pet/application/api/library/ExceptionHandle.php

<?php

namespace app\api\library;

use app\UserException;
use Exception;
use think\db\exception\DataNotFoundException;
use think\db\exception\ModelNotFoundException;
use think\exception\Handle;

/**
 * 自定义API模块的错误显示
 */
class ExceptionHandle extends Handle
{

    public function render(Exception $e)
    {
        // 在生产环境下返回code信息
        //if (!\think\Config::get('app_debug')) {
        if(request()->isAjax()) {
            $statuscode = $code = 0;
            //$msg = 'An error occurred';
            $msg = $e->getMessage();
            // 验证异常
            if ($e instanceof \think\exception\ValidateException) {
                $code = 0;
                $statuscode = 200;
                $msg = $e->getError();
            }
            // Http异常
            if ($e instanceof \think\exception\HttpException) {
                $statuscode = $code = $e->getStatusCode();
            }
            if ($e instanceof UserException) {
                $code = 0;
                $msg = $e->getMessage();
                $statuscode = 200;
            }
            if ($e instanceof ModelNotFoundException) {
                $msg = '查找的数据不存在';
            }
            return json(['code' => $code, 'msg' => $msg, 'time' => time(), 'data' => null], $statuscode);
        }
        //}

        //其它此交由系统处理
        return parent::render($e);
    }

}