//方法一：//推荐用该方法

$header = array(

'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0',

'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3',

'Accept-Encoding: gzip, deflate',);

$url='http://wx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKkGpNuUhaBniatRsiaG7ksqmhUWzkk40kTRS6icQS7kJcsfxcibQo7vDFcKibr7NHb9YIXiaXsEtLcdL6A/0';

$curl = curl_init();curl_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);curl_setopt($curl, CURLOPT_ENCODING, 'gzip');

curl_setopt($curl, CURLOPT_HTTPHEADER, $header);$data = curl_exec($curl);$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);curl_close($curl);

if ($code == 200) {//把URL格式的图片转成base64_encode格式的！

$imgBase64Code = "data:image/jpeg;base64," . base64_encode($data);

}

$img_content=$imgBase64Code;//图片内容

//echo $img_content;exit;

if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $img_content, $result))

{

$type = $result[2];//得到图片类型png?jpg?gif?

$new_file = "./cs/cs.{$type}";

if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $img_content))))

{ echo '新文件保存成功：', $new_file; }}

//方法二：//该方法比较消耗服务器资源，慎用！

$url='http://wx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKkGpNuUhaBniatRsiaG7ksqmhUWzkk40kTRS6icQS7kJcsfxcibQo7vDFcKibr7NHb9YIXiaXsEtLcdL6A/0';

$img_file = file_get_contents($url); $img_content= base64_encode($img_file);

$type = 'jpeg';//得到图片类型png?jpg?gif? $new_file = "./cs/cs.{$type}";

if (file_put_contents($new_file, base64_decode($img_content)))

{

echo 'ok', $new_file;

}

?>