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前端Echarts自適應(yīng)分辨率和縮放功能代碼實例

 更新時間:2024年07月29日 10:26:21   作者:Lucky小維  
ECharts提供了自適應(yīng)功能,可以自動調(diào)整圖表大小以適應(yīng)屏幕變化,下面這篇文章主要給大家介紹了關(guān)于前端Echarts自適應(yīng)分辨率和縮放功能的相關(guān)資料,文中通過代碼介紹的非常詳細(xì),需要的朋友可以參考下

版本

yarn add echarts@4.9.0
yarn add resize-detector@0.3.0

mixins-resize.js

import { addListener, removeListener } from 'resize-detector';
import _ from 'lodash';

export default {
  mounted() {
    const { onResize } = this;
    this.__resizeHandler = _.debounce(() => {
      if (typeof onResize === 'function') onResize();
    }, 100);

    this.$nextTick(() => {
      addListener(this.$el, this.__resizeHandler);
    });
  },
  beforeDestroy() {
    removeListener(this.$el, this.__resizeHandler);
  }
}

dataZoom.js

export const echartOptions = {
  dataZoom: [
    {
      type: 'slider', //滑動條型數(shù)據(jù)縮放組件
      start: 90, //數(shù)據(jù)窗口的起始位置百分比
      end: 100, //數(shù)據(jù)窗口的結(jié)束位置百分比
      height: 6, //數(shù)據(jù)縮放組件的高度
      bottom: 20, //數(shù)據(jù)縮放組件距離底部的距離
      realtime: false, //是否實時顯示,這里是 false,表示拖動結(jié)束時才觸發(fā)數(shù)據(jù)變化
      backgroundColor: '#EDF0F5', //數(shù)據(jù)縮放組件的背景色
      handleSize: 12, //滑塊的大小
      //滑塊的圖標(biāo)
      handleIcon:
        'image://data:image/png;base64,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',

      dataBackground: {
        //數(shù)據(jù)區(qū)域的背景配置
        lineStyle: {
          //數(shù)據(jù)區(qū)域邊界線的樣式配置,這里設(shè)置為透明
          opacity: 0,
        },
        areaStyle: {
          //數(shù)據(jù)區(qū)域填充樣式配置,這里設(shè)置為透明
          opacity: 0,
        },
      },
      selectedDataBackground: {
        //選中數(shù)據(jù)區(qū)域的背景配置
        lineStyle: {
          //選中數(shù)據(jù)區(qū)域邊界線的樣式配置,這里設(shè)置為透明
          opacity: 0,
        },
        areaStyle: {
          // 選中數(shù)據(jù)區(qū)域填充樣式配置,這里設(shè)置為透明
          opacity: 0,
        },
        brushStyle: {
          //選中數(shù)據(jù)區(qū)域的刷子樣式配置,這里設(shè)置邊框顏色為紅色
          borderColor: '#f00',
        },
      },
      // fillerColor: ' #A3A1FB', //數(shù)據(jù)區(qū)域的填充顏色 紫色
      textStyle: {
        color: 'transparent', //文本顏色,這里設(shè)置為透明
      },
    },
  ],
}

使用

<template>
  <div class="mod-demo-echarts">
    <el-row :gutter="20">
      <el-col :span="17">
        <el-card>
          <div id="lucky_chart" style="min-height: 400px"></div>
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>
<script>
import { deepClone } from '@/views/common'
import { echartOptions } from '@/views/common/dataZoom.js'
import ResizeMixins from '@/views/common/mixins-resize.js'
export default {
  mixins: [ResizeMixins],
  data() {
    return {
      chartLine: null,
      myChart: null,
      chartPie: null,
      chartScatter: null,
    }
  },
  mounted() {
    this.initLuckyChart()
  },

  methods: {
    initLuckyChart() {
      let dataZoom = deepClone(echartOptions.dataZoom)
      let xLabel = ['8:05', '8:10', '8:15', '8:25', '8:30', '8:35', '8:40', '8:45', '8:55', '9:00', '9:05', '9:10'] //x軸數(shù)據(jù)
      let dataValue = [120, 130, 140, 135, 134, 115, 156, 115, 112, 215, 134, 142] //y軸數(shù)據(jù)1
      let dataValue1 = [1.0, 3.0, 2.0, 1.0, 3, 1, 2, 3.2, 4.5, 5.0, 4.3, 3] //y軸數(shù)據(jù)2
      let dataValue2 = [3, 6, 7, 15, 8, 5, 2, 5, 4, 2, 10, 3] //y軸數(shù)據(jù)3

