/**
* 图片裁剪
*/
public function crop($subfix = '')
{
C('DEFAULT_AJAX_RETURN', 'json');
$imgUrl = I('post.imgUrl');
$image = file_read_remote($imgUrl);
if ($image) {
$param = array('width' => I('post.imgW', 0, 'ceil'), 'height' => I('post.imgH', 0, 'ceil'), 'y' => I('post.imgY1', 0, 'ceil'), 'x' => I('post.imgX1', 0, 'ceil'), 'w' => I('post.cropW', 0, 'ceil'), 'h' => I('post.cropH', 0, 'ceil'));
$imgPath = UPLOAD_PATH . date('Y/m/d/') . basename($imgUrl);
$newImage = file_subfix($imgPath, $subfix);
$res = image_crop($param, $image, false, $newImage);
if ($res) {
$response = array('status' => 1, 'info' => '裁剪成功', 'url' => file_full_path($newImage));
} else {
$response = array('status' => 0, 'info' => '图片裁剪失败');
}
} else {
$response = array('status' => 0, 'info' => '图片读取失败');
}
$this->ajaxReturn($response);
}
/**
* 远程图片上传到本地
*/
public function remoteImage($url = '')
{
if (!IS_POST) {
return false;
}
@set_time_limit(600);
$reExt = '(' . implode('|', C('FILE_UPLOAD_IMG_CONFIG.exts')) . ')';
$config = C('TMPL_PARSE_STRING');
//base64图片内容上传
if (substr($url, 0, 10) == 'data:image') {
if (!preg_match('/^data:image\\/' . $reExt . '/i', $url, $sExt)) {
$this->error('不支持的格式');
}
$sExt = $sExt[1];
$imgContent = base64_decode(substr($url, strpos($url, 'base64,') + 7));
//图片地址上传
} else {
preg_match("/\\.{$reExt}\$/i", $url, $sExt);
if (!$sExt) {
continue;
}
$sExt = $sExt[1];
//先验证链接地址是否正确
if (!file_exist_remote($url)) {
$this->error('无效的链接');
}
$imgContent = file_read_remote($url);
}
$filename = date('Y/m/d/') . uniqid() . '.' . strtolower($sExt);
file_write(UPLOAD_PATH . $filename, $imgContent);
$this->water($filename);
$this->success($config[UPLOAD_PATH] . $filename);
}
