小编N1g*_*ler的帖子

我有一个谷歌图表折线图,我想显示趋势线,但它没有显示.

数据从数据库中获取,javascript由PHP生成,但生成的javascript如下所示:

<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">

// Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {'packages':['corechart']});

// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);

// Callback that creates and populates a data table, 
// instantiates the pie chart, passes in the data and
// draws it.
function drawChart() {
    var dataS = new google.visualization.DataTable();
    dataS.addColumn('string', 'Dag');
    dataS.addColumn('number', 'Poäng');
    dataS.addRows([
        ['1', 32],
        ['2', 37],
        ['3', 37],
        ['4', 40],
        ['5', 31],
        ['6', 38], …