<?php
namespace Spider\Lib;
use Dever;

class Download
{
	private $data;

	public function __construct($url, $param)
	{
		if (isset($param['request_type']) && $param['request_type'] == 2) {
			$param['request_type'] = 'post';
		} else {
			$param['request_type'] = 'get';
		}

		if (isset($param['content_type']) && $param['content_type'] == 2) {
			$param['content_type'] = true;
		} else {
			$param['content_type'] = false;
		}
		if (!isset($param['param'])) {
			$param['param'] = array();
		}
		if (!isset($param['header'])) {
			$param['header'] = false;
		}
		$this->data = Dever::curl($url, $param['param'], $param['request_type'], $param['content_type'], $param['header']);
	}

	public function get($type)
	{
		return $this->filter($this->data, $type);
	}

	private function filter($string, $type)
	{
		if ($type != 'json') {
			$encode = mb_detect_encoding($string, array('GB2312','GBK','UTF-8'));
			$config = array('GB2312', 'GBK', 'EUC-CN', 'CP936');
			if (in_array($encode, $config)) {
				$string = iconv('GBK', 'UTF-8', $string);
			}
			/*
			if ($encode == 'CP936') {
				$string = iconv('SJIS', 'UTF-8', $string);
			}
			*/
			$string = str_replace(PHP_EOL, '', $string);
		}
		
		return $string;
	}
}