一个远程采集接口图片的小小案例

[PHP]并不太适合采集,建议用 Python 才稳定

话不多说了,上代码了....

<?php
/**
 * 随机图片远程采集案例
 * @author **
 * @url    http://blog.kieng.cn
 * @time   2018-11-14
 */
header('Content-type: application/json');
 
//图片接口地址
$url = 'https://cdn.seovx.com/?mom=302';
// 图片存放文件夹
$path = 'images/';
//获取图片真实地址
$url = url_get($url);
//获取文件名
$filenames = basename($url);
 
$file_c = $path . $filenames;
 
if (file_exists($file_c)) {
    //文件已经存在
    echo json_encode(array('url' => $url, 'filename' => $filenames, 'state' => '202'));
} else {
    if (download($url, $path)) {
        //采集成功
        echo json_encode(array('url' => $url, 'filename' => $filenames, 'state' => '200'));
    } else {
        //采集失败
        echo json_encode(array('url' => $url, 'filename' => $filenames, 'state' => '201'));
    }
 
}
 
function url_get($url) {
    // 获取图片真实地址
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_VERBOSE, true);
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_NOBODY, true);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 20);
    curl_setopt($ch, CURLOPT_AUTOREFERER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    // 下面两行为不验证证书和 HOST，建议在此前判断 URL 是否是 HTTPS
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    // $ret 返回跳转信息
    $ret = curl_exec($ch);
    // $info 以 array 形式返回跳转信息
    $info = curl_getinfo($ch);
 
    // 记得关闭 curl
    curl_close($ch);
    // 跳转后的 URL 信息
    return $info['url'];
}
 
function download($url, $path = 'images/') {
    //远程下载保存
    if (!file_exists($path)) {
        mkdir("$path", 0777, true);
    }
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
    $file = curl_exec($ch);
    curl_close($ch);
    $filename = pathinfo($url, PATHINFO_BASENAME);
    $resource = fopen($path . $filename, 'a');
    fwrite($resource, $file);
    fclose($resource);
    return true;
}