echarts的图表为啥不能显示

horizon_zpy 2019-07-21 08:13:03

<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>ECharts</title>
</head>
<body>
<!-- 为ECharts准备一个具备大小(宽高)的Dom -->
<div id="main" style="height:400px"></div>
<!-- ECharts单文件引入 -->
<script src="http://echarts.baidu.com/build/dist/echarts-all.js"></script>
<script src="./china.js"></script>

<script type="text/javascript">
// 基于准备好的dom,初始化echarts图表
var myChart = echarts.init(document.getElementById('main'));



var chinaGeoCoordMap = {
'黑龙江': [127.9688, 45.368],
'内蒙古': [110.3467, 41.4899],
"吉林": [125.8154, 44.2584],
'北京市': [116.4551, 40.2539],
"辽宁": [123.1238, 42.1216],
"河北": [114.4995, 38.1006],
"天津": [117.4219, 39.4189],
"山西": [112.3352, 37.9413],
"陕西": [109.1162, 34.2004],
"甘肃": [103.5901, 36.3043],
"宁夏": [106.3586, 38.1775],
"青海": [101.4038, 36.8207],
"新疆": [87.9236, 43.5883],
"西藏": [91.11, 29.97],
"四川": [103.9526, 30.7617],
"重庆": [108.384366, 30.439702],
"山东": [117.1582, 36.8701],
"河南": [113.4668, 34.6234],
"江苏": [118.8062, 31.9208],
"安徽": [117.29, 32.0581],
"湖北": [114.3896, 30.6628],
"浙江": [119.5313, 29.8773],
"福建": [119.4543, 25.9222],
"江西": [116.0046, 28.6633],
"湖南": [113.0823, 28.2568],
"贵州": [106.6992, 26.7682],
"云南": [102.9199, 25.4663],
"广东": [113.12244, 23.009505],
"广西": [108.479, 23.1152],
"海南": [110.3893, 19.8516],
'上海': [121.4648, 31.2891]
};
var chinaDatas = [
[{
name: '黑龙江',
value: 0
}], [{
name: '内蒙古',
value: 0
}], [{
name: '吉林',
value: 0
}], [{
name: '辽宁',
value: 0
}], [{
name: '河北',
value: 0
}], [{
name: '天津',
value: 0
}], [{
name: '山西',
value: 0
}], [{
name: '陕西',
value: 0
}], [{
name: '甘肃',
value: 0
}], [{
name: '宁夏',
value: 0
}], [{
name: '青海',
value: 0
}], [{
name: '新疆',
value: 0
}],[{
name: '西藏',
value: 0
}], [{
name: '四川',
value: 0
}], [{
name: '重庆',
value: 0
}], [{
name: '山东',
value: 0
}], [{
name: '河南',
value: 0
}], [{
name: '江苏',
value: 0
}], [{
name: '安徽',
value: 0
}], [{
name: '湖北',
value: 0
}], [{
name: '浙江',
value: 0
}], [{
name: '福建',
value: 0
}], [{
name: '江西',
value: 0
}], [{
name: '湖南',
value: 0
}], [{
name: '贵州',
value: 0
}],[{
name: '广西',
value: 0
}], [{
name: '海南',
value: 0
}], [{
name: '上海',
value: 1
}]
];

