
Thinkphp的缩略图Image类是官网提供的,这个缩略图类很牛,具体调用方法请看缩略图手册:http://document.thinkphp.cn/manual_3_2.html#image
PHP生成缩略图方法:
function getLogo($logo, $width, $height, $name) {
$fileArr = pathinfo($logo);
$dirname = $fileArr['dirname'];
$filename = $fileArr['filename'];
$extension = $fileArr['extension'];
$logo_rs = "";
if ($width > 0 && $height > 0) {
$name_thumb = $dirname . "/" . $filename . "_" . $width . "_" . $height . "." . $extension;
if (!file_exists($name_thumb)) {
if (file_exists($logo)) {
$image = new \Think\Image();
$image->open($logo);
$image->thumb($width, $height)->save($name_thumb);
} else {
$name_thumb = "";
}
}
if ($name_thumb) {
$logo_rs = $name_thumb;
}
} else {
$logo_rs = $logo;
}
if ($logo_rs) {
if ($name) {
return "<img src='" . __APP__ . "/" . $logo_rs . "' alt='" . $name . "'/>";
} else {
return __APP__ . "/" . $logo_rs;
}
}
}
前台显示缩略图第一个参数是图片地址,第二个是宽度,第三个是高度
<img alt="50*50" src="{$logo|getLogo=###,50,50}" />
PHP在线生成缩略图演示地址:http://www.sucaihuo.com/php/532.html