Google甘特图显示错误的一年 [英] Google gantt chart shows wrong year
问题描述
我已经创建了4个任务,并且图表加载正常,但它显示错误的日期例如2016年1月开发产品和发布部分。其实我没有在我的数据中使用这个日期。这里有什么问题?
可以你看看小提琴,让我知道这个问题。
HTML:
< script type =text / javascriptsrc =https://www.gstatic.com/charts/loader.js>< / script>
< div id =chart_div>< / div>
Java script:
google.charts.load('current',{'packages':['gantt']});
google.charts.setOnLoadCallback(drawChart);
函数daysToMilliseconds(天){
返回天数* 24 * 60 * 60 * 1000;
function drawChart(){
var data = new google.visualization.DataTable();
data.addColumn('string','Task ID');
data.addColumn('string','任务名称');
data.addColumn('date','开始日期');
data.addColumn('date','结束日期');
data.addColumn('number','Duration');
data.addColumn('数字','完成百分比');
data.addColumn('string','Dependencies');
data.addRows([
['Design','设计与分析',
新日期(2015,8,1),新日期(2015,8,15 ),null,25,null],
['Development','开发产品',
new新日期(2015,10,31) 20,null],
['Testing','产品测试',
新日期(2015,11.01),新日期(2015,11,30),null,10,null],
['Release','Release the product',
new Date(2015,12,01),new Date(2015,12,20),null,0,null],
]);
var options = {
height:275
};
var chart = new google.visualization.Gantt(document.getElementById('chart_div'));
chart.draw(data,options);
}
帮助并回复赞赏!
所以2015年12月1日将是 - > new Date(2015,11,01)
代替 12
将日期推到2016年1月1日
请参阅以下片段...
Date Test
console.log(new Date(2015,11,01 )); console.log(new Date(2015,12,01));
图表测试
如果范围应该是8 - 12月,那么每个月减1# b
$ b
google.charts.load('current',{'packages':['gantt']}); google.charts.setOnLoadCallback(drawChart);函数daysToMilliseconds(days){return days * 24 * 60 * 60 * 1000; } function drawChart(){var data = new google.visualization.DataTable(); data.addColumn('string','Task ID'); data.addColumn('string','任务名称'); data.addColumn('date','开始日期'); data.addColumn('date','结束日期'); data.addColumn('number','Duration'); data.addColumn('数字','完成百分比'); data.addColumn('string','Dependencies'); data.addRows([['Design','Design and analysis',new Date(2015,7,1),new Date(2015,7,15),null,25,null],['Development','Develop产品',新日期(2015,7,16),新日期(2015,9,31),null,20,null],['测试','产品测试',新日期(2015,10,01) ,新日期(2015年11月20日),新日期(2015年11月20日),空日期(2015年10月30日),null,10,null],['Release','发布产品' ,0,null],]); var options = {height:275}; var chart = new google.visualization.Gantt(document.getElementById('chart_div')); chart.draw(数据,选项); }
< script type =text / javascriptsrc =https://www.gstatic.com/charts/loader.js>< / script>< div id =chart_div>< / div>
I have started using gantt chart which is recently launched by google which seems great for tasks tracking via chart.
I have created 4 tasks and chart loads fine but it shows wrong date for e.g. Jan 2016 in Develop the product and release section. Actually i haven't used this date in my data at all. What is the issue over here?
Can you take a look fiddle and let me know the issue please.
HTML:
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<div id="chart_div"></div>
Java script:
google.charts.load('current', {'packages':['gantt']});
google.charts.setOnLoadCallback(drawChart);
function daysToMilliseconds(days) {
return days * 24 * 60 * 60 * 1000;
}
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Task ID');
data.addColumn('string', 'Task Name');
data.addColumn('date', 'Start Date');
data.addColumn('date', 'End Date');
data.addColumn('number', 'Duration');
data.addColumn('number', 'Percent Complete');
data.addColumn('string', 'Dependencies');
data.addRows([
['Design', 'Design and analysis',
new Date(2015, 8, 1), new Date(2015, 8, 15), null, 25, null],
['Development', 'Develop the product',
new Date(2015, 8, 16), new Date(2015, 10, 31), null, 20, null],
['Testing', 'Product testing',
new Date(2015, 11, 01), new Date(2015, 11, 30), null, 10, null],
['Release', 'Release the product',
new Date(2015, 12, 01), new Date(2015, 12, 20), null, 0, null],
]);
var options = {
height: 275
};
var chart = new google.visualization.Gantt(document.getElementById('chart_div'));
chart.draw(data, options);
}
Helps and reply appreciated!
month numbers are zero-based in JavaScript
so Dec, 1 2015 would be --> new Date(2015, 11, 01)
instead the 12
pushes the date to Jan 1, 2016
see following snippets...
Date Test
console.log(new Date(2015, 11, 01));
console.log(new Date(2015, 12, 01));
Chart Test
if the range should be Aug - Dec, then reduce each month # by 1
google.charts.load('current', {'packages':['gantt']});
google.charts.setOnLoadCallback(drawChart);
function daysToMilliseconds(days) {
return days * 24 * 60 * 60 * 1000;
}
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Task ID');
data.addColumn('string', 'Task Name');
data.addColumn('date', 'Start Date');
data.addColumn('date', 'End Date');
data.addColumn('number', 'Duration');
data.addColumn('number', 'Percent Complete');
data.addColumn('string', 'Dependencies');
data.addRows([
['Design', 'Design and analysis',
new Date(2015, 7, 1), new Date(2015, 7, 15), null, 25, null],
['Development', 'Develop the product',
new Date(2015, 7, 16), new Date(2015, 9, 31), null, 20, null],
['Testing', 'Product testing',
new Date(2015, 10, 01), new Date(2015, 10, 30), null, 10, null],
['Release', 'Release the product',
new Date(2015, 11, 01), new Date(2015, 11, 20), null, 0, null],
]);
var options = {
height: 275
};
var chart = new google.visualization.Gantt(document.getElementById('chart_div'));
chart.draw(data, options);
}
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<div id="chart_div"></div>
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