issue #1 添加分组管理接口-查询用户所在分组

src/main/java/chanjarster/weixin/api/WxService.java

@@ -189,6 +189,16 @@ public interface WxService {
    */
   public WxGroup groupCreate(String name) throws WxErrorException;
   
+  /**
+   * <pre>
+   * 分组管理接口 - 查询用户所在分组
+   * 详情请见: http://mp.weixin.qq.com/wiki/index.php?title=分组管理接口
+   * </pre>
+   * @param openid 微信用户的openid 
+   * @throws WxErrorException
+   */
+  public long groupQueryUserGroup(String openid) throws WxErrorException;
+  
   /**
    * <pre>
    * 分组管理接口 - 查询所有分组

src/main/java/chanjarster/weixin/api/WxServiceImpl.java

@@ -38,6 +38,7 @@ import chanjarster.weixin.util.http.MediaUploadRequestExecutor;
 import chanjarster.weixin.util.http.RequestExecutor;
 import chanjarster.weixin.util.http.SimpleGetRequestExecutor;
 import chanjarster.weixin.util.http.SimplePostRequestExecutor;
+import chanjarster.weixin.util.json.GsonHelper;
 import chanjarster.weixin.util.json.WxGsonBuilder;
 
 import com.google.gson.JsonElement;
@@ -210,6 +211,13 @@ public class WxServiceImpl implements WxService {
     return WxGsonBuilder.INSTANCE.create().fromJson(tmpJsonElement.getAsJsonObject().get("groups"), new TypeToken<List<WxGroup>>(){}.getType());
   }
   
+  public long groupQueryUserGroup(String openid) throws WxErrorException {
+    String url = "https://api.weixin.qq.com/cgi-bin/groups/getid";
+    String responseContent = execute(new SimplePostRequestExecutor(), url, MessageFormat.format("'{'\"openid\":\"{0}\"}", openid));
+    JsonElement tmpJsonElement = Streams.parse(new JsonReader(new StringReader(responseContent)));
+    return GsonHelper.getAsLong(tmpJsonElement.getAsJsonObject().get("groupid"));
+  }
+  
   /**
    * 向微信端发送请求，在这里执行的策略是当发生access_token过期时才去刷新，然后重新执行请求，而不是全局定时请求
    * @param executor

src/main/java/chanjarster/weixin/bean/WxGroup.java

@@ -38,5 +38,9 @@ public class WxGroup {
   public String toJson(String json) {
     return WxGsonBuilder.create().toJson(this);
   }
+  @Override
+  public String toString() {
+    return "WxGroup [id=" + id + ", name=" + name + ", count=" + count + "]";
+  }
   
 }

src/test/java/chanjarster/weixin/api/WxCustomMessageAPITest.java

@@ -22,10 +22,10 @@ public class WxCustomMessageAPITest {
   protected WxServiceImpl wxService;
 
   public void testSendCustomMessage() throws WxErrorException {
-    WxXmlConfigStorage configProvider = (WxXmlConfigStorage) wxService.wxConfigStorage;
+    WxXmlConfigStorage configStorage = (WxXmlConfigStorage) wxService.wxConfigStorage;
     WxCustomMessage message = new WxCustomMessage();
     message.setMsgtype(WxConsts.CUSTOM_MSG_TEXT);
-    message.setTouser(configProvider.getOpenId());
+    message.setTouser(configStorage.getOpenId());
     message.setContent("欢迎欢迎，热烈欢迎\n换行测试\n超链接:<a href=\"http://www.baidu.com\">Hello World</a>");
 
     wxService.customMessageSend(message);

src/test/java/chanjarster/weixin/api/WxGroupAPITest.java

@@ -6,6 +6,7 @@ import org.testng.Assert;
 import org.testng.annotations.Guice;
 import org.testng.annotations.Test;
 
+import chanjarster.weixin.api.ApiTestModule.WxXmlConfigStorage;
 import chanjarster.weixin.bean.WxGroup;
 import chanjarster.weixin.exception.WxErrorException;
 
@@ -38,4 +39,10 @@ public class WxGroupAPITest {
     }
   }
   
+  @Test(dependsOnMethods="testGroupCreate")
+  public void groupQueryUserGroup() throws WxErrorException {
+    WxXmlConfigStorage configStorage = (WxXmlConfigStorage) wxService.wxConfigStorage;
+    long groupid = wxService.groupQueryUserGroup(configStorage.getOpenId());
+  }
+  
 }