微信支付（配置）

配置项没啥好说的

import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
import com.wechat.pay.contrib.apache.httpclient.auth.PrivateKeySigner;
import com.wechat.pay.contrib.apache.httpclient.auth.Verifier;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Credentials;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
import com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager;
import com.wechat.pay.contrib.apache.httpclient.exception.HttpCodeException;
import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
import com.yj.common.exception.ServiceException;
import lombok.Data;
import org.apache.http.impl.client.CloseableHttpClient;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.*;
import java.nio.charset.StandardCharsets;
import java.security.GeneralSecurityException;
import java.security.PrivateKey;

@EnableConfigurationProperties(WxPayConfig.class)
@RefreshScope
@Configuration
@ConfigurationProperties(prefix = "weixin")
@Data
public class WxPayConfig {
    // 商户号
    private String mchId;

    // 商户API证书序列号
    private String mchSerialNo;

    // 商户私钥文件
    private String privateKey;

    // APIv3密钥
    private String key;

    // APPID
    private String appId;

    // APPID
    private String bAppId;

    // 微信服务器地址
    private String domain;

    // 接收结果通知地址
    private String notifyDomain;

    private String appSecret;

    public WxPayConfig() {

    }
    /**
     * 获取商户的私钥文件
     *
     * @return 私钥文件
     */
    public PrivateKey getPrivateKey() {
        try {
            return PemUtil.loadPrivateKey(
                    new ByteArrayInputStream(privateKey.getBytes("utf-8")));
        } catch (UnsupportedEncodingException e) {
            throw new ServiceException("私钥文件不存在");
        }
    }


    /**
     * 获取签名验证器
     */
    @Bean
    public Verifier getVerifier() {
        // 获取商户私钥
        final PrivateKey privateKey = getPrivateKey();

        // 私钥签名对象
        PrivateKeySigner privateKeySigner = new PrivateKeySigner(mchSerialNo, privateKey);

        // 身份认证对象
        WechatPay2Credentials wechatPay2Credentials = new WechatPay2Credentials(mchId, privateKeySigner);

        // 获取证书管理器实例
        CertificatesManager certificatesManager = CertificatesManager.getInstance();

        try {
            // 向证书管理器增加需要自动更新平台证书的商户信息
            certificatesManager.putMerchant(mchId, wechatPay2Credentials, key.getBytes(StandardCharsets.UTF_8));
        } catch (IOException | GeneralSecurityException | HttpCodeException e) {
            e.printStackTrace();
        }

        try {
            return certificatesManager.getVerifier(mchId);
        } catch (com.wechat.pay.contrib.apache.httpclient.exception.NotFoundException e) {
            e.printStackTrace();
            throw new ServiceException("获取签名验证器失败");
        }
    }

    /**
     * 获取微信支付的远程请求对象
     *
     * @return Http请求对象
     */
    @Bean(name = "wxPayClient")
    public CloseableHttpClient getWxPayClient() {
        // 获取签名验证器
        Verifier verifier = getVerifier();

        // 获取商户私钥
        final PrivateKey privateKey = getPrivateKey();

        WechatPayHttpClientBuilder builder = WechatPayHttpClientBuilder.create().withMerchant(mchId, mchSerialNo, privateKey)
                .withValidator(new WechatPay2Validator(verifier));

        return builder.build();
    }
}

nacons配置

weixin:
	小星星
  privateKey: |-  
    写自己的私钥
    格式化语法