thinkphp 缩略图

admin · 发表于 2018-7-27 15:27:51

function imgs_uploads($path_old = null){; d) N; d3 O' [4 T4 \! U8 P
! H% o3 y3 ~/ R% V. a
$images_path = './Uploads/image/shop/';8 f/ N/ ~; |7 p" n7 i) g' W
if (!is_dir($images_path)) {8 @& ^. z- r, h" {% {" X z
mkdir($images_path);
$ ^; X" z5 b# \& z
} 0 _+ E: ]6 b0 \( U
& n1 g2 A+ a% _6 I/ P
+ J8 C' B, `" ~' c8 _6 M% H
$upload = new \Think\Upload();//实列化上传类, D2 s6 _( |* ]: u, v+ h
$upload->maxSize=4145728;//设置上传文件最大，大小
) X1 D$ l/ F# k4 A: S% j& \
$upload->exts= array('jpg','gif','png','jpeg');//后缀; f% ]2 H6 h ~7 P" ^/ L/ r, e
$upload->rootPath =$images_path;//上传目录
0 _/ ~9 J% I+ v0 |) P( `
$upload->savePath = ''; // 设置附件上传（子）目录
4 M+ G8 T1 z; F: a% x q4 B0 I* n7 F
//$upload->autoSub = true;
5 n$ ?3 Y1 L, B" p4 |$ h
//$upload->subName = array('date','Ymd');3 i/ Y1 h- h6 h/ Y7 f, \
//$upload->saveName = array('uniqid','');//设置上传文件规则5 l" d+ z0 ]4 J6 i" [3 e5 T- g
$upload->replace = false;1 w- Q+ z8 c4 V4 x& f, U0 n t# `- c
$info= $upload->upload();//执行上传方法6 U% w" ?( Z% K! A
if(!$info){8 L# D1 T+ G6 f( S! B
$res['status'] = 0;; v' i+ w+ I. }, V+ }3 q1 \9 ^# ~
$res['res'] = $upload->getError();
B6 G' j9 ]* `1 z5 d- t* H+ j
, R+ t: g% E/ J4 `& `
}else {
7 q& |& |2 J# Y9 t0 R9 T
5 F \- u0 W2 a: G# O6 \6 M) x: s
//获取上传文件信息
7 o5 m5 A. C1 O( z0 G9 j
foreach ($info as $file){" A3 y9 d2 c1 }4 V
$img_path[] = '/Uploads/image/shop/'.$file['savepath'] . $file['savename'];: \1 s8 {! N! t
$name[]=$file['key'];$ f$ W+ ?1 B; p: n5 I8 n' `, B
. Y( Y& H; C$ C" ?, a
! ^/ u, z- G* {! r5 j* L) u
}
- M7 ~7 a' }4 B8 c+ a% ~- ~% U
//图片物理目录删除、改名图片用
- q) a+ L# y/ x4 M0 p( S
$bigimg=$file['savepath'].$file['savename'];
) A4 f2 [/ D9 I. x4 G* w
//$_POST['goods_big_img']=$bigimg;6 |) n5 h2 ?4 q+ H2 E2 B/ f
. q, u ]- F' r$ U% b
) c$ m0 A! j, I( y0 C
$image=new \Think\Image();
, ]8 D. L+ C( H" F' r
# P2 o0 [7 D' y" `" O. _
$srcimg=$upload->rootPath.$bigimg;
$ P* }% x! C: s" h
$image->open($srcimg);
$image->thumb(500,500);
" n5 j3 R, m3 ]7 B3 U! Z# _
$smallimg=$file['savepath']."small_".$file['savename'];
, O- I, A/ P& \1 ^5 O
$image->save($upload->rootPath.$smallimg);
; C8 Y( j9 N7 r! B5 h1 _& v
//$_POST['goods_small_img']=$smallimg;
" U$ T9 x, m/ X" U. [& y
+ S/ H) ~/ k) R- p; w
' b2 D$ l, o, Y7 J4 t2 E" W+ C
! K( v: z# ~. b+ S
if ($path_old && $img_path) {7 u: ]' ^' ~5 I0 h4 F
unlink('.' . $path_old);+ I2 H' {8 V* B. H2 C
}
$ a+ Q+ A M2 Q& ]% n/ ^9 O+ L
, W Y* e+ g9 G* o3 n' x
8 Q- E, r/ _' G, R# o4 @" z' w
$res['stats'] = 1;. w2 H n" ~% I3 s: C
$res['res'] = $smallimg;
5 @& _" w% ]/ ~9 ]
$res['name']=$name;
* Y" e5 n, h) j% s. `) e' J# T
}. O. ]; J6 \( s1 v) y- ^
! Y& @' _+ Y1 p: P0 r+ y0 z4 ?
) k6 Q I5 e( {: q5 K
}

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