// 获取容器尺寸
const w = document.documentElement.clientWidth - 20
const h =document.documentElement.clientHeight -30
// 默认设置数据值
const baseValue = 3
// 描述信息
const baseText = '安全风险等级'
// 等级
let baseGrade = '较低'
if (baseValue <= 3) {
baseGrade = '较低'
} else if (baseValue <= 7) {
baseGrade = '居中'
} else {
baseGrade = '较高'
}
// 边缘圆弧基础半径
const baseRadius0 = '69%'
const baseRadius1 = '74%'
// 边缘圆弧开始圆角圆心位置
// 边缘圆弧半径绝对值
let baseRadiusAbs0 = 0
let baseRadiusAbs1 = 0
let baseRadiusAbs = 0
if (w < h) {
baseRadiusAbs0 = w * baseRadius0.substr(0, baseRadius0.length - 1) / 100 / 2
baseRadiusAbs1 = w * baseRadius1.substr(0, baseRadius1.length - 1) / 100 / 2
} else {
baseRadiusAbs0 = h * baseRadius0.substr(0, baseRadius0.length - 1) / 100 / 2
baseRadiusAbs1 = h * baseRadius1.substr(0, baseRadius1.length - 1) / 100 / 2
}
baseRadiusAbs = (baseRadiusAbs0 + baseRadiusAbs1) / 2
// 开始圆角中心
const startCenterX = w / 2 - baseRadiusAbs
// 开始圆角半径
const startRadius = (baseRadiusAbs1 - baseRadiusAbs0) / 2
// 结束圆基底坐标x,y
const endBaseCenterX = w / 2 - baseRadiusAbs * Math.cos(baseValue / 10 * Math.PI)
const endBaseCenterY = h / 2 - baseRadiusAbs * Math.sin(baseValue / 10 * Math.PI)
// 边缘圆弧渐变色
let edgeGradient = [{
offset: 0,
color: '#02F7D7' // 0% 处的颜色
}, {
offset: 0.2,
color: '#09EAE2' // 20% 处的颜色
}, {
offset: 0.4,
color: '#22A2F9' // 40% 处的颜色
}, {
offset: 0.6,
color: '#2E43EB' // 60% 处的颜色
}, {
offset: 0.8,
color: '#A5107A' // 80% 处的颜色
}, {
offset: 1,
color: '#D20C58' // 100% 处的颜色
}]
if (baseValue <= 2) {
edgeGradient = [{
offset: 0,
color: '#02F7D7'
}, {
offset: 1,
color: '#09EAE2'
}]
} else if (baseValue <= 4) {
edgeGradient = [{
offset: 0,
color: '#02F7D7'
}, {
offset: 0.5,
color: '#09EAE2'
}, {
offset: 1,
color: '#22A2F9'
}]
} else if (baseValue <= 6) {
edgeGradient = [{
offset: 0,
color: '#02F7D7'
}, {
offset: 0.33,
color: '#09EAE2'
}, {
offset: 0.66,
color: '#22A2F9'
}, {
offset: 1,
color: '#2E43EB'
}]
} else if (baseValue <= 8) {
edgeGradient = [{
offset: 0,
color: '#02F7D7'
}, {
offset: 0.33,
color: '#09EAE2'
}, {
offset: 0.66,
color: '#22A2F9'
}, {
offset: 0.88,
color: '#2E43EB'
}, {
offset: 1,
color: '#A5107A'
}]
}
option = {
backgroundColor: '#000312',
title: {
text: '仪表盘',
textStyle: {
color: '#fff'
}
},
series: [
// 底部仪表
{
type: 'gauge',
startAngle: 180,
endAngle: 0,
min: 0,
max: 10,
splitNumber: 5,
axisLine: {
show: false
},
splitLine: {
length: 10,
lineStyle: {
width: 1
}
},
axisTick: {
splitNumber: 20,
length: 1,
lineStyle: {
color: '#4A90E2'
}
},
axisLabel: {
distance: -40,
formatter: function(value) {
let richIndex = 'a'
switch (value) {
case 0:
richIndex = 'a';
break;
case 2:
richIndex = 'b';
break;
case 4:
richIndex = 'c';
break;
case 6:
richIndex = 'd';
break;
case 8:
richIndex = 'e';
break;
case 10:
richIndex = 'f';
break;
}
return `{${richIndex}|${value}}`
},
rich: {
a: {
color: '#02F7D7'
},
b: {
color: '#09EAE2'
},
c: {
color: '#22A2F9'
},
d: {
color: '#2E43EB'
},
e: {
color: '#A5107A'
},
f: {
color: '#D20C58'
}
}
},
