php 抓取天气情况 www.weather.com.cn
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<?php print_r(getweather(101120501)); /** * Server 天气情况获取函数 * @param unknown $city */ function getweather($city){ $url = "http://www.weather.com.cn/weather1d/".$city.".shtml"; $result = file_get_contents($url); $result = explode("<li class='dn on' data-dn='todayT'>",$result); $result = explode("<div class=\"m m2\" id=\"2_3d\">",$result[1]); $result = mb_convert_encoding($result[0],"GBK","UTF-8"); $first = explode("<div class=\"slid\"></div>",$result); //print_r($first);exit; $w1 = get_we_info($first[0]); $w2 = get_we_info($first[1]); $week = mb_substr($w1[0],-2); $arr['w_week'] = $week; $arr['w_day1'] = trim($w1[1]); $arr['w_day2'] = trim($w2[1]); $arr['w_type1'] = trim($w1[2]); $arr['w_type2'] = trim($w2[2]); $arr['w_temperature1']= trim($w1[3]); $arr['w_temperature2']= trim($w2[3]); return $arr; } /** * 每天的具体天气状况(今天 白天->今天 夜间) * @param unknown $info * @return string */ function get_we_info($info){ $w_info=explode("</h1>",$info); $we_arr[0] = strip_tags($w_info[0]); $w_info=explode("</h2>",$w_info[1]); $we_arr[1] = strip_tags($w_info[0]); $w_info = explode("<p class=\"tem\">",$w_info[1]); $we_arr[2] = strip_tags($w_info[0]); $w_info=explode("<i>",$w_info[1]); //$w_info=explode("<p class=\"win\">",$w_info[1]); $we_arr[3]=strip_tags($w_info[0]); return $we_arr; } ?>
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