《PHP實(shí)戰(zhàn):PHP CURL采集百度搜尋結(jié)果圖片不顯示問題的解決方法》要點(diǎn):
本文介紹了PHP實(shí)戰(zhàn):PHP CURL采集百度搜尋結(jié)果圖片不顯示問題的解決方法,希望對(duì)您有用。如果有疑問,可以聯(lián)系我們。
PHP實(shí)例1.根據(jù)關(guān)鍵字采集百度搜尋結(jié)果
PHP實(shí)例根據(jù)關(guān)鍵字采集百度搜尋結(jié)果,可以使用curl實(shí)現(xiàn),代碼如下:
PHP實(shí)例
<?php
function doCurl($url, $data=array(), $header=array(), $timeout=30){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
$response = curl_exec($ch);
if($error=curl_error($ch)){
die($error);
}
curl_close($ch);
return $response;
}
$wd = '仙劍奇?zhèn)b傳';
$url = 'http://www.baidu.com/s?wd='.urlencode($wd);
$data = array();
$header = array();
$response = doCurl($url, $data, $header, 5);
echo $response;
?>
PHP實(shí)例輸出后發(fā)現(xiàn)有部分圖片不能顯示
PHP實(shí)例?
PHP實(shí)例2.采集后的圖片不顯示原因分析
PHP實(shí)例直接在百度中搜尋,頁(yè)面是可以顯示圖片的.使用firebug查看圖片路徑,發(fā)現(xiàn)采集的圖片域名與在百度搜尋的圖片域名不同.
PHP實(shí)例采集返回的圖片域名 t11.baidu.com
PHP實(shí)例?
PHP實(shí)例正常搜尋的圖片域名 ss1.baidu.com
PHP實(shí)例?
PHP實(shí)例查看采集與正常搜尋的html,發(fā)現(xiàn)有個(gè)域名轉(zhuǎn)換的js是不一樣的
PHP實(shí)例采集
PHP實(shí)例
var list = {
"graph.baidu.com": "http://graph.baidu.com",
"t1.baidu.com":"http://t1.baidu.com",
"t2.baidu.com":"http://t2.baidu.com",
"t3.baidu.com":"http://t3.baidu.com",
"t10.baidu.com":"http://t10.baidu.com",
"t11.baidu.com":"http://t11.baidu.com",
"t12.baidu.com":"http://t12.baidu.com",
"i7.baidu.com":"http://i7.baidu.com",
"i8.baidu.com":"http://i8.baidu.com",
"i9.baidu.com":"http://i9.baidu.com",
};
PHP實(shí)例正常搜尋
PHP實(shí)例
var list = {
"graph.baidu.com": "https://sp0.baidu.com/-aYHfD0a2gU2pMbgoY3K",
"t1.baidu.com":"https://ss0.baidu.com/6ON1bjeh1BF3odCf",
"t2.baidu.com":"https://ss1.baidu.com/6OZ1bjeh1BF3odCf",
"t3.baidu.com":"https://ss2.baidu.com/6OV1bjeh1BF3odCf",
"t10.baidu.com":"https://ss0.baidu.com/6ONWsjip0QIZ8tyhnq",
"t11.baidu.com":"https://ss1.baidu.com/6ONXsjip0QIZ8tyhnq",
"t12.baidu.com":"https://ss2.baidu.com/6ONYsjip0QIZ8tyhnq",
"i7.baidu.com":"https://ss0.baidu.com/73F1bjeh1BF3odCf",
"i8.baidu.com":"https://ss0.baidu.com/73x1bjeh1BF3odCf",
"i9.baidu.com":"https://ss0.baidu.com/73t1bjeh1BF3odCf",
};
PHP實(shí)例因此可以斷定是,百度根據(jù)來源地址、IP、header等參數(shù),判斷如果是采集的,則返回不同的js.
PHP實(shí)例3.采集后圖片不顯示的解決方法
PHP實(shí)例把采集到的html,根據(jù)定義的域名做一次批量轉(zhuǎn)換即可.
