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The weixin-popular is a JAVA SDK for weixin. Weixin web url is https://mp.weixin.qq.com.

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package weixin.popular.api;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.nio.charset.Charset;
import java.nio.charset.UnsupportedCharsetException;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import weixin.popular.bean.BaseResult;
import weixin.popular.bean.material.Description;
import weixin.popular.bean.material.MaterialBatchgetResult;
import weixin.popular.bean.material.MaterialGetResult;
import weixin.popular.bean.material.MaterialcountResult;
import weixin.popular.bean.media.Media;
import weixin.popular.bean.media.MediaType;
import weixin.popular.bean.message.Article;
import weixin.popular.client.BytesOrJsonResponseHandler;
import weixin.popular.client.LocalHttpClient;
import weixin.popular.util.JsonUtil;
import weixin.popular.util.StreamUtils;

/**
 * 永久素材
 * @author LiYi
 *
 */
public class MaterialAPI extends BaseAPI{
	
	private static Logger logger = LoggerFactory.getLogger(MaterialAPI.class);

	/**
	 * 新增永久图文素材
	 * @param access_token access_token
	 * @param articles articles
	 * @return Media
	 */
	public static Media add_news(String access_token,List
articles){ String str = JsonUtil.toJSONString(articles); String messageJson = "{\"articles\":"+str+"}"; HttpUriRequest httpUriRequest = RequestBuilder.post() .setHeader(jsonHeader) .setUri(BASE_URI+"/cgi-bin/material/add_news") .addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .setEntity(new StringEntity(messageJson,Charset.forName("utf-8"))) .build(); return LocalHttpClient.executeJsonResult(httpUriRequest,Media.class); } /** * 新增其他类型永久素材 * @param access_token access_token * @param mediaType mediaType * @param media 多媒体文件有格式和大小限制,如下: 图片(image): 2M,支持bmp/png/jpeg/jpg/gif格式 语音(voice):5M,播放长度不超过60s,支持AMR\MP3格式 视频(video):10MB,支持MP4格式 缩略图(thumb):64KB,支持JPG格式 * @param description 视频文件类型额外字段,其它类型不用添加 * @return Media */ public static Media add_material(String access_token,MediaType mediaType,File media,Description description){ HttpPost httpPost = new HttpPost(BASE_URI+"/cgi-bin/material/add_material"); FileBody bin = new FileBody(media); MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create() .addPart("media", bin); if(description != null){ multipartEntityBuilder.addTextBody("description", JsonUtil.toJSONString(description),ContentType.create("text/plain",Charset.forName("utf-8"))); } HttpEntity reqEntity = multipartEntityBuilder.addTextBody(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .addTextBody("type",mediaType.uploadType()) .build(); httpPost.setEntity(reqEntity); return LocalHttpClient.executeJsonResult(httpPost,Media.class); } /** * 新增其他类型永久素材 * @param access_token access_token * @param mediaType mediaType * @param inputStream 多媒体文件有格式和大小限制,如下: 图片(image): 2M,支持bmp/png/jpeg/jpg/gif格式 语音(voice):5M,播放长度不超过60s,支持AMR\MP3格式 视频(video):10MB,支持MP4格式 缩略图(thumb):64KB,支持JPG格式 * @param description 视频文件类型额外字段,其它类型不用添加 * @return Media */ public static Media add_material(String access_token,MediaType mediaType,InputStream inputStream,Description description){ HttpPost httpPost = new HttpPost(BASE_URI+"/cgi-bin/material/add_material"); byte[] data = null; try { data = StreamUtils.copyToByteArray(inputStream); } catch (IOException e) { logger.error("", e); } MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create() .addBinaryBody("media",data,ContentType.DEFAULT_BINARY,"temp."+mediaType.fileSuffix()); if(description != null){ multipartEntityBuilder.addTextBody("description", JsonUtil.toJSONString(description),ContentType.create("text/plain",Charset.forName("utf-8"))); } HttpEntity reqEntity = multipartEntityBuilder.addTextBody(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .addTextBody("type",mediaType.uploadType()) .build(); httpPost.setEntity(reqEntity); return LocalHttpClient.executeJsonResult(httpPost,Media.class); } /** * 新增其他类型永久素材 * @param access_token access_token * @param mediaType mediaType * @param uri 多媒体文件有格式和大小限制,如下: 图片(image): 2M,支持bmp/png/jpeg/jpg/gif格式 语音(voice):5M,播放长度不超过60s,支持AMR\MP3格式 视频(video):10MB,支持MP4格式 缩略图(thumb):64KB,支持JPG格式 * @param description 视频文件类型额外字段,其它类型不用添加 * @return Media */ public static Media add_material(String access_token,MediaType mediaType,URI uri,Description description){ HttpPost httpPost = new HttpPost(BASE_URI+"/cgi-bin/material/add_material"); CloseableHttpClient tempHttpClient = HttpClients.createDefault(); try { HttpEntity entity = tempHttpClient.execute(RequestBuilder.get().setUri(uri).build()).getEntity(); MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create() .addBinaryBody("media",EntityUtils.toByteArray(entity),ContentType.get(entity),"temp."