imagecopyresized和imagecopyresampled都是拷贝部分图像并调整大小,但是这两个函数有一个很大的区别,就是imagecopyresized生成的图像不如imagecopyresampled清晰,但是imagecopyresized生成的速度要比imagecopyresampled快,图片要比imagecopyresampled小。
月度归档:2015 年六月
PHP实现下载文件
$fileName = "text.pdf"; $file = fopen ($fileName, "r" ); //输入文件标签 Header ("Content-type: application/octet-stream"); Header ("Accept-Ranges: bytes"); Header ("Accept-Length: " . filesize ($fileName)); Header ("Content-Disposition: attachment; filename=" . time() . ".pdf"); //输出文件内容 //读取文件内容并直接输出到浏览器 echo fread ($file, filesize ($fileName)); fclose ($file);
ubuntu运行locale命令报错
报错如下:
root@AY1211110910427107334:~# locale locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_CTYPE=zh_CN.UTF-8 LC_NUMERIC="en_US.UTF-8" LC_TIME="en_US.UTF-8" LC_COLLATE="en_US.UTF-8" LC_MONETARY="en_US.UTF-8" LC_MESSAGES="en_US.UTF-8" LC_PAPER="en_US.UTF-8" LC_NAME="en_US.UTF-8" LC_ADDRESS="en_US.UTF-8" LC_TELEPHONE="en_US.UTF-8" LC_MEASUREMENT="en_US.UTF-8" LC_IDENTIFICATION="en_US.UTF-8" LC_ALL=
解决方案:
sudo locale-gen zh_CN.UTF-8 sudo dpkg-reconfigure locales
如果上面命令还是提示失败,还一下语言。比如:
sudo locale-gen en_US.UTF-8 sudo dpkg-reconfigure locales