如何用百度echarts做一个多样化时钟，有年月日时分秒星期。下面直接放js代码，如果有不懂的同学可以先了解一下ECharts入门教程。
option = {
tooltip: {
backgroundColor: '#fff',
borderColor: '#f5f5f5',
borderWidth: '1px',
textStyle: {
color: '#333'
},
formatter: function(param) {
var time = Math.floor(param.value);
if(param.seriesIndex === 0){
return '' + time + '点'
}
if(param.seriesIndex === 1){
return '星期' + time + ''
}
if(param.seriesIndex === 2){
return '' + time + '月'
}
if(param.seriesIndex === 4){
return '' + time + '点'
}
if(param.seriesIndex === 5){
return '' + time + '分'
}
if(param.seriesIndex === 6){
return '' + time + '秒'
}
}
},
backgroundColor: "rgba(0,0,0,0.1)",
series: [{ //小表盘24小时
name: '小时',
type: 'gauge',
center: ['32%', '50%'], // 默认全局居中
radius: '22%', //仪表盘半径
min: 0,
max: 24,
startAngle: 90,
endAngle: -269.9999,
splitNumber: 24,
animation: 0,
pointer: { //仪表盘指针
show: 1,
length: '90%',
width: 3
},
itemStyle: { //仪表盘指针样式
normal: {
color: '#00b0b0',
shadowColor: 'rgba(0, 0, 0, 0.5)',
shadowBlur: 10,
shadowOffsetX: 2,
shadowOffsetY: 2
}
},
axisLine: { //仪表盘轴线样式
lineStyle: {
color: [
[1, '#337ab7']
],
width: 6
}
},
splitLine: { //分割线样式
length: 6,
lineStyle: {
width: 1
}
},
axisTick: { //仪表盘刻度样式
show: 0,
splitNumber: 5, //分隔线之间分割的刻度数
length: 5, //刻度线长
lineStyle: {
color: ['#ffffff']
}
},
axisLabel: { //刻度标签
show: 1,
distance: 2, //标签与刻度线的距离
textStyle: {
color: '#0000ff'
},
formatter: function(t) {
switch (t + '') {
case '0':
return '';
case '1':
return '';
case '2':
return '';
case '3':
return '3';
case '4':
return '';
case '5':
return '';
case '6':
return '6';
case '7':
return '';
case '8':
return '';
case '9':
return '9';
case '10':
return '';
case '11':
return '';
case '12':
return '12';
case '13':
return '';
case '14':
return '';
case '15':
return '15';
case '16':
return '';
case '17':
return '';
case '18':
return '18';
case '19':
return '';
case '20':
return '';
case '21':
return '21';
case '22':
return '';
case '23':
return '';
case '24':
return '24';
}
}
},
title: { //仪表盘标题
show: 1,
offsetCenter: ['230%', '-200%'],
borderWidth: 2,
borderColor: '#337ab7',
backgroundColor: '#fff',
padding:[10,10,5],
textStyle: {
color: '#333',
fontSize: 24,
fontWeight: 'bold'
}
},
detail: { //仪表盘显示数据
show: 0,
formatter: '{value}',
offsetCenter: [0, '60%']
},
data: [{
name: ''
}]
},{ ///////////////////////////////////////////////小表盘星期
name: '星期',
type: 'gauge',
center: ['68%', '50%'], // 默认全局居中
radius: '22%', //仪表盘半径
min: 0,
max: 7,
startAngle: 90,
endAngle: -269.9999,
splitNumber: 7,
animation: 0,
pointer: { //仪表盘指针
show: true,
length: '80%',
width: 3
},
itemStyle: { //仪表盘指针样式
normal: {
color: '#00b0b0',
shadowColor: 'rgba(0, 0, 0, 0.5)',
shadowBlur: 10,
shadowOffsetX: 2,
shadowOffsetY: 2
}
},
axisLine: { //仪表盘轴线样式
lineStyle: {
color: [
[0.07, 'rgba(192, 0, 0, 0.5)'],
[0.21, 'rgba(0, 0, 192, 0.5)'],
[0.35, 'rgba(0, 64, 192, 0.5)'],
[0.50, 'rgba(0, 96, 192, 0.5)'],
[0.64, 'rgba(0, 164, 192, 0.5)'],
[0.78, 'rgba(0, 128, 64, 0.5)'],
[0.93, 'rgba(192, 128, 0, 0.5)'],
[1, 'rgba(192, 0, 0, 0.5)']
],
width: 18
}
},
splitLine: { //分割线样式
show: 0,
length: 18,
lineStyle: {
width: 1
}
},
axisTick: {
show: 0
}, //仪表盘刻度样式
axisLabel: { //刻度标签
show: 1,
distance: -15, //标签与刻度线的距离
textStyle: {
color: '#ffffff'
},
formatter: function(t) {
return ''
},
},
title: {
show: 0
}, //仪表盘标题
detail: {
show: 0
}, //仪表盘显示数据
data: [{}],
z: 0
}, { //小表盘月
