Images.php
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<?php
/**
* User: Zip
* Date: 15/10/28
* Time: 下午13:08
*/
namespace Plugin;
class Images
{
private static $domain = '.static.yhbimg.com';
private static $default_image = '/2015/08/25/02/01dd632a6e07bfef457ce4beda21dd6413.png';
private static $domainList = array(
'01' => array(
'img10.static.yhbimg.com',
'img11.static.yhbimg.com',
),
'02' => array(
'img12.static.yhbimg.com',
'img13.static.yhbimg.com'
),
'yhb-head' => 'head.static.yhbimg.com'
);
private static $staticDomain = array(
'bucket' => ''
);
private static $qiniuDomain = 'yhfair.qiniudn.com';
/**
* 缩略图模板
* @param $fileName
* @param $bucket
* @param string $position ()
* @param string $background
* @return string
*/
static function template($fileName, $bucket = 'yhfair', $mode = 1)
{
return self::url($fileName, $bucket, $mode);
}
/**
*
* @param unknown $fileName
* @param string $bucket
* @return string
*/
public static function getSourceUrl($fileName, $bucket = 'yhfair')
{
if(stripos($fileName, 'http://') === 0){
return $fileName;
}
$domain = self::getDomain($bucket, $fileName);
return 'http://' . $domain . '/' . $bucket . $fileName;
}
/**
* 根据尺寸获得图片url
* @param unknown $fileName
* @param unknown $width
* @param unknown $height
* @param number $mode
* @param string $bucket
* @return mixed
*/
public static function getImageUrl($fileName, $width, $height, $mode = 1, $bucket = 'goodsimg')
{
if (stripos($fileName, 'http://') !== 0){
$fileName = self::template($fileName, $bucket, $mode);
}
return strtr($fileName, array('{width}' => $width, '{height}' => $height, '{mode}' => $mode));
}
/**
* 获取图片URL模板
* @param $fileName
* @param int $mode
* @param string $bucket
* @return string
*/
public static function url($fileName, $bucket = 'yhfair', $mode = 1)
{
$domain = self::getDomain($bucket, $fileName);
return self::getImgTemplateUrl($bucket . $fileName, $mode, $domain);
}
public static function getDomain($bucket, $fileName)
{
$domain = '';
if(!empty(self::$domainList[$bucket])){
$domain = self::$domainList[$bucket];
}else{
$node = mb_substr($fileName, 15, 2);
if (!empty(self::$domainList[$node])) {
$domainList = self::$domainList[$node];
$nodeNum = sprintf('%u', crc32($fileName)) % count($domainList);
$domain = $domainList[$nodeNum];
}
}
return $domain;
}
/**
* 获取模板的图片地址
* @param $fileName
* @param int $width
* @param int $height
* @param int $mode
* @param null $domain
* @return string
*/
private static function getImgTemplateUrl($fileName, $mode = 1, $domain = null)
{
if ($domain == null) {
$domain = self::$qiniuDomain;
}
$baseUrl = self::MakeBaseUrl($domain, $fileName);
return self::MakeTemplateRequest($baseUrl);
}
private static function MakeBaseUrl($domain, $key) // => $baseUrl
{
$keyEsc = str_replace("%2F", "/", rawurlencode($key));
return "http://$domain/$keyEsc";
}
private static function MakeTemplateRequest($url)
{
$ops = array();
$ops[] = '{mode}';
$ops[] = 'w/{width}';
$ops[] = 'h/{height}';
if (empty($ops)) {
return $url;
}
return $url . "?imageView/" . implode('/', $ops);
}
}