基于Echarts实现大屏数据可视化物虚拟数据统计

前言

🚀 基于 Echarts 实现可视化数据大屏响应式展示效果的源码,，基于html+css+javascript+echarts制作，可以在此基础上重新开发。

本项目中使用的是echarts图表库，ECharts 提供了常规的折线图、柱状图、散点图、饼图、K线图，用于统计的盒形图，用于地理数据可视化的地图、热力图、线图，用于关系数据可视化的关系图、treemap、旭日图，多维数据可视化的平行坐标，还有用于 BI 的漏斗图，仪表盘，并且支持图与图之间的混搭。

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文章目录

前言
一、Echart是什么
二、ECharts入门教程
三、作品演示
四、代码实现
- 1.HTML
- 2.CSS
- 3.JavaScript
- 4.Echarts
5.自适应
五、更多干货

一、Echart是什么

ECharts是一个使用 JavaScript 实现的开源可视化库，可以流畅的运行在 PC 和移动设备上，兼容当前绝大部分浏览器（IE8/9/10/11，Chrome，Firefox，Safari等），底层依赖矢量图形库 ZRender，提供直观，交互丰富，可高度个性化定制的数据可视化图表。

二、ECharts入门教程

5 分钟上手ECharts

三、作品演示

在这里插入图片描述

四、代码实现

1.HTML




<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <link rel="stylesheet" href="css/index.css" />
</head>

<body>
  <header>
    <h1>数据可视化-ECharts 虚拟数据</h1>
    <div class="showTime">当前时间：2020年8月<span></span></div>
  </header>
  <section class="mainbox">
    <div class="column">
      <div class="panel bar">
        <h2>
          柱状图-各行业程序员数量 <a href="javascript:;">2019</a>
          <a href="javacript:;"> 2020</a>
        </h2>
        <div class="chart"></div>
        <div class="panel-footer"></div>
      </div>
      <div class="panel line">
        <h2>折线图-学习变化</h2>
        <div class="chart"></div>
        <div class="panel-footer"></div>
      </div>
      <div class="panel pie">
        <h2>饼形图-工程师年龄分布</h2>
        <div class="chart"></div>
        <div class="panel-footer"></div>
      </div>
    </div>
    <div class="column">
      <div class="no">
        <div class="no-hd">
          <ul>
            <li>125811</li>
            <li>104563</li>
          </ul>
        </div>
        <div class="no-bd">
          <ul>
            <li>程序员需求人数</li>
            <li>程序员供应人数</li>
          </ul>
        </div>
      </div>
      <div class="map">
        <div class="chart"></div>
        <div class="map1"></div>
        <div class="map2"></div>
        <div class="map3"></div>
      </div>
    </div>
    <div class="column">
      <div class="panel bar1">
        <h2>柱状图-开发技能</h2>
        <div class="chart"></div>
        <div class="panel-footer"></div>
      </div>
      <div class="panel line1">
        <h2>折线图-公司人员流动</h2>
        <div class="chart"></div>
        <div class="panel-footer"></div>
      </div>
      <div class="panel pie1">
        <h2>饼形图-各地区程序员占比</h2>
        <div class="chart"></div>
        <div class="panel-footer"></div>
      </div>
    </div>
  </section>
  <script src="js/flexible.js"></script>
  <script src="https://www.jq22.com/jquery/echarts-4.2.1.min.js"></script>
  <script src="js/index.js"></script>
  <script src="js/china.js"></script>
  <script src="js/myMap.js"></script>
  <script>
    (function (fn) {
      fn();
      setInterval(fn, 1000);
    })(function () {
      var dt = new Date();
      document.querySelector(".showTime span").innerHTML =
        dt.getDate() + "日-" +
        dt.getHours() + "时" +
        dt.getMinutes() + "分" +
        dt.getSeconds() + "秒";
    });
  </script>
</body>