name: '月份',
type: 'gauge',
center: ['50.5%', '70%'], // 默认全局居中
radius: '22%', //仪表盘半径
min: 0,
max: 12,
startAngle: 90,
endAngle: -269.9999,
splitNumber: 12,
animation: 0,
zlevel: 1,
pointer: { //仪表盘指针
show: 1,
length: '90%',
width: 3
},
itemStyle: { //仪表盘指针样式
normal: {
color: '#00b0b0',
shadowColor: 'rgba(0, 0, 0, 0.5)',
shadowBlur: 10,
shadowOffsetX: 2,
shadowOffsetY: 2
}
},
axisLine: { //仪表盘轴线样式
lineStyle: {
color: [
[1, '#337ab7']
],
width: 6
}
},
splitLine: { //分割线样式
show: 1,
length: 6,
lineStyle: {
width: 1
}
},
axisTick: {
show: 0
}, //仪表盘刻度样式
axisLabel: { //刻度标签
show: 1,
distance: 1, //标签与刻度线的距离
textStyle: {
color: '#0000ff',
fontFamily: '宋体'
},
formatter: function(t) {
switch (t + '') {
case '2':
return '2';
case '4':
return '4';
case '6':
return '6';
case '8':
return '8';
case '10':
return '10';
case '12':
return '12';
}
}
},
detail: {
show: 0
}, //仪表盘显示数据
data: [{}]
}, { ///////////////////////////////////////////////小表盘日
type: 'gauge',
center: ['38%', '72%'], // 默认全局居中
radius: '22%', //仪表盘半径
animation: 0,
pointer: {
width: 0
}, //仪表盘指针
axisLine: { //仪表盘轴线样式
lineStyle: {
show: 0,
width: 0
}
},
splitLine: {
show: 0
}, //分割线样式
axisTick: {
show: 0
}, //仪表盘刻度样式
axisLabel: {
show: 0
}, //刻度标签
detail: { //仪表盘显示数据
show: 1,
formatter: function(e) {
if (e < 10)
e = '0' + e;
return e;
},
offsetCenter: ['160%', 0],
borderWidth: 2,
borderColor: '#337ab7',
backgroundColor: '#fff',
height: 20,
width: 28,
textStyle: {
color: '#f60',
fontSize: 16,
fontWeight: 'bold'
},
},
data: [{}]
}, { ///////////////////////////////////////////////大表盘时针
name: '小时',
type: 'gauge',
radius: '90%', //仪表盘半径
min: 0,
max: 12,
startAngle: 90,
endAngle: -269.9999,
splitNumber: 12,
animation: 0,
pointer: { //仪表盘指针
length: '70%',
width: 6
},
itemStyle: { //仪表盘指针样式
normal: {
color: '#109A39',
shadowColor: 'rgba(0, 0, 0, 0.5)',
shadowBlur: 10,
shadowOffsetX: 2,
shadowOffsetY: 2
}
},
axisLine: { //仪表盘轴线样式
show: 0,
lineStyle: {
color: [
[1, '#337ab7']
],
width: 10,
shadowColor: 'rgba(0, 0, 0, 0.8)',
shadowBlur: 12,
shadowOffsetX: 3,
shadowOffsetY: 3
}
},
splitLine: { //分割线样式
length: 10,
lineStyle: {
width: 2
}
},
axisTick: { //仪表盘刻度样式
show: true,
splitNumber: 5, //分隔线之间分割的刻度数
length: 5, //刻度线长
lineStyle: {
color: ['#ffffff']
}
},
axisLabel: {
show: 0
}, //刻度标签
title: {
show: 0
}, //仪表盘标题
detail: {
show: 0
}, //仪表盘显示数据
data: [{}]
}, { ///////////////////////////////////////////////大表盘分针
name: '分钟',
type: 'gauge',
radius: '90%', //仪表盘半径
min: 0,
max: 60,
startAngle: 90,
endAngle: -269.9999,
splitNumber: 12,
animation: 0,
pointer: { //仪表盘指针
length: '85%',
width: 6
},
itemStyle: { //仪表盘指针样式
normal: {
color: '#ca8622',
shadowColor: 'rgba(0, 0, 0, 0.5)',
shadowBlur: 10,
shadowOffsetX: 2,
shadowOffsetY: 2
}
},
axisLine: { //仪表盘轴线样式
show: 0,
lineStyle: {
width: 0
}
},
splitLine: { //分割线样式
length: 10,
lineStyle: {
width: 2
}
},
axisTick: { //仪表盘刻度样式
show: true,
splitNumber: 5, //分隔线之间分割的刻度数
length: 5, //刻度线长
lineStyle: {
color: ['#ffffff']
}
},
axisLabel: {
show: 0
}, //刻度标签
title: {
show: 0
}, //仪表盘标题
detail: {
show: 0
}, //仪表盘显示数据
data: [{}]
}, { ///////////////////////////////////////////////大表盘秒针
name: '秒',
type: 'gauge',
radius: '90%', //仪表盘半径
min: 0,
max: 60,
startAngle: 90,
endAngle: -269.9999,
splitNumber: 12,
animation: 0,
pointer: { //仪表盘指针
show: true,
length: '95%',
width: 4
},
