vue引入echarts柱状图

vue封装echarts柱状图

2021-07-07 17:42:16

<template> <div> <div id="myChart" :style="{ width: width, height: height }"></div> </div> </template>...import * as echarts from "echarts"; export

<template>
  <div>
    <div :id="myChart" :style="{ width: width, height: height }"></div>
  </div>
</template>
<script>
// import { baseurl } from "@/api/common/request";
import * as echarts from "echarts";
export default {
  props: {
    widthHeight: {type: Object},
  },
  data() {
    return {
    myChart:"myChart"+new Date().valueOf()
      data: [
        { name: "Mon", value: 200, color: "#a90000" },
        { name: "Tue", value: 250, color: "#ccc" },
        { name: "Wed", value: 100, color: "#eee" },
        { name: "Thu", value: 180, color: "#000" },
        { name: "Fri", value: 220, color: "#5C7BD9" },
        { name: "Sat", value: 280, color: "#B5D5FF" },
        { name: "Sun", value: 130, color: "#a90000" },
      ],
      name: [],
      valueColor: [],
      width: "300px",
      height: "300px",
      title: null,
    };
  },
  mounted() {
    this.change();
    this.width=this.widthHeight.ewidth
    this.height=this.widthHeight.eheight
  },
  methods: {
    change() {
      for (var i = 0; i < this.data.length; i++) {
        this.name.push(this.data[i].name);
        this.valueColor.push({
          value: this.data[i].value,
          itemStyle: {color:this.data[i].color},
        });
        if (this.valueColor.length == this.data.length) {
            // 当数据分离完再调用drawLine方法
          this.drawLine(); 
        }
      }
    },
    drawLine() {
      let newPromise = new Promise((resolve) => {
        resolve();
      });
      //然后异步执行echarts的初始化函数
      newPromise.then(() => {
        //	此dom为echarts图标展示dom
        let myChart = echarts.init(document.getElementById(this.myChart));
        myChart.setOption({
          xAxis: {
            type: "category",
            data: this.name,
          },
          yAxis: {
            type: "value",
          },
          series: [
            {
              data: this.valueColor,
              type: "bar",
            },
          ],
        });
      });
    },
  },
};
</script>
 
父组件 
//使用
<barFour :widthHeight="widthHeight"></barFour>
//引入
import barFourfrom "@/components/common/eaharts/bar/barFour";
//注册
components:{barFour}
widthHeight: {
    ewidth: "500px",
    eheight: "250px",
  },

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javascript

在vue中 echarts 柱状图调后台接口

2021-09-23 10:43:29

// main.js引入echarts import echarts from ‘echarts’ //有时语法报错或使用 import * as echarts from ‘echarts’ Vue.prototype.$echarts = echarts 3.创建组件 <template> <div id="echarts

1.安装echarts依赖
 npm install echarts -S 或cnpm install echarts -S 
2.全局引用
 // main.js引入echarts
 import echarts from ‘echarts’ //有时语法报错 或使用 import * as echarts from ‘echarts’
 Vue.prototype.$echarts = echarts 
3.创建组件 
<template>
  <div id="echarts">
    <div >
      <div>
        <div id="myChart" :style="{ width: '600px', height: '300px' }"></div>
      </div>
    </div>
  </div>
</template>
<script>
import * as echarts from 'echarts'
import { getarrival } from '@/api/product'    //调用后台接口
export default {
  name: 'Echarts',
  data() {
    return {
      dataList: [],
     obj:{
     id:1
        }
            }
    },
  mounted() {
    this.drawLine()
  },
  methods: {
    drawLine() {
      getarrival(this.obj).then((res) => {
        this.dataList = res.data.data.arrivel_later_result.bar     //接口返回数据赋值this.dataList
        // 基于准备好的dom，初始化echarts实例
        let myChart = echarts.init(document.getElementById('myChart'))
        // 绘制图表
        myChart.setOption({
          title: {
            text: this.dataList.title.text,
            subtext: this.dataList.title.subtext,
            left: this.dataList.title.left
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'shadow'
            }
          },
          xAxis: {
            type: 'category',
            data: this.dataList.xAxis.data
          },
          yAxis: {
            type: 'value'
            // boundaryGap: [0, 0.01]
          },
          series: [
            {
              name: '迟到占比',
              type: 'bar',
              barWidth: 30, //柱图宽度
              data: this.dataList.series[0].data
            }
          ]
        })
      })
    },
 