</html>

2.CSS


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

li {
  list-style: none
}

@font-face {
  font-family: electronicFont;
  src: url(../font/DS-DIGIT.TTF)
}

body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  background-repeat: no-repeat;
  background-color: #06164a;
  background-size: cover;
  line-height: 1.15
}

header {
  position: relative;
  height: 1.25rem;
  background: url(../images/head_bg.png) no-repeat top center;
  background-size: 100% 100%
}

header h1 {
  font-size: .475rem;
  color: #fff;
  text-align: center;
  line-height: 1rem
}

header .showTime {
  position: absolute;
  top: 0;
  right: .375rem;
  line-height: .9375rem;
  font-size: .25rem;
  color: rgba(255, 255, 255, .7)
}

.mainbox {
  min-width: 1024px;
  max-width: 1920px;
  padding: .125rem .125rem 0;
  display: flex
}

.mainbox .column {
  flex: 3
}

.mainbox .column:nth-child(2) {
  flex: 5;
  margin: 0 .125rem .1875rem;
  overflow: hidden
}

.panel {
  position: relative;
  height: 3.875rem;
  border: 1px solid rgba(25, 186, 139, .17);
  background: rgba(255, 255, 255, .04) url(../images/line\(1\).png);
  padding: 0 .1875rem .5rem;
  margin-bottom: .1875rem
}

.panel::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  width: 10px;
  height: 10px;
  border-top: 2px solid #02a6b5;
  border-left: 2px solid #02a6b5;
  border-radius: 20%
}

.panel::after {
  position: absolute;
  top: 0;
  right: 0;
  content: "";
  width: 10px;
  height: 10px;
  border-top: 2px solid #02a6b5;
  border-right: 2px solid #02a6b5;
  border-radius: 20%
}

.panel .panel-footer {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%
}

.panel .panel-footer::before {
  position: absolute;
  bottom: 0;
  left: 0;
  content: "";
  width: 10px;
  height: 10px;
  border-bottom: 2px solid #02a6b5;
  border-left: 2px solid #02a6b5;
  border-radius: 20%
}

.panel .panel-footer::after {
  position: absolute;
  bottom: 0;
  right: 0;
  content: "";
  width: 10px;
  height: 10px;
  border-bottom: 2px solid #02a6b5;
  border-right: 2px solid #02a6b5;
  border-radius: 20%
}

.panel h2 {
  height: .6rem;
  line-height: .6rem;
  text-align: center;
  color: #fff;
  font-size: .25rem;
  font-weight: 400
}

.panel h2 a {
  margin: 0 .1875rem;
  color: #fff;
  text-decoration: underline
}

.panel .chart {
  height: 3rem
}

.no {
  background: rgba(101, 132, 226, .1);
  padding: .1875rem
}

.no .no-hd {
  position: relative;
  border: 1px solid rgba(25, 186, 139, .17)
}

.no .no-hd::before {
  content: "";
  position: absolute;
  width: 30px;
  height: 10px;
  border-top: 2px solid #02a6b5;
  border-left: 2px solid #02a6b5;
  top: 0;
  left: 0
}

.no .no-hd::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 10px;
  border-bottom: 2px solid #02a6b5;
  border-right: 2px solid #02a6b5;
  right: 0;
  bottom: 0
}

.no .no-hd ul {
  display: flex
}

.no .no-hd ul li {
  position: relative;
  flex: 1;
  text-align: center;
  height: 1rem;
  line-height: 1rem;
  font-size: .875rem;
  color: #ffeb7b;
  padding: .05rem 0;
  font-family: electronicFont;
  font-weight: 700
}

.no .no-hd ul li:first-child::after {
  content: "";
  position: absolute;
  height: 50%;
  width: 1px;
  background: rgba(255, 255, 255, .2);
  right: 0;
  top: 25%
}

.no .no-bd ul {
  display: flex
}

.no .no-bd ul li {
  flex: 1;
  height: .5rem;
  line-height: .5rem;
  text-align: center;
  font-size: .225rem;
  color: rgba(255, 255, 255, .7);
  padding-top: .125rem
}