PHP實(shí)例
<?php
function doCurl($url, $data=array(), $header=array(), $timeout=30){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
$response = curl_exec($ch);
if($error=curl_error($ch)){
die($error);
}
curl_close($ch);
return $response;
}
// 域名轉(zhuǎn)換
function cdomain($str){
$baidu_domain = '{
"http://graph.baidu.com": "https://sp0.baidu.com/-aYHfD0a2gU2pMbgoY3K",
"http://p.qiao.baidu.com":"https://sp0.baidu.com/5PoXdTebKgQFm2e88IuM_a",
"http://vse.baidu.com":"https://sp3.baidu.com/6qUDsjip0QIZ8tyhnq",
"http://hdpreload.baidu.com":"https://sp3.baidu.com/7LAWfjuc_wUI8t7jm9iCKT-xh_",
"http://lcr.open.baidu.com":"https://sp2.baidu.com/8LUYsjW91Qh3otqbppnN2DJv",
"http://kankan.baidu.com":"https://sp3.baidu.com/7bM1dzeaKgQFm2e88IuM_a",
"http://xapp.baidu.com":"https://sp2.baidu.com/yLMWfHSm2Q5IlBGlnYG",
"http://dr.dh.baidu.com":"https://sp0.baidu.com/-KZ1aD0a2gU2pMbgoY3K",
"http://xiaodu.baidu.com":"https://sp0.baidu.com/yLsHczq6KgQFm2e88IuM_a",
"http://sensearch.baidu.com":"https://sp1.baidu.com/5b11fzupBgM18t7jm9iCKT-xh_",
"http://s1.bdstatic.com":"https://ss1.bdstatic.com/5eN1bjq8AAUYm2zgoY3K",
"http://olime.baidu.com":"https://sp0.baidu.com/8bg4cTva2gU2pMbgoY3K",
"http://app.baidu.com":"https://sp2.baidu.com/9_QWsjip0QIZ8tyhnq",
"http://i.baidu.com":"https://sp0.baidu.com/74oIbT3kAMgDnd_",
"http://c.baidu.com":"https://sp0.baidu.com/9foIbT3kAMgDnd_",
"http://sclick.baidu.com":"https://sp0.baidu.com/5bU_dTmfKgQFm2e88IuM_a",
"http://nsclick.baidu.com":"https://sp1.baidu.com/8qUJcD3n0sgCo2Kml5_Y_D3",
"http://sestat.baidu.com":"https://sp1.baidu.com/5b1ZeDe5KgQFm2e88IuM_a",
"http://eclick.baidu.com":"https://sp3.baidu.com/-0U_dTmfKgQFm2e88IuM_a",
"http://api.map.baidu.com":"https://sp2.baidu.com/9_Q4sjOpB1gCo2Kml5_Y_D3",
"http://ecma.bdimg.com":"https://ss1.bdstatic.com/-0U0bXSm1A5BphGlnYG",
"http://ecmb.bdimg.com":"https://ss0.bdstatic.com/-0U0bnSm1A5BphGlnYG",
"http://t1.baidu.com":"https://ss0.baidu.com/6ON1bjeh1BF3odCf",
"http://t2.baidu.com":"https://ss1.baidu.com/6OZ1bjeh1BF3odCf",
"http://t3.baidu.com":"https://ss2.baidu.com/6OV1bjeh1BF3odCf",
"http://t10.baidu.com":"https://ss0.baidu.com/6ONWsjip0QIZ8tyhnq",
"http://t11.baidu.com":"https://ss1.baidu.com/6ONXsjip0QIZ8tyhnq",
"http://t12.baidu.com":"https://ss2.baidu.com/6ONYsjip0QIZ8tyhnq",
"http://i7.baidu.com":"https://ss0.baidu.com/73F1bjeh1BF3odCf",
"http://i8.baidu.com":"https://ss0.baidu.com/73x1bjeh1BF3odCf",
"http://i9.baidu.com":"https://ss0.baidu.com/73t1bjeh1BF3odCf",
"http://b1.bdstatic.com":"https://ss0.bdstatic.com/9uN1bjq8AAUYm2zgoY3K",
"http://ss.bdimg.com":"https://ss1.bdstatic.com/5aV1bjqh_Q23odCf",
"http://opendata.baidu.com":"https://sp0.baidu.com/8aQDcjqpAAV3otqbppnN2DJv",
"http://api.open.baidu.com":"https://sp0.baidu.com/9_Q4sjW91Qh3otqbppnN2DJv",
"http://tag.baidu.com":"https://sp1.baidu.com/6LMFsjip0QIZ8tyhnq",
"http://f3.baidu.com":"https://sp2.baidu.com/-uV1bjeh1BF3odCf",
"http://s.share.baidu.com":"https://sp0.baidu.com/5foZdDe71MgCo2Kml5_Y_D3",
"http://bdimg.share.baidu.com":"https://ss1.baidu.com/9rA4cT8aBw9FktbgoI7O1ygwehsv",
"http://1.su.bdimg.com":"https://ss0.bdstatic.com/k4oZeXSm1A5BphGlnYG",
"http://2.su.bdimg.com":"https://ss1.bdstatic.com/kvoZeXSm1A5BphGlnYG",
"http://3.su.bdimg.com":"https://ss2.bdstatic.com/kfoZeXSm1A5BphGlnYG",
"http://4.su.bdimg.com":"https://ss3.bdstatic.com/lPoZeXSm1A5BphGlnYG",
"http://5.su.bdimg.com":"https://ss0.bdstatic.com/l4oZeXSm1A5BphGlnYG",
"http://6.su.bdimg.com":"https://ss1.bdstatic.com/lvoZeXSm1A5BphGlnYG",
"http://7.su.bdimg.com":"https://ss2.bdstatic.com/lfoZeXSm1A5BphGlnYG",
"http://8.su.bdimg.com":"https://ss3.bdstatic.com/iPoZeXSm1A5BphGlnYG"
}';
$domain = json_decode($baidu_domain, true);
foreach($domain as $k=>$v){
$str = str_replace($k, $v, $str);
}
return $str;
}
$wd = '仙劍奇?zhèn)b傳';
$url = 'http://www.baidu.com/s?wd='.urlencode($wd);
$data = array();
$header = array();
$response = doCurl($url, $data, $header, 5);
echo cdomain($response); // 調(diào)用域名轉(zhuǎn)換
?>
PHP實(shí)例增加域名轉(zhuǎn)換后,所有的圖片都可以正常顯示.
PHP實(shí)例
PHP實(shí)例以上所述是小編給大家介紹的PHP CURL采集百度搜尋結(jié)果圖片不顯示問題的解決方法,希望對(duì)大家有所幫助,如果大家有任何疑問請(qǐng)給我留言,小編會(huì)及時(shí)回復(fù)大家的.在此也非常感謝大家對(duì)維易PHP網(wǎng)站的支持!
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