  }
}
</script>
 
4.效果实现

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vue项目Echarts柱状图动态渲染效果

2020-07-16 13:31:02

">section> div> template> js部分： <script> import echarts from 'echarts' // 旧版引入 // import * as echarts from 'echarts' // 新版5.0以上引入 export default { data() { return { // 不同的数据格式 bar...

案例一：堆叠柱状图 
html写法: 
<template>
  <div>
    <section ref="barChart" style="width: 50%; height: 500px;"></section>
    <section ref="echartsRef" style="width: 50%; height: 500px;"></section>
  </div>
</template>
 
 
js部分： 
<script>
import echarts from 'echarts' // 旧版引入
// import * as echarts from 'echarts' // 新版5.0以上引入
export default {
  data() {
    return {
    // 不同的数据格式
      barChartData: {
        date: ['2020-07-10', '2020-07-11', '2020-07-12', '2020-07-13', '2020-07-14', '2020-07-15', '2020-07-16'],
        data: [[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [6, 4, 7, 7, 8], [1, 4, 1, 1, 2], [0, 0, 0, 0, 0]],
        legend: ['服务态度', '运输及时性', '运输清洁密封情况', '车容状况', '收费情况']
      },
      echartsData: {
        series: [{
          compare: ['503.36', '-349.87', '-867.99', '1001.43', '341.07', '202.36', '-401.90', '251.79', '-393.55', '473.63', '-14.26', '-54.32', '641.95', '-55.37', '-168.05', '30.26'],
          data: ['2188.61', '1838.74', '970.75', '1972.18', '2313.25', '2515.61', '2113.71', '2365.51', '1971.95', '2445.59', '2431.32', '2377.01', '3018.95', '2963.59', '2795.53', '2825.80'],
          name: '厨余垃圾',
          unit: 'kg'
        },
        {
          compare: ['3.05', '1.25', '12.16', '-2.76', '2.54', '14.46', '-20.30', '-10.41', 0, 0, 0, 0, 0, 0, 0, 0],
          data: ['3.05', '4.30', '16.46', '13.71', '16.25', '30.70', '10.41', 0, 0, 0, 0, 0, 0, 0, 0, 0],
          name: '有害垃圾',
          unit: 'kg'
        },
        {
          compare: ['867.37', '-430.15', '-1473.19', '1836.36', '516.63', '291.83', '-590.19', '441.96', '-886.80', '1047.65', '-40.95', '-51.91', '947.67', '203.41', '-654.44', '-265.55'],
          data: ['3576.51', '3146.36', '1673.17', '3509.53', '4026.16', '4317.99', '3727.80', '4169.77', '3282.96', '4330.62', '4289.66', '4237.75', '5185.42', '5388.83', '4734.39', '4468.84'],
          name: '其他垃圾',
          unit: 'kg'
        },
        {
          compare: [0, 0, 0, 0, 0, 0, 0, '2.30', '-2.30', '1.00', '-1.00', 0, 0, 0, 0, 0],
          data: [0, 0, 0, 0, 0, 0, 0, '2.30', 0, '1.00', 0, 0, 0, 0, 0, 0
          ],
          name: '可回收物',
          unit: 'kg'
        }],
        xAxis: ['2020-07-01', '2020-07-02', '2020-07-03', '2020-07-04', '2020-07-05', '2020-07-06', '2020-07-07', '2020-07-08', '2020-07-09', '2020-07-10', '2020-07-11', '2020-07-12', '2020-07-13', '2020-07-14', '2020-07-15', '2020-07-16']
      }
    }
  },
  mounted() {
    this.drawBarChart(this.barChartData)
    this.drawEcharts(this.echartsData)
  },
  methods: {
    setColorArr() {
      const arr = ['#1fca3f', '#f90f1b', '#989898', '#0c23f5', '#c23531']
      return arr
    },
    drawBarChart(item) {
      let seriesList = []
      let legendData = []
      let xAxisDate = []
      // x轴数据
      item.date.map(e => {
        xAxisDate.push(e)
        return xAxisDate
      })
      // 柱状图数据
      let newArr = []
      item.data.forEach(item => {
          item.forEach((d, i) => {
            console.log(d)
            console.log(newArr[i])
              newArr[i] = newArr[i] || []
              newArr[i].push(d)
        })
      })
      // 图例数据
      item.legend.map((e, index) => {
        legendData.push(e)

