- $ext = explode(".",$picname);
- $ext=end($ext); //判断图片类型 www.bcty365.com
- switch($ext){
- case "png":
- $image=imagecreatefrompng($picname);
- break;
- case "jpeg":
- $image=imagecreatefromjpeg($picname);
- break;
- case "jpg":
- $image=imagecreatefromjpeg($picname);
- break;
- case "gif":
- $image=imagecreatefromgif($picname);
- break;
- }
使用$ext = explode(".",$picname);$ext=end($ext);判断图片类型明显有弊端
那该如何优化呢?代码如下
- $ename=getimagesize($picname);
- $ename=explode('/',$ename['mime']);
- $ext=$ename[1];
- switch($ext){
- case "png":
- $image=imagecreatefrompng($picname);
- break;
- case "jpeg":
- $image=imagecreatefromjpeg($picname);
- break;
- case "jpg":
- $image=imagecreatefromjpeg($picname);
- break;
- case "gif":
- $image=imagecreatefromgif($picname);
- break;
- }
这样获取准确的图片类型,然后在执行裁剪,这样裁剪就没有问题了,奇葩问题。。。。
ok ,解决