thinkphp 缩略图

admin · 发表于 2018-7-27 15:27:51

function imgs_uploads($path_old = null){2 j% ]: c. N* B7 K4 b5 u# E' r) X6 N
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$images_path = './Uploads/image/shop/';
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if (!is_dir($images_path)) {
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mkdir($images_path);
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$upload = new \Think\Upload();//实列化上传类3 K, n4 m% a. k9 z
$upload->maxSize=4145728;//设置上传文件最大，大小5 V0 f7 s; l! W, H
$upload->exts= array('jpg','gif','png','jpeg');//后缀( U2 J2 u! e0 N P7 F4 J
$upload->rootPath =$images_path;//上传目录
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$upload->savePath = ''; // 设置附件上传（子）目录# O$ v4 _- i# P7 G& g6 s q1 T
//$upload->autoSub = true;
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//$upload->subName = array('date','Ymd');! p+ A {# U( f
//$upload->saveName = array('uniqid','');//设置上传文件规则( y7 ~ V7 O7 Y( y3 O1 @* f& M
$upload->replace = false;
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$info= $upload->upload();//执行上传方法! U6 B# `/ Z& p5 l% V( D4 \
if(!$info){* A8 y: Z4 A' r' v, G
$res['status'] = 0;
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$res['res'] = $upload->getError();
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}else {4 x7 |* m+ i) O* _7 c& r
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//获取上传文件信息2 b% G0 h+ Y, P
foreach ($info as $file){+ D% B, t* r6 ~: g0 _* V
$img_path[] = '/Uploads/image/shop/'.$file['savepath'] . $file['savename'];
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$name[]=$file['key'];. v% b: \3 {; c) a. ]) w9 w' M
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}
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//图片物理目录删除、改名图片用
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$bigimg=$file['savepath'].$file['savename'];
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//$_POST['goods_big_img']=$bigimg;% v* j+ y5 y `
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$image=new \Think\Image();
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$srcimg=$upload->rootPath.$bigimg;2 b4 e5 ]2 r! q7 x2 A0 C) i
$image->open($srcimg);2 k+ b D, _$ `0 S0 @- b9 H+ k
$image->thumb(500,500);/ F0 B$ v, |$ Y$ ~! V* k
$smallimg=$file['savepath']."small_".$file['savename'];) g; H1 A' h0 x3 E+ j |2 E5 Z- h
$image->save($upload->rootPath.$smallimg);
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//$_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;5 y# Q+ _) B- r+ |
$res['res'] = $smallimg;
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$res['name']=$name;0 L; h7 Y; ^4 t# E8 n/ e
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}

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