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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="js/echarts.js"></script>
<script src="echartsMap/china.js"></script>
<script src="css/jquery-1.9.1.min.js"></script>
<script src="css/bootstrap.js"></script>
</head>
<body>
<div class="container" style="padding:0px;">
<div class="row">
<div class="col-md-12" id="main" style="height:800px;"/>
</div>
</div>
<script type="text/javascript">
/*为图表生成按钮*/
function beIcn(charts,functions){
// Draw icon
var zr = charts.getZr();
/*左边中间的按钮*/
var icon0 = new echarts.graphic.Circle({
shape: { r: 30 },
style: {
text: '返回',
fill: '#e0e0e0'
},
position: [50, zr.getHeight() * 1/2]
});
/*右边中间的按钮*/
var icon1 = new echarts.graphic.Circle({
shape: { r: 20 },
style: {
text: '>',
fill: '#eee'
},
position: [zr.getWidth() - 50, zr.getHeight() / 2]
});
var group = new echarts.graphic.Group();
group.add(icon0);
zr.add(group);
icon0.on('click',functions);
}
</script>
<script type="text/javascript">
/* 全局变量设置 */
var option={};
var chart = echarts.init(document.getElementById('main'));
var countryViewOption;/*首选项 */
var cityViewOption;
var province;
var city;
var provinces = ['shanghai', 'hebei','shanxi','neimenggu','liaoning','jilin','heilongjiang','jiangsu','zhejiang','anhui','fujian','jiangxi','shandong','henan','hubei','hunan','guangdong','guangxi','hainan','sichuan','guizhou','yunnan','xizang','shanxi1','gansu','qinghai','ningxia','xinjiang', 'beijing', 'tianjin', 'chongqing', 'xianggang', 'aomen'];
var provincesText = ['上海', '河北', '山西', '内蒙古', '辽宁', '吉林','黑龙江', '江苏', '浙江', '安徽', '福建', '江西', '山东','河南', '湖北', '湖南', '广东', '广西', '海南', '四川', '贵州', '云南', '西藏', '陕西', '甘肃', '青海', '宁夏', '新疆', '北京', '天津', '重庆', '香港', '澳门'];
/*省份钻取处理函数*/
function showProvince(data){
var nameNum = jQuery.inArray(data,provincesText); /* 判断数据是否包含数据返回index */
var name = provinces[nameNum];
$.get('echartsMap/provinceCity/' + name + '.json', function (geoJson) {/* 地图Json文件获取 */
echarts.registerMap(name, geoJson);/* 地图注册 */
chart.setOption(
option = {
tooltip: {
trigger: 'item',
formatter: '{b}'
},
geo:{
map: name,
animation: true,
// animationDurationUpdate: 1000,
// animationEasingUpdate: 'quinticInOut'
label: {
normal:{
show:false,
},
emphasis: {
show: true,
}
},
},
series:[
],
});
cityViewOption = chart.getOption()
window.onresize = chart.resize;
});
}
/*市级钻取处理函数*/
function showCity(data){
$.get('echartsMap/cityTown/' + data + '.json', function (geoJson) {/* 地图Json文件获取 */
echarts.registerMap(data, geoJson);/* 地图注册 */
chart.setOption(
option = {
tooltip: {
trigger: 'item',
formatter: '{b}'
},
geo:{
map: data,
silent:false,/*无鼠标等事件*/
/*animation: true*/
// animationDurationUpdate: 1000,
// animationEasingUpdate: 'quinticInOut'
},
series:[
],
});
window.onresize = chart.resize;
});
}
/*首选项*/
option = {
title:{
text:"基于Echarts的地图钻取(精确到县级)",
left:'center',
top:15,
},
tooltip: {
trigger: 'item',
formatter: '{b}'
},
geo: /* 地图基础坐标系 */
{
map:'china',
/* roam:'move', *//* 鼠标缩放和平移漫游 */
},
series:[
],
};
/*结束基础首选项*/
window.onresize = chart.resize;/* 根据屏幕调整宽度 */
chart.setOption(option);/*设置选项*/
countryViewOption = chart.getOption();/*取得基础视图省级内容全局变量 */
bindClick();
function bindClick(){
/* 全局鼠标事件绑定 */
chart.on('click', function (params) {
var dataName = params.name;/*区域名称*/
if((jQuery.inArray(dataName,provincesText))!=-1){/*省级点击触发*/
showProvince(dataName);/* 展示省级内容 */
/*var dom = chart.getDom();*/
province = dataName;/*全局省份名称变量*/
beIcn(chart,function(params){/*添加返回省级视图按钮*/
exitProvice();
});
}else{
$.ajax({/*判断JSON文件是否存在*/
url:'echartsMap/cityTown/' + dataName + '.json',
async:false,
error: function() {
/*JSON文件不存在触发*/
beIcn(chart,function(params){/*添加返回省级视图按钮*/
exitBView(dataName);
});
},
success: function() {
/*JSON文件存在触发*/
city = dataName;
showCity(city);/* 展示市级内容 */
beIcn(chart,function(params){
chart.setOption(cityViewOption);/*添加返回市级视图按钮*/
beIcn(chart, function(params) {
exitProvice();
});
});
}
});
}
});
}
function exitProvice(){
chart.dispose();/*返回省级视图时销毁实例时清除返回按钮*/
chart = echarts.init(document.getElementById('main'));
chart.setOption(countryViewOption);
window.onresize = chart.resize;
bindClick();
}
function exitBView(){
chart.dispose();/*返回省级视图时销毁实例时清除返回按钮*/
chart = echarts.init(document.getElementById('main'));
showCity(city);
beIcn(chart,function(params){
chart.setOption(cityViewOption);/*添加返回市级视图按钮*/
beIcn(chart, function(params) {
exitProvice();
});
})
window.onresize = chart.resize;
bindClick();
}
</script>
</body>
</html>