.map {
  position: relative;
  height: 10.125rem
}

.map .chart {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  height: 10.125rem;
  width: 100%
}

.map .map1,
.map .map2,
.map .map3 {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6.475rem;
  height: 6.475rem;
  background: url(../images/map.png) no-repeat;
  background-size: 100% 100%;
  opacity: .3
}

.map .map2 {
  width: 8.0375rem;
  height: 8.0375rem;
  background-image: url(../images/lbx.png);
  opacity: .6;
  animation: rotate 15s linear infinite;
  z-index: 2
}

.map .map3 {
  width: 7.075rem;
  height: 7.075rem;
  background-image: url(../images/jt.png);
  animation: rotate1 10s linear infinite
}

@keyframes rotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg)
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg)
  }
}

@keyframes rotate1 {
  from {
    transform: translate(-50%, -50%) rotate(0deg)
  }

  to {
    transform: translate(-50%, -50%) rotate(-360deg)
  }
}

@media screen and (max-width:1024px) {
  html {
    font-size: 42px !important
  }
}

@media screen and (min-width:1920) {
  html {
    font-size: 80px !important
  }
}

3.JavaScript


(function () {
  var myChart = echarts.init(document.querySelector(".bar .chart"));
  var option = {
    color: ["#2f89cf"],
    tooltip: {
      trigger: "axis",
      axisPointer: {
        type: "shadow"
      }
    },
    grid: {
      left: "0%",
      top: "10px",
      right: "0%",
      bottom: "4%",
      containLabel: true
    },
    xAxis: [{
      type: "category",
      data: ["旅游行业", "教育培训", "游戏行业", "医疗行业", "电商行业", "社交行业", "金融行业"],
      axisTick: {
        alignWithLabel: true
      },
      axisLabel: {
        textStyle: {
          color: "rgba(255,255,255,.6)",
          fontSize: "12"
        }
      },
      axisLine: {
        show: false
      }
    }],
    yAxis: [{
      type: "value",
      axisLabel: {
        textStyle: {
          color: "rgba(255,255,255,.6)",
          fontSize: "12"
        }
      },
      axisLine: {
        lineStyle: {
          color: "rgba(255,255,255,.1)"
        }
      },
      splitLine: {
        lineStyle: {
          color: "rgba(255,255,255,.1)"
        }
      }
    }],
    series: [{
      name: "直接访问",
      type: "bar",
      barWidth: "35%",
      data: [200, 300, 300, 900, 1500, 1200, 600],
      itemStyle: {
        barBorderRadius: 5
      }
    }]
  };
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
  var dataAll = [{
    year: "2019",
    data: [200, 300, 300, 900, 1500, 1200, 600]
  }, {
    year: "2020",
    data: [300, 400, 350, 800, 1800, 1400, 700]
  }];
  document.querySelector(".bar h2").addEventListener("click", function (e) {
    var i = e.target == this.children[0] ? 0 : 1;
    option.series[0].data = dataAll[i].data;
    myChart.setOption(option);
  });
})();
(function () {
  var myChart = echarts.init(document.querySelector(".line .chart"));
  var data = {
    year: [
      [24, 40, 101, 134, 90, 230, 210, 230, 120, 230, 210, 120],
      [40, 64, 191, 324, 290, 330, 310, 213, 180, 200, 180, 79]
    ]
  };
  var option = {
    color: ["#00f2f1", "#ed3f35"],
    tooltip: {
      trigger: "axis"
    },
    legend: {
      right: "10%",
      textStyle: {
        color: "#4c9bfd"
      }
    },
    grid: {
      top: "20%",
      left: "3%",
      right: "4%",
      bottom: "3%",
      show: true,
      borderColor: "#012f4a",
      containLabel: true
    },
    xAxis: {
      type: "category",
      boundaryGap: false,
      data: ["1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月"],
      axisTick: {
        show: false
      },
      axisLabel: {
        color: "rgba(255,255,255,.7)"
      },
      axisLine: {
        show: false
      }
    },
    yAxis: {
      type: "value",
      axisTick: {
        show: false
      },
      axisLabel: {
        color: "rgba(255,255,255,.7)"
      },
      splitLine: {
        lineStyle: {
          color: "#012f4a"
        }
      }
    },
