- var imageDom = new Image(); // Image 构造函数
- imageDom.src = 'https://github.com/iuvc/magicJs/blob/main/public/images/issues/blue-white-background.jpg?raw=true';
- imageDom.alt = '测试';
- option = {
- title: {
- text: 'echarts 渐变',
- left: 'center'
- },
- tooltip: {
- trigger: 'item',
- formatter: '{a} <br/>{b} : {c} ({d}%)'
- },
- legend: {
- top: 40,
- left: 0,
- orient: 'vertical',
- data: [
- '线性渐变区域 LinearGradient',
- '径向渐变区域 RadialGradient',
- '线性渐变区域 ColorStep-linear',
- '径向渐变区域 ColorStep-radial',
- '图片显示'
- ]
- },
- series: [
- {
- name: 'Radius Mode',
- type: 'pie',
- radius: [20, '70%'],
- center: ['50%', '50%'],
- roseType: 'radius',
- itemStyle: {
- borderRadius: 5
- },
- label: {
- show: true
- },
- emphasis: {
- label: {
- show: true
- }
- },
- data: [
- {
- value: 40,
- name: '线性渐变区域 LinearGradient',
- itemStyle: {
- // 线性渐变方式一 ======================================================
- // LinearGradient前四个分参数别代表右,下,左,上,数值0-1
- color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
- {
- offset: 0,
- color: 'rgba(255,174,19,0.7)'
- },
- {
- offset: 1,
- color: 'rgba(255,174,19,0.05)'
- }
- ])
- }
- },
- {
- value: 40,
- name: '径向渐变区域 RadialGradient',
- itemStyle: {
- // 径向渐变方式一 ======================================================
- // RadialGradient前三个分参数别代表圆心(x,y),半径(数值0-1)
- color: new echarts.graphic.RadialGradient(0.5, 0.5, 0.8, [
- {
- offset: 0,
- color: 'rgba(255,154,119,1)'
- },
- {
- offset: 1,
- color: 'rgba(255,154,119,0.05)'
- }
- ])
- }
- },
- {
- value: 33,
- name: '线性渐变区域 ColorStep-linear',
- itemStyle: {
- // 线性渐变方式二 ======================================================
- // x,y,x2,y2数值同LinearGradient前四个参数分别代表右,下,左,上,数值0-1
- color: {
- type: 'linear',
- x: 0,
- y: 0,
- x2: 0,
- y2: 1,
- colorStops: [
- {
- offset: 0,
- color: 'rgba(60,216,208,0.7)' // 0% 处的颜色
- },
- {
- offset: 1,
- color: 'rgba(60,216,208,0.05)' // 100% 处的颜色
- }
- ],
- global: false // 缺省为 false
- }
- }
- },
- {
- value: 28,
- name: '径向渐变区域 ColorStep-radial',
- itemStyle: {
- // 径向渐变方式二 ======================================================
- // x 0.5 y 0.5 代表圆心,r 代表半径
- color: {
- type: 'radial',
- x: 0.5,
- y: 0.5,
- r: 0.9,
- colorStops: [
- {
- offset: 0,
- color: 'rgba(82,216,60, 0.7)' // 0% 处的颜色
- },
- {
- offset: 1,
- color: 'rgba(82,216,60, 0.05)' // 100% 处的颜色
- }
- ],
- global: false // 缺省为 false
- }
- }
- },
- {
- value: 22,
- name: '图片显示' ,
- itemStyle: {
- // 图片显示 ======================================================
- color: {
