Amcharts插件实现柱状图+折线图+单个主题

- 日理万妓 2022-10-01 15:59 259阅读 0赞

[2019独角兽企业重金招聘Python工程师标准>>> ][2019_Python_] ![hot3.png][]

1.需要引用封装好的amcharts.js文件和css样式表；

2.在页面上创建一个div容器存放折线图；

3.引用一个自定义主题js

注意：

在页面的head部分我们需要添加amCharts JavaScript库文件的引用。由于V3 amCharts库被拆分成了几个文件，为了节省几个kb空间—你需要添加amchart.js主文件，并根据你的需求来决定添加一个或者多个图表文件。柱形图属于序列图的一种，因此我们包含这两个js文件：

添加顺序很重要，amcharts.js应该放在最前面。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
    <html>
    
        <head>
            <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
            <title>amCharts examples</title>
            <link rel="stylesheet" href="style.css" type="text/css">
            <script src="../amcharts/amcharts.js" type="text/javascript"></script>
            <script src="../amcharts/serial.js" type="text/javascript"></script>
            <script src="../amcharts/themes/dark.js" type="text/javascript"></script>//引入主题js
    
            <script type="text/javascript">
                 AmCharts.makeChart("chartdiv", {
                    type: "serial",     
                    theme: "dark",   //主题
                    dataProvider: [{
                        "year": 2018,
                            "income": 23.5,
                            "expenses": 18.1
                    }, {
                        "year": 2017,
                            "income": 26.2,
                            "expenses": 22.8
                    }, {
                        "year": 2016,
                            "income": 30.1,
                            "expenses": 23.9
                    }, {
                        "year": 2015,
                            "income": 29.5,
                            "expenses": 25.1
                    }, {
                        "year": 2014,
                            "income": 24.6,
                            "expenses": 25
                    }],
                    categoryField: "year",   // 指定X轴由年字段决定
                    startDuration: 1,          //填充后的柱状图动态渲染时间，时间越长动画效果越慢
                    rotate: true,

参数rotate解释：

rotate:true

![133404\_ryCz\_3544533.png][133404_ryCz_3544533.png]

rotate:false

![133429\_Nsuf\_3544533.png][133429_Nsuf_3544533.png]

//  图表线（相当于X轴）
    
                    categoryAxis: {
                        gridPosition: "start"
                    },
                    valueAxes: [{
                        position: "top",
                        title: "空气影响变化",   //统计表标题
                        minorGridEnabled: true
                    }],
    
             //折线图
                    graphs: [{
                        type: "column",        
                        title: "Income",   
                        valueField: "income",  //图例说明
                        fillAlphas:1,                //填充内容透明度

柱状图的fillAlphas参数说明：

fillAlphas:0

![140215\_oCm0\_3544533.png][140215_oCm0_3544533.png]

fillAlphas:0.5

![140242\_shk9\_3544533.png][140242_shk9_3544533.png]

balloonText: "<span style='font-size:13px;'>[[title]] in [[category]]:<b>[[value]]</b></span>"},
    
    {
                        type: "line",  
                        title: "Expenses",
                        valueField: "expenses",  //图例说明
                        lineThickness: 2,        //折线的厚度
    
                         fillAlphas: 0,           //折线线条覆盖面的透明度

线条的 fillAlphas说明：

fillAlphas: 0

![144108\_X9Dy\_3544533.png][144108_X9Dy_3544533.png]

fillAlphas: 0.5

![144028\_oXtQ\_3544533.png][144028_oXtQ_3544533.png]

bullet: "square",      //着重表示的符号    圆形：round
             balloonText: "<span style='font-size:13px;'>[[title]] in [[category]]:<b>[[value]]</b></span>"
                    }],
    
           //图例
                    legend: {
                        useGraphSettings: true
                    },
    
                    creditsPosition:"top-right"
    
                });
            </script>
        </head>
    
        <body style="background-color:#282828;">
            <div id="chartdiv" style="width: 500px; height: 600px;"></div>
        </body>
    
    </html>

转载于:https://my.oschina.net/u/3544533/blog/1608925

[2019_Python_]: https://my.oschina.net/u/2663968/blog/3061697
[hot3.png]: /images/20220113/9ede39abfdcf44a489b2efb2f230f93a.png
[133404_ryCz_3544533.png]: https://static.oschina.net/uploads/space/2018/0118/133404_ryCz_3544533.png
[133429_Nsuf_3544533.png]: https://static.oschina.net/uploads/space/2018/0118/133429_Nsuf_3544533.png
[140215_oCm0_3544533.png]: https://static.oschina.net/uploads/space/2018/0118/140215_oCm0_3544533.png
[140242_shk9_3544533.png]: https://static.oschina.net/uploads/space/2018/0118/140242_shk9_3544533.png
[144108_X9Dy_3544533.png]: https://static.oschina.net/uploads/space/2018/0118/144108_X9Dy_3544533.png
[144028_oXtQ_3544533.png]: https://static.oschina.net/uploads/space/2018/0118/144028_oXtQ_3544533.png