我正在尝试将谷歌图表生成的图表保存为png图像.该代码适用于除GeoChart之外的所有图表.图像有时会出现,但通常只是空白.这是代码.
render.js
var system = require('system');
var page = require('webpage').create();
page.open('chart.html, function () {
page.paperSize = { format: 'A4', orientation: 'landscape'};
page.render(system.args[1]);
phantom.exit();
});
chart.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Chart Generation</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script type='text/javascript' src='https://www.google.com/jsapi'></script>
<script type='text/javascript'>
google.load('visualization', '1', {'packages': ['geochart']});
google.setOnLoadCallback(drawRegionsMap);
function drawRegionsMap() {
var data = google.visualization.arrayToDataTable([
['Country', 'Popularity'],
['Germany', 200],
['United States', 300],
['Brazil', 400],
['Canada', 500],
['France', 600],
['RU', 700]
]);
var options = {
width: …我有一个脚本来启动和停止我的node.js服务器.当我停止脚本时,永久进程被终止,但节点进程没有终止.
我发布时有没有办法停止forver和node进程
Kill $FOREVER_PID
这是脚本 -
#!/bin/bash
path="/Users/aayush/Desktop/node/rest-api"
action="forever errorLog_express.js "
logFile="$path/system.log"
pidFile="$path/pidFile.pid"
#messages
usage="Usage : node-script.sh start|stop"
panic="Panic! nothing to do, exiting"
unknown="Unrecognized parameter"
start="[starting node-forever]"
end="[stopping node-forever]"
notRunning="Process node-forever not running"
alreadyRunning="Process node-forever already running"
if [ -z $1 ]
then
echo $panic
echo $usage
exit 0;
fi
if [ $1 = "start" ]
then
# starting process
dummy="OK"
if [ -f $pidFile ];
then
exit 0
else
cd $path
echo "cd $path"
echo $start
echo $start >> …