+mediaType.fileSuffix()); if(description != null){ multipartEntityBuilder.addTextBody("description", JsonUtil.toJSONString(description),ContentType.create("text/plain",Charset.forName("utf-8"))); } HttpEntity reqEntity = multipartEntityBuilder.addTextBody(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .addTextBody("type",mediaType.uploadType()) .build(); httpPost.setEntity(reqEntity); return LocalHttpClient.executeJsonResult(httpPost,Media.class); } catch (UnsupportedCharsetException e) { logger.error("", e); } catch (ClientProtocolException e) { logger.error("", e); } catch (ParseException e) { logger.error("", e); } catch (IOException e) { logger.error("", e); } finally{ try { tempHttpClient.close(); } catch (IOException e) { logger.error("", e); } } return null; } /** * 获取永久素材 * @param access_token access_token * @param media_id media_id * @return MaterialGetResult */ public static MaterialGetResult get_material(String access_token,String media_id){ HttpUriRequest httpUriRequest = RequestBuilder.post() .setHeader(jsonHeader) .setUri(BASE_URI+"/cgi-bin/material/get_material") .addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .setEntity(new StringEntity("{\"media_id\":\""+media_id+"\"}",Charset.forName("utf-8"))) .build(); return LocalHttpClient.execute(httpUriRequest,BytesOrJsonResponseHandler.createResponseHandler(MaterialGetResult.class)); } /** * 删除永久素材 * @param access_token access_token * @param media_id media_id * @return BaseResult */ public static BaseResult del_material(String access_token,String media_id){ HttpUriRequest httpUriRequest = RequestBuilder.post() .setHeader(jsonHeader) .setUri(BASE_URI+"/cgi-bin/material/del_material") .addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .setEntity(new StringEntity("{\"media_id\":\""+media_id+"\"}",Charset.forName("utf-8"))) .build(); return LocalHttpClient.executeJsonResult(httpUriRequest,BaseResult.class); } /** * 修改永久图文素材 * @param access_token access_token * @param media_id 要修改的图文消息的id * @param index 要更新的文章在图文消息中的位置(多图文消息时,此字段才有意义),第一篇为0 * @param articles articles * @return BaseResult */ public static BaseResult update_news(String access_token,String media_id,int index,List
articles){ return update_news(access_token, media_id, index, JsonUtil.toJSONString(articles)); } /** * 修改永久图文素材(通过json字符串) * @param access_token access_token * @param media_id 要修改的图文消息的id * @param index 要更新的文章在图文消息中的位置(多图文消息时,此字段才有意义),第一篇为0 * @param articlesJson articlesJson * @return BaseResult */ public static BaseResult update_news(String access_token,String media_id,int index,String articlesJson){ String messageJson = "{\"media_id\":\""+media_id+"\",\"index\":"+index+",\"articles\":"+articlesJson+"}"; HttpUriRequest httpUriRequest = RequestBuilder.post() .setHeader(jsonHeader) .setUri(BASE_URI+"/cgi-bin/material/update_news") .addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .setEntity(new StringEntity(messageJson,Charset.forName("utf-8"))) .build(); return LocalHttpClient.executeJsonResult(httpUriRequest,BaseResult.class); } /** * 获取素材总数 * @param access_token access_token * @return MaterialcountResult */ public static MaterialcountResult get_materialcount(String access_token){ HttpUriRequest httpUriRequest = RequestBuilder.post() .setUri(BASE_URI+"/cgi-bin/material/get_materialcount") .addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .build(); return LocalHttpClient.executeJsonResult(httpUriRequest,MaterialcountResult.class); } /** * 获取素材列表 * @param access_token access_token * @param type 素材的类型,图片(image)、视频(video)、语音 (voice)、图文(news) * @param offset 从全部素材的该偏移位置开始返回,0表示从第一个素材 返回 * @param count 返回素材的数量,取值在1到20之间 * @return MaterialBatchgetResult */ public static MaterialBatchgetResult batchget_material(String access_token,String type,int offset,int count){ HttpUriRequest httpUriRequest = RequestBuilder.post() .setHeader(jsonHeader) .setUri(BASE_URI+"/cgi-bin/material/batchget_material") .addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token)) .setEntity(new StringEntity("{\"type\":\""+type+"\",\"offset\":"+offset+",\"count\":"+count+"}",Charset.forName("utf-8"))) .build(); return LocalHttpClient.executeJsonResult(httpUriRequest,MaterialBatchgetResult.class); } }




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