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Ich erhalte diesen unteren Fehler, wenn ich versuche, ein Liniendiagramm zu zeichnen. ich verstehe nicht, wo ich falsch Reference tue: CAE nichtgooglecharts error- Ungültiger Zeilentyp für Zeile 0
[ "16. Januar", CAE, 18] definiert ist,
Nationa ... ers.jsp (Zeile 11, Spalte 36) Fehler : Ungültige Zeilentyp für Zeile 0
Here is my code
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<!DOCTYPE html>
<html lang="en">
<head>
<script type="text/javascript">
var theData = [ // Start of JavaScript data object
<%
Class.forName("oracle.jdbc.OracleDriver").newInstance();
String connectionURL = "someurl";
Connection connection = null;
connection = DriverManager.getConnection(connectionURL);
PreparedStatement ps = connection.prepareStatement("SELECT TRIM(TO_CHAR(order_date, 'Month')) ||' '|| TO_CHAR(order_date, 'yy') month, order_channel, total FROM (SELECT order_date, order_channel, COUNT(*) total FROM order_channel WHERE order_date >= TO_DATE('01-Jan-2016', 'dd-Mon-yyyy') GROUP BY order_date, order_channel) ORDER BY TO_DATE(order_date), order_channel");
ResultSet rs = ps.executeQuery();
while (rs.next()) {
%>
[ "<%= rs.getString(1)%>",<%= rs.getString(2)%>,<%= rs.getString(3)%>],
<%
};
// End of JavaScript object holding the data
%>
];
</script>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:['corechart', 'Bar']});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([['Month', 'OrderChannel', 'Total']].concat(theData), false);
var options = {
title: 'National Monthly Orders',
hAxis: {
title: 'Month of Orderdate'
},
vAxis: {
title: 'Distinct count'
},
legend:{position:'none'}
};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div" style="width: 1000px; height: 350px;"></div>
</body>
</html>