代码如下
myChart.showLoading();
$.get(ROOT_PATH +'/data/asset/geo/HK.json', function (geoJson) {
myChart.hideLoading();
echarts.registerMap('HK', geoJson);
myChart.setOption(option = {
title: {
text: '香港18区人口密度 （2011）',
subtext: '人口密度数据来自Wikipedia',
sublink:'http://zh.wikipedia.org/wiki/%E9%A6%99%E6%B8%AF%E8%A1%8C%E6%94%BF%E5%8D%80%E5%8A%83#cite_note-12'
},
tooltip: {
trigger: 'item',
formatter: '{b}
{c} (p / km2)'//气泡中的文字
},
toolbox: {
show: true,
orient: 'vertical',
left: 'right',
top: 'center',
feature: {
dataView: {readOnly: false},
restore: {},
saveAsImage: {}
}
},
visualMap: { //右侧数量控制
top: 10,
right: 10,
pieces: [{
gt: 0,
lte: 16000,
color: '#E0EBFF'
}, {
gt: 16000,
lte: 20000,
color: '#aac7ff'
}, {
gt: 20000,
lte: 100000,
color: '#73A5FE'
}],
outOfRange: {
color: '#999'
},
formatter: function (index) { //文字格式化
let text = ''
switch (index) {
case 0:
text = '少数区'
break;
case 16000:
text = '中间区'
break;
case 20000:
text = '多数区'
break;
default:
break;
}
return text; //范围标签显示内容。
}
},
series: [
{
name: '香港18区人口密度',
type: 'map',
mapType: 'HK', //自定义扩展图表类型
label: {
show: true
},
data: [
{name: '中西区', value: 20057.34},
{name: '湾仔', value: 15477.48},
{name: '东区', value: 31686.1},
{name: '南区', value: 6992.6},
{name: '油尖旺', value: 44045.49},
{name: '深水埗', value: 40689.64},
{name: '九龙城', value: 37659.78},
{name: '黄大仙', value: 45180.97},
{name: '观塘', value: 55204.26},
{name: '葵青', value: 21900.9},
{name: '荃湾', value: 4918.26},
{name: '屯门', value: 5881.84},
{name: '元朗', value: 4178.01},
{name: '北区', value: 2227.92},
{name: '大埔', value: 2180.98},
{name: '沙田', value: 9172.94},
{name: '西贡', value: 3368},
{name: '离岛', value: 806.98}
],
//自定义名称映射
nameMap: {
'Central and Western': '中西区',
'Eastern': '东区',
'Islands': '离岛',
'Kowloon City': '九龙城',
'Kwai Tsing': '葵青',
'Kwun Tong': '观塘',
'North': '北区',
'Sai Kung': '西贡',
'Sha Tin': '沙田',
'Sham Shui Po': '深水埗',
'Southern': '南区',
'Tai Po': '大埔',
'Tsuen Wan': '荃湾',
'Tuen Mun': '屯门',
'Wan Chai': '湾仔',
'Wong Tai Sin': '黄大仙',
'Yau Tsim Mong': '油尖旺',
'Yuen Long': '元朗'
}
}
]
});
});