        let seriesObj = {
          name: e,
          type: 'bar',
          stack: '总量',
          label: {
            normal: {
              position: 'insideRight'
            }
          },
          data: newArr[index]
        }
        seriesList.push(seriesObj)
      })
      let option = {
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            // 坐标轴指示器，坐标轴触发有效
            type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
          },
          formatter: par => {
            let mergeHtml = ''
            par.map(params => {
              mergeHtml +=
                params.marker +
                params.seriesName + '：' + parseInt(params.data * 100) / 100 + `（个）` + '<br>'
            })
            return mergeHtml
          }
        },
        legend: {
          data: legendData
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        yAxis: {
          type: 'value',
          name: '单位：个',
          axisLine: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisTick: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisLabel: {
            formatter: '{value}',
            textStyle: {
              color: '#000'
            }
          }
        },
        xAxis: {
          type: 'category',
          data: xAxisDate,
          axisLine: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisTick: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisLabel: {
            formatter: '{value}',
            textStyle: {
              color: '#000'
            }
          }
        },
        color: this.setColorArr(),
        series: seriesList
      }
      let barChart = echarts.init(this.$refs.barChart)
      barChart.setOption(option, true)
      window.addEventListener('resize', function() {
        barChart.resize()
      })
    },
    drawEcharts(item) {
      let groupName = []
      let seriesList = []
      item.series.map(e => {
        groupName.push(e.name)
        let seriesObj = {
          name: e.name,
          type: 'bar',
          stack: '总量',
          label: {
            normal: {
              position: 'insideRight'
            }
          },
          data: e.data
        }
        seriesList.push(seriesObj)
        console.log(seriesList)
      })
      let option = {
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            // 坐标轴指示器，坐标轴触发有效
            type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
          },
          formatter: par => {
            let mergeHtml = ''
            par.map((parItem, index) => {
              mergeHtml +=
                parItem.marker +
                parItem.seriesName +
                '：' +
                parseInt(parItem.data * 100) / 100 +
                `（${item.series[index].unit}）` +
                '<br>'
            })
            return mergeHtml
          }
        },
        legend: {
          data: groupName
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        yAxis: {
          type: 'value',
          axisLine: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisTick: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisLabel: {
            formatter: '{value}',
            textStyle: {
              color: '#000'
            }
          }
        },
        xAxis: {
          type: 'category',
          data: item.xAxis,
          axisLine: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisTick: {
            show: true,
            lineStyle: {
              color: '#999'
            }
          },
          axisLabel: {
            textStyle: {
              color: '#000'
            }
          }
        },
        color: this.setColorArr(),
        series: seriesList
      }
      let echartsRef = echarts.init(this.$refs.echartsRef)
      echartsRef.setOption(option, true)
      window.addEventListener('resize', function() {
        echartsRef.resize()
      })
    }
  }
}
</script>

 
 
案例二：多组数据，实现点击组内某一根柱子 

  
 
 js部分 
 
drawCan () {
		let dateArr = [] // x轴日期
        let finishedPercentageArr = [] // 完成率
        let finishCount = [] // 完成户数
        let unFinishCount = [] // 未完成户数
        let uncooperativeCount = [] // 不配合
        data.forEach(item => {
          dateArr.push(item.date)
          finishedPercentageArr.push(item.finished_percentage.replace('%', ''))
          finishCount.push(item.finished.count)
          unFinishCount.push(item.unfinished.count)
          uncooperativeCount.push(item.uncooperative.count)
        })