    series: [{
      name: "新增项目",
      type: "line",
      stack: "总量",
      smooth: true,
      data: data.year[0]
    }, {
      name: "新增技能",
      type: "line",
      stack: "总量",
      smooth: true,
      data: data.year[1]
    }]
  };
  myChart.setOption(option);
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
})();
(function () {
  var myChart = echarts.init(document.querySelector(".pie .chart"));
  option = {
    tooltip: {
      trigger: "item",
      formatter: "{a} <br/>{b}: {c} ({d}%)",
      position: function (p) {
        return [p[0] + 10, p[1] - 10];
      }
    },
    legend: {
      top: "90%",
      itemWidth: 10,
      itemHeight: 10,
      data: ["0岁以下", "20-29岁", "30-39岁", "40-49岁", "50岁以上"],
      textStyle: {
        color: "rgba(255,255,255,.5)",
        fontSize: "12"
      }
    },
    series: [{
      name: "年龄分布",
      type: "pie",
      center: ["50%", "42%"],
      radius: ["40%", "60%"],
      color: ["#065aab", "#066eab", "#0682ab", "#0696ab", "#06a0ab", "#06b4ab", "#06c8ab", "#06dcab", "#06f0ab"],
      label: {
        show: false
      },
      labelLine: {
        show: false
      },
      data: [{
        value: 1,
        name: "0岁以下"
      }, {
        value: 4,
        name: "20-29岁"
      }, {
        value: 2,
        name: "30-39岁"
      }, {
        value: 2,
        name: "40-49岁"
      }, {
        value: 1,
        name: "50岁以上"
      }]
    }]
  };
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
})();
(function () {
  var myChart = echarts.init(document.querySelector(".bar1 .chart"));
  var data = [90, 80, 75, 65, 65];
  var titlename = ["javascript", "VUE", "jQuery", "HTML5", "CSS3"];
  var valdata = ["精通", "熟练", "熟练", "掌握", "掌握"];
  var myColor = ["#1089E7", "#F57474", "#56D0E3", "#F8B448", "#8B78F6"];
  option = {
    grid: {
      top: "10%",
      left: "22%",
      bottom: "10%"
    },
    xAxis: {
      show: false
    },
    yAxis: [{
      show: true,
      data: titlename,
      inverse: true,
      axisLine: {
        show: false
      },
      splitLine: {
        show: false
      },
      axisTick: {
        show: false
      },
      axisLabel: {
        color: "#fff",
        rich: {
          lg: {
            backgroundColor: "#339911",
            color: "#fff",
            borderRadius: 15,
            align: "center",
            width: 15,
            height: 15
          }
        }
      }
    }, {
      show: true,
      inverse: true,
      data: valdata,
      axisLabel: {
        textStyle: {
          fontSize: 12,
          color: "#fff"
        }
      }
    }],
    series: [{
      name: "条",
      type: "bar",
      yAxisIndex: 0,
      data: data,
      barCategoryGap: 50,
      barWidth: 10,
      itemStyle: {
        normal: {
          barBorderRadius: 20,
          color: function (params) {
            var num = myColor.length;
            return myColor[params.dataIndex % num];
          }
        }
      },
      label: {
        normal: {
          show: true,
          position: "inside",
          formatter: "{c}%"
        }
      }
    }, {
      name: "框",
      type: "bar",
      yAxisIndex: 1,
      barCategoryGap: 50,
      data: [100, 100, 100, 100, 100],
      barWidth: 15,
      itemStyle: {
        normal: {
          color: "none",
          borderColor: "#00c1de",
          borderWidth: 3,
          barBorderRadius: 15
        }
      }
    }]
  };
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
})();
(function () {
  var myChart = echarts.init(document.querySelector(".line1 .chart"));
  option = {
    tooltip: {
      trigger: "axis",
      axisPointer: {
        lineStyle: {
          color: "#dddc6b"
        }
      }
    },
    legend: {
      top: "0%",
      textStyle: {
        color: "rgba(255,255,255,.5)",
        fontSize: "12"
      }
    },
    grid: {
      left: "10",
      top: "30",
      right: "10",
      bottom: "10",
      containLabel: true
    },
