter(out) {
// 对所有xml节点的转换都增加CDATA标记
boolean cdata = true;
@Override
@SuppressWarnings("rawtypes")
public void startNode(String name, Class clazz) {
super.startNode(name, clazz);
}
@Override
public String encodeNode(String name) {
return name;
}
@Override
protected void writeText(QuickWriter writer, String text) {
if (cdata) {
writer.write("<![CDATA[");
writer.write(text);
writer.write("]]>");
} else {
writer.write(text);
}
}
};
}
});
private XStream inclueUnderlineXstream = new XStream(new DomDriver(null,new XmlFriendlyNameCoder("_-", "_")));
public XStream getXstreamInhttp://clueUnderline() {
return inclueUnderlineXstream;
}
public XStream xstream() {
return xstream;
}
/**
* 生成随机数
* @return
*/
public String random(){
String random = UUID.randomUUID().toString().replace("-", "");
return random;
}
}
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