这篇文章主要介绍了关于php调用phantomjs给微信小程序分享，有着一定的参考价值，现在分享给大家，有需要的朋友可以参考一下
知识储备
-
*unix系统安装phantomjs,权限相关知识
-
基本JavaScript语法知识
-
php
exec函数调用REPLphantomjs -
phantomjs js截图文档 http://javascript.ruanyifeng….
代码(php 代码环境为yii2框架)
<?phpnamespace weapp\library\phantomjs;use weapp\library\BizException;class ScreenShot{ /** @var string 获取phantomjs 参数中 js文件的决定路径 */ private $js_path; /** @var bool|string 获取php 有777权限的临时文件目录 */ private $temp_dir; function __construct() { $dir = __DIR__; $this->js_path = "{$dir}/script.js"; /** @var bool|string 获取php 有777权限的临时文件目录 */ $this->temp_dir = \Yii::getAlias('@runtime'); } /** * 截图并上传 * @param string $url * @param string $filename * @return string * @throws BizException */ public function screenShotThenSaveToOss(string $url, string $filename = 'temp.jpg') { //输出图片的路径 $outputFilePath = "{$this->temp_dir}/$filename"; //执行的phantomjs命令 //phantomjs 可执行文件必须是 绝对路径 否则导致 exec 函数返回值127错误 $cmd = "\usr\local\bin\phantomjs {$this->js_path} '$url' '$outputFilePath'"; //捕捉不到phantomjs命令输出结果 exec($cmd, $output); //检查截图文件是否存在 $isShotImgaeExist = file_exists($outputFilePath); if (!$isShotImgaeExist) { throw new BizException(0, 'phantomjs截图失败', BizException::SELF_DEFINE); } //保存截图到oss $result = $this->postScreenShotImageToOss($outputFilePath); //删除临时文件夹的截图图片 unlink($outputFilePath); <strong>）本文来（源gaodai#ma#com搞@@代~&码*网2</strong><pre>搞代gaodaima码
return $result; } /** * 上传截图到阿里云直传oss * @param string $screenshot_path * @return string */ public function postScreenShotImageToOss(string $screenshot_path): string { $ossKey = 'raw_file_name'; $file = new \CURLFile($screenshot_path, 'image/jpeg', 'file'); $tokenArray = $this->getOssPolicyToken('fetch'); $url = $tokenArray->host; $postData = [ 'key' => "{$tokenArray->dir}/$ossKey", 'policy' => $tokenArray->policy, 'OSSAccessKeyId' => $tokenArray->accessid, 'success_action_status' => '200', 'signature' => $tokenArray->signature, 'callback' => $tokenArray->callback, 'file' => $file ]; $ch = curl_init(); //$data = array('name' => 'Foo', 'file' => '@/home/user/test.png'); curl_setopt($ch, CURLOPT_URL, $url); // Disable SSL verification curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_SAFE_UPLOAD, true); // required as of PHP 5.6.0 curl_setopt($ch, CURLOPT_POSTFIELDS, $postData); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_TIMEOUT, 20); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20); //curl_setopt($ch, CURLOPT_HTTPHEADER, ["Content-Type: $mime_type"]); $res = curl_exec($ch); $res = json_decode($res); curl_close($ch); if (empty($res) || $res->code != 0) { return ''; } else { return $res->data->url; } } /** * 调用管理后台阿里云oss token接口 * @param null $url * @return array */ public function getOssPolicyToken($url = null) { $url = \Yii::$app->params['oss_screen_shot_token_api']; $ch = curl_init(); // Disable SSL verification curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // Will return the response, if false it print the response curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // Set the url curl_setopt($ch, CURLOPT_URL, $url); // Execute $result = curl_exec($ch); // Closing curl_close($ch); $res = json_decode($result); if (empty($res) || $res->code != 0) { return []; } else { return $res->data; } }}
phantomjs javascript脚本内容
"use strict";var system = require('system');var webPage = require('webpage');var page = webPage.create();//设置phantomjs的浏览器user-agentpage.settings.userAgent = 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1';//获取php exec 函数的命令行参数if (system.args.length !== 3) { console.log(system.args); console.log('参数错误'); console.log('第2个参数为url地址 第3个参数为截图文件名称'); phantom.exit(1);}//命令行 截图网址参数var url = system.args[1];//图片输出路径var filePath = system.args[2];console.log('-------');console.log(url);console.log('-------');console.log(filePath);console.log('-------');//设置浏览器视口page.viewportSize = {width: 480, height: 960};//打开网址page.open(url, function start(status) { //1000ms之后开始截图 setTimeout(function () { //截图格式为jpg 80%的图片质量 page.render(filePath, {format: 'jpg', quality: '80'}); console.log('success'); //退出phantomjs 避免phantomjs导致内存泄露 phantom.exit(); }, 1000);});
php调用phantomjs目录结构
转载请注明原文链接：php调用phantomjs给微信小程序分享
