thinkphp 缩略图

admin · 发表于 2018-7-27 15:27:51

function imgs_uploads($path_old = null){
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$images_path = './Uploads/image/shop/';8 S! I6 e* U. G' u
if (!is_dir($images_path)) {# f4 Z9 C1 I: |9 J" l/ x E
mkdir($images_path);4 D# Q4 t. y: u+ M+ t! o" W
}
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$upload = new \Think\Upload();//实列化上传类6 `. s$ F4 j- Q& T# f8 Y
$upload->maxSize=4145728;//设置上传文件最大，大小+ g& [. ~2 r) n$ s) C! e
$upload->exts= array('jpg','gif','png','jpeg');//后缀
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$upload->rootPath =$images_path;//上传目录
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$upload->savePath = ''; // 设置附件上传（子）目录7 K4 @9 O# ^8 S
//$upload->autoSub = true;
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//$upload->subName = array('date','Ymd');6 {" h1 I- R7 {4 ]1 t
//$upload->saveName = array('uniqid','');//设置上传文件规则3 ?8 Z6 y2 j+ F2 [: f
$upload->replace = false;
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$info= $upload->upload();//执行上传方法
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if(!$info){
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$res['status'] = 0;
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$res['res'] = $upload->getError();+ \) R1 `; b) k: G/ u+ |& K
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}else {8 t* {6 |+ q2 h
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//获取上传文件信息! x4 q1 d8 r7 ^) v% ?, k1 K
foreach ($info as $file){
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$img_path[] = '/Uploads/image/shop/'.$file['savepath'] . $file['savename'];
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$name[]=$file['key'];
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}
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//图片物理目录删除、改名图片用! D' a# m$ ~, M1 O
$bigimg=$file['savepath'].$file['savename'];
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//$_POST['goods_big_img']=$bigimg;% S2 m# n2 o$ A" s" O- R3 F% r
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$image=new \Think\Image();7 A7 d- a, G; u* ]
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$srcimg=$upload->rootPath.$bigimg;) B1 Y* L* v8 ?' A& p _
$image->open($srcimg);% w! L2 i* H& P, j3 d
$image->thumb(500,500);4 b$ @! k6 q6 u0 v& b
$smallimg=$file['savepath']."small_".$file['savename'];
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$image->save($upload->rootPath.$smallimg);3 R$ Y& Y, c- b% ^; k4 C
//$_POST['goods_small_img']=$smallimg;
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if ($path_old && $img_path) {
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unlink('.' . $path_old);
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}
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$res['stats'] = 1;
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$res['res'] = $smallimg;) N) }% e; H8 u9 H
$res['name']=$name;: _* d. t, b; x; |# x
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}

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