Initial commit，修正

pms-admin/components/Helper.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * User: lzkong1029
+ * Date: 2016-7-6
+ * Time: 15:10
+ * Description:静态公共函数类库
+ */
+
+namespace backend\components;
+use backend\models\Log;
+use Yii;
+
+class Helper {
+
+    public static function hello(){
+        echo 'hello';
+    }
+
+    //历史访客数
+    public static function getHistoryVisNum(){
+        $res = Log::find()->count();
+        return $res;
+    }
+
+    //最近一个月访问量
+    public static function getMonthHistoryVisNum(){
+        $LastMonth = strtotime("-1 month");
+        $res = Log::find()->where(['>','create_time',$LastMonth])->count();
+        return $res;
+    }
+
+}