h2 表单提交
h4 GET数据提交
h4 post 数据提交
ps:
提交内容:
请求方式路径 >
具体如下。
ip命令,可以同时显示IPv4和IPv6地址,语法为“ipaddrshow”;hostname命令,可以查看主机名的IP地址,语法为“hostname-I”;
ifconfig命令,可以查询和配置网络接口卡,语法为“ifconfig-a”;curl命令,是一款强大的>
设置保存路径
define('IMAGE_DIR', 'c:\\xampp\\htdocs\\scraper\\image\\');
保存函数。
$imageUrl = 你要的的url
$imageType = 你要的保存的格式
saveImage($imageUrl, $imageType = 'IMAGETYPE_GIF') {
if (!file_exists(IMAGE_DIR)) {
mkdir(IMAGE_DIR, 0777, true);
}
if( $imageType === IMAGETYPE_JPEG ) {
$fileExt = 'jpg';
} elseif ( $imageType === IMAGETYPE_GIF ) {
$fileExt = 'gif';
} elseif ( $imageType === IMAGETYPE_PNG ) {
$fileExt = 'png';
}
$newImageName = md5($imageUrl) '' $fileExt;
$image = new Image();
$image->load($imageUrl);
$image->resizeToWidth(100);
$image->save( IMAGE_DIR $newImageName, $imageType );
return $newImageName;
}
这是我的类,保存前可转换格式,大小。
<php
class Image {
private $_image;
private $_imageFormat;
public function load($imageFile) {
$imageInfo = getImageSize($imageFile);
$this->_imageFormat = $imageInfo[2];
if( $this->_imageFormat === IMAGETYPE_JPEG ) {
$this->_image = imagecreatefromjpeg($imageFile);
} elseif( $this->_imageFormat === IMAGETYPE_GIF ) {
$this->_image = imagecreatefromgif($imageFile);
} elseif( $this->_imageFormat === IMAGETYPE_PNG ) {
$this->_image = imagecreatefrompng($imageFile);
}
}
public function save($imageFile, $_imageFormat=IMAGETYPE_JPEG, $compression=75, $permissions=null) {
if( $_imageFormat == IMAGETYPE_JPEG ) {
imagejpeg($this->_image,$imageFile,$compression);
} elseif ( $_imageFormat == IMAGETYPE_GIF ) {
imagegif($this->_image,$imageFile);
} elseif ( $_imageFormat == IMAGETYPE_PNG ) {
imagepng($this->_image,$imageFile);
}
if( $permissions != null) {
chmod($imageFile,$permissions);
}
}
public function getWidth() {
return imagesx($this->_image);
}
public function getHeight() {
return imagesy($this->_image);
}
public function resizeToHeight($height) {
$ratio = $height / $this->getHeight();
$width = $this->getWidth() $ratio;
$this->resize($width,$height);
}
public function resizeToWidth($width) {
$ratio = $width / $this->getWidth();
$height = $this->getheight() $ratio;
$this->resize($width,$height);
}
public function scale($scale) {
$width = $this->getWidth() $scale/100;
$height = $this->getheight() $scale/100;
$this->resize($width,$height);
}
private function resize($width, $height) {
$newImage = imagecreatetruecolor($width, $height);
imagecopyresampled($newImage, $this->_image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
$this->_image = $newImage;
}
}
>
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