我试图从动态车把网页生成一个pdf文件,该网页将显示数据库中的数据.一旦我在本地机器上运行,我想将代码移到弹性beanstalk.代码似乎运行,最初调用spawn,但是,调用phantomjs似乎没有启动传递给它的脚本.为了确认,我在文件的最开头添加了一个console.log语句,而不是打印输出.更不用说脚本文件中的其他print语句了.代码如下:
code that performs the spawn: var childArgs = [ //'--debug=true',path.join(__dirname,'../phantom/capture.js'),id,filename ]; let child = spawn(phantomjs.path,childArgs,{detached: false}); console.log('set up stderr.....'); child.stderr.on('data',(data) => { console.log('ps stderr: ${data}'); }); console.log('set up stdout.....'); child.stdout.on('data',(data) => { console.log('ps stdout: ${data}'); }); console.log('set up close.....'); child.on('close',(code) => { console.log('this is a test 2.....'); console.log(code); if (code !== 0){ let error = new Error('An error occurred while creating the current report.'); error.status = 500; reject(error); } resolve(fname); return; }); capture.js: console.log('we are inside....'); let os = require('os'); var system = require('system'); console.log('we are inside.... 1'); var page = require('webpage').create(); let phantom = require('phantomjs-prebuilt'); console.log('we are inside....2'); var args = system.args; console.log('we are inside....3'); if (args.length === 1) { phantom.exit(0); } else { page.viewportSize = { width: 2000,height: 800 }; //page.paperSize = { format: 'Letter',orientation: 'landscape',margin: '1cm' }; page.paperSize = { width: '1280px',height: '800px',margin: '0px' }; page.settings.localToRemoteUrlAccessEnabled = true; page.settings.loadImages = true; page.settings.javascriptEnabled = true; let done = false; //"http://example.com/order/" + args[1] + '?token=' + args[2] page.open("http://example.com/order/" + args[1],function start(status) { if (status === "success"){ page.render(os.tmpdir() + '/' + args[2],{ format: 'pdf' }); } done = true; }); var intervalId = setInterval(function(){ if (done){ phantom.exit(); } },100); }
解决方法
问题可能是由于安全原因,PhantomJS无法使用带点的路径运行capture.js.例如,尝试从当前目录运行capture.js.