liche/home/controllers/h5/Wxapp.php

<?php
defined('APPPATH') OR exit('No direct script access allowed');
ini_set('display_errors','On');
error_reporting(E_ERROR);
/**
 * Created by PhpStorm.
 * User: xuxb
 * Date: 2020/3/10
 * Time: 17:13
 */
abstract class Wxapp extends CI_Controller{
    protected $log_file;//日志文件
    protected $log_dir;
    protected $app_id;//应用id，hd_app.id
    protected $request;
    protected $lc_redis;
    protected $env;//网络环境 d开发, t测试, p生产
    protected $host;
    protected $api_host;
    protected $redis_mcode;//手机验证码
    protected $white_mobile;//手机验证白名单
    protected $white_appid;//appid校验白名单

    private $inputs;

    function __construct($set_app_id = 0){
        parent::__construct();
        //加载输入参数
        $this->input_param();

        //app_id是必需的
        $this->app_id = $app_id = $set_app_id ? $set_app_id : $this->input_param('app_id');
        $this->data['app_id'] = $app_id;

        $this->get_env();

        $r = &load_cache('redis');
        $this->lc_redis = $r;

        //日志文件
        $class_name = lcfirst(get_class($this));//调用类的名称，子类或者当前类名称

        $this->log_file = "h5_wxapp{$app_id}_{$class_name}.log";
        $this->log_dir = "h5_wxapp{$app_id}_{$class_name}";
        $this->redis_mcode = "wxapp_{$app_id}_mcode_";
        $this->white_mobile = array('18063762579');

        $this->load->helper('cookie');

        //根据app_id重载model
        $this->load->rebuild_model($this->app_id);

        $this->load->library('hd_exception');
    }

    /**
     * 所有方法请求入口
     * @param $method
     * @return mixed
     */
    function _remap($method){
        try{

            if('index' == $method){
                $method = $this->request;
            } else {
                $method = $this->request.'_'. $method;
            }

            if(!in_array($method, $this->white_appid) && !$this->app_id){
                debug_log("[error] ". __FUNCTION__ . "# not app_id", $this->log_file);
                throw new Hd_exception('请求超时', 403);
            }

            $data = $this->$method();

            if($data['view']){//返回视图
                $this->data = array_merge($this->data, $data);
                return $this->show_view($data['view'], $data['alone']);
            } else {//返回json数据
                return $this->show_json($data);
            }
        } catch(Hd_exception $e){//处理异常
            $code = $e->getCode();
            $msg = $e->getMessage();

            if($this->input->is_ajax_request()){
                return $this->show_json(array(), $code, $msg);
            } else {
                $this->data = array('heading' => 'Warning', 'message' => $msg);
                return $this->show_view('errors/html/error_404');
            }
        }
    }

    /**
     * 获取参数(只支持application/json格式)
     * @param string $key
     * @return array|mixed
     */
    protected function input_param($key = ''){
        if($key){
            return $this->inputs[$key];
        }

        $request = $this->input->method();

        switch($request){
            case 'post':
            case 'put':
            case 'delete':
                $input = json_decode(file_get_contents('php://input'), true);
                break;
            default:
                $input = $this->input->get();
        }

        $this->request = $request;
        $this->inputs = $input;
        return $this->inputs;
    }

    /**
     * @param $view
     * @param $alone "独立页面"
     */
    protected function show_view($view, $alone = false){
        if($alone){
            $this->load->view($view, $this->data);
        } else{
            $this->load->view('h5/header',$this->data);
            $this->load->view($view);
            $this->load->view('h5/footer');
        }
    }

    /**
     * @param $data
     * @param int $code
     * @param string $msg
     * @param string $url
     */
    protected function show_json($data, $code = 200, $msg = 'success', $url = '')
    {
        if(!isset($data['code'])){
            $data = array('data' => $data, 'code' => $code, 'msg' => $msg, 'url' => $url);
        }

        exit(json_encode($data));
    }

    /**
     * @param $ukey
     * @return array|mixed
     */
    protected function api_session($ukey){
        $redis = &load_cache('redis');

        $app_key = "";
        switch($this->app_id){
            case 1:
                $app_key = "sbcard";
                break;
            case 2:
                $app_key= "xcard";
        }

        if(!$app_key){
            return array();
        }

        $redis_login = "wxapp_{$app_key}_login_";
        //data:{"uid":"用户ID", "session_key":"微信session_key"}
        $data = $redis->get($redis_login.$ukey);

        $session = array();
        if($data){
            $session = json_decode($data, true);
        }

        return $session;
    }

    /**
     * 获取环境
     */
    private function get_env(){
        if (false !== strpos($_SERVER['HTTP_HOST'], 'dev')) { //dev 测试
            $this->env = 'd';
            $this->host = "https://hd-wxdev.xiaoyu.com";
            $this->api_host = "https://hd-api-dev.xiaoyu.com";
        } elseif (false !== strpos($_SERVER['HTTP_HOST'], 'test')) {//test 测试
            $this->env = 't';
            $this->host = "https://www-test.haodian.cn";
            $this->api_host = "https://api.test.haodian.cn";
        } else { // 正式
            $this->env = 'p';
            $this->host = "https://www.haodian.cn";
            $this->api_host = "https://api.haodian.cn";
        }
    }
}