前端利用插件echarts製作柱狀圖、餅狀圖、折線圖

1、餅狀圖

打開網址:https://www.echartsjs.com/zh/index.html
點開實例,找到餅狀圖,有許多小例子,點進去一個,會有相應餅狀圖代碼,複製到自己文件裏,引入插件即可

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <script src="https://cdn.bootcss.com/echarts/4.4.0-rc.1/echarts-en.common.min.js"></script>
  </head>
  <body>
    <div id="main" style="width: 600px;height:400px;"></div>
    <script>
      var myChart = echarts.init(document.getElementById("main"));
        option = {
            tooltip: {
                trigger: 'item',
                formatter: "{a} <br/>{b}: {c} ({d}%)"
            },
            legend: {
                orient: 'vertical',
                x: 'left',
                data:['直接訪問','郵件營銷','聯盟廣告','視頻廣告','搜索引擎']
            },
            series: [
                {
                    name:'訪問來源',
                    type:'pie',
                    radius: ['50%', '70%'],
                    avoidLabelOverlap: false,
                    label: {
                        normal: {
                            show: false,
                            position: 'center'
                        },
                        emphasis: {
                            show: true,
                            textStyle: {
                                fontSize: '30',
                                fontWeight: 'bold'
                            }
                        }
                    },
                    labelLine: {
                        normal: {
                            show: false
                        }
                    },
                    data:[
                        {value:335, name:'直接訪問'},
                        {value:310, name:'郵件營銷'},
                        {value:234, name:'聯盟廣告'},
                        {value:135, name:'視頻廣告'},
                        {value:1548, name:'搜索引擎'}
                    ]
                }
            ]
        };
      // 使用剛指定的配置項和數據顯示圖表。
      myChart.setOption(option);
    </script>
  </body>
</html>

2、柱狀圖

打開網址:https://www.echartsjs.com/zh/index.html
點開實例,找到柱狀圖,有許多小例子,點進去一個,會有相應柱狀圖代碼,複製到自己文件裏,引入插件即可

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.bootcss.com/echarts/4.4.0-rc.1/echarts-en.common.min.js"></script>
</head>
<body>
    <div id="main" style="width: 600px;height:400px;"></div>
    <script>
            var myChart = echarts.init(document.getElementById("main"));
            option = {
    xAxis: {
        type: 'category',
        data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
    },
    yAxis: {
        type: 'value'
    },
    series: [{
        data: [120, 200, 150, 80, 70, 110, 130],
        type: 'bar'
    }]
};

            myChart.setOption(option);
        </script>
</body>
</html>

3、折線圖

打開網址:https://www.echartsjs.com/zh/index.html
點開實例,找到折狀圖,有許多小例子,點進去一個,會有相應折狀圖代碼,複製到自己文件裏,引入插件即可

<!DOCTYPE html>
<html style="height: 100%">
   <head>
       <meta charset="utf-8">
   </head>
   <body style="height: 70%; width:30%  ;margin: 0">
       <div id="container" style="height: 50%"></div>
       <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts/dist/echarts.min.js"></script>
       <script type="text/javascript">
            var dom = document.getElementById("container");
            var myChart = echarts.init(dom);
            var app = {};
            option = null;
            option = {
                xAxis: {
                    type: 'category',
                    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
                },
                yAxis: {
                    type: 'value'
                },
                series: [{
                    data: [820, 932, 901, 934, 1290, 1330, 1320],
                    type: 'line'
                }]
            };
            ;
            if (option && typeof option === "object") {
                myChart.setOption(option, true);
            }
       </script>
   </body>
</html>
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