    xAxis: [{
      type: "category",
      boundaryGap: false,
      axisLabel: {
        textStyle: {
          color: "rgba(255,255,255,.6)",
          fontSize: 12
        }
      },
      axisLine: {
        lineStyle: {
          color: "rgba(255,255,255,.2)"
        }
      },
      data: ["01", "02", "03", "04", "05", "06", "07", "08", "09", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30"]
    }, {
      axisPointer: {
        show: false
      },
      axisLine: {
        show: false
      },
      position: "bottom",
      offset: 20
    }],
    yAxis: [{
      type: "value",
      axisTick: {
        show: false
      },
      axisLine: {
        lineStyle: {
          color: "rgba(255,255,255,.1)"
        }
      },
      axisLabel: {
        textStyle: {
          color: "rgba(255,255,255,.6)",
          fontSize: 12
        }
      },
      splitLine: {
        lineStyle: {
          color: "rgba(255,255,255,.1)"
        }
      }
    }],
    series: [{
      name: "流入",
      type: "line",
      smooth: true,
      symbol: "circle",
      symbolSize: 5,
      showSymbol: false,
      lineStyle: {
        normal: {
          color: "#0184d5",
          width: 2
        }
      },
      areaStyle: {
        normal: {
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
            offset: 0,
            color: "rgba(1, 132, 213, 0.4)"
          }, {
            offset: 0.8,
            color: "rgba(1, 132, 213, 0.1)"
          }], false),
          shadowColor: "rgba(0, 0, 0, 0.1)"
        }
      },
      itemStyle: {
        normal: {
          color: "#0184d5",
          borderColor: "rgba(221, 220, 107, .1)",
          borderWidth: 12
        }
      },
      data: [30, 40, 30, 40, 30, 40, 30, 60, 20, 40, 20, 40, 30, 40, 30, 40, 30, 40, 30, 60, 20, 40, 20, 40, 30, 60, 20, 40, 20, 40]
    }, {
      name: "流出",
      type: "line",
      smooth: true,
      symbol: "circle",
      symbolSize: 5,
      showSymbol: false,
      lineStyle: {
        normal: {
          color: "#00d887",
          width: 2
        }
      },
      areaStyle: {
        normal: {
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
            offset: 0,
            color: "rgba(0, 216, 135, 0.4)"
          }, {
            offset: 0.8,
            color: "rgba(0, 216, 135, 0.1)"
          }], false),
          shadowColor: "rgba(0, 0, 0, 0.1)"
        }
      },
      itemStyle: {
        normal: {
          color: "#00d887",
          borderColor: "rgba(221, 220, 107, .1)",
          borderWidth: 12
        }
      },
      data: [50, 30, 50, 60, 10, 50, 30, 50, 60, 40, 60, 40, 80, 30, 50, 60, 10, 50, 30, 70, 20, 50, 10, 40, 50, 30, 70, 20, 50, 10, 40]
    }]
  };
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
})();
(function () {
  var myChart = echarts.init(document.querySelector(".pie1  .chart"));
  var option = {
    legend: {
      top: "90%",
      itemWidth: 10,
      itemHeight: 10,
      textStyle: {
        color: "rgba(255,255,255,.5)",
        fontSize: "12"
      }
    },
    tooltip: {
      trigger: "item",
      formatter: "{a} <br/>{b} : {c} ({d}%)"
    },
    color: ["#006cff", "#60cda0", "#ed8884", "#ff9f7f", "#0096ff", "#9fe6b8", "#32c5e9", "#1d9dff"],
    series: [{
      name: "点位统计",
      type: "pie",
      radius: ["10%", "70%"],
      center: ["50%", "42%"],
      roseType: "radius",
      data: [{
        value: 20,
        name: "西安"
      }, {
        value: 26,
        name: "北京"
      }, {
        value: 24,
        name: "上海"
      }, {
        value: 25,
        name: "其他"
      }, {
        value: 20,
        name: "武汉"
      }, {
        value: 25,
        name: "杭州"
      }, {
        value: 30,
        name: "深圳"
      }, {
        value: 42,
        name: "广州"
      }],
      label: {
        fontSize: 10
      },
      labelLine: {
        length: 10,
        length2: 10
      }
    }]
  };
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
})();

