php基于curl实现的股票信息查询类实例

class stock{  /**   * 股票数据接口   */  const STOCK_URL = "http://apis.baidu.com/apistore/stockservice/stock";  /**   * 通过拼音或者汉字获取股票代码   */  const SOCKET_SUGGEST = "http://cjhq.baidu.com/suggest?code5=";  /**   * 单态实例   */  private static $instance;  /**   * API 密钥   */  private static $apikey;  /**   * 实例化类和指定API KEY   * @param apikey string   * @return instance object   */  public static function getInstance($apikey){    if( self::$instance == NULL ){      self::$instance = new self;      self::$apikey = $apikey;    }    return self::$instance;  }  /**   * 获取股票名称   * @param stockid  string   * @return stockName string   */  public static function getName($stockid){    $result = self::getSingleStock($stockid);    return $result['name'];  }  /**   * 获取最后更新时间   * @param stockid string   * @return time  string   */  public static function getTime($stockid){    $result = self::getSingleStock($stockid);    return $result['date'].$result['time'];  }  /**   * 获取K线图地址   * @param stockid string   * @param date   string min/day/week/mouth   * @return imageUrl string   */  public static function getKline($stockid,$date='min'){    $result = self::getSingleStock($stockid);    return $result['klinegraph'][$date.'url'];  }  /**   * 抓取整只股票的数据   * @param stockid string   * @return stock infomation array   */  public static function getSingleStock($stockid){    $type = preg_match('/(/d+){6}/is', $stockid);    if ( $type == 0 ){      $stockid = self::getStockId($stockid);    }    $stock_url = self::STOCK_URL."?stockid=".$stockid;    $result = self::httpGet( $stock_url , true );    if( $result['errNum'] != 0 ){      throw new Exception($result['errMsg'], 1);      return;    }    return $result['retData'];  }  /**   * 输入拼音或者汉字来获取股票代码   * @param name  string   * @return stockid string   */  private static function getStockId($name){    $result = self::httpGet( self::SOCKET_SUGGEST.urlencode(iconv('utf-8', 'GBK', $name)),false );    if (emptyempty($result)){      throw new Exception("stock name not exists", 2);      return;    }    $stockid = $result['Result'][0]['code'];    $stock  = explode('.', $stockid);    return  $stock[1].$stock[0];  }  /**   * GET获取方法   * @param param string 参数   * @author widuu   */  private static function httpGet($url,$header=false) {    $curlHandle = curl_init();    curl_setopt( $curlHandle , CURLOPT_URL, $url );    if( $header ){      curl_setopt( $curlHandle , CURLOPT_HTTPHEADER , array('apikey:'.self::$apikey));    }    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 );    return $header ? json_decode($content,true) :json_decode(iconv('GBK','utf-8',trim($content)),true);  }}//测试代码stock::getInstance("5040bcbfebb0a4cffc7be278723255aa");print_r(stock::getSingleStock('sh601000'));echo stock::getKline('紫金矿业');