- image: imageDom, // 支持为 HTMLImageElement, HTMLCanvasElement,不支持路径字符串
- repeat: 'repeat' // 是否平铺,可以是 'repeat-x', 'repeat-y', 'no-repeat'
- }
- }
- }
- ]
- }
- ]
- };
- option = {
- title: {
- text: '渐变区域图'
- },
- tooltip: {
- trigger: 'axis',
- axisPointer: {
- type: 'cross',
- label: {
- backgroundColor: '#6a7985'
- }
- }
- },
- legend: {
- top: 15,
- data: [
- '线性渐变区域 LinearGradient',
- '线性渐变区域 ColorStep-linear',
- '径向渐变区域 ColorStep-radial',
- '径向渐变区域 RadialGradient'
- ]
- },
- grid: {
- top: 55,
- left: 45,
- right: 15,
- bottom: 25
- },
- xAxis: [
- {
- type: 'category',
- boundaryGap: true,
- axisLine: {
- show: false,
- onZero: true,
- lineStyle: {
- color: '#999999'
- }
- },
- splitLine: {
- show: false
- },
- axisTick: {
- show: false
- },
- data: [
- '00:00',
- '00:15',
- '00:30',
- '00:45',
- '01:00',
- '01:15',
- '01:30',
- '01:45',
- '02:00',
- '02:15',
- '02:30',
- '02:45',
- '03:00',
- '03:15',
- '03:30',
- '03:45',
- '04:00',
- '04:15',
- '04:30',
- '04:45',
- '05:00',
- '05:15',
- '05:30',
- '05:45',
- '06:00',
- '06:15',
- '06:30',
- '06:45',
- '07:00',
- '07:15',
- '07:30',
- '07:45',
- '08:00',
- '08:15',
- '08:30',
- '08:45',
- '09:00',
- '09:15',
- '09:30',
- '09:45',
- '10:00',
- '10:15',
- '10:30',
- '10:45',
- '11:00',
- '11:15'
- ]
- }
- ],
- yAxis: [
- {
- type: 'category',
- boundaryGap: true,
- axisLine: {
- show: false,
- onZero: true,
- lineStyle: {
- color: '#999999'
- }
- },
- splitLine: {
- show: false
- },
- axisTick: {
- show: false
- }
- }
- ],
- series: [
- {
- name: '线性渐变区域 LinearGradient',
- type: 'line',
- stack: '总量',
- data: [
- 1.67, 1.25, 1.02, 1.44, 1.81, 1.13, 1.58, 1.13, 1.56, 1.3, 1.9, 1.3,
- 1.55, 1.94, 1.69, 1.69, 1.8, 1.21, 1.29, 1.58, 1.04, 1.67, 1.07, 1.18,
- 1.57, 1.05, 1.63, 1.28, 1.28, 1.58, 1.88, 1.2, 1.63, 1.59, 1.43, 1.25,
- 1.68, 1.25, 1.12, 1.31, 1.6, 1.62, 1.57, 1.2, 1.02, 1.42, 1.91, 1.97,
- 1.32, 1.06, 1.3, 1.22, 1.74, 1.02, 1.75, 1.2
- ],
- areaStyle: {
- color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
- {
- offset: 0,
- color: 'rgba(255,174,19,0.7)'
- },
- {
- offset: 1,
- color: 'rgba(255,174,19,0.05)'
- }
- ])
- },
- itemStyle: {
- color: 'rgba(255,174,19,.1)'
- },
- lineStyle: {
- color: 'rgba(255,174,19,.1)'
- },
- smooth: true,
- smoothMonotone: 'x',
- symbol: 'circle'
- },
- {
- name: '线性渐变区域 ColorStep-linear',
- type: 'line',
- stack: '总量',
- data: [
- 2.31, 2.27, 1.64, 1.56, 1.75, 1.62, 2.18, 2.12, 1.97, 2.45, 2.39, 2.3,
- 1.78, 1.82, 1.82, 1.76, 1.78, 1.63, 1.54, 1.6, 1.61, 1.68, 1.67, 1.67,