4.Echarts


(function() {
  // 1. 实例化对象
  var myChart = echarts.init(document.querySelector(".map .chart"));
  // 2. 指定配置和数据
  // 2. 指定配置和数据
  var geoCoordMap = {
    上海: [121.4648, 31.2891],
    东莞: [113.8953, 22.901],
    东营: [118.7073, 37.5513],
    中山: [113.4229, 22.478],
    临汾: [111.4783, 36.1615],
    临沂: [118.3118, 35.2936],
    丹东: [124.541, 40.4242],
    丽水: [119.5642, 28.1854],
    乌鲁木齐: [87.9236, 43.5883],
    佛山: [112.8955, 23.1097],
    保定: [115.0488, 39.0948],
    兰州: [103.5901, 36.3043],
    包头: [110.3467, 41.4899],
    北京: [116.4551, 40.2539],
    北海: [109.314, 21.6211],
    南京: [118.8062, 31.9208],
    南宁: [108.479, 23.1152],
    南昌: [116.0046, 28.6633],
    南通: [121.1023, 32.1625],
    厦门: [118.1689, 24.6478],
    台州: [121.1353, 28.6688],
    合肥: [117.29, 32.0581],
    呼和浩特: [111.4124, 40.4901],
    咸阳: [108.4131, 34.8706],
    哈尔滨: [127.9688, 45.368],
    唐山: [118.4766, 39.6826],
    嘉兴: [120.9155, 30.6354],
    大同: [113.7854, 39.8035],
    大连: [122.2229, 39.4409],
    天津: [117.4219, 39.4189],
    太原: [112.3352, 37.9413],
    威海: [121.9482, 37.1393],
    宁波: [121.5967, 29.6466],
    宝鸡: [107.1826, 34.3433],
    宿迁: [118.5535, 33.7775],
    常州: [119.4543, 31.5582],
    广州: [113.5107, 23.2196],
    廊坊: [116.521, 39.0509],
    延安: [109.1052, 36.4252],
    张家口: [115.1477, 40.8527],
    徐州: [117.5208, 34.3268],
    德州: [116.6858, 37.2107],
    惠州: [114.6204, 23.1647],
    成都: [103.9526, 30.7617],
    扬州: [119.4653, 32.8162],
    承德: [117.5757, 41.4075],
    拉萨: [91.1865, 30.1465],
    无锡: [120.3442, 31.5527],
    日照: [119.2786, 35.5023],
    昆明: [102.9199, 25.4663],
    杭州: [119.5313, 29.8773],
    枣庄: [117.323, 34.8926],
    柳州: [109.3799, 24.9774],
    株洲: [113.5327, 27.0319],
    武汉: [114.3896, 30.6628],
    汕头: [117.1692, 23.3405],
    江门: [112.6318, 22.1484],
    沈阳: [123.1238, 42.1216],
    沧州: [116.8286, 38.2104],
    河源: [114.917, 23.9722],
    泉州: [118.3228, 25.1147],
    泰安: [117.0264, 36.0516],
    泰州: [120.0586, 32.5525],
    济南: [117.1582, 36.8701],
    济宁: [116.8286, 35.3375],
    海口: [110.3893, 19.8516],
    淄博: [118.0371, 36.6064],
    淮安: [118.927, 33.4039],
    深圳: [114.5435, 22.5439],
    清远: [112.9175, 24.3292],
    温州: [120.498, 27.8119],
    渭南: [109.7864, 35.0299],
    湖州: [119.8608, 30.7782],
    湘潭: [112.5439, 27.7075],
    滨州: [117.8174, 37.4963],
    潍坊: [119.0918, 36.524],
    烟台: [120.7397, 37.5128],
    玉溪: [101.9312, 23.8898],
    珠海: [113.7305, 22.1155],
    盐城: [120.2234, 33.5577],
    盘锦: [121.9482, 41.0449],
    石家庄: [114.4995, 38.1006],
    福州: [119.4543, 25.9222],
    秦皇岛: [119.2126, 40.0232],
    绍兴: [120.564, 29.7565],
    聊城: [115.9167, 36.4032],
    肇庆: [112.1265, 23.5822],
    舟山: [122.2559, 30.2234],
    苏州: [120.6519, 31.3989],
    莱芜: [117.6526, 36.2714],
    菏泽: [115.6201, 35.2057],
    营口: [122.4316, 40.4297],
    葫芦岛: [120.1575, 40.578],
    衡水: [115.8838, 37.7161],
    衢州: [118.6853, 28.8666],
    西宁: [101.4038, 36.8207],
    西安: [109.1162, 34.2004],
    贵阳: [106.6992, 26.7682],
    连云港: [119.1248, 34.552],
    邢台: [114.8071, 37.2821],
    邯郸: [114.4775, 36.535],
    郑州: [113.4668, 34.6234],
    鄂尔多斯: [108.9734, 39.2487],
    重庆: [107.7539, 30.1904],
    金华: [120.0037, 29.1028],
    铜川: [109.0393, 35.1947],
    银川: [106.3586, 38.1775],
    镇江: [119.4763, 31.9702],
    长春: [125.8154, 44.2584],
    长沙: [113.0823, 28.2568],
    长治: [112.8625, 36.4746],
    阳泉: [113.4778, 38.0951],
    青岛: [120.4651, 36.3373],
    韶关: [113.7964, 24.7028]
  };

