thinkphp 缩略图

admin · 发表于 2018-7-27 15:27:51

function imgs_uploads($path_old = null){
0 S( l; h: Z+ p: {% L5 s
. u0 `1 g$ X' i% Q: ^" b/ U+ Q O0 ?
$images_path = './Uploads/image/shop/';; w+ }& E9 v8 D/ q& C) V+ o
if (!is_dir($images_path)) {% h' u# r- o& O J; V7 C" W+ j. W* n
mkdir($images_path);: c0 V% Z- _0 @0 m h. L
}
- s7 H0 E" c+ b. Z4 }
! s) R) y5 ~# B8 W9 _
1 _6 q9 C, e# ?
$upload = new \Think\Upload();//实列化上传类
# `$ d; Q0 E4 i- z' u
$upload->maxSize=4145728;//设置上传文件最大，大小
/ ?( S. Q4 U) N7 t0 ?% Q
$upload->exts= array('jpg','gif','png','jpeg');//后缀, k. C( C2 o* ?; i( m# Q
$upload->rootPath =$images_path;//上传目录7 G; j& A" i) G
$upload->savePath = ''; // 设置附件上传（子）目录
s/ f$ x# o" b2 H5 D& ^
//$upload->autoSub = true;$ K( Z4 Q& o: u$ @1 X3 G' {
//$upload->subName = array('date','Ymd');
7 }$ E; @) X0 z
//$upload->saveName = array('uniqid','');//设置上传文件规则; a" a1 v$ L* c. e# U$ L0 J
$upload->replace = false;+ b; x5 ]7 P7 C+ c/ {
$info= $upload->upload();//执行上传方法
! D' }. }9 e7 ]1 |. n
if(!$info){4 s' G, I, N0 Q! ?7 ^- }- v
$res['status'] = 0;
% ?+ e3 t/ R- I* W
$res['res'] = $upload->getError();4 T f8 h) E! y* _8 O
$ X9 s* O$ Z* J p4 m
}else {
! V" p: M+ _. n. @6 Y: y% j
, y! p; K. b# `$ }( r
//获取上传文件信息
- D E% ?/ k. p# ?( j( e. m
foreach ($info as $file){/ Y; V2 |) j( G4 f3 G3 c
$img_path[] = '/Uploads/image/shop/'.$file['savepath'] . $file['savename'];( p- N9 D3 G' \5 ~' J l1 ~, K
$name[]=$file['key'];
0 B2 W* R( S- I. u
* l) f0 i9 T& P. T
& |3 [, C5 d! ?5 b# k) P
}
0 ~" n$ K4 @. u/ c
//图片物理目录删除、改名图片用0 a/ u& c: n9 ]* k
$bigimg=$file['savepath'].$file['savename'];
9 k* N" ^+ ]/ B& W
//$_POST['goods_big_img']=$bigimg;# a1 J: O) Y9 h- B, \
$ _- R- R* m9 [ Y+ C( g6 r1 `
! f- Z# P. X! M. c
$image=new \Think\Image();
7 t, h- j8 F8 K% k6 F7 C$ p
h' j' q& }7 U' N* P# M/ z3 f
$srcimg=$upload->rootPath.$bigimg;' e6 Y- r# O1 ], d. o. K$ f/ f7 P9 M9 q
$image->open($srcimg);: T; Q! T9 g- Y2 q
$image->thumb(500,500);
; D8 k/ u1 M7 d" `/ U0 F7 P# V/ l8 I
$smallimg=$file['savepath']."small_".$file['savename'];
+ P7 A- v7 |8 E0 ]8 j% {
$image->save($upload->rootPath.$smallimg);3 }$ K4 d# {7 R% B P
//$_POST['goods_small_img']=$smallimg;
0 A1 v" G2 D6 y3 ]9 s/ B2 S/ U
. }1 B# `, f& u- Q& @6 h5 C5 U
, `) E* Y& E+ F
/ P" c# e5 p4 L, V
if ($path_old && $img_path) {
: S% v3 c5 ^- v; a! P2 `
unlink('.' . $path_old);& @# c) B# M* J; `4 n) I# m8 r; n3 r
}' }) b( G! c& s' y
/ F# L% R8 ]' R4 ?- d
j. H4 `9 w0 O0 O
$res['stats'] = 1;5 D# | k C9 Y$ v z1 @
$res['res'] = $smallimg;: j* A2 i% U" i! W8 G8 j
$res['name']=$name;
& L- `+ a3 S/ E+ A, {2 y6 _( F
}( Q0 R# N0 f1 K4 A! V y* s
+ I( j( T' o# P7 [/ p- c6 i0 U
& ]7 y. F$ K: d% \* ]- X
}

复制代码

帐号		自动登录	找回密码
密码			立即注册

[thinkphp学习资料] thinkphp 缩略图