改进软删除的base方法 增加tableAlias静态属性定义当前模型的表别名

library/traits/model/SoftDelete.php

@@ -123,8 +123,10 @@ trait SoftDelete
     protected static function base($query)
     {
         if (static::$deleteTime) {
-            $table = $query->getTable();
+            $query->where(static::$tableAlias ?
-            $query->where($table . '.' . static::$deleteTime, 'null');
+                static::$tableAlias . '.' . static::$deleteTime :
+                static::$deleteTime,
+                'null');
         }
     }