vue使用echarts实现水平柱形图实例

 const dtuEdition = { name: '有方有线', number: 60, proportion: 40, edition: { '有方有线V1.0.0': 20, '有方有线V1.2.0': 15, '有方有线V2.0.1': 10, '有方有线V3.0.0': 8, '有方有线V3.2.0': 5, '有方有线V3.4.0': 4, '有方有线V4.0.0': 3, '有方有线V4.0.2': 2, '有方有线V4.0.3': 1 } } export default { namespaced: true, // 用于在全局引用此文件里的方法时标识这一个的文件名 dtuEdition } 

 // DTU连接率bar图的option let barOption = { grid: { // width: '85%', // 设置gird宽度 left: 40, // gird距离容器左边距 right: 65, top: 20, bottom: 0, containLabel: true }, xAxis: { show : false, // 不显示横轴 type: 'value', max: 1000, // 横轴最大值 }, yAxis: { type: 'category', data: [], axisLine: { show: false }, axisTick: { show: false }, splitLine: { show: false } }, series: [{ type: 'bar', stack: 'chart', z: 3, itemStyle: { normal: { color: '#a7c7e9' } }, data: [] }, { type: 'bar', stack: 'chart', silent: true, label: { normal: { formatter: (params) => { // console.log(params) return barOption.xAxis.max-params.value }, color: '#666666', position: 'right', distance: 10, show: true } }, itemStyle: { normal: { color: '#f3f3f6' } }, barWidth : 10,//柱图宽度 data: [] }] } // 设置y轴标签 export function setYAxisData(edition) { let data = [] for (let key in edition) { data.push(key) } barOption.yAxis.data = data.reverse() console.log(barOption.yAxis.data) } // 设置x轴最大值 export function setXAxisMax(number) { barOption.xAxis.max = number } // 设置series的data数据 export function setSeriesData(edition, number) { let data0 = [] let data1 = [] for(let key in edition) { data0.push(edition[key]) data1.push(number - edition[key]) } barOption.series[0].data = data0.reverse() barOption.series[1].data = data1.reverse() } export default { barOption, setYAxisData, setXAxisMax, setSeriesData } 

 >```javascript // 引入echarts import echarts from 'echarts' Vue.prototype.$echarts = echarts

 export default { data(){ return {} }, mounted(){ this.myChart() //函数调用 }, methods:{ myChart(){ let myChart= this.$echarts.init(document.getElementById('myChart')); // var colors = ['rgba(15,115,255,0.6)', 'rgba(15,235,255,0.6)']; var data1 = [350, 250, 170, 360, 240]; var data2 = [187, 146, 129, 174,245]; var xData = ['3.12','3.13','3.14','3.15','3.16'] rightBtns.setOption({ // backgroundColor:'#fff', tooltip: { trigger: "axis", // formatter: '{b}
{a1}-违规率:{c1}
{a0}-违规率:{c0}', axisPointer: { type: "shadow", textStyle: { color: "#fff" } }, }, grid: { top: '8%', right: '8%', bottom: '60%' }, legend: { data: ['省内', '省外'], align: 'left', left: '30%', top: '4%', textStyle:{ color:'#fff' } }, calculable: true, xAxis: [{ type: "category", data: xData, axisLine: { lineStyle: { color: 'rgba(255,255,255,0.1)' }, }, axisLabel: { show: true, textStyle: { color: '#fff' } }, }], yAxis: { type: 'value', // name:'单位:(人次 )', min: 0, max: 500, interval: 100, axisLine: { lineStyle: { color: 'rgba(255,255,255,0.1)' } }, splitLine: { lineStyle: { type: 'dashed', }, show:false }, axisLabel: { show: true, textStyle: { color: '#fff' } }, }, series: [{ name: '省内', type: 'bar', // color: colors[0], data: data1, itemStyle:{ normal: { //每个柱子的颜色即为colorList数组里的每一项,如果柱子数目多于colorList的长度，则柱子颜色循环使用该数组 //此处的箭头函数是为了不改变this的指向 color: (params) => { var index = params.dataIndex; var colorList = [ // 渐变颜色的色值和透明度 //双柱状图渐变的 第一个柱子的渐变色['rgba(15,235,255,0)','rgba(15,235,255,0)','rgba(15,235,255,0)','rgba(15,235,255,0)','rgba(15,235,255,0)'], ['rgba(15,235,255,0.6)','rgba(15,235,255,0.6)','rgba(15,235,255,0.6)','rgba(15,235,255,0.6)','rgba(15,235,255,0.6)'] ]; if(params.dataIndex >= colorList.length){ index=params.dataIndex-colorList.length; } //方法一: //不使用箭头函数的写法改变渐变色 // return { // colorStops: [{ //  offset: 0, //颜色开始的位置 //  color: colorList[0][index] // 0% 处的颜色 // },{ //  offset: 0.6, //颜色结束的位置 //  color: colorList[1][index] // 100% 处的颜色 // }] // } //方法二:使用箭头函数的写法 改变双柱状图的渐变颜色 return new this.$echarts.graphic.LinearGradient(0,0,0,1,[ {offset: 0.2, color: colorList[1][index]}, {offset: 1, color: colorList[0][index]} ]) } } } }, { name: '省外', type: 'bar', // color: colors[1], data: data2, itemStyle:{ normal: { //每个柱子的颜色即为colorList数组里的每一项,如果柱子数目多于colorList的长度，则柱子颜色循环使用该数组 color: (params) => { var index = params.dataIndex; var colorList = [ // 渐变颜色的色值和透明度 //双柱状图渐变的 渐变第二个柱子的渐变色['rgba(15,115,255,0)','rgba(15,115,255,0)','rgba(15,115,255,0)','rgba(15,115,255,0)','rgba(15,115,255,0)'], ['rgba(15,115,255,0.6)','rgba(15,115,255,0.6)','rgba(15,115,255,0.6)','rgba(15,115,255,0.6)','rgba(15,115,255,0.6)'] ]; //方法一: //不使用箭头函数的写法改变渐变色 // return { // colorStops: [{ //  offset: 0, //  color: colorList[0][index] // 0% 处的颜色 // },{ //  offset:0.6, //  color: colorList[1][index] // 100% 处的颜色 // }] // } //方法二:使用箭头函数的写法 改变双柱状图的渐变颜色 return new this.$echarts.graphic.LinearGradient(0,0,0,1,[ {offset: 0.2, color: colorList[1][index]}, {offset: 1, color: colorList[0][index]} ]) } } } }] }) } } }