aca tienes un ejemplo como tienes que ponerlo te recomiendo hacer un
parseFloat a los datos que son number y poner unas comillas ""
cuando el dato sea un string.
for(var m=0; m < tama; m++){
data.addRows([
[""+fecha[m], parseFloat(datos1[m]), parseFloat(adatos1[m])],
]);
}
El domingo, 12 de agosto de 2018, 22:37:21 (UTC-5), schuiky escribió:
>
> Buenas noches, estoy tratando de mostrar un grafico de barras, con el
> siguiente codigo
>
> <html>
> <head>
> <script type="text/javascript" src="
> https://www.gstatic.com/charts/loader.js";></script>
> <script type="text/javascript" src="
> https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
> "></script>
> <script type="text/javascript">
> google.charts.load('current', {'packages':['corechart']});
> google.charts.setOnLoadCallback(drawChart);
> function drawChart() {
> var jsonData = $.ajax({
> url: "prueba.php",
> dataType: "json"
> }).responseText;
> var data = new google.visualization.DataTable();
> data.addColumn('string', 'sede');
> data.addColumn('number', 'sema');
> data.addColumn('number', 'tfre');
> data.addColumn('number', 'tapli');
> for (var i = 0; i < jsonData.length; i++) {
> var sede = jsonData[i].['sede'];
> var sema = jsonData[i].['sema'];
> var tfre = jsonData[i].['tfre'];
> var tapli = jsonData[i].['tapli'];
> data.addRow([sede, sema, tfre, tapli]); <!-- Codificamos las
> tres variables en una fila-->
> };
> var chart = new
> google.visualization.ColumnChart(document.getElementById('chart_div'));
> chart.draw(data, {width: 400, height: 240});
> }
> </script>
> </head>
> <body>
> <div id="chart_div"></div>
> </body>
> </html>
>
> el archivo prueba.php genera este json
>
> [{"sede":"AREQUIPA","sema":"1","tfre":"0","tapli":"0"},{"sede":"CAJAMARCA","sema":"1","tfre":"0","tapli":"0"},{"sede":"CALLAO","sema":"1","tfre":"0","tapli":"0"},{"sede":"CHICLAYO","sema":"1","tfre":"0","tapli":"0"},{"sede":"CORONEL
> PORTILLO-PUCALLPA","sema":"1","tfre":"0","tapli":"0"}]
>
>
> Alguien que me ayude con esto por favor
>
>
>
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