Javascript 无法在折线图中动态显示数据
我正在使用google api制作折线图。在jsp页面中,我是这样实现的:但无法获取值,我的查询很好,但无法动态运行,请实际遵循以下链接:Javascript 无法在折线图中动态显示数据,javascript,jquery,Javascript,Jquery,我正在使用google api制作折线图。在jsp页面中,我是这样实现的:但无法获取值,我的查询很好,但无法动态运行,请实际遵循以下链接: load(“可视化”、“1”、{packages:[“corechart”]}); setOnLoadCallback(drawChart); 函数绘图图(){ var data=google.visualization.arrayToDataTable([ ['regDate','Registration'], ['', ] ]); 变量选项={ 标题
load(“可视化”、“1”、{packages:[“corechart”]});
setOnLoadCallback(drawChart);
函数绘图图(){
var data=google.visualization.arrayToDataTable([
['regDate','Registration'],
['', ]
]);
变量选项={
标题:“每天的注册数量”
};
var chart=new google.visualization.LineChart(document.getElementById('chart_div'));
图表绘制(数据、选项);
}
欢迎任何意见。试试这个
<script type="text/javascript">
var data = "";
<% while(rs.next()){ %>
data += ""+['<%= rs.getString(1)%>', <%= rs.getString(2)%>]+","
<% } %>
</script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['regDate', 'Registration'],
data
]);
var options = {
title: 'No of Registration per Day'
};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
var数据=”;
数据+=“”+[“”,]+',”
load(“可视化”、“1”、{packages:[“corechart”]});
setOnLoadCallback(drawChart);
函数绘图图(){
var data=google.visualization.arrayToDataTable([
['regDate','Registration'],
数据
]);
变量选项={
标题:“每天的注册数量”
};
var chart=new google.visualization.LineChart(document.getElementById('chart_div'));
图表绘制(数据、选项);
}
<script type="text/javascript">
var data = "";
<% while(rs.next()){ %>
data += ""+['<%= rs.getString(1)%>', <%= rs.getString(2)%>]+","
<% } %>
</script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['regDate', 'Registration'],
data
]);
var options = {
title: 'No of Registration per Day'
};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>