<div class="codetitle"><a style="CURSOR: pointer" data="6124" class="copybut" id="copybut6124" onclick="doCopy('code6124')"> 代码如下:@H_301_1@<div class="codebody" id="code6124">
/*
修改一个图片 让其翻转指定度数

@param string $filename 文件名（包括文件路径）
@param float $degrees 旋转度数
@return boolean
*/
function flip($filename,$src,$degrees = 90)
{
//读取图片
$data = @getimagesize($filename);
if($data==false)return false;
//读取旧图片
switch ($data[2]) {
case 1:
$src_f = imagecreatefromgif($filename);break;
case 2:
$src_f = imagecreatefromjpeg($filename);break;
case 3:
$src_f = imagecreatefrompng($filename);break;
}
if($src_f=="")return false;
$rotate = @imagerotate($srcf,$degrees,0);
if(!imagejpeg($rotate,100))return false;
@imagedestroy($rotate);
return true;
}
@H301_1@