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107 lines
3.9 KiB
107 lines
3.9 KiB
6 years ago
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<?php
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/*
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name：图片压缩类
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anthor：xiaoz.me
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QQ:337003006
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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class Compress extends CI_Controller{
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//构造函数
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public function __construct(){
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parent::__construct();
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//设置超时时间
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ini_set('max_execution_time','0');
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}
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//压缩单张图片,需要传入图片ID
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public function img($id){
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$t1 = microtime(true);
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//通过图片ID查询出图片基本信息
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$this->load->model('query','',TRUE);
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$img = $this->query->img($id);
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//如果图片没有压缩过,则调用压缩接口
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if($img->compression == 0){
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//获取图片完整路径
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$fullpath = FCPATH.$img->path;
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$this->tinypng($fullpath);
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//更新数据库
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$this->load->model('update','',TRUE);
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$this->update->compress($id);
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$t2 = microtime(true);
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//计算执行时间
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$used_time = round($t2 - $t1).'s';
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$info = array(
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"code" => 200,
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"used_time" => $used_time,
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"msg" => 'compressing.'
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);
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$info = json_encode($info);
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echo $info;
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}
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//图片已经压缩过情况
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else{
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$info = array(
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"code" => 0,
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"msg" => 'error：The image has been compressed！'
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);
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$info = json_encode($info);
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echo $info;
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}
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}
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//请求tinypng压缩接口,传入图片完整路径
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protected function tinypng($path){
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//tinypng API地址
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$api_url = "https://api.tinify.com/shrink";
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$data = file_get_contents($path);
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//$post_data = array ("username" => "bob","key" => "12345");
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//$ch = curl_init();
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$ch = curl_init();
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$user = "api";
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$pass = "F8rNr5lh25WYcOECQvAqvcilBMAkhtIM";
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curl_setopt($ch, CURLOPT_URL, $api_url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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//curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
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curl_setopt($ch, CURLOPT_USERPWD, "{$user}:{$pass}");
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// post数据
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curl_setopt($ch, CURLOPT_POST, 1);
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// post的变量
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curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
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//https
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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$output = curl_exec($ch);
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curl_close($ch);
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//打印获得的数据
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$data = json_decode($output);
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//获取图片压缩后的URL
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$url = $data->output->url;
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//保存图片
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$this->save($url,$path);
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}
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//传递图片URL，并保存文件
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protected function save($url,$path){
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//获取图片数据并保存
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$curl = curl_init($url);
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curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36");
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curl_setopt($curl, CURLOPT_FAILONERROR, true);
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
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#设置超时时间，最小为1s（可选）
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#curl_setopt($curl , CURLOPT_TIMEOUT, 1);
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$filedata = curl_exec($curl);
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curl_close($curl);
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//将图片数据覆盖源文件
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file_put_contents($path,$filedata);
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}
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}
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?>
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