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Amcharts插件实现柱状图+折线图+单个主题

2018-01-18 00:00 645 查看
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:

<script src="amcharts/amcharts.js" type="text/javascript"></script>
<script src="amcharts/serial.js" type="text/javascript"></script>

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



rotate:false



//  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



fillAlphas:0.5



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



fillAlphas: 0.5



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>
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标签:  折线图 Amcharts