itemStyle: { //仪表盘指针样式
normal: {
color: '#00b0b0',
shadowColor: 'rgba(0, 0, 0, 0.8)',
shadowBlur: 10,
shadowOffsetX: 4,
shadowOffsetY: 4
}
},
axisLine: { //仪表盘轴线样式
lineStyle: {
color: [
[1, '#337ab7']
],
width: 10
}
},
splitLine: { //分割线样式
length: 10,
lineStyle: {
width: 2
}
},
axisTick: { //仪表盘刻度样式
show: 1,
splitNumber: 5, //分隔线之间分割的刻度数
length: 5, //刻度线长
lineStyle: {
color: ['#fff']
}
},
axisLabel: { //刻度标签
show: 1,
distance: 10, //标签与刻度线的距离
textStyle: {
fontWeight: '500',
fontSize: 22
},
formatter: function(t) {
switch (t + '') {
case '0':
return '';
case '5':
return '1';
case '10':
return '2';
case '15':
return '3';
case '20':
return '4';
case '25':
return '5';
case '30':
return '6';
case '35':
return '7';
case '40':
return '8';
case '45':
return '9';
case '50':
return '10';
case '55':
return '11';
case '60':
return '12';
}
}
},
title: {
show: 0
}, //仪表盘标题
detail: { //仪表盘显示数据
show: 0,
formatter: '{value}',
offsetCenter: [0, '60%']
},
data: [{}]
},
{ //////// 汉字星期标注
name: '汉字星期',
type: 'pie',
hoverAnimation: false,
center: ['68%', '50%'],
radius: ['15%', '22.5%'],
startAngle: 64.28,
label: {
normal: {
show: false,
position: 'inside'
}
},
labelLine: {
normal: {
show: false
}
},
markPoint: {
symbolSize: 1,
label: {
normal: {
show: true,
formatter: function(t){
return t.name
}
}
},
data: [
{
name: '星期日',
x: '68%',
y: '41%'
},
{
name: '星期一',
x: '73%',
y: '44.5%',
label: {
normal: {
rotate: -51.42
}
}
},
{
name: '星期二',
x: '74%',
y: '52%',
label: {
normal: {
rotate: -102.84
}
}
},
{
name: '星期三',
x: '70.5%',
y: '58.5%',
label: {
normal: {
rotate: -154.28
}
}
},
{
name: '星期四',
x: '65.3%',
y: '58%',
label: {
normal: {
rotate: -205.7
}
}
},
{
name: '星期五',
x: '62%',
y: '52%',
label: {
normal: {
rotate: -257.12
}
}
},
{
name: '星期六',
x: '63.2%',
y: '44.2%',
label: {
normal: {
rotate: 51.46
}
}
}
]
},
data: [
{name: '星期日', value: 1},
{name: '星期一', value: 1},
{name: '星期二', value: 1},
{name: '星期三', value: 1},
{name: '星期四', value: 1},
{name: '星期五', value: 1},
{name: '星期六', value: 1},
],
z: 1
}
]
};
myChart.setOption(option);
clearInterval(timeTicket);
var timeTicket = setInterval(function() {
var datetime = new Date();
var year = datetime.getFullYear();
var month = datetime.getMonth() + 1;
var date = datetime.getDate();
var h = datetime.getHours();
var m = datetime.getMinutes();
var s = datetime.getSeconds();
var week = datetime.getDay();
var ms = datetime.getMilliseconds();
var minutes = m + s / 60;
var hours_24 = h + m / 60;
var hours_12;
if (hours_24 > 12){
hours_12 = hours_24 - 12;
}
else{
hours_12 = hours_24;
}
var seconds = s + ms / 1000;
var cur_mon = new Date(year, month, 0);
var cur_mon_count = cur_mon.getDate(); //当前月份总天数
var month = month + date / cur_mon_count;
if (month > 12){
month = month - 12;
}
var strmonth = datetime.getMonth() + 1;
var str = year
option.series[0].data[0].name = str;
option.series[0].data[0].value = (hours_24).toFixed(2);
option.series[1].data[0].value = (week).toFixed(0);
option.series[2].data[0].value = (month).toFixed(2);
option.series[3].data[0].value = (date).toFixed(0);
option.series[4].data[0].value = (hours_12).toFixed(2);
option.series[5].data[0].value = (minutes).toFixed(2);
option.series[6].data[0].value = (seconds).toFixed(2);
myChart.setOption(option, true);
}, 100);
function checktime(str){
if(str < 10){
return '0' + str;
}
return str;
}