        // y轴刻度自适应
        let yLeft = finishCount.concat(unFinishCount).concat(uncooperativeCount)
        let yLinBarMaxLeft = Number(Math.max.apply(null, yLeft) * 1.5).toFixed(0)
        let yLinBarMaxRight = Number(Math.max.apply(null, finishedPercentageArr) * 1.5).toFixed(0)
        options = {
          color: ['#0f0', '#ff0', '#f00', '#00f'],
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: '',
              crossStyle: {
                color: '#999'
              }
            },
            formatter: (params) => {
              let html = ''
              params.map((item) => {
                let seriesName = item.seriesName
                let value = item.value
                // let unit = item.seriesName.indexOf('率') === -1 ? '' : '%' // 单位
                html += item.name + '</br>' + item.marker + seriesName + '：' + value + '%' + '<br/>'
              })
              return html
            }
          },
          legend: {
            data: ['完成户数', '未完成户数', '不配合', '完成率'],
            right: 100
            // formatter: params => {
            //   console.log('legend', params)
            // }
          },
          xAxis: [
            {
              type: 'category',
              data: dateArr,
              axisPointer: {
                type: 'shadow'
              }
            }
          ],
          yAxis: [
            {
              type: 'value',
              name: '街道完成户数',
              min: 0,
              max: yLinBarMaxLeft,
              axisLabel: {
                formatter: '{value}户'
              }
            },
            {
              show: false,
              type: 'value',
              name: '街道完成率',
              min: 0,
              max: yLinBarMaxRight,
              axisLabel: {
                formatter: '{value} %'
              }
            }
          ],
          series: [
            {
              name: '完成户数',
              type: 'bar',
              data: finishCount,
              emphasis: {
                focus: 'series'
              },
              tooltip: {
                trigger: 'item',
                formatter: params => {
                  let tipHtml = ''
                  let obj = data[params.dataIndex]
                  tipHtml = '<div>完成户数：' + obj.finished.count + '</div><div>常住户：' + obj.finished.long_term + '<div>租户：' + obj.finished.tenant + '</div>'
                  return tipHtml
                }
              }
            },
            {
              name: '未完成户数',
              type: 'bar',
              data: unFinishCount,
              emphasis: {
                focus: 'series'
              },
              tooltip: {
                trigger: 'item',
                formatter: params => {
                  let tipHtml = ''
                  let obj = data[params.dataIndex]
                  tipHtml = '<div>未完成户数：' + obj.unfinished.count + '</div><div>常住户：' + obj.unfinished.long_term + '<div>租户：' + obj.unfinished.tenant + '</div>'
                  return tipHtml
                }
              }
            },
            {
              name: '不配合',
              type: 'bar',
              data: uncooperativeCount,
              emphasis: {
                focus: 'series'
              },
              tooltip: {
                trigger: 'item',
                formatter: params => {
                  let tipHtml = ''
                  let obj = data[params.dataIndex]
                  tipHtml = '<div>未完成户数：' + obj.uncooperative.count + '</div><div>常住户：' + obj.uncooperative.long_term + '<div>租户：' + obj.uncooperative.tenant + '</div>'
                  return tipHtml
                }
              }
            },
            {
              name: '完成率',
              type: 'line',
              yAxisIndex: 1,
              data: finishedPercentageArr
              // tooltip: {
              //   trigger: 'item',
              //   formatter: params => {
              //     let tipHtml = ''
              //     let obj = data[params.dataIndex]
              //     tipHtml = '<div>完成率：' + obj.finished_percentage + '</div>'
              //     return tipHtml
              //   }
              // }
            }
          ]
        }
        let echartsDom = echarts.init(画布dom)
      	echartsDom.clear() // 清空画布
      	echartsDom.setOption(options)
}

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vue echarts柱状图封装

2020-05-23 16:45:06

echarts 柱状图vue封装 <template> <div class="bar" id="bar" /> </template> <script> // 自行引入echarts import echarts from 'echarts' export default { name: 'Bar', // 接收从...

