1
我有以下扩展功能,当数据出现在函数本身内时,它可以很好地工作。但是,每当我尝试使用循环从Qlikview获取数据时,它都会给我一个空白输出。任何人都可以帮助我吗?在下面的代码中,我已经注释了在函数本身中给出数据的部分。请帮忙。如何在使用扩展时从Qlikview获取数据?
Qva.LoadScript("http://www.google.com/jsapi?callback=loadGoogleCoreChart", function() {
});
function loadGoogleCoreChart() {
google.load('visualization', '1', {
packages: ['corechart'],
callback: googleCoreChartLoaded
});
}
function googleCoreChartLoaded() {
Qva.AddExtension('QlikView/Examples/GooglePieChart', function() {
//Declaring a two dimensional array (an array of arrays)
var row = new Array(this.Data.Rows.length + 1);
for (var i = 0; i <= this.Data.Rows.length; i++) {
row[i] = new Array(2);
}
//Getting the data from QlikView-- this part is not working!
for (var j = 1; j <= this.Data.Rows.length; j++) {
row[j][0] = this.Data.Rows[j - 1][0].text;
var temp = this.Data.Rows[j - 1][1].text;
row[j][1] = Number(temp);
}
var data = google.visualization.arrayToDataTable(row);
alert("hello");
/*
var data = google.visualization.arrayToDataTable([
['Task', 'Hours per Day'],
['Work', 11],
['Eat', 2],
['Commute', 2],
['Watch TV', 2],
['Sleep', 7]
]);
*/
new google.visualization.PieChart(this.Element).draw(data, { chartArea: { left: 20, top: 20, width: "100%", height: "100%"} });
});
}
非常感谢。这绝对有助于:) –