  var XAData = [
    [{ name: "西安" }, { name: "北京", value: 100 }],
    [{ name: "西安" }, { name: "上海", value: 100 }],
    [{ name: "西安" }, { name: "广州", value: 100 }],
    [{ name: "西安" }, { name: "西宁", value: 100 }],
    [{ name: "西安" }, { name: "拉萨", value: 100 }]
  ];

  var XNData = [
    [{ name: "西宁" }, { name: "北京", value: 100 }],
    [{ name: "西宁" }, { name: "上海", value: 100 }],
    [{ name: "西宁" }, { name: "广州", value: 100 }],
    [{ name: "西宁" }, { name: "西安", value: 100 }],
    [{ name: "西宁" }, { name: "银川", value: 100 }]
  ];

  var YCData = [
    [{ name: "拉萨" }, { name: "北京", value: 100 }],
    [{ name: "拉萨" }, { name: "潍坊", value: 100 }],
    [{ name: "拉萨" }, { name: "哈尔滨", value: 100 }]
  ];

  var planePath =
    "path://M1705.06,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705.06,1318.313z";
  //var planePath = 'arrow';
  var convertData = function(data) {
    var res = [];
    for (var i = 0; i < data.length; i++) {
      var dataItem = data[i];

      var fromCoord = geoCoordMap[dataItem[0].name];
      var toCoord = geoCoordMap[dataItem[1].name];
      if (fromCoord && toCoord) {
        res.push({
          fromName: dataItem[0].name,
          toName: dataItem[1].name,
          coords: [fromCoord, toCoord],
          value: dataItem[1].value
        });
      }
    }
    return res;
  };

