优化代码

application/admin/controller/Ajax.php

@@ -175,18 +175,18 @@ class Ajax extends Backend
             $weighdata[$v[$prikey]] = $v[$field];
         }
         $position = array_search($changeid, $ids);
-        $desc_id = isset($sour[$position]) ? $sour[$position] : end($sour);    //移动到目标的ID值,取出所处改变前位置的值
+        $desc_id = $sour[$position] ?? end($sour);    //移动到目标的ID值,取出所处改变前位置的值
         $sour_id = $changeid;
-        $weighids = array();
+        $weighids = [];
         $temp = array_values(array_diff_assoc($ids, $sour));
         foreach ($temp as $m => $n) {
             if ($n == $sour_id) {
                 $offset = $desc_id;
             } else {
                 if ($sour_id == $temp[0]) {
-                    $offset = isset($temp[$m + 1]) ? $temp[$m + 1] : $sour_id;
+                    $offset = $temp[$m + 1] ?? $sour_id;
                 } else {
-                    $offset = isset($temp[$m - 1]) ? $temp[$m - 1] : $sour_id;
+                    $offset = $temp[$m - 1] ?? $sour_id;
                 }
             }
             if (!isset($weighdata[$offset])) {

application/common/model/User.php

@@ -7,6 +7,10 @@ use think\Model;
 
 /**
  * 会员模型
+ * @method static mixed getByUsername($str) 通过用户名查询用户
+ * @method static mixed getByNickname($str) 通过昵称查询用户
+ * @method static mixed getByMobile($str) 通过手机查询用户
+ * @method static mixed getByEmail($str) 通过邮箱查询用户
  */
 class User extends Model
 {

public/assets/js/backend/user/user.js

@@ -21,6 +21,8 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                 url: $.fn.bootstrapTable.defaults.extend.index_url,
                 pk: 'id',
                 sortName: 'user.id',
+                fixedColumns: true,
+                fixedRightNumber: 1,
                 columns: [
                     [
                         {checkbox: true},