PHP爬取墨迹天气

<?php
$url = "https://tianqi.moji.com/weather/china/jiangsu/tongzhou-district";
$html = file_get_contents($url);
//GET
/*****************************目前天气*******************************/
$uptime = strpos($html,"info_uptime")+13;
$htmll = substr($html,$uptime);
$endup = strpos($htmll,"<");
echo $uptimes = substr($htmll,0,$endup);
echo "\r\n";
echo "\r\n";
$num = strpos($html,"description") + 22;
$htmlx = substr($html,$num);
$c= strpos($htmlx,">");
$htmlx = substr($htmlx,0,$c-1);
echo $htmlx;
//一句话
echo "\r\n";
echo "\r\n目前天气：";
$tianqistart = strpos($htmlx,"度")+4;
$tianqiend = strpos($htmlx,"，");
$tianqix = $tianqiend - $tianqistart;
$tianqi = substr($htmlx,$tianqistart,$tianqix);
echo $tianqi;
//目前天气
echo "\r\n目前温度：";
$tempnowstart = strpos($htmlx,"：")+3;
$tempnowend = strpos($htmlx,"度")+3;
$tempnowx = $tempnowend- $tempnowstart;
$tempnow = substr($htmlx,$tempnowstart,$tempnowx);
echo $tempnow;
//目前温度


/**************************今天天气**************************/

$numx = strpos($html,"days clearfix")+300;
$htmlxs = substr($html,$numx);
$htmlxsend = strpos($htmlxs,"</strong>");
$htmlxs = substr($htmlxs,0,$htmlxsend);
$numxs = strpos($htmlxs,"alt")+5;
$htmlxs = substr($htmlxs,$numxs);
//GET今日天气

echo "\r\n";
echo "\r\n今天天气: ";
$tianqitodaystart = 0;
$tianqitodayend = strpos($htmlxs,">")-1;
$tianqitodayx = $tianqitodayend - $tianqitodaystart;
$tianqitoday = substr($htmlxs,$tianqitodaystart,$tianqitodayx);
echo $tianqitoday;
//今天天气

echo "\r\n今天温度: ";
$temptodaystart = strpos($htmlxs,"<li>")+4;
$temptodayend = strpos($htmlxs,"<em>")-49;
$temptodayx = $temptodayend - $temptodaystart;
$temptoday = substr($htmlxs,$temptodaystart,$temptodayx);
echo $temptoday;

/*****************************明天天气**********************************/

echo "\r\n";
$numx = strpos($html,"days clearfix")+300;
$htmlxs = substr($html,$numx);
$numx = strpos($htmlxs,"days clearfix")+300;
$htmlxsx = substr($htmlxs,$numx);
$htmlxsend = strpos($htmlxsx,"</strong>");
$htmlxsx = substr($htmlxsx,0,$htmlxsend);
$numxs = strpos($htmlxsx,"alt")+5;
$htmlxsx = substr($htmlxsx,$numxs);
//GET明天天气

echo "\r\n";
echo "\r\n明天天气: ";
$tianqitodaystart = 0;
$tianqitodayend = strpos($htmlxsx,">")-1;
$tianqitodayx = $tianqitodayend - $tianqitodaystart;
$tianqitoday = substr($htmlxsx,$tianqitodaystart,$tianqitodayx);
echo $tianqitoday;
//今天天气

echo "\r\n明天温度: ";
$temptodaystart = strpos($htmlxsx,"<li>")+4;
$temptodayend = strpos($htmlxsx,"<em>")-49;
$temptodayx = $temptodayend - $temptodaystart;
$temptoday = substr($htmlxsx,$temptodaystart,$temptodayx);
echo $temptoday;

/*************************后天天气***************************/

echo "\r\n";
$numx = strpos($html,"days clearfix")+300;
$htmlxs = substr($html,$numx);
$numx = strpos($htmlxs,"days clearfix")+300;
$htmlxsx = substr($htmlxs,$numx);
$numx = strpos($htmlxsx,"days clearfix")+300;
$htmlxsxx = substr($htmlxsx,$numx);
$htmlxsend = strpos($htmlxsxx,"</strong>");
$htmlxsxx = substr($htmlxsxx,0,$htmlxsend);
$numxs = strpos($htmlxsxx,"alt")+5;
$htmlxsxx = substr($htmlxsxx,$numxs);
//GET明天天气

echo "\r\n";
echo "\r\n后天天气: ";
$tianqitodaystart = 0;
$tianqitodayend = strpos($htmlxsxx,">")-1;
$tianqitodayx = $tianqitodayend - $tianqitodaystart;
$tianqitoday = substr($htmlxsxx,$tianqitodaystart,$tianqitodayx);
echo $tianqitoday;
//今天天气

echo "\r\n后天温度: ";
$temptodaystart = strpos($htmlxsxx,"<li>")+4;
$temptodayend = strpos($htmlxsxx,"<em>")-49;
$temptodayx = $temptodayend - $temptodaystart;
$temptoday = substr($htmlxsxx,$temptodaystart,$temptodayx);
echo $temptoday;
echo "\r\n";
?>