效果 
 
echarts 柱状图vue封装 
<template>
	<div class="bar" id="bar" />
</template>

<script>
// 自行引入echarts
import echarts from 'echarts'

export default {
  name: 'Bar',
  // 接收从父组件传回的值
  props: ['getData'],
  data () {
    return {}
  },
  // 实时监听父组件传过来的值，进而执行drawBar方法，重绘柱状图
  watch: {
    getData: {
      handler (value) {
        this.drawBar(value)
      },
      deep: true
    }
  },
  mounted () {
    this.drawBar()
  },
  methods: {
    drawBar ({
      textTitle = '',
      nameTitle = '',
      xName = '',
      yName = '',
      nameArray = [],
      dataArray = [],
      colorArray = [],
      barWidth = '30%',
      showTopVal = false,
      xAxis = [
        {
          name: yName,
          type: 'category',
          data: nameArray,
          nameLocation: 'end',
          axisTick: {
            show: false
          },
          splitLine: {
            show: false // 去除网格线
          },
          axisLabel: {
            interval: 1,
            formatter: function (value) {
              let str = ''
              let num = 7 // 每行显示字数
              let valLength = value.length // 该项x轴字数
              let rowNum = Math.ceil(valLength / num) // 行数

              if (rowNum > 1) {
                for (let i = 0; i < rowNum; i++) {
                  let temp = ''
                  let start = i * num
                  let end = start + num

                  temp = value.substring(start, end) + '\n'
                  str += temp
                }
                return str
              } else {
                return value
              }
            }
          },
          nameTextStyle: {
            padding: [30, 0, 0, -30]
          }
        }
      ],
      dataZoom = [],
      grid = {
        left: 20,
        right: 20,
        bottom: 20,
        top: 80,
        containLabel: true
      }
    } = {}) {
      let barBox = echarts.init(document.getElementById('bar'))
      let option = {
        title: {
          text: textTitle,
          left: 'center',
          top: 10,
          textStyle: {
            color: '#333',
            fontSize: '18',
            fontWeight: 'bolder'
          }
        },
        grid: grid,
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow'
          }
        },
        dataZoom: dataZoom,
        xAxis: xAxis,
        yAxis: [
          {
            axisLine: { show: false },
            name: xName,
            type: 'value'
            // axisLabel: {
            //   formatter: value => (value + '元')
            // }
          }
        ],
        series: [
          {
            name: nameTitle,
            type: 'bar',
            barWidth: barWidth,
            data: dataArray,
            label: {
              show: showTopVal, // 开启显示
              position: 'top', // 在上方显示
              textStyle: { // 数值样式
                color: '#333333',
                fontSize: 12
              }
            },
            itemStyle: {
              normal: {
                color: function (params) {
                  const colorList = colorArray
                  return colorArray.length > 0 ? colorList[params.dataIndex] : '#EA8187'
                }
              }
            }
          }
        ]
      }
      barBox.setOption(option, true)
    }
  }
}
</script>

 
使用 
<template>
      <div>
       <--宽度，高度-->
        <bar :get-data="objectData" id="barId" style="height: 250px"></bar >
      </div>
</template>
<script>
import Bar from '@/components/bar'

export default {
  components: {
    Bar
  },
   data ()  {
	   return {
	       objectData: {
			       	textTitle: '',
			        nameTitle: '',
			        nameArray: [],
			        dataArray: [],
			        colorArray: []
     		 }
	  	 }
     }
</script>

