以下是一个echarts 地图脚本,需要引用 china.js ; 我已经将china.js 下载到安装目录下:bihome/plugins/lib 文件夹下; 但是还是看不到地图显示请问还如何正确引用 china.js 第三方文件库?
var chinaGeoCoordMap = {
"宜昌": [114.3896, 30.6628],
"长沙": [113.0823, 28.2568],
"广州": [113.12244, 23.009505],
'泰国': [100.31, 13.45]
};
var chinaDatas = [
[{
name: '宜昌',
value: 0
}], [{
name: '长沙',
value: 0
}], [{
name: '泰国',
value: 0
}], [{
name: '广州',
value: 0
}]
];
var convertData = function(data) {
var res = [];
for(var i = 0; i < data.length; i++) {
var dataItem = data;
var fromCoord = chinaGeoCoordMap[dataItem[0].name];
var toCoord = [113.12244, 23.009505];
if(fromCoord && toCoord) {
res.push([{
coord: fromCoord,
value: dataItem[0].value
}, {
coord: toCoord,
}]);
}
}
return res;
};
var series = [];
[['广州', 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
};
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