  var color = ["#fff", "#fff", "#fff"]; //航线的颜色
  var series = [];
  [
    ["西安", XAData],
    ["西宁", XNData],
    ["银川", YCData]
  ].forEach(function(item, i) {
    series.push(
      {
        name: item[0] + " Top3",
        type: "lines",
        zlevel: 1,
        effect: {
          show: true,
          period: 6,
          trailLength: 0.7,
          color: "red", //arrow箭头的颜色
          symbolSize: 3
        },
        lineStyle: {
          normal: {
            color: color[i],
            width: 0,
            curveness: 0.2
          }
        },
        data: convertData(item[1])
      },
      {
        name: item[0] + " Top3",
        type: "lines",
        zlevel: 2,
        symbol: ["none", "arrow"],
        symbolSize: 10,
        effect: {
          show: true,
          period: 6,
          trailLength: 0,
          symbol: planePath,
          symbolSize: 15
        },
        lineStyle: {
          normal: {
            color: color[i],
            width: 1,
            opacity: 0.6,
            curveness: 0.2
          }
        },
        data: convertData(item[1])
      },
      {
        name: item[0] + " Top3",
        type: "effectScatter",
        coordinateSystem: "geo",
        zlevel: 2,
        rippleEffect: {
          brushType: "stroke"
        },
        label: {
          normal: {
            show: true,
            position: "right",
            formatter: "{b}"
          }
        },
        symbolSize: function(val) {
          return val[2] / 8;
        },
        itemStyle: {
          normal: {
            color: color[i]
          },
          emphasis: {
            areaColor: "#2B91B7"
          }
        },
        data: item[1].map(function(dataItem) {
          return {
            name: dataItem[1].name,
            value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
          };
        })
      }
    );
  });
  var option = {
    tooltip: {
      trigger: "item",
      formatter: function(params, ticket, callback) {
        if (params.seriesType == "effectScatter") {
          return "线路：" + params.data.name + "" + params.data.value[2];
        } else if (params.seriesType == "lines") {
          return (
            params.data.fromName +
            ">" +
            params.data.toName +
            "<br />" +
            params.data.value
          );
        } else {
          return params.name;
        }
      }
    },

    geo: {
      map: "china",
      label: {
        emphasis: {
          show: true,
          color: "#fff"
        }
      },
      roam: false,
      //   放大我们的地图
      zoom: 1,
      itemStyle: {
        normal: {
          areaColor: "rgba(43, 196, 243, 0.42)",
          borderColor: "rgba(43, 196, 243, 1)",
          borderWidth: 1
        },
        emphasis: {
          areaColor: "#2B91B7"
        }
      }
    },
    series: series
  };
  myChart.setOption(option);
  window.addEventListener("resize", function() {
    myChart.resize();
  });
})();

5.自适应



(function flexible(window, document) {
  var docEl = document.documentElement;
  var dpr = window.devicePixelRatio || 1;

  function setBodyFontSize() {
    if (document.body) {
      document.body.style.fontSize = 12 * dpr + "px";
    } else {
      document.addEventListener("DOMContentLoaded", setBodyFontSize);
    }
  }
  setBodyFontSize();

  function setRemUnit() {
    var rem = docEl.clientWidth / 24;
    docEl.style.fontSize = rem + "px";
  }
  setRemUnit();
  window.addEventListener("resize", setRemUnit);
  window.addEventListener("pageshow", function (e) {
    if (e.persisted) {
      setRemUnit();
    }
  });
  if (dpr >= 2) {
    var fakeBody = document.createElement("body");
    var testElement = document.createElement("div");
    testElement.style.border = ".5px solid transparent";
    fakeBody.appendChild(testElement);
    docEl.appendChild(fakeBody);
    if (testElement.offsetHeight === 1) {
      docEl.classList.add("hairlines");
    }
    docEl.removeChild(fakeBody);
  }
})(window, document);

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