增加删除标签的接口

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpUserTagService.java

@@ -45,4 +45,14 @@ public interface WxMpUserTagService {
    */
   Boolean tagUpdate(Integer id, String name) throws WxErrorException;
 
+  /**
+   * <pre>
+   * 删除标签
+   * 详情请见：<a href="http://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421140837&token=&lang=zh_CN">用户标签管理</a>
+   * 接口url格式： https://api.weixin.qq.com/cgi-bin/tags/delete?access_token=ACCESS_TOKEN
+   * </pre>
+   *
+   */
+  Boolean tagDelete(Integer id) throws WxErrorException;
+
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpUserTagServiceImpl.java

@@ -72,4 +72,24 @@ public class WxMpUserTagServiceImpl implements WxMpUserTagService {
 
     throw new WxErrorException(wxError);
   }
+
+  @Override
+  public Boolean tagDelete(Integer id) throws WxErrorException {
+    String url = API_URL_PREFIX + "/delete";
+
+    JsonObject json = new JsonObject();
+    JsonObject tagJson = new JsonObject();
+    tagJson.addProperty("id", id);
+    json.add("tag", tagJson);
+
+    String responseContent = this.wxMpService.post(url, json.toString());
+    this.log.debug("\nurl:{}\nparams:{}\nresponse:{}", url, json.toString(),
+        responseContent);
+    WxError wxError = WxError.fromJson(responseContent);
+    if (wxError.getErrorCode() == 0) {
+      return true;
+    }
+
+    throw new WxErrorException(wxError);
+  }
 }

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpUserTagServiceImplTest.java

@@ -48,4 +48,11 @@ public class WxMpUserTagServiceImplTest {
     Assert.assertTrue(res);
   }
 
+  @Test(dependsOnMethods = { "testTagCreate" })
+  public void testTagDelete() throws Exception {
+    Boolean res = this.wxService.getUserTagService().tagDelete(this.tagId);
+    System.out.println(res);
+    Assert.assertTrue(res);
+  }
+
 }