微信公众号素材上传.doc

/* * 上传 * * param path * param file * return * throws Exception * * author CaoFeng * version 1.0.0 * since JDK 1.6 */private static String connectHttpsByPost(String path,File file) throws ExceptionString result =null; URL url = new URL(path);/ 创建连接 HttpURLConnection con = (HttpURLConnection) url .openConnection(); con.setDoInput(true); con.setDoOutput(true); con.setUseCaches(false); / post方式不能使用缓存 / 设置请求头信息 con.setRequestProperty(Connection, Keep-Alive); con.setRequestProperty(Charset, UTF-8); / 设置边界 String BOUNDARY = - + System.currentTimeMillis(); con.setRequestProperty(Content-Type, multipart/form-data; boundary= + BOUNDARY); / 请求正文信息 / 第一部分： StringBuilder sb = new StringBuilder(); sb.append(-); / 必须多两道线 sb.append(BOUNDARY); sb.append(rn); sb.append(Content-Disposition: form-data;name=media;filelength=+file.length()+;filename= + file.getName() + rn); sb.append(Content-Type:application/octet-streamrnrn); byte head = sb.toString().getBytes(utf-8); / 获得输出流 OutputStream out = new DataOutputStream(con.getOutputStream(); / 输出表头 out.write(head); / 文件正文部分 / 把文件以流文件的方式 推入到url中 DataInputStream in = new DataInputStream(new FileInputStream(file); int bytes = 0; byte bufferOut = new byte1024; while (bytes = in.read(bufferOut) != -1) out.write(bufferOut, 0, bytes); in.close(); / 结尾部分 byte foot = (rn- + BOUNDARY + -rn).getBytes(utf-8);/ 定义最后数据分隔线 out.write(foot); out.flush(); out.close(); StringBuffer buffer = new StringBuffer(); BufferedReader reader = null; try / 定义BufferedReader输入流来读取URL的响应 reader = new BufferedReader(new InputStreamReader(con.getInputStream(); String line = null; while (line = reader.readLine() != null) buffer.append(line); if (result = null) result = buffer.toString(); catch (IOException e) System.out.println(发送POST请求出现异常！ + e); e.printStackTrace(); throw new IOException(数据读取异常); finally if (reader != null) reader.close(); return result; /* * 上传其他永久素材(图片素材的上限为5000，其他类型为1000) * * param appid * param secret * param file * param type * param access_token * return * throws Exception * * author CaoFeng * version 1.0.0 * since JDK 1.6 */public static JSONObject addMaterialEver(File file,String type,String access_token) throws Exception try System.out.println(开始上传+type+永久素材-);/上传素材String path=/cgi-bin/material/add_material?access_token=+access_token+&type=+type;String result=WeixinMaterial.connectHttpsByPost(path,file);result=result.replaceAll(, );System.out.println(result:+result);JSONObject resultJSON=JSONObject.fromObject(result);if(resultJSON!=null)if(resultJSON.get(media_id)!=null)System.out.println(上传+type+永久素材成功);return resultJSON;elseSystem.out.println(上传+type+永久素材失败);return null; catch (Exception e) System.out.println(程序异常:+e);throw e;finallySystem.out.println(结束上传+type+永久素材-);/* * 上传图片到微信服务器(本接口所上传的图片不占用公众号的素材库中图片数量的5000个的限制。图片仅支持jpg/png格式，大小必须在1MB以下) * * param appid * param secret * param file * param access_token * return * throws Exception * * author CaoFeng * version 1.0.0 * since JDK 1.6 */public static JSONObject addMaterialEver(File file,String access_token) throws Exception try System.out.println(开始上传图文消息内的图片-);/上传图片素材String path=/cgi-bin/media/uploadimg?access_token=+access_token;String result=WeixinMaterial.connectHttpsByPost(path, file);result=result.replaceAll(, );System.out.println(result:+result);JSONObject resultJSON=JSONObject.fromObject(result);if(resultJSON!=null)if(resultJSON.get(url)!=null)System.out.println(上传图文消息内的图片成功);return resultJSON;elseSystem.out.println(上传图文消息内的图片失败);return null; catch (Exception e) System.out.println(程序异常:+e);throw e;finallySystem.out.println(结束上传图文消息内的图片-);/* * 上传临时素材 * * param appid * param secret * param file * param type * param access_token * return * throws Exception * * author CaoFeng * version 1.0.0 * since JDK 1.6 */public static JSONObject mediaUpload(File file,String type,String access_token) throws Exception try System.out.println(开始上传图文消息内的图片-);/上传图片素材String path=/cgi-bin/media/upload?access_token=+access_token+&type=+type;String result=WeixinMaterial.connectHttpsByPost(path,file);result=result.replaceAll(, );JSONObject resultJSON=JSONObject.fromObject(result);if(resultJSON!=null