'required', 'no' => ['required', 'digits_between:16,19'], // 'branch_name' => 'required', 'mobile' => 'required', 'bank_id' => 'required', ]; } public function messages(): array { return [ 'name.required' => '收款人姓名必须填写', 'no.required' => '银行卡号必须填写', 'no.unique' => '此银行卡号已提交过', 'no.integer' => '银行卡号必须是数字', 'no.digits_between' => '银行卡号长度必须在:min ~ :max之间', 'branch_name.required' => '支行名称必须填写', 'mobile.required' => '收款人手机号必须填写', 'bank_id.required' => '银行必须选择', ]; } }