api.cms.ahbmz.com/app/api/validate/Demo.php

<?php
declare (strict_types=1);

namespace app\api\validate;

use think\Validate;

class Demo extends Validate
{
    /**
     * 定义验证规则
     * 格式：'字段名'    =>    ['规则1','规则2'...]
     *
     * @var array
     */
    protected $rule = [
        'id' => 'number|length:1,10',
        'username|测试账号' => "require|uniqueSite:system_demo|length:4,20",
        'truename|测试真实姓名' => 'require|length:1,20',
        'password|测试密码' => 'require|length:6,20',
        'sex|性别' => 'number|between:0,2',
    ];

    /**
     * 定义错误信息
     * 格式：'字段名.规则名'    =>    '错误信息'
     *
     * @var array
     */
    protected $message = [
        'username.require' => '请输入测试账号',
        'username.length' => '测试账号名称必需在4~20位之间',
    ];

    /**
     * 验证场景规则
     * @var array
     */
    protected $scene = [
        'read' => ['id'],
    ];

    /**
     * 修改场景验证
     * @return Manager
     */
    public function sceneUpdate()
    {
        return $this->remove('username', 'require')
            ->remove('truename', 'require')
            ->remove('phone', 'require');
        //需删除以上代码,重新定义
    }

    /**
     * 自定义查询场景验证 可灵活设置验证字段
     * @return Manager
     */
    public function sceneLists()
    {
        return $this->only(['username', 'truename', 'sex'])
            ->remove('username', 'uniqueSite|require|length')
            ->append('username', 'min:1|max:20')
            ->remove('truename', 'uniqueSite|require');
        //需删除以上代码,重新定义
    }
}