webview/index.php

<?php
$host = $_SERVER['SERVER_NAME'];
$szUrl = $_GET['url'];
$baseUrl = explode('/',$szUrl);
if($baseUrl[0] == 'http:' || $baseUrl[0] == 'https:'){
    $baseUrl = '//'.$host.'?url='.$baseUrl[2];
}else{
    $baseUrl = '//'.$host.'?url='.$baseUrl[0];
}

$UserAgent = 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; .NET CLR 3.5.21022; .NET CLR 1.0.3705; .NET CLR 1.1.4322)';
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $szUrl);
curl_setopt($curl, CURLOPT_HEADER, 1);  //0表示不输出Header，1表示输出
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_ENCODING, '');
curl_setopt($curl, CURLOPT_USERAGENT, $UserAgent);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
$data = curl_exec($curl);


$i_headerLen = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
$s_header = substr($data,0, $i_headerLen);
$s_body = substr($data, $i_headerLen);

$pos = substr($s_header,strpos($s_header,'Content-Type'));
$content_type = explode(" ",$pos );

//正则替换

$regex4 = "/src=\"https:\/\/(.*\/.*?)\"/";;
$replace4 = "src=https://$host?url=$1";
$html = preg_replace($regex4,$replace4,$s_body);

$regex5 = "/href=\"https:\/\/(.*\/.*?)/";;
$replace5 = "href=\"https://$host?url=$1";
$html = preg_replace($regex5,$replace5,$html);

$regex6 = "/data-original=\"https:\/\/(.*\/.*?)/";;
$replace6 = "data-original=\"https://$host?url=$1";
$html = preg_replace($regex6,$replace6,$html);

$regex7 = "/src=\"http:\/\/(.*\/.*?)\"/";;
$replace7 = "src=https://$host?url=$1";
$html = preg_replace($regex7,$replace7,$html);

$regex8 = "/href=\"http:\/\/(.*\/.*?)/";;
$replace8 = "href=\"https://$host?url=$1";
$html = preg_replace($regex8,$replace8,$html);

$regex9 = "/data-original=\"http:\/\/(.*\/.*?)/";;
$replace9 = "data-original=\"https://$host?url=$1";
$html = preg_replace($regex9,$replace9,$html);


$regex = "/src=\"\/(.*\/.*?)\"/";;
$replace = "src=$baseUrl/$1";
$html = preg_replace($regex,$replace,$html);

$regex2 = "/href=\"\/(.*\/.*?)/";;
$replace2 = "href=\"$baseUrl/$1";
$html = preg_replace($regex2,$replace2,$html);

$regex3 = "/data-original=\"\/(.*\/.*?)/";;
$replace3 = "data-original=\"$baseUrl/$1";
$html = preg_replace($regex3,$replace3,$html);


//echo curl_errno($curl); //返回0时表示程序执行成功 如何从curl_errno返回值获取错误信息
header($content_type[0]);

echo $html;