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V3图片上传可以使用wechatpay-apache-httpclient吗?

ApiV3图片上传接口可以使用wechatpay-apache-httpclient吗?

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3 个回答

  • 君莫问
    君莫问
    01-08

    图片上传 签名始终过不去 加下微信 给看看呗 谢谢啊 18226605357

    01-08
    有用
    回复
  • Halo
    Halo
    2019-12-25
    public String postMediaUpload(String merchantId,String filePath,String fileDesc) throws Exception {
    
    
    	DataOutputStream dos = null;
    	InputStream is = null;
    	try {
    		PrivateKey privateKey = ;
    		// 换行符
    		String lineSeparator = "\r\n";//不能使用System.lineSeparator(),linux环境微信会报验签失败
    		String boundary = "boundary";
    		String beforeBoundary = "--";//必须为--
    		//时间戳
    		String timestamp = Long.toString(System.currentTimeMillis()/1000);
    		//随机数
    		String nonce_str = UUID.randomUUID().toString().replaceAll("-","");
    		File file = new File(filePath);
    		String filename = file.getName();//文件名
    		is = new FileInputStream(file);
    		String fileSha256 = DigestUtils.sha256Hex(is);//文件sha256值
    		is.close();
    		//拼签名串
    		StringBuilder sb = new StringBuilder();//签名的串
    		sb.append("POST").append("\n");
    		sb.append("/v3/merchant/media/upload").append("\n");
    		sb.append(timestamp).append("\n");
    		sb.append(nonce_str).append("\n");
    		sb.append("{\"filename\":\"").append(filename).append("\",\"sha256\":\"").append(fileSha256).append("\"}").append("\n");
    		log.info("签名的串:"+sb.toString());
    		byte[] bytes = sb.toString().getBytes("utf-8");
    		log.info("签名的串的字节长度:{}",bytes.length);
    		//计算签名
    		String sign = sign(bytes,privateKey);
    		log.info("签名sign值:"+sign);
    		//拼装http头的Authorization内容
    		String authorization =schema + " mchid=\""+merchantId
    				+"\",nonce_str=\""+nonce_str
    				+"\",signature=\""+sign
    				+"\",timestamp=\""+timestamp
    				+"\",serial_no=\""+wxPayV3ApiPrivateKey.getSerialNumber()+"\"";
    		log.info("authorization值:"+authorization);
    		//接口URL
    		URL url = new URL(baseUrl()+"merchant/media/upload");
    		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    		// 设置为POST
    		conn.setRequestMethod("POST");
    		// 发送POST请求必须设置如下两行
    		conn.setDoOutput(true);
    		conn.setDoInput(true);
    		conn.setUseCaches(false);
    		// 设置请求头参数
    		conn.setRequestProperty("Charsert", "UTF-8");
    		conn.setRequestProperty("Accept","application/json");
    		conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
    		conn.setRequestProperty("Authorization", authorization);
    
    
    		dos = new DataOutputStream(conn.getOutputStream());
    
