修改flag样式

调试运行
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>图形展示</title>
</head>
<body>
 
<div class="detail-section">
    <div id="canvas">
 
    </div>
</div>
 
<script src="http://g.tbcdn.cn/bui/acharts/1.0.32/acharts-min.js"></script>
<!-- https://g.alicdn.com/bui/acharts/1.0.29/acharts-min.js -->
 
 
<script type="text/javascript">
 
    var chart = new AChart({
        theme : AChart.Theme.SmoothBase,
        id : 'canvas', //render改成 id
        width : 950,
        height : 500,
        plotCfg : {
            margin : [50,50,80] //画板的边距
        },
        xAxis : {
            categories : ['一月','二月','三月','四月','五月','六月','七月','八月','九月','十月','十一月','十二月']
        },
        tooltip : {
            valueSuffix : '°C'
        },
        seriesOptions: {
            flagCfg: {
                flags:{
                    flag:{
                        distance: -15,              //上下偏移的距离
                        line: {                     //线的配置
                            stroke: '#00cccc',
                            'stroke-width': 1
                        },
                        shapeType: 'circle',        //可选circle，rect，image三种，默认rect
                        shapeCfg: {                 //shape的配置项
                            stroke: '#00cccc',
                            r: 12,
                            width: 22,
                            height: 22
                        },
                        title: 'B',                 //显示的title
                        titleCfg: {                 //title配置项
 
                            rotate : 90,
                            'font-size':13,
                            'font-weight' : 'bold'
                        },
                        text: '这是一个flag',         //tooltip显示
 
                    }
                },
                duration : 1000,                //动画时间
                animate: true,                  //是否动画
            }
        },
        series : [{
            id: 's1',
            type: 'line',
            name: 'Tokyo',
            data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
        }, {
            type: 'line',
            name: 'Beijing',
            data: [13.9, 14.2, 15.7, 18.5, 21.9, 25.2, 27.0, 26.6, 24.2, 20.3, 16.6, 14.8]
        },{
            name: 'flag',
            data:[{
                x : '一月'
            },{
                x : '一月'
            },{
                x : '十一月',
                flag:{                  //可以配置在data内部
                    title:''  ,
                    distance: 0,
                    shapeType: 'image',
                    shapeCfg: {
                        width: 16,
                        height: 20,
                        src: 'https://i.alipayobjects.com/i/ecmng/png/201408/3Ds9p7HMph_src.png'
                    }
                }
            },{
                x : '十二月'
            }],
            type: 'flag',
            onSeries: 's1' //定义flag坐落的series
        }]
    });
 
    chart.render();
</script>
 
</body>
</html>