接口更新没有变化时，不记录日志，避免cron多次导入swagger的接口时，导致动态里展示一大堆的无意义日志。

youbl · youbl · commit 01c3e9a86996 · 2018-11-15T19:08:27.000+08:00
diff --git a/server/controllers/interface.js b/server/controllers/interface.js
@@ -628,6 +628,10 @@ class interfaceController extends baseController {
     };
 
     this.catModel.get(interfaceData.catid).then(cate => {
+      let diffView2 = showDiffMsg(jsondiffpatch, formattersHtml, logData);
+      if (diffView2.length <= 0) {
+          return; // 没有变化时，不写日志
+      }
       yapi.commons.saveLog({
         content: `<a href="/user/profile/${this.getUid()}">${username}</a> 
                     更新了分类 <a href="/project/${cate.project_id}/interface/api/cat_${
