🆕 #1639 微信支付增加v3图片上传接口

1. 实现v3上传图片功能
文档地址： https://pay.weixin.qq.com/wiki/doc/apiv3/wxpay/tool/chapter3_1.shtml
2. 将接口获取到的证书保存到PayConfig中，v3接口中部分字段是敏感数据，在对这些数据加密时会用到

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/MerchantMediaService.java

@@ -0,0 +1,31 @@
+package com.github.binarywang.wxpay.service;
+
+import com.github.binarywang.wxpay.bean.media.ImageUploadResult;
+import com.github.binarywang.wxpay.exception.WxPayException;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * <pre>
+ * 微信支付通用媒体接口.
+ * </pre>
+ *
+ * @author zhouyongshen
+ */
+public interface MerchantMediaService {
+  /**
+   * <pre>
+   * 通用接口-图片上传API
+   * 文档详见: https://pay.weixin.qq.com/wiki/doc/apiv3/wxpay/tool/chapter3_1.shtml
+   * 接口链接：https://api.mch.weixin.qq.com/v3/merchant/media/upload
+   * </pre>
+   *
+   * @param imageFile 需要上传的图片文件
+   * @return ImageUploadResult 微信返回的媒体文件标识Id。示例值：6uqyGjGrCf2GtyXP8bxrbuH9-aAoTjH-rKeSl3Lf4_So6kdkQu4w8BYVP3bzLtvR38lxt4PjtCDXsQpzqge_hQEovHzOhsLleGFQVRF-U_0
+   * @throws WxPayException the wx pay exception
+   */
+  ImageUploadResult imageUploadV3(File imageFile) throws WxPayException, IOException;
+
+
+}

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/WxPayService.java

@@ -10,6 +10,7 @@ import com.github.binarywang.wxpay.bean.result.*;
 import com.github.binarywang.wxpay.config.WxPayConfig;
 import com.github.binarywang.wxpay.constant.WxPayConstants;
 import com.github.binarywang.wxpay.exception.WxPayException;
+import org.apache.http.client.methods.HttpPost;
 
 import java.io.File;
 import java.net.URI;
@@ -65,6 +66,16 @@ public interface WxPayService {
    */
   String postV3(String url, String requestStr) throws WxPayException;
 
+  /**
+   * 发送post请求，得到响应字符串.
+   *
+   * @param url        请求地址
+   * @param httpPost 请求信息
+   * @return 返回请求结果字符串 string
+   * @throws WxPayException the wx pay exception
+   */
+  String postV3(String url, HttpPost httpPost) throws WxPayException;
+
   /**
    * 发送get V3请求，得到响应字符串.
    *

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/MerchantMediaServiceImpl.java

@@ -0,0 +1,44 @@
+package com.github.binarywang.wxpay.service.impl;
+
+import com.github.binarywang.wxpay.bean.media.ImageUploadResult;
+import com.github.binarywang.wxpay.exception.WxPayException;
+import com.github.binarywang.wxpay.service.MerchantMediaService;
+import com.github.binarywang.wxpay.service.WxPayService;
+import com.github.binarywang.wxpay.v3.WechatPayUploadHttpPost;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.codec.digest.DigestUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+
+/**
+ * 微信支付-媒体文件上传service
+ * @author zhouyongshen
+ */
+@Slf4j
+@RequiredArgsConstructor
+public class MerchantMediaServiceImpl implements MerchantMediaService {
+
+  private final WxPayService payService;
+
+  @Override
+  public ImageUploadResult imageUploadV3(File imageFile) throws WxPayException,IOException {
+    String url = String.format("%s/v3/merchant/media/upload", this.payService.getPayBaseUrl());
+
+    try (FileInputStream s1 = new FileInputStream(imageFile)) {
+      String sha256 = DigestUtils.sha256Hex(s1);
+      try (InputStream s2 = new FileInputStream(imageFile)) {
+        WechatPayUploadHttpPost request = new WechatPayUploadHttpPost.Builder(URI.create(url))
+          .withImage(imageFile.getName(), sha256, s2)
+          .build();
+        String result = this.payService.postV3(url, request);
+        return ImageUploadResult.fromJson(result);
+      }
+    }
+  }
+
+}

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java

@@ -116,6 +116,36 @@ public class WxPayServiceApacheHttpImpl extends BaseWxPayServiceImpl {
 
   }
 
+  @Override
+  public String postV3(String url, HttpPost httpPost) throws WxPayException {
+
+    httpPost.setConfig(RequestConfig.custom()
+      .setConnectionRequestTimeout(this.getConfig().getHttpConnectionTimeout())
+      .setConnectTimeout(this.getConfig().getHttpConnectionTimeout())
+      .setSocketTimeout(this.getConfig().getHttpTimeout())
+      .build());
+
+    CloseableHttpClient httpClient = this.createApiV3HttpClient();
+    try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
+      //v3已经改为通过状态码判断200 204 成功
+      int statusCode = response.getStatusLine().getStatusCode();
+      String responseString = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
+      if (HttpStatus.SC_OK == statusCode || HttpStatus.SC_NO_CONTENT == statusCode) {
+        this.log.info("\n【请求地址】：{}\n【响应数据】：{}", url, responseString);
+        return responseString;
+      } else {
+        //有错误提示信息返回
+        JsonObject jsonObject = GsonParser.parse(responseString);
+        throw new WxPayException(jsonObject.get("message").getAsString());
+      }
+    } catch (Exception e) {
+      this.log.error("\n【请求地址】：{}\n【异常信息】：{}", url, e.getMessage());
+      throw new WxPayException(e.getMessage(), e);
+    } finally {
+      httpPost.releaseConnection();
+    }
+  }
+
   @Override
   public String getV3(URI url) throws WxPayException {
     CloseableHttpClient httpClient = this.createApiV3HttpClient();

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceJoddHttpImpl.java

@@ -16,6 +16,7 @@ import jodd.http.ProxyInfo.ProxyType;
 import jodd.http.net.SSLSocketHttpConnectionProvider;
 import jodd.http.net.SocketHttpConnectionProvider;
 import jodd.util.Base64;
+import org.apache.http.client.methods.HttpPost;
 
 /**
  * 微信支付请求实现类，jodd-http实现.
@@ -65,6 +66,11 @@ public class WxPayServiceJoddHttpImpl extends BaseWxPayServiceImpl {
     return null;
   }
 
+  @Override
+  public String postV3(String url, HttpPost httpPost) throws WxPayException {
+    return null;
+  }
+
   @Override
   public String getV3(URI url) throws WxPayException {
     return null;