- 2.34, 1.69, 2.18, 2.25, 2.44, 2.4, 1.97, 2.05, 2.05, 2.46, 1.62, 1.66,
- 1.66, 1.87, 1.59, 1.99, 2.45, 2.05, 1.53, 2.39, 1.77, 1.99, 2.14, 2.33,
- 1.55, 1.87, 1.65, 2.02, 1.68, 2.13, 1.88, 2.19
- ],
- areaStyle: {
- color: {
- type: 'linear',
- x: 0,
- y: 0,
- x2: 0,
- y2: 1,
- colorStops: [
- {
- offset: 0,
- color: 'rgba(60,216,208,0.7)' // 0% 处的颜色
- },
- {
- offset: 1,
- color: 'rgba(60,216,208,0.05)' // 100% 处的颜色
- }
- ],
- global: false // 缺省为 false
- }
- },
- itemStyle: {
- color: 'rgba(60,216,208,.1)'
- },
- lineStyle: {
- color: 'rgba(60,216,208,.1)'
- },
- smooth: true,
- smoothMonotone: 'x',
- symbol: 'circle'
- },
- {
- name: '径向渐变区域 RadialGradient',
- type: 'line',
- stack: '总量',
- label: {
- normal: {
- show: true,
- position: 'top'
- }
- },
- data: [
- 2.69, 2.47, 2.53, 3.31, 3.25, 3.12, 2.66, 2.58, 3.01, 3.21, 2.69, 2.72,
- 2.67, 3.34, 3.21, 2.79, 3.23, 3.07, 2.84, 2.46, 3.25, 2.92, 2.42, 2.61,
- 2.83, 3.29, 2.44, 3.38, 2.82, 2.56, 2.94, 2.42, 2.95, 2.82, 3.18, 2.6,
- 2.91, 3.07, 2.57, 2.45, 2.45, 2.94, 2.86, 3.12, 3.07, 3.02, 2.53, 2.64,
- 2.97, 2.62, 2.79, 2.68, 3.24, 3.38, 2.67, 3.17
- ],
- areaStyle: {
- color: new echarts.graphic.RadialGradient(0.5, 0.5, 0.8, [
- {
- offset: 0,
- color: 'rgba(255,154,119,.7)'
- },
- {
- offset: 1,
- color: 'rgba(255,154,119,0.05)'
- }
- ])
- },
- itemStyle: {
- color: 'rgba(255,154,119,.1)'
- },
- lineStyle: {
- color: 'rgba(255,154,119,.1)'
- },
- smooth: true,
- smoothMonotone: 'x',
- symbol: 'circle'
- },
- {
- name: '径向渐变区域 ColorStep-radial',
- type: 'line',
- stack: '总量',
- label: {
- normal: {
- show: true,
- position: 'top'
- }
- },
- data: [
- 2.79, 2.57, 2.63, 3.41, 3.35, 3.22, 2.76, 2.68, 3.11, 3.31, 2.79, 2.82,
- 2.77, 3.44, 3.31, 2.89, 3.33, 3.17, 2.94, 2.56, 3.35, 3.02, 2.52, 2.71,
- 2.93, 3.39, 2.54, 3.48, 2.92, 2.66, 3.04, 2.52, 3.05, 2.92, 3.28, 2.7,
- 3.01, 3.17, 2.67, 2.55, 2.55, 3.04, 2.96, 3.22, 3.17, 3.12, 2.63, 2.74,
- 3.07, 2.72, 2.89, 2.78, 3.34, 3.48, 2.77, 3.27
- ],
- areaStyle: {
- color: {
- type: 'radial',
- x: 0.5,
- y: 0.5,
- r: 0.9,
- colorStops: [
- {
- offset: 0,
- color: 'rgba(82,216,60, 0.7)' // 0% 处的颜色
- },
- {
- offset: 1,
- color: 'rgba(82,216,60, 0.05)' // 100% 处的颜色
- }
- ],
- global: false // 缺省为 false
- }
- },
- itemStyle: {
- color: 'rgba(82,216,60,.1)'
- },
- lineStyle: {
- color: 'rgba(82,216,60,.1)'
- },
- smooth: true,
- smoothMonotone: 'x',
- symbol: 'circle'
- }
- ]
- };
到此这篇关于echarts中几种渐变方式的具体实现的文章就介绍到这了,更多相关echarts渐变方式实现内容请搜索w3xue以前的文章或继续浏览下面的相关文章希望大家以后多多支持w3xue!