111 lines
4.6 KiB
Java
111 lines
4.6 KiB
Java
package com.java.demo;
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import com.java.utils.WXPayUtility; // 引用微信支付工具库，参考：https://pay.weixin.qq.com/doc/v3/merchant/4014931831
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import com.google.gson.annotations.SerializedName;
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import com.google.gson.annotations.Expose;
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import okhttp3.MediaType;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.RequestBody;
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import okhttp3.Response;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 查询剩余待分金额
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*/
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public class QueryOrderAmount {
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private static String HOST = "https://api.mch.weixin.qq.com";
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private static String METHOD = "GET";
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private static String PATH = "/v3/profitsharing/transactions/{transaction_id}/amounts";
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public static void main(String[] args) {
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// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
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QueryOrderAmount client = new QueryOrderAmount(
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"19xxxxxxxx", // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/merchant/4013070756
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"1DDE55AD98Exxxxxxxxxx", // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
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"PUB_KEY_ID_xxxxxxxxxxxxx", // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
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"/path/to/wxp_pub.pem" // 微信支付公钥文件路径，本地文件路径
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);
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QueryOrderAmountRequest request = new QueryOrderAmountRequest();
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request.transactionId = "4208450740201411110007820472";
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try {
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QueryOrderAmountResponse response = client.run(request);
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// TODO: 请求成功，继续业务逻辑
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System.out.println(response);
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} catch (WXPayUtility.ApiException e) {
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// TODO: 请求失败，根据状态码执行不同的逻辑
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e.printStackTrace();
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}
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}
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public QueryOrderAmountResponse run(QueryOrderAmountRequest request) {
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String uri = PATH;
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uri = uri.replace("{transaction_id}", WXPayUtility.urlEncode(request.transactionId));
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Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
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reqBuilder.addHeader("Accept", "application/json");
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reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
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reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
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reqBuilder.method(METHOD, null);
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Request httpRequest = reqBuilder.build();
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// 发送HTTP请求
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OkHttpClient client = new OkHttpClient.Builder().build();
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try (Response httpResponse = client.newCall(httpRequest).execute()) {
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String respBody = WXPayUtility.extractBody(httpResponse);
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if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
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// 2XX 成功，验证应答签名
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WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
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httpResponse.headers(), respBody);
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// 从HTTP应答报文构建返回数据
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return WXPayUtility.fromJson(respBody, QueryOrderAmountResponse.class);
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} else {
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throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
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}
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} catch (IOException e) {
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throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
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}
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}
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private final String mchid;
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private final String certificateSerialNo;
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private final PrivateKey privateKey;
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private final String wechatPayPublicKeyId;
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private final PublicKey wechatPayPublicKey;
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public QueryOrderAmount(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
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this.mchid = mchid;
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this.certificateSerialNo = certificateSerialNo;
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this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
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this.wechatPayPublicKeyId = wechatPayPublicKeyId;
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this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
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}
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public static class QueryOrderAmountRequest {
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@SerializedName("transaction_id")
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@Expose(serialize = false)
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public String transactionId;
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}
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public static class QueryOrderAmountResponse {
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@SerializedName("transaction_id")
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public String transactionId;
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@SerializedName("unsplit_amount")
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public Long unsplitAmount;
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}
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}
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