pointer: {
width: 60
},
itemStyle: {
color: '#023A79'
},
title: {
show: false
},
detail: {
show: false
},
data:[{
name: "完成率",
value: baseValue
}]
},
// 外层环形
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
startAngle: 200,
radius: ['55%', '74%'],
z: 1,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: 220,
itemStyle: {
color: {
type: 'linear',
x: 0,
y: 0,
x2: 1,
y2: 0,
colorStops: [{
offset: 0,
color: 'RGBA(8, 27, 63, 1)' // 0% 处的颜色
}, {
offset: 1,
color: 'rgba(0, 3, 18, 0.1)' // 100% 处的颜色
}],
global: false // 缺省为 false
}
}
}, {
value: 140,
itemStyle: {
color: 'rgba(0,0,0,0)'
}
}]
},
// 中层窄圆环
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
radius: ['50%', '55%'],
z: 10,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: 220,
itemStyle: {
color: 'RGBA(9, 27, 61, 1)'
}
}]
},
// 内部圆
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
radius: [0, '50%'],
z: 10,
labelLine: {
normal: {
show: false
}
},
// 模拟中间文字
label: {
show: true,
position: 'center',
formatter: function() {
return `{a|${baseValue}}\n{b|${baseGrade}}\n{c|${baseText}}`
},
rich: {
a: {
fontSize: 72,
color: '#fff'
},
b: {
fontSize: 13,
color: '#fff'
},
c: {
fontSize: 12,
color: '#fff'
}
}
},
silent: true,
data: [{
value: 220,
itemStyle: {
color: {
type: 'radial',
x: 0.5,
y: 0.5,
r: 0.5,
colorStops: [{
offset: 0,
color: 'rgba(0, 88, 170, 1)' // 0% 处的颜色
}, {
offset: .6,
color: 'rgba(2, 49, 108, 1)' // 50% 处的颜色
}, {
offset: 1,
color: 'rgba(3, 11, 48, 1)' // 100% 处的颜色
}],
global: false // 缺省为 false
}
}
}]
},
// 边缘圆弧
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
startAngle: 180,
radius: [baseRadius0, baseRadius1],
z: 1,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: baseValue,
itemStyle: {
color: {
type: 'linear',
x: 0,
y: 0,
x2: 1,
y2: 0,
colorStops: edgeGradient,
global: false // 缺省为 false
}
}
}, {
value: 20 - baseValue,
itemStyle: {
color: 'rgba(0,0,0,0)'
}
}]
},
// 边缘圆弧开始圆角
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
radius: [0, startRadius],
center: [w / 2 - baseRadiusAbs, '50%'],
z: 20,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: 100,
itemStyle: {
color: '#02F7D7'
}
}]
},
// 边缘圆弧结束圆白底
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
radius: [0, startRadius + 3],
center: [endBaseCenterX, endBaseCenterY + 1],
z: 20,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: 100,
itemStyle: {
color: '#fff'
}
}]
},
// 边缘圆弧结束圆红底
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
radius: [startRadius, startRadius + 3],
center: [endBaseCenterX, endBaseCenterY],
z: 20,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: 100,
itemStyle: {
color: edgeGradient[edgeGradient.length - 1].color
}
}]
},
// 边缘圆弧结束中间圆
{
type: 'pie',
hoverAnimation: false,
legendHoverLink: false,
radius: [0, startRadius - 2],
center: [endBaseCenterX, endBaseCenterY],
z: 20,
labelLine: {
normal: {
show: false
}
},
silent: true,
data: [{
value: 100,
itemStyle: {
color: edgeGradient[edgeGradient.length - 1].color
}
}]
}
]
};