public void datableGoodAmountByLastMonths(HttpServletResponse response) {
    // 获取数据的list集合。
    List<HashMap> result = this.goodOrderService.getGoodAmountByShopUidLastMonths(InfoEL.getContextUid(), 7);

    // 转成json
    Map<String, Object> map = new HashMap<String, Object>();
    map.put("statusCode", 200);
    map.put("result", value);
    String jsonText = JSON.toJSONString(map);

    // 写入到response
    PrintWriter writer = null;
    try {
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);

        response.setContentType(contentType);
        writer = response.getWriter();
        writer.write(jsonText);
        writer.flush();
    } catch (IOException e) {
        throw new OrderException(e.getMessage());
    } finally {
        if (writer != null)
            writer.close();
    }
}

// linechart
var areaChartOptions = {
    // 轴线的颜色
    scaleLineColor : "rgba(60,141,188,0.8)",
    scaleShowLabels : true,// y轴上刻度的数值显示
// 显示轴线、以及刻度，默认为true
    showScale : true,
    // 在图标上显示网状表格。默认为false
    scaleShowGridLines : false,
    // 线条是否显示弧度，默认为true
    bezierCurve : false,
    // 显示数据线上的坐标点，默认为true，我认为显示出来比较好，否则鼠标找点很困难。
    pointDot : true,
    // 响应式
    responsive : true,
    
    // String - Colour of the grid lines
    scaleGridLineColor : "rgba(0,0,0,.05)",
    // Number - Width of the grid lines
    scaleGridLineWidth : 1,
    // Boolean - Whether to show horizontal lines
    // (except X axis)
    scaleShowHorizontalLines : true,
    // Boolean - Whether to show vertical lines (except
    // Y axis)
    scaleShowVerticalLines : true,
    // Number - Tension of the bezier curve between
    // points
    bezierCurveTension : 0.3,
    // Number - Radius of each point dot in pixels
    pointDotRadius : 4,
    // Number - Pixel width of point dot stroke
    pointDotStrokeWidth : 1,
    // Number - amount extra to add to the radius to
    // cater for hit detection outside the drawn point
    pointHitDetectionRadius : 20,
    // Boolean - Whether to show a stroke for datasets
    datasetStroke : true,
    // Number - Pixel width of dataset stroke
    datasetStrokeWidth : 2,
    // Boolean - Whether to fill the dataset with a
    // color
    datasetFill : true,
    // String - A legend template
    legendTemplate : "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i=0; i<datasets.length; i++){%><li><span style=\"background-color:<%=datasets[i].lineColor%>\"></span><%if(datasets[i].label){%><%=datasets[i].label%><%}%></li><%}%></ul>",
    // Boolean - whether to maintain the starting aspect
    // ratio or not when responsive, if set to false,
    // will take up entire container
    maintainAspectRatio : true
};

$(function() {

    $.ajax({
        type : 'POST',
        url : $("#salesChart").attr("href"),
        dataType : "json",
        cache : false,
        success : function(json) {
            // 判断获取的数据状态是否为200正常响应
            if (json[YUNM.keys.statusCode] == YUNM.statusCode.ok) {

                // 整理数据，chartjs需要数组的赋值，比起Morris(只需要指明x、y坐标即可)图标来说，这一点不方便
                var labels = [];
                var data = [];
                var data1 = [];
                for (var i = 0; i < json.result.length; i++) {
                    data.push(json.result[i].good_amount);// 第一组数据交易额
                    data1.push(json.result[i].good_count);// 第二组数据
                    labels.push(json.result[i].all_day);// 组装x轴上显示得label
                }

                // LINE CHART，需要获取canvas的dom节点
                var areaChartCanvas = $("#salesChart").get(0).getContext("2d");
                var areaChart = new Chart(areaChartCanvas);

                // 画线
                areaChart.Line({
                    labels : labels,// x轴上显示得label
                    datasets : [ {
                        label : "销售额",
                        // 线条颜色
                        fillColor : "rgba(60,141,188,0.9)",
                        strokeColor : "rgba(60,141,188,0.8)",
                        pointColor : "#3b8bba",
                        pointStrokeColor : "rgba(60,141,188,1)",
                        pointHighlightFill : "#fff",
                        pointHighlightStroke : "rgba(60,141,188,1)",
                        // 第一条线的数据
                        data : data
                    }, {
                        label : "销量",
                        fillColor : "rgba(210, 214, 222, 1)",
                        strokeColor : "rgba(210, 214, 222, 1)",
                        pointColor : "rgba(210, 214, 222, 1)",
                        pointStrokeColor : "#c1c7d1",
                        pointHighlightFill : "#fff",
                        pointHighlightStroke : "rgba(220,220,220,1)",
                        data : data1
                    }, ]
                }, areaChartOptions);// 配置项
            }
        }
    });

});