java微信接口之四—上传素材

  1 import java.io.File;
  2 import java.util.ArrayList;
  3 import java.util.HashMap;
  4 import java.util.List;
  5 import java.util.Map;
  6 
  7 import org.apache.commons.httpclient.methods.PostMethod;
  8 import org.apache.commons.httpclient.methods.multipart.FilePart;
  9 import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
 10 import org.apache.commons.httpclient.methods.multipart.Part;
 11 import org.apache.http.HttpEntity;
 12 import org.apache.http.HttpResponse;
 13 import org.apache.http.HttpStatus;
 14 import org.apache.http.client.HttpClient;
 15 import org.apache.http.client.methods.HttpGet;
 16 import org.apache.http.impl.client.DefaultHttpClient;
 17 import org.apache.http.util.EntityUtils;
 18 
 19 import com.google.gson.Gson;
 20 import com.google.gson.JsonArray;
 21 import com.google.gson.JsonObject;
 22 import com.google.gson.JsonParser;
 23 
 24 public class Test
 25 {
 26     public static final String GET_TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token";// 获取access
 27     public static final String UPLOAD_IMAGE_URL = "http://file.api.weixin.qq.com/cgi-bin/media/upload";// 上传多媒体文件
 28     public static final String UPLOAD_FODDER_URL = "https://api.weixin.qq.com/cgi-bin/media/uploadnews";
 29     public static final String APP_ID = "wxa549b28c24cf341e";
 30     public static final String SECRET = "78d8a8cd7a4fa700142d06b96bf44a37";
 31 
 32     /**
 33      * 上传素材
 34      * 
 35      * @param uploadurl
 36      *            apiurl
 37      * @param access_token
 38      *            访问token
 39      * @param data
 40      *            提交数据
 41      * @return
 42      */
 43     public static String uploadFodder(String uploadurl, String access_token,
 44             String data)
 45     {
 46         org.apache.commons.httpclient.HttpClient client = new org.apache.commons.httpclient.HttpClient();
 47         String posturl = String.format("%s?access_token=%s", uploadurl,
 48                 access_token);
 49         PostMethod post = new PostMethod(posturl);
 50         post
 51                 .setRequestHeader(
 52                         "User-Agent",
 53                         "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:30.0) Gecko/20100101 Firefox/30.0");
 54         post.setRequestHeader("Host", "file.api.weixin.qq.com");
 55         post.setRequestHeader("Connection", "Keep-Alive");
 56         post.setRequestHeader("Cache-Control", "no-cache");
 57         String result = null;
 58         try
 59         {
 60             post.setRequestBody(data);
 61             int status = client.executeMethod(post);
 62             if (status == HttpStatus.SC_OK)
 63             {
 64                 String responseContent = post.getResponseBodyAsString();
 65                 System.out.println(responseContent);
 66                 JsonParser jsonparer = new JsonParser();// 初始化解析json格式的对象
 67                 JsonObject json = jsonparer.parse(responseContent)
 68                         .getAsJsonObject();
 69                 if (json.get("errcode") == null)
 70                 {// 正确 { "type":"news", "media_id":"CsEf3ldqkAYJAU6EJeIkStVDSvffUJ54vqbThMgplD-VJXXof6ctX5fI6-aYyUiQ","created_at":1391857799}
 71                     result = json.get("media_id").getAsString();
 72                 }
 73             }
 74         }
 75         catch (Exception e)
 76         {
 77             e.printStackTrace();
 78         }
 79         finally
 80         {
 81             return result;
 82         }
 83     }
 84 
 85     public static void main(String[] args) throws Exception
 86     {
 87         String accessToken = getToken(GET_TOKEN_URL, APP_ID, SECRET);// 获取token在微信接口之一中获取
 88         if (accessToken != null)// token成功获取
 89         {
 90             System.out.println(accessToken);
 91             File file = new File("f:" + File.separator + "2000.JPG"); // 获取本地文件
 92             String id = uploadImage(UPLOAD_IMAGE_URL, accessToken, "image",
 93                     file);// java微信接口之三—上传多媒体文件 可获取
 94             if (id != null)
 95             { 
 96                 //构造数据
 97                 Map map = new HashMap();
 98                 map.put("thumb_media_id", id);
 99                 map.put("author", "wxx");
100                 map.put("title", "标题");
101                 map.put("content", "测试fdsfdsfsdfssfdsfsdfsdfs");
102                 map.put("digest", "digest");
103                 map.put("show_cover_pic", "0");
104 
105                 Map map2 = new HashMap();
106                 map2.put("thumb_media_id", id);
107                 map2.put("author", "wxx");
108                 map2.put("content_source_url", "www.google.com");
109                 map2.put("title", "标题");
110                 map2.put("content", "测试fdsfdsfsdfssfdsfsdfsdfs");
111                 map2.put("digest", "digest");
112 
113                 Map map3 = new HashMap();
114                 List<Map> list = new ArrayList<Map>();
115                 list.add(map);
116                 list.add(map2);
117                 map3.put("articles", list);
118 
119                 Gson gson = new Gson();
120                 String result = gson.toJson(map3);//转换成json数据格式
121                 String mediaId = uploadFodder(UPLOAD_FODDER_URL, accessToken,
122                         result);
123                 if (mediaId != null)
124                 {
125                     System.out.println(mediaId);
126                 }
127             }
128         }
129     }
130 }