amcharts是一款很强大的统计图插件,包括饼状图,3D统计图,折线图,曲线图,区域填充图,仪表盘和多色漏斗图等。
amcharts使用教程
<div id="chartdiv" style="width: 600px; height: 400px;"></div>
<script src="amcharts/amcharts.js" type="text/javascript"></script>
<script src="amcharts/serial.js" type="text/javascript"></script>
var chart;
var chartData = [
{
"country": "USA",
"visits": 3025,
"color": "#FF0F00"
},
{
"country": "China",
"visits": 1882,
"color": "#FF6600"
},
{
"country": "Japan",
"visits": 1809,
"color": "#FF9E01"
},
{
"country": "Germany",
"visits": 1322,
"color": "#FCD202"
},
{
"country": "UK",
"visits": 1122,
"color": "#F8FF01"
},
{
"country": "France",
"visits": 1114,
"color": "#B0DE09"
},
{
"country": "India",
"visits": 984,
"color": "#04D215"
},
{
"country": "Spain",
"visits": 711,
"color": "#0D8ECF"
},
{
"country": "Netherlands",
"visits": 665,
"color": "#0D52D1"
},
{
"country": "Russia",
"visits": 580,
"color": "#2A0CD0"
},
{
"country": "South Korea",
"visits": 443,
"color": "#8A0CCF"
},
{
"country": "Canada",
"visits": 441,
"color": "#CD0D74"
}
];
AmCharts.ready(function() {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.dataProvider = chartData;
chart.categoryField = "country";
chart.startDuration = 1;
// AXES
// category
var categoryAxis = chart.categoryAxis;
categoryAxis.labelRotation = 45; // this line makes category values to be rotated
categoryAxis.gridAlpha = 0;
categoryAxis.fillAlpha = 1;
categoryAxis.fillColor = "#FAFAFA";
categoryAxis.gridPosition = "start";
// value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.dashLength = 5;
valueAxis.title = "Visitors from country";
valueAxis.axisAlpha = 0;
chart.addValueAxis(valueAxis);
// GRAPH
var graph = new AmCharts.AmGraph();
graph.valueField = "visits";
graph.colorField = "color";
graph.balloonText = "<b>[[category]]: [[value]]</b>";
graph.type = "column";
graph.lineAlpha = 0;
graph.fillAlphas = 1;
chart.addGraph(graph);
// CURSOR
var chartCursor = new AmCharts.ChartCursor();
chartCursor.cursorAlpha = 0;
chartCursor.zoomable = false;
chartCursor.categoryBalloonEnabled = false;
chart.addChartCursor(chartCursor);
chart.creditsPosition = "top-right";
// WRITE
chart.write("chartdiv");
});
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