echarts 44%饼图

let dataval = {
value: 50,
name: "进度"
};
option = {
title: {
text: dataval.value + "%",
x: "center",
y: "center",
textStyle: {
fontWeight: "bold",
fontSize: 56,
color: "#fff"
}
},
data: [{
name: dataval.name
}],
series: [{
type: "pie",
radius: ["50%", "80%"],
startAngle: 225,
color: [{
type: "linear",
x: 1,
y: 0,
x2: 0,
y2: 0,
colorStops: [{
offset: 0,
color: "rgba(255, 171, 29, 1)" // 0% 处的颜色
},
{
offset: 1,
color: "rgba(255, 171, 29, 1)" // 100% 处的颜色
}
]
},
"transparent"
],
hoverAnimation: false,
legendHoverLink: false,
z: 10,
labelLine: {
normal: {
show: false
}
},
data: [{
value: (75 * dataval.value) / 100
},
{
value: 100 - (75 * dataval.value) / 100
}
]
},
{
// 背景圆环
name: "",
type: "pie",
radius: ["50%", "80%"],
silent: true,
startAngle: 225,
labelLine: {
normal: {
show: false
}
},
z: 5,
data: [{
value: 75,
itemStyle: {
color: "#1A3B4C",
borderColor: "rgba(255, 171, 29, 1)"
}
},
{
value: 25,
itemStyle: {
color: "transparent"
}
}
]
},
{
// 底部
name: "",
type: "pie",
radius: ["50%", "80%"],
// center: ['50%', '60%'] ,
startAngle: 230,
labelLine: {
show: false
},
z: 15,
silent: true,
label: {
show: true,
rich: {
a: {
color: "#fff",
fontSize: 12,
padding: [0, -35, -65, 0]
},
b: {
color: "#fff",
fontSize: 12,
padding: [0, 0, -50, -45]
}
},
formatter: function(val) {
// 底部0和100
if (val.dataIndex === 0) {
return "{a|0}";
}
if (val.dataIndex === 2) {
return "{b|100}";
}
}
},
data: [{
// 底部两条线
value: 1,
itemStyle: {
color: "rgba(255, 171, 29, 1)"
}
},
{
value: 800,
itemStyle: {
color: "transparent"
}
},
{
value: 1,
itemStyle: {
color: "rgba(255, 171, 29, 1)"
}
},
{
value: 230,
itemStyle: {
color: "transparent"
}
}
]
},
{
// 背景
name: "",
type: "pie",
cursor: "default",
radius: ["0", "90%"],
// center: ['50%', '60%'] ,
hoverAnimation: false,
legendHoverLink: false,
itemStyle: {
color: {
type: "linear",
x: 0,
y: 0,
x2: 0,
y2: 1,
colorStops: [{
offset: 0,
color: "rgba(255, 171, 29, .8)" // 0% 处的颜色
},
{
offset: 1,
color: "rgba(255, 171, 29, 0)" // 100% 处的颜色
}
]
}
},
labelLine: {
normal: {
show: false
}
},
data: [{
value: 1
}]
},
{
// 中间圈
name: "",
z: 5,
type: "pie",
cursor: "default",
radius: ["40%", "40%"],
// center: ['50%', '60%'] ,
hoverAnimation: false,
legendHoverLink: false,
labelLine: {
normal: {
show: false
}
},
data: [{
value: 1,
itemStyle: {
normal: {
borderWidth: 1,
borderColor: {
type: "linear",
x: 0,
y: 0,
x2: 0,
y2: 1,
colorStops: [{
offset: 0,
color: "rgba(255, 171, 29, .8)" // 0% 处的颜色
},
{
offset: 1,
color: "rgba(255, 171, 29, 0)" // 100% 处的颜色
}
]
}
}
}
}]
}
]
};

标签：false,color,29,value,44%,rgba,echarts,171
来源： https://www.cnblogs.com/MrLie/p/15842036.html