      let colors = ['#a5c5d4', '#91CC75', '#EE6666'] //顏色
      let option = {
        dataZoom: dataZoom,
        color: colors,
        tooltip: {
          //懸浮放上面的提示
          trigger: 'axis', //坐標(biāo)軸觸發(fā)
          axisPointer: {
            type: 'line', //直線指示器
          },
        },
        grid: {
          right: '20%', //echarts離容器左側(cè)的距離
        },
        toolbox: {
          //工具欄。內(nèi)置有導(dǎo)出圖片,數(shù)據(jù)視圖,動態(tài)類型切換,數(shù)據(jù)區(qū)域縮放,重置五個工具。
          feature: {
            dataView: { show: true, readOnly: false }, //數(shù)據(jù)視圖
            restore: { show: true }, //重置
            saveAsImage: { show: true }, //下載
          },
        },
        legend: {
          //圖例組件展現(xiàn)了不同系列的標(biāo)記(symbol),顏色和名字。可以通過點擊圖例控制哪些系列不顯示
          data: ['濁度', 'PH', '水溫'], //就是圖表上面正中間那3,點擊某個某個就能隱藏
        },
        xAxis: [
          {
            type: 'category', //類目軸,適用于離散的類目數(shù)據(jù)。為該類型時類目數(shù)據(jù)可自動從 series.data 或 dataset.source 中取,或者可通過 xAxis.data 設(shè)置類目數(shù)據(jù)
            boundaryGap: false, //false從0開始,最少x會放0位置
            axisTick: {
              //坐標(biāo)軸刻度|和數(shù)據(jù)是對齊的,加上這個
              alignWithLabel: true,
            },
            // prettier-ignore
            data: xLabel, //x軸數(shù)據(jù)
          },
        ],
        yAxis: [
          //直角坐標(biāo)系 grid 中的 y 軸,一般情況下單個 grid 組件最多只能放左右兩個 y 軸,多于兩個 y 軸需要通過配置 offset 屬性防止同個位置多個 Y 軸的重疊。
          {
            type: 'value', //適用于連續(xù)數(shù)據(jù)
            name: '濁度(ntu)', //坐標(biāo)軸名稱
            position: 'left', //左邊
            alignTicks: true, //開啟該配置項自動對齊刻度
            min: 0, //初始
            max: 1000, //結(jié)束值
            interval: 200, //間距   如果沒這3,會自適應(yīng)數(shù)據(jù)
            axisLine: {
              show: false, //y軸|  是否顯示
              lineStyle: {
                color: colors[0], //顏色
              },
            },
            splitLine: {
              //隱藏縱軸的橫線
              show: true, //展示
              lineStyle: {
                color: '#DCDFE6 ', //虛線顏色
                type: 'dashed', //虛線
              },
            },
            axisLabel: {
              //縱軸文字,就是0 200 400 600 800 1000
              show: true,
              formatter: '{value} ',
            },
          },
          {
            type: 'value', //適用于連續(xù)數(shù)據(jù)
            name: 'PH',
            position: 'right', //右邊
            alignTicks: true, //開啟該配置項自動對齊刻度
            min: 0, //初始
            max: 14, //結(jié)束值
            interval: 3, //間距   如果沒這3,會自適應(yīng)數(shù)據(jù)
            splitLine: {
              show: false, //y軸|  是否顯示
              lineStyle: {
                color: '#1160a0',
                type: 'solid', //實體線
              },
            },
            axisLine: {
              //縱軸文字,就是0 3 6 9 12 14
              show: false,
              lineStyle: {
                color: colors[1],
              },
            },
            axisLabel: {
              formatter: '{value} ',
            },
          },
          {
            type: 'value',
            name: '水溫(°C)',
            show: true, // 添加該配置來隱藏水溫縱軸
            position: 'right',
            alignTicks: true,
            min: 0,
            max: 100,
            interval: 20,
            offset: 80, //向右偏移80
            axisLine: {
              show: false, //y軸|  是否顯示
              lineStyle: {
                color: colors[2],
              },
            },
            splitLine: {
              //隱藏縱軸的橫線
              show: false,
              lineStyle: {
                color: '#DCDFE6 ',
                type: 'dashed',
              },
            },
            axisLabel: {
              //縱軸文字
              formatter: '{value} ',
            },
          },
        ],
        series: [
          //數(shù)據(jù)
          {
            name: '濁度',
            type: 'line', //折線
            symbol: 'none', // 默認(rèn)是空心圓(中間是白色的),改成實心圓
            smooth: true, //是否平滑
            color: '',
            areaStyle: {
              normal: {
                //線性漸變,前4個參數(shù)分別是x0,y0,x2,y2(范圍0~1);相當(dāng)于圖形包圍盒中的百分比。如果最后一個參數(shù)是‘true',則該四個值是絕對像素位置。
                color: new this.$echarts.graphic.LinearGradient(
                  0,
                  0,
                  0,
                  1,
                  [
                    {
                      offset: 0,
                      color: '#bed4e5',
                    },
                    {
                      offset: 0.6,
                      color: '#aac8d9',
                    },
                    {
                      offset: 1,
                      color: '#9dbec9',
                    },
                  ],
                  false
                ),
              },
            },
            data: dataValue,
          },
          {
            name: 'PH',
            type: 'line',
            yAxisIndex: 1, //默認(rèn)是0就左邊那個y軸,1是右邊第一個
            data: dataValue1,
          },
          {
            name: '水溫',
            type: 'line',
            symbol: 'none', // 默認(rèn)是空心圓(中間是白色的),改成實心圓
            smooth: true,
            yAxisIndex: 2,
            areaStyle: {
              normal: {
                //線性漸變,前4個參數(shù)分別是x0,y0,x2,y2(范圍0~1);相當(dāng)于圖形包圍盒中的百分比。如果最后一個參數(shù)是‘true',則該四個值是絕對像素位置。
                color: new this.$echarts.graphic.LinearGradient(
                  0,
                  0,
                  0,
                  1,
                  [
                    {
                      offset: 0,
                      color: '#c1a3aa',
                    },
                    {
                      offset: 0.6,
                      color: '#b19aa3',
                    },
                    {
                      offset: 1,
                      color: '#a78c95',
                    },
                  ],
                  false
                ),
              },
            },
            data: dataValue2,
          },
        ],
      }

      this.myChart = this.$echarts.init(document.getElementById('lucky_chart'))
      this.myChart.setOption(option)
    },
    onResize() {
      this.myChart && this.myChart.resize()
      // this.$refs.swiper1 && this.$refs.swiper1.resize();
    },
  },
}
</script>

總結(jié) 

到此這篇關(guān)于前端Echarts自適應(yīng)分辨率和縮放功能的文章就介紹到這了,更多相關(guān)Echarts自適應(yīng)分辨率和縮放內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!

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