video_system/Modules/OpcData/Http/Controllers/Api/OPCDataTurboController.php

<?php

namespace Modules\OpcData\Http\Controllers\Api;

use App\Http\Controllers\Api\BaseController;
use Illuminate\Contracts\Support\Renderable;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Facades\Redis;

class OPCDataTurboController extends BaseController
{
    public function getData(Request $request) {
        $sys_key = isset($request->sys_key) ? $request->sys_key : $request->mine_code;
        $sys_name = isset($request->sys_name) ? $request->sys_name : $request->system_type;
        if (!isset($sys_key) || !isset($sys_name)) {
            return $this->error(-1, '参数错误');
        }

        $redis_key = $sys_key.'_'.$sys_name;

        $redis = Redis::connection('default'); //指定连接user配置节点信息

        $data = $redis->get($redis_key);
        if (isset($data)) {
            return $data;
        } else {
            return $this->error(-1, "接口数据获取错误");
        }


        return $data;

//        $json_data = $this->get_redis_data($redis_key);

        $db_conf = config('database');
        $api_key = 'get';
        $api_url = 'http://'.$db_conf['python_api'][$sys_key]['url'].'/'.$api_key.'/?sys_key='.$sys_key.'&sys_name='.$sys_name;



        $response = $this->request_post($api_url);

        if (gettype($response) == 'integer') {

            switch ($response) {
                case 3:
                    $error_info = 'CURLE_URL_MALFORMAT';
                    break;
                case 7:
                    $error_info = 'CURLE_COULDNT_CONNECT';
                    break;
                default:
                    $error_info = '未知错误：'.$response;
            }
            return $this->error($response, $error_info);
        } else if($data = json_decode($response, true)){

            if ($data == null) {
                return $this->error(500, preg_replace('/<[^>]*>/','',$response));
            } else {
                $arr = $this->data_handling($data);
                return $this->success($arr);
            }
        } else {
            return $this->error(500, '接口服务错误');
        }
    }


    // 取OPC数据接口
    private function request_post($url = '', $param = '') {
        if (empty($url)) {
            return false;
        }
        $postUrl = $url;
        $curlPost = $param;

        $curl = curl_init();//初始化curl
        curl_setopt($curl, CURLOPT_URL,$postUrl);//抓取指定网页
        curl_setopt($curl, CURLOPT_HEADER, 0);//设置header
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
        curl_setopt($curl, CURLOPT_POST, 1);//post提交方式
        curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);//提交的参数
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);

        $data = curl_exec($curl);//运行curl
        $errno = curl_errno($curl);
        curl_close($curl);

        if ($errno > 0) return $errno;

        return $data;
    }

    private function data_handling($data) {
//        $redis = new Redis();
//        $redis->connect();

        $redis = Redis::connection('default'); //指定连接user配置节点信息

        foreach ($data['sys_point'] as $key => $val) {
            foreach ($val as $k => $v) {
                $data_value = $v['val'];
                $data_key = $v['key'];
                if ($data_value) {
//                    $userData = $redis->get($data_key);
                    $data['sys_point'][$key][$k]['val'] = round($data_value, 2);
                    # 数据持久化
                }
            }
        }
        return $data;
    }

    private  function get_redis_data($key) {

        $redis = Redis::connection('default'); //指定连接user配置节点信息
        $data = $redis->get($key);
        if (isset($data)) {
            return $data;
        } else {
            return $this->error(-1, "接口数据获取错误");
        }
    }


    /**
     * Display a listing of the resource.
     * @return Renderable
     */
    public function index()
    {
        return view('opcdata::index');
    }

    /**
     * Show the form for creating a new resource.
     * @return Renderable
     */
    public function create()
    {
        return view('opcdata::create');
    }

    /**
     * Store a newly created resource in storage.
     * @param Request $request
     * @return Renderable
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Show the specified resource.
     * @param int $id
     * @return Renderable
     */
    public function show($id)
    {
        return view('opcdata::show');
    }

    /**
     * Show the form for editing the specified resource.
     * @param int $id
     * @return Renderable
     */
    public function edit($id)
    {
        return view('opcdata::edit');
    }

    /**
     * Update the specified resource in storage.
     * @param Request $request
     * @param int $id
     * @return Renderable
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     * @param int $id
     * @return Renderable
     */
    public function destroy($id)
    {
        //
    }
}