hlm_pl_mall/app/api/controller/Seccode.php

<?php

namespace app\api\controller;

use think\captcha\facade\Captcha;

/**
 
 * 
 
 * 
 * ----------------------------------------------------------------------------
 * 
 
 * 图片验证码控制器
 */
class Seccode extends MobileMall
{


    /**
     * 产生验证码
     * type 验证码传入可标识的信息  
     */
    public function makecode()
    {
        $config =    [
            // 验证码字体大小
            'fontSize'    => 40,
            // 验证码位数
            'length'      =>  4,
            // 关闭验证码杂点
            'useNoise'    =>    false,
        ];
        config($config, 'captcha');
        $captcha = Captcha::create();
        return $captcha;
    }
    /**
     * @api {POST} api/Seccode/check 检查验证码
     * @apiVersion 1.0.0
     * @apiGroup Seccode
     *
     * @apiParam {String} captcha 验证码
     *
     * @apiSuccess {String} code 返回码,10000为成功
     * @apiSuccess {String} message  返回消息
     * @apiSuccess {Object} result  返回数据
     */
    public function check()
    {
        $captch = input('param.captcha');
        if (captcha_check($captch)) {
            ds_json_encode(10000, '');
        } else {
            ds_json_encode(10001, '验证码错误', ['code' => '']);
        }
    }
}