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在vue中实现 echarts柱状图 Y轴渐变色
千次阅读 2019-04-25 17:29:31
在vue中实现echarts柱状图Y轴渐变色在vue中实现echarts柱状图渐变色一:安装二: 创建图表全局引入最终结果在vue中实现echarts柱状图渐变色一:安装 1. 首先需要安装echarts依赖包 npm install echarts -S 2. 或者...
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vue通过组件，按需引入echarts 柱状图 （全网最简单写法）
2021-09-04 02:42:23
1.首先定义一个子组件.vue文件 <template> <div> <div style="width: 500px; height: 500px" ref="chart"></div> </div> </template> <script> const echarts = ...
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Echarts 柱状图横向排版颜色渐变---实现效果详解(vue+Echarts实现)
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此文章讲解 Echarts 在 vue 开发中的使用方式以及实现效果的 demo (Echarts 柱状图横向排版颜色渐变效果)示例展示; 如有疑问或者不清楚的欢迎随时提问。废话不多说, 直接上代码以及图例 (为了让大家方便阅读, 都有...
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前端 javascript
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vue 引入Echarts（1）下载Echarts（2）全局引入Echarts（3）创建一个图表（1）下载Echarts WebStorm打开创建好的vue项目，接下来，打开cmd，下载Echarts： npm install echarts -S （2）全局引入Echarts 在/src/...
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vue 引入echarts并切换柱状折线图，改变折线的颜色
2020-11-27 14:38:22
Vue.prototype.$echarts = echarts 3.创建一个vue页面 <template> <DIV> <el-card id="main" style="width:32.5%;height:1.7rem;"></el-card> </DIV> </template&
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vue引入echarts圆环图等各种图表方法-----入门
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// 引入echarts import echarts from 'echarts' Vue.prototype.$echarts = echarts 3.模版引入柱形图（此处为模版演示）圆环在下面介绍怎么更改 export default { name: 'hello', data...
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2020-05-07 22:06:03
这里写目录标题tooltipMixin.jstest.vue三级目录 tooltipMixin.js require('echarts/lib/chart/bar') // 引入提示框和标题组件 require('echarts/lib/component/tooltip') require('echarts/lib/component/title') ...
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2021-05-06 09:57:35
vue引入echarts图表根据接口请求获取数据下载echarts npm i echarts -S main.js引入echarts Vue.use(echarts); Vue.prototype.$echarts = echarts; 1.html 命名id 在带有id的盒子上进行绘制图表 <div class=...
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数据可视化 javascript js
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2020-10-20 15:46:31
在main.js中引入echarts import echarts from ‘echarts’ Vue.prototype.$echarts = echarts 创建板块 <div class="echartsLeft1 echart"> <div class="HelloWorld echart-box" id="myChart1" >&...
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css
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安装echarts依赖 npm install echarts -S1 或者使用国内的淘宝镜像：安装 npm install -g cnpm --registry=https://registry.npm.taobao.org1 使用 cnpm install echarts -S1 ...// 引入echarts imp
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vue-echarts--混色柱状图
千次阅读 2018-08-04 14:10:21
本文简单介绍如何使用vue-echarts画出多种颜色的柱状图：搭建vue-cli 脚手架安装vue-echarts依赖 引入vue-echarts 绘制图表搭建vue-cli 脚手架 1.安装 vue（推荐使用淘宝镜像cnpm替换npm进行安装） ...
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vue 引入 echarts 图表
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1：npm install echarts --...import echarts from 'echarts/lib/echarts'// 引入提示框组件、标题组件、工具箱组件。import 'echarts/lib/component/tooltip'import 'echarts/lib/component/title'import 'echarts...
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2019-02-26 21:07:31
什么是ECharts？ Echarts 商业级数据图表，它是一个纯JavaScript的图标库，兼容绝大部分的浏览器，底层依赖轻量级的canvas类库...有折线图（区域图）、柱状图（条状图）、散点图（气泡图）、K线图、饼图（环形图...
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安装echarts插件： ...接下来创建放置柱状图的容器： <div id='chart' style="width:100%;height:300px"></div> JS mounted方法中执行初始化echart的方法(这里我加了一个延时方法确保..
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javascript

vue封装echarts柱状图

在vue中 echarts 柱状图调后台接口

vue项目Echarts柱状图动态渲染效果

案例一：堆叠柱状图

html写法:

js部分：

案例二：多组数据，实现点击组内某一根柱子

vue echarts柱状图封装

效果

echarts 柱状图vue封装

使用

在vue中实现 echarts柱状图 Y轴渐变色

vue通过组件，按需引入echarts 柱状图（全网最简单写法）

Echarts 柱状图横向排版颜色渐变---实现效果详解(vue+Echarts实现)