文件名称：微信企业号项目
文件大小：15.94MB
文件格式：ZIP
更新时间：2021-04-12 12:27:58
企业微信 微信企业号
希垦园区项目。。企业微信，微信企业号public class Util{ private static final String UPLOAD_URL = "https://api.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=TYPE"; public static String uploadFile(String filePath, String accessToken, String type) throws Exception{ File file = new File(filePath); if(!file.exists() || !file.isFile()) { throw new IOException("文件不存在！"); } String url = UPLOAD_URL.replace("ACCESS_TOKEN", accessToken).replace("TYPE", type); URL urlObj = new URL(url); //连接 HttpURLConnection conn = (HttpURLConnection) urlObj.openConnection(); conn.setRequestMethod("POST"); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); //请求头 conn.setRequestProperty("Connection", "Keep-Alive"); conn.setRequestProperty("Charset", "UTF-8"); //conn.setRequestProperty("Content-Type","multipart/form-data;"); //设置边界 String BOUNDARY = "----------" + System.currentTimeMillis(); conn.setRequestProperty("Content-Type","multipart/form-data;boundary="+BOUNDARY); StringBuilder sb = new StringBuilder(); sb.append("--"); sb.append(BOUNDARY); sb.append("\r\n"); sb.append("Content-Disposition:form-data;name=\"file\";filename=\""+file.getName()+"\"\r\n"); sb.append("Content-Type:application/octet-stream\r\n\r\n"); byte[] head = sb.toString().getBytes("utf-8"); //输出流 OutputStream out = new DataOutputStream(conn.getOutputStream()); out.write(head); //文件正文部分 DataInputStream in = new DataInputStream(new FileInputStream(file)); int bytes = 0; byte[] bufferOut = new byte[1024]; while((bytes = in.read(bufferOut))!=-1) { out.write(bufferOut,0,bytes); } in.close(); //结尾 byte[] foot = ("\r\n--" + BOUNDARY + "--\r\n").getBytes("utf-8"); out.write(foot); out.flush(); out.close(); //获取响应 StringBuffer buffer = new StringBuffer(); BufferedReader reader = null; String result = null; reader = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line = null; while((line = reader.readLine()) != null) { buffer.append(line); } if(result == null) { result = buffer.toString(); } reader.close();