增加实现管理标签的get（获取标签成员）接口

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpTagService.java

@@ -3,6 +3,7 @@
 import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.cp.bean.WxCpTag;
 import me.chanjar.weixin.cp.bean.WxCpTagAddOrRemoveUsersResult;
+import me.chanjar.weixin.cp.bean.WxCpTagGetResult;
 import me.chanjar.weixin.cp.bean.WxCpUser;
 
 import java.util.List;
@@ -63,4 +64,16 @@ public interface WxCpTagService {
    * @param userIds 用户id列表
    */
   WxCpTagAddOrRemoveUsersResult removeUsersFromTag(String tagId, List<String> userIds) throws WxErrorException;
+
+
+  /**
+   * 获取标签成员
+   * 对应: http://qydev.weixin.qq.com/wiki/index.php?title=管理标签 中的get接口
+   *
+   * @param tagId
+   * @return
+   * @throws WxErrorException
+   */
+  WxCpTagGetResult get(String tagId) throws WxErrorException;
+
 }

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpTagServiceImpl.java

@@ -7,6 +7,7 @@
 import me.chanjar.weixin.cp.api.WxCpTagService;
 import me.chanjar.weixin.cp.bean.WxCpTag;
 import me.chanjar.weixin.cp.bean.WxCpTagAddOrRemoveUsersResult;
+import me.chanjar.weixin.cp.bean.WxCpTagGetResult;
 import me.chanjar.weixin.cp.bean.WxCpUser;
 import me.chanjar.weixin.cp.util.json.WxCpGsonBuilder;
 
@@ -113,4 +114,18 @@ public WxCpTagAddOrRemoveUsersResult removeUsersFromTag(String tagId, List<Strin
 
     return WxCpTagAddOrRemoveUsersResult.fromJson(this.mainService.post(url, jsonObject.toString()));
   }
+
+  @Override
+  public WxCpTagGetResult get(String tagId) throws WxErrorException {
+    String url = "https://qyapi.weixin.qq.com/cgi-bin/tag/get";
+    if (tagId != null) {
+      url += "?tagId=" + tagId;
+    } else {
+      throw new IllegalArgumentException("缺少tagId参数");
+    }
+
+    String responseContent = this.mainService.get(url, null);
+
+    return WxCpTagGetResult.fromJson(responseContent);
+  }
 }

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpTagGetResult.java

@@ -0,0 +1,57 @@
+package me.chanjar.weixin.cp.bean;
+
+import com.google.gson.annotations.SerializedName;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import me.chanjar.weixin.cp.util.json.WxCpGsonBuilder;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * <pre>
+ *  管理企业号应用-测试
+ *  Created by huansinho on 2018/4/16.
+ * </pre>
+ *
+ * @author <a href="https://github.com/huansinho">huansinho</a>
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class WxCpTagGetResult implements Serializable {
+
+  @SerializedName("errcode")
+  private Integer errcode;
+
+  @SerializedName("errmsg")
+  private String errmsg;
+
+  /**
+   * 用户列表
+   */
+  @SerializedName("userlist")
+  private List<WxCpUser> userlist;
+
+  /**
+   * 部门列表
+   */
+  @SerializedName("partylist")
+  private List<Integer> partylist;
+
+  /**
+   * 标签名称
+   */
+  @SerializedName("tagname")
+  private String tagname;
+
+  public static WxCpTagGetResult fromJson(String json) {
+    return WxCpGsonBuilder.create().fromJson(json, WxCpTagGetResult.class);
+  }
+
+  public String toJson() {
+    return WxCpGsonBuilder.create().toJson(this);
+  }
+
+}

weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpTagServiceImplTest.java

@@ -2,15 +2,20 @@
 
 import com.google.common.base.Splitter;
 import com.google.inject.Inject;
+import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.cp.api.ApiTestModule;
 import me.chanjar.weixin.cp.api.WxCpService;
+import me.chanjar.weixin.cp.api.WxCpTagService;
 import me.chanjar.weixin.cp.bean.WxCpTag;
 import me.chanjar.weixin.cp.bean.WxCpTagAddOrRemoveUsersResult;
+import me.chanjar.weixin.cp.bean.WxCpTagGetResult;
 import me.chanjar.weixin.cp.bean.WxCpUser;
 import org.testng.annotations.*;
 
 import java.util.List;
 
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 import static org.testng.Assert.*;
 
 /**
@@ -72,4 +77,24 @@ public void testDelete() throws Exception {
     this.wxService.getTagService().delete(this.tagId);
   }
 
+  @Test
+  public void testGet() throws WxErrorException {
+    String apiResultJson = "{\"errcode\": 0,\"errmsg\": \"ok\",\"userlist\": [{\"userid\": \"0124035\",\"name\": \"王五\"},{\"userid\": \"0114035\",\"name\": \"梦雪\"}],\"partylist\": [9576,9567,9566],\"tagname\": \"测试标签-001\"}";
+    WxCpService wxService = mock(WxCpService.class);
+    when(wxService.get("https://qyapi.weixin.qq.com/cgi-bin/tag/get?tagId=150", null)).thenReturn(apiResultJson);
+    when(wxService.getTagService()).thenReturn(new WxCpTagServiceImpl(wxService));
+
+    WxCpTagService wxCpTagService = wxService.getTagService();
+
+    WxCpTagGetResult wxCpTagGetResult = wxCpTagService.get(String.valueOf(150));
+
+    assertEquals(0, wxCpTagGetResult.getErrcode().intValue());
+
+    assertEquals(2, wxCpTagGetResult.getUserlist().size());
+    assertEquals(3, wxCpTagGetResult.getPartylist().size());
+    assertEquals("测试标签-001", wxCpTagGetResult.getTagname());
+
+
+  }
+
 }