随机返回B站内的图片

1

这个PHP脚本的功能是从B站（bilibili.com）的文章中随机抓取一张图片，并显示在网页上。使用方法是在浏览器中输入这个脚本的地址，然后在地址栏后面加上?search=或者?mobile_search=，再加上你想要搜索的关键词，例如?search=动漫或者?mobile_search=游戏。这样就会跳转到一张和你搜索的关键词相关的图片。如果没有找到图片，就会显示空白页面。


```<?php
//header(“Access-Control-Allow-Origin:*”); //接受所有访问（似乎不需要）
if(is_Mobile()&&isset($_REQUEST[“mobile_search”])&&$_REQUEST[“mobile_search”]) {
$q=urlencode($_REQUEST[“mobile_search”]);
} else if(isset($_REQUEST[“search”])&&$_REQUEST[“search”]) {
$q=urlencode($_REQUEST[“search”]);
} else {
exit;
}
$p=rand(1,30); //随机页数

$json = GET(“https://api.bilibili.com/x/web-interface/wbi/search/type?__refresh__=true&amp;_extra=&amp;context=&amp;page=$p&amp;page_size=1&amp;order=totalrank&amp;duration=&amp;from_source=&amp;from_spmid=333.337&amp;platform=pc&amp;highlight=1&amp;single_column=0&amp;keyword=$q&amp;qv_id=LQu75dQ0Mz3MbQwEQa3Sgv7vLFqYEq5l&amp;ad_resource=&amp;source_tag=3&amp;category_id=0&amp;search_type=article&amp;w_rid=9fa7196ec35041e8c2b0d41bc0b273bd&amp;wts=1673791435”);
$arr = json_decode($json, true);
$id=$arr[“data”][“result”][0][“id”];
if(!$id) exit;
$html = GET(“https://www.bilibili.com/read/cv$id”);
$mun=preg_match_all(‘/(?<=data-src=[“']).+?(?=[”'])/’,$html,$data);
if(–$mun) $data=$data[0];
else exit;
shuffle($data);
foreach ($data as $v){
$img = ‘https:’ . $v;
if(getimagesize($img)[1]>=400) { //判断图片长度是否超过400（主要用来防装饰图片，会减慢响应速度）
//header(“location: https://image.baidu.com/search/down?tn=download&amp;ipn=dwnl&amp;word=download&amp;ie=utf8&amp;fr=result&amp;url=$img&amp;thumburl=0”); //调用百度下载图片API绕过B站防盗链
header(“location: https://cdn.cdnjson.com/“.str_replace(“https://”,””,$img));
//header(“location: $img”);
break;
}
}

//GET
function GET($url) {
$headers= “user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36”;
$headers= "cookie: buvid3=0; ";

$curl = curl_init();
curl_setopt($curl, CURLOPT_URL,$url);
curl_setopt($curl, CURLOPT_HEADER,0);
curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);
curl_setopt($curl,CURLOPT_HTTPHEADER,$headers);
curl_setopt($curl, CURLOPT_ENCODING, '');
curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($curl,CURLOPT_NOBODY,0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($curl);
curl_close($curl);
return $data;

}

//is Mobile
function is_Mobile()
{
if (isset($_SERVER[‘HTTP_VIA’]) && stristr($_SERVER[‘HTTP_VIA’], “wap”)) {
return true;
} elseif (isset($_SERVER[‘HTTP_ACCEPT’]) && strpos(strtoupper($_SERVER[‘HTTP_ACCEPT’]), “VND.WAP.WML”)) {
return true;
} elseif (isset($_SERVER[‘HTTP_X_WAP_PROFILE’]) || isset($SERVER[‘HTTP_PROFILE’])) {
return true;
} elseif (isset($SERVER[‘HTTP_USER_AGENT’]) && preg_match('/(blackberry|configuration/cldc|hp |hp-|htc |htc|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|opera mini|opera |Googlebot-Mobile|YahooSeeker/M1A1-R2D2|android|iphone|ipod|mobi|palm|palmos|pocket|portalmmm|ppc;|smartphone|sonyericsson|sqh|spv|symbian|treo|up.browser|up.link|vodafone|windows ce|xda |xda)/i’,$_SERVER[‘HTTP_USER_AGENT’])) {
return true;
} else {
return false;
}
}
?>
```