我有一個線型圖,並應用到線圖的daterangefilter兩種類型的谷歌圖表之間切換,這是我現在的代碼...如何添加按鈕在儀表板
function go(){
window.setTimeout(function(){
var p=0;
var table = document.getElementById('mytable');
var rows = table.getElementsByTagName('tr');
var i, j, cells;
var distance=[];
var date=[];
var entryid=[];
j=rows.length;
for (i = 1; i < j; i++) {
cells = rows[i].getElementsByTagName('td');
if (!cells.length) {
continue;
}
distance[i-1] = parseInt(cells[1].innerHTML);
date[i-1]=new Date(reverse(cells[2].innerHTML));
entryid[i-1]=cells[0].innerHTML;
}
var c=[];
for (var z=0;z<distance.length;z++){
c.push([date[z],distance[z]]);
}
/*document.getElementById('cvs').innerHTML=c;*/
function reverse(f){
var g=f.split("/");
var goodstr=g[1]+"/"+g[2]+"/"+g[0];
return goodstr;
}
google.charts.load('44', {
callback: drawBackgroundColor,
packages: ['corechart','controls']
});
function drawBackgroundColor() {
var data = new google.visualization.DataTable();
data.addColumn('date', 'Date');
data.addColumn('number', 'Distance');
data.addRows(c);
var options = {
hAxis: {
title: 'Date'
},
vAxis: {
title: 'Distance Ran'
},
backgroundColor: '#f1f8e9'
};
var control;
var chartWrapper;
var dash;
dash = new google.visualization.Dashboard(
document.getElementById('dashboard_div'));
var controlOptions = {
filterColumnIndex: 0
};
///////////////////////////
control = new google.visualization.ControlWrapper({
controlType: 'DateRangeFilter',
containerId: 'control_div',
options: controlOptions
});
chartWrapper = new google.visualization.ChartWrapper({
chartType:'LineChart',//'LineChart', //'LineChart',
containerId: 'cvs',
options: options
});
dash.bind([control], [chartWrapper]);
dash.draw(data);
}
}, 5 * 1000);
我想修改此代碼添加按鈕以在具有相同數據,線圖和條形圖的兩種圖表之間切換。可能是我需要添加chartType =「BarChart」另一個chartWrapper和使用一些if,else語句,但我似乎無法弄清楚。有人可以幫我做到這一點。提前致謝 :) 。
您可以用'chartWrapper.setChartType(類型) '切換圖表類型,然後重新繪製圖表以查看更改... – WhiteHat