ECharts柱状图实例-蒲公英云

ECharts柱状图实例

test.html

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>柱状图</title>
<script type="text/javascript" src="echartsjs/echarts.min.js"></script>
</head>
<body>
<div id="main" style="height:300px;width: 350px;"></div>
<script type="text/javascript">
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        //*****I do it start********************
        var list = new Array();//前台固定数据。可以通过ajax等方式获取后台查询数据。
        list = [
                {"course":"语文","score":"5"},
                {"course":"数学","score":"20"},
                {"course":"外语","score":"36"},
                {"course":"音乐","score":"10"},
                {"course":"体育","score":"10"},
                {"course":"美术","score":"20"}
            ];
        var course = new Array();//声明数组存储课程
        var score = new Array();//声明数组存储分数
        //遍历list存储数据
        for ( var i = 0; i < list.length; i++) {
            course[i] = list[i].course;
            score[i] = list[i].score;
        }
        //alert(course);
        //alert(score);
        //*****I do it end**********************
        // 指定图表的配置项和数据
        var option = {
            title: {
                text: '成绩统计_柱状图'
            },
            tooltip: {},
            legend: {
                data:['成绩']
            },
            xAxis: {
                data: course//数据填充
            },
            yAxis: {},
            series: [{
                name: '成绩',
                type: 'bar',
                data: score//数据填充
            }]
        };
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);
    </script>
</body>
</html>