微信企业付款获取RSA

package com.hentica.app.test.wx;

import com.plant.app.modules.pay.wxpay.config.WxpayConfig;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.util.EntityUtils; import javax.net.ssl.SSLContext;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.security.KeyStore; /**
* 获取RSA
*/
public class TestT { public static void main(String[] args) throws Exception {
String mchId = WxpayConfig.APP_ID;
String key = WxpayConfig.APP_KEY;
String certpassword = WxpayConfig.APP_CERT_PWD;
PublicKeyData data = new PublicKeyData(mchId, "MD5", key);
StringBuffer reqXml = new StringBuffer();
reqXml.append("<xml>");
reqXml.append("<mch_id>");
reqXml.append(mchId);
reqXml.append("</mch_id>");
reqXml.append("<nonce_str>");
reqXml.append(data.getNonce_str());
reqXml.append("</nonce_str>");
reqXml.append("<sign_type>");
reqXml.append(data.getSign_type());
reqXml.append("</sign_type>");
reqXml.append("<sign>");
reqXml.append(data.getSign());
reqXml.append("</sign>");
reqXml.append("</xml>"); KeyStore keyStore = KeyStore.getInstance("PKCS12");
FileInputStream instream = new FileInputStream(new File("D:/cert/apiclient_cert.p12"));//证书的路径
try {
keyStore.load(instream, mchId.toCharArray());
} finally {
instream.close();
} SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, mchId.toCharArray()).build();
SSLConnectionSocketFactory sslf = new SSLConnectionSocketFactory(sslcontext);
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslf).build(); try { HttpPost httpPost = new HttpPost("https://fraud.mch.weixin.qq.com/risk/getpublickey");//接口 System.out.println("executing request" + httpPost.getRequestLine());
StringEntity reqEntity = new StringEntity(reqXml.toString());
// 设置类型
reqEntity.setContentType("application/x-www-form-urlencoded");
httpPost.setEntity(reqEntity);
CloseableHttpResponse response = httpclient.execute(httpPost);
try {
HttpEntity entity = response.getEntity();
if (entity != null) {
System.out.println("Response content length: " + entity.getContentLength());
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(entity.getContent(), "UTF-8"));
String line;
String xmlParam = "";
while ((line = bufferedReader.readLine()) != null) {
xmlParam += line;
}
System.out.println(xmlParam);
}
EntityUtils.consume(entity);
} finally {
response.close();
}
} finally {
httpclient.close();
} }
}

  参考地址:https://blog.csdn.net/qq_19167629/article/details/80668801

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