更新命名问题

app/download/validate/DownloadCheck.php

@@ -0,0 +1,33 @@
+<?php
+namespace app\download\validate;
+
+use think\facade\Db;
+use think\Validate;
+
+class DownloadCheck extends Validate
+{
+    // 自定义验证规则
+    protected function checkOne($value, $rule, $data = [])
+    {
+        $count = Db::name('DownloadImages')->where(['name' => $data['name'], 'delete_time' => 0])->count();
+        return $count == 0 ? true : false;
+    }
+
+    protected $rule = [
+        'maincontact' => 'require|checkOne',
+        'id' => 'require',
+        'name' => 'require',
+    ];
+
+    protected $message = [
+        'name.require' => '客户单位不能为空',
+        //         'name.checkOne' => '同样的商务信息已经存在',
+        'maincontact.checkOne' => '同样的商务信息已经存在',
+        'id.require' => '缺少更新条件',
+    ];
+
+    protected $scene = [
+        'add' => ['name'],
+        'edit' => ['id'],
+    ];
+}