var convertData = function(data) {
var res = [];
for(var i = 0; i < data.length; i++) {
var dataItem = data[i];
var fromCoord = chinaGeoCoordMap[dataItem[0].name];
var toCoord = [116.4551,40.2539];
if(fromCoord && toCoord) {
res.push([{
coord: fromCoord,
value: dataItem[0].value
}, {
coord: toCoord,
}]);
}
}
return res;
};
var series = [];
[['北京市', chinaDatas]].forEach(function(item, i) {
console.log(item)
series.push({
type: 'lines',
zlevel: 2,
effect: {
show: true,
period: 4, //箭头指向速度,值越小速度越快
trailLength: 0.02, //特效尾迹长度[0,1]值越大,尾迹越长重
symbol: 'arrow', //箭头图标
symbolSize: 5, //图标大小
},
lineStyle: {
normal: {
width: 1, //尾迹线条宽度
opacity: 1, //尾迹线条透明度
curveness: .3 //尾迹线条曲直度
}
},
data: convertData(item[1])
}, {
type: 'effectScatter',
coordinateSystem: 'geo',
zlevel: 2,
rippleEffect: { //涟漪特效
period: 4, //动画时间,值越小速度越快
brushType: 'stroke', //波纹绘制方式 stroke, fill
scale: 4 //波纹圆环最大限制,值越大波纹越大
},
label: {
normal: {
show: true,
position: 'right', //显示位置
offset: [5, 0], //偏移设置
formatter: function(params){//圆环显示文字
return params.data.name;
},
fontSize: 13
},
emphasis: {
show: true
}
},
symbol: 'circle',
symbolSize: function(val) {
return 5+ val[2] * 5; //圆环大小
},
itemStyle: {
normal: {
show: false,
color: '#f00'
}
},
data: item[1].map(function(dataItem) {
return {
name: dataItem[0].name,
value: chinaGeoCoordMap[dataItem[0].name].concat([dataItem[0].value])
};
}),
},
//被攻击点
{
type: 'scatter',
coordinateSystem: 'geo',
zlevel: 2,
rippleEffect: {
period: 4,
brushType: 'stroke',
scale: 4
},
label: {
normal: {
show: true,
position: 'right',
//offset:[5, 0],
color: '#0f0',
formatter: '{b}',
textStyle: {
color: "#0f0"
}
},
emphasis: {
show: true,
color: "#f60"
}
},
symbol: 'pin',
symbolSize: 50,
data: [{
name: item[0],
value: chinaGeoCoordMap[item[0]].concat([10]),
}],
}
);
});

option = {
tooltip: {
trigger: 'item',
backgroundColor: 'rgba(166, 200, 76, 0.82)',
borderColor: '#FFFFCC',
showDelay: 0,
hideDelay: 0,
enterable: true,
transitionDuration: 0,
extraCssText: 'z-index:100',
formatter: function(params, ticket, callback) {
//根据业务自己拓展要显示的内容
var res = "";
var name = params.name;
var value = params.value[params.seriesIndex + 1];
res = "<span style='color:#fff;'>" + name + "</span><br/>数据:" + value;
return res;
}
},
backgroundColor:"#013954",
visualMap: { //图例值控制
min: 0,
max: 1,
calculable: true,
show: true,
color: ['#f44336', '#fc9700', '#ffde00', '#ffde00', '#00eaff'],
textStyle: {
color: '#fff'
}
},
geo: {
map: 'china',
zoom: 1.2,
label: {
emphasis: {
show: false
}
},
roam: true, //是否允许缩放
itemStyle: {
normal: {
color: 'rgba(51, 69, 89, .5)', //地图背景色
borderColor: '#516a89', //省市边界线00fcff 516a89
borderWidth: 1
},
emphasis: {
color: 'rgba(37, 43, 61, .5)' //悬浮背景
}
}
},
series: series
};
// 为echarts对象加载数据
myChart.setOption(option);
</script>

</body>

https://gallery.echartsjs.com/editor.html?c=xD4a1EBnvW
按这个链接做的,为啥图表不能显示啊?
报错 china.js line:15,不能加载 echarts
https://gallery.echartsjs.com/dep/echarts/map/js/china.js
china.js下载
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horizon_zpy 2019-07-22
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<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts.min.js"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-gl/echarts-gl.min.js"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-stat/ecStat.min.js"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/dataTool.min.js"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/china.js"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/world.js"></script> <script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=htblISsYZcwVNtYlQfBG9**mtad8CHK0"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/bmap.min.js"></script> <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/simplex.js"></script> 自己解决了

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