<?php
/**
 * @author:王刚涛
 * 用于获取历史数据各种指数
 * http://hq.sinajs.cn/list=s_sz000002
 */


class Input_163
{
    const GLOBAL_URL_0 = "http://quotes.money.163.com/service/chddata.html?code=";
    const GLOBAL_URL_1 = "&start=";
    const GLOBAL_URL_2 = "&end=";
    const GLOBAL_URL_3 = "&fields=TOPEN;HIGH;LOW;TCLOSE;VATURNOVER;VOTURNOVER;CHG;PCHG";

    static private function curl_get_data($url){
        $curlHandle = curl_init();
        curl_setopt($curlHandle, CURLOPT_URL, $url);
        curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curlHandle, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curlHandle, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curlHandle, CURLOPT_TIMEOUT, 10);
        $content = curl_exec($curlHandle);
        curl_close($curlHandle);
        $content1 = explode("\n", $content);//以换行符进行分割字符串
        return $content1;
    }

    //接口使用的编码，深圳加1，上海加0
    static private function getCodeForURL($code)
    {
        $preNum = '0';
        $index = Index::getInfoByCode($code);
        if ($index['exchange'] == STOCK_EXCHANGE_SZ) {
            $preNum = '1';
        }
        return $preNum.$code;
    }

    //深市返回的成交量以个为单位，需转换为以手为单位
    static private function getAmountForIndexDayK($code, $amount)
    {
        $newAmount = $amount;
        $index = Index::getInfoByCode($code);
        if ($index['exchange'] == STOCK_EXCHANGE_SZ) {
            $newAmount = round($amount / 100);
        }
        return $newAmount;
    }

    //获取指定时间段指数的历史数据
    static private function getPartIndexDayK($code, $start_date, $end_date)
    {
        $urlCode = self::getCodeForURL($code);
        $url = self::GLOBAL_URL_0.$urlCode.self::GLOBAL_URL_1.$start_date.self::GLOBAL_URL_2.$end_date.self::GLOBAL_URL_3;
        $contentList = self::curl_get_data($url);
        if (empty($contentList[1])) {               //只有标题，没有内容
            return;
        }

        for ($i = count($contentList) - 1; $i > 0; $i--) {  //倒叙遍历，日期是倒叙的，不遍历标题
            $content = trim($contentList[$i]);
            if (empty($content)) {
                continue;
            }
            $item = explode(",", iconv("gbk", "utf-8", $content));
            $data['code'] = explode("'",$item[1])[1];
            $data['date'] = ConverseDate($item[0]);
            $data['name'] = trim($item[2]);
            $data['timestamp'] = strtotime($item[0]);           //当日零点的时间戳
            $data['open_price'] = floatval(EmptyToZero($item[3]));
            $data['highest_price'] = floatval(EmptyToZero($item[4]));
            $data['lowest_price'] = floatval(EmptyToZero($item[5]));
            $data['close_price'] = floatval(EmptyToZero($item[6]));
            $data['value'] = floatval($item[7]);
            $data['amount'] = self::getAmountForIndexDayK($data['code'],floatval($item[8]));
            $data['increase_price'] = floatval(EmptyToZero($item[9]));
            $data['increase_ratio'] = floatval(EmptyToZero($item[10]));
            if ($data['close_price'] == 0) {                    //当收盘价为0的时候，表示此时的基于9-15点，所以不存储
                continue;
            }
            if (!empty($data['name'])) {                       //判断非法股票代码
                Index_day_k::addOrUpdateByCodeDate($data);
            }
        }

        return;
    }

    //获取自20140101到前一天的指定的指数数据
    static public function getIndexDayK()
    {
        $indexList = Index::getAllList();
        $end_date = (int)date('Ymd', time());
        $end_year = (int)($end_date / 10000);
        for($year = GLOBAL_BEGIN_YEAR; $year < $end_year; $year++) {
            foreach($indexList as $item) {
                self::getPartIndexDayK($item['code'], $year.'0101', $year.'1231');
            }
        }
        foreach($indexList as $item) {
            self::getPartIndexDayK($item['code'], $end_year.'0101', $end_year.'1231');
        }
        return;
    }

}

?>