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我想从动态句柄网页生成一个PDF文件,它将显示数据库中的数据。一旦我在本地机器上完成这个工作,我想将代码移动到弹性beanstalk中。代码似乎运行,最初使调用产卵,但是,调用phantomjs似乎并没有启动传递给它的脚本。为了确认,我在文件的开头添加了一个console.log语句,并且从不打印。更不用说脚本文件中的其他打印语句了。代码如下:phantomjs调用node.js使用spawn似乎并不执行脚本
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);
}
我在这个问题可能出现的地方处于亏损状态。 capture.js的第一行似乎没有被调用。 1)我错过了什么问题? 2)我该如何解决它?