    
    		//拼装请求内容第一部分
    		String metaPart = beforeBoundary + boundary + lineSeparator +
    				"Content-Disposition: form-data; name=\"meta\";" + lineSeparator +
    				"Content-Type: application/json" + lineSeparator +
    				lineSeparator +//必须有
    				"{\"filename\":\"" + filename + "\",\"sha256\":\"" + fileSha256 + "\"}" + lineSeparator;
    		dos.writeBytes(metaPart);
    		dos.flush();
    		//拼装请求内容第二部分
    		String filePart = beforeBoundary + boundary + lineSeparator +
    				"Content-Disposition: form-data; name=\"file\"; filename=\"" + filename + "\";" + lineSeparator +
    				"Content-Type: image/jpeg" + lineSeparator +
    				lineSeparator;//必须有
    		dos.writeBytes(filePart);
    		dos.flush();
    		//文件二进制内容
    		byte[] buffer = new byte[1024];
    		int len;
    		is = new FileInputStream(file);
    		while ((len = is.read(buffer)) != -1){
    			dos.write(buffer,0,len);
    			dos.flush();//不需要写完整个文件+尾行后再flush
    		}
    		is.close();
    		//拼装请求内容结尾
    		String endLine = lineSeparator
    				+ beforeBoundary
    				+ boundary
    				+ "--"  //必须,标识请求体结束
    				+ lineSeparator;
    		dos.writeBytes(endLine);
    		dos.flush();
    		dos.close();
    		//接收返回
    		//打印返回头信息
    		StringBuilder respHeaders = new StringBuilder();
    		Map<String, List<String>> responseHeader = conn.getHeaderFields();
    		for (Map.Entry<String, List<String>> entry : responseHeader.entrySet()) {
    			respHeaders.append(lineSeparator).append(entry.getKey()).append(":").append(entry.getValue());
    		}
    		log.info("微信应答的头信息:{}",respHeaders);
    		//打印返回内容
    		int responseCode = conn.getResponseCode();
    		String rescontent;//应答报文主体
    		if((responseCode+"").equals("200")){
    			rescontent = new String(inputStreamToByteArray(conn.getInputStream()),"utf-8");
    			log.info("图片上传成功,微信应答:"+ rescontent);
    			//验证微信支付返回签名
    			String wechatPayTimestamp = responseHeader.get("Wechatpay-Timestamp").get(0);
    			String wechatPayNonce = responseHeader.get("Wechatpay-Nonce").get(0);
    			String wechatPaySignature = responseHeader.get("Wechatpay-Signature").get(0);
    			String wechatPaySerial = responseHeader.get("Wechatpay-Serial").get(0);
    			//拼装待签名的串
    			//验证签名
    			String respSignedStr = wechatPayTimestamp + "\n" +
    					wechatPayNonce + "\n" +
    					rescontent + "\n";
    			X509Certificate cert = wxX509Certificates.get(merchantId).getCert(wechatPaySerial);
    			if(verify(respSignedStr,wechatPaySignature,cert)) {
    				log.info("验签通过");
    				return JSONObject.parseObject(rescontent).getString("media_id");
    			} else {
    				log.error("验签未通过,被签名串=[{}],微信签名=[{}],验签证书=[{}]",respSignedStr,wechatPaySignature,cert);
    				throw new FapSysException(FAPExcConst.FAIL_CHANNEL.getCode(),"微信图片上传接口应答报文验签未通过"+"["+fileDesc+"]");
    			}
    		}else{
    			rescontent = new String(inputStreamToByteArray(conn.getErrorStream()),"utf-8");
    			log.info("图片上传失败,微信应答:"+rescontent);
    			
    			//失败处理
    			JSONObject respJSONObject = null;
    
    
    			try {
    				respJSONObject = JSONObject.parseObject(rescontent);
    			}catch (Exception e){
    				log.error("JSONObject.parseObject Exception",e);
    			}
    			
    			if (respJSONObject!=null&&respJSONObject.get("message")!=null){
    				throw new RuntimeException(respJSONObject.getString("message")+"["+fileDesc+"]");
    			}else {
    				throw new RuntimeException("微信图片上传接口应答HTTP状态码不为200"+"["+fileDesc+"]");
    			}
    		}
    	}finally {
    		if (is!=null){
    			is.close();
    		}
    		if (dos!=null){
    			dos.close();
    		}
    	}
    }
    
    2019-12-25
    有用
    回复 1
  • 循序健进ꦿོ
    循序健进ꦿོ
    2019-11-19

    同问,今天正在弄这个,记录一下。

    2019-11-19
    有用
    回复 3
    • Halo
      Halo
      2019-12-25
      看楼下代码
      2019-12-25
      回复
    • 君莫问
      君莫问
      01-08
      交流下 我签名过不去 头大死了
      01-08
      回复
    • ㅤ
      03-30回复君莫问
      重写Credentials
      03-30
      回复
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