客戶端：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>柱狀圖例子</title>
<link rel="stylesheet" href="${pageContext.request.contextPath }/charts/style.css" type="text/css">
<script src="${pageContext.request.contextPath }/charts/amcharts.js" type="text/javascript"></script>
<script src="${pageContext.request.contextPath }/js/jquery.min.js" type="text/javascript"></script>
<script src="${pageContext.request.contextPath }/charts/serial.js" type="text/javascript"></script>
<script>
var chartData = [];
var chart;
var legend;
AmCharts.ready(function () {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.dataProvider = chartData;
chart.categoryField = "product_no";//橫座標名字
chart.startDuration = 1;
// AXES
// category
var categoryAxis = chart.categoryAxis;
categoryAxis.labelRotation = 90;
categoryAxis.gridPosition = "start";
// value
// in case you don't want to change default settings of value axis,
// you don't need to create it, as one value axis is created automatically.
// GRAPH
var graph = new AmCharts.AmGraph();
graph.valueField = "money";//縱座標名字
graph.balloonText = "[[product_no]]: <b>[[value]]</b>";//氣球
graph.type = "column";//表示是一個柱狀圖
graph.lineAlpha = 0;
graph.fillAlphas = 0.8;
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";
chart.write("chartdiv");
});
function loadStringData() {//發送ajax數據動態獲取數據
$.ajax({
type: "POST",
url: "/jk/run/productsale/productsale.action",
cache: false,
success: function(msg){
chart.dataProvider = msg;
chart.validateNow();
chart.validateData(); //刷新柱狀圖
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
}
});
}
setTimeout("loadStringData()", 100);
</script>
</head>
<body>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
</body>
</html>服務器端：
//貨物銷售情況柱狀圖
@ResponseBody
@RequestMapping(value="/run/productsale/productsale.action", method=RequestMethod.POST, produces="application/json;charset=UTF-8")
public String productsale(){
String sql = "SELECT product_no,SUM(amount) AS money FROM contract_product_c GROUP BY product_no ORDER BY money DESC LIMIT 20";
List<Map<String, Object>> dataList = super.getJdbcTemplate().queryForList(sql);
StringBuffer sb = new StringBuffer("[");
for(Map map: dataList) {
sb.append(",").append("{\"product_no\":").append("\""+map.get("product_no")+"\"");
sb.append(",").append("\"money\":").append("\""+map.get("money")+"\"").append("}");
}
sb.append("]");
return sb.toString().replaceFirst(",", "");
}運行情況：
