如何使用angular9+echarts绘制3D地图

这篇文章主要介绍如何使用angular9+echarts绘制3D地图，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

新建一个angular9的工程

1、安装了@angular-cli的脚手架

2、ng -v查看版本

3、ng new my-project(项目名)

下载echarts

npm i echarts

相关推荐：《angular教程》

创建容器

src/app/app.componnet.html

<div id="main" style="width:800px;height:500px"></div>

创建地图实例

src/app/app.componnet.ts

import { Component } from '@angular/core';
import * as echarts from "echarts";
import  'echarts/map/js/china.js'
@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent {
  option = {
    title: {
        top: 10,
        text: '3D中国地图',
        left: 'center',
        textStyle: {
            color: '#fff'
        }
    },
    backgroundColor: 'rgba(0, 10, 52, 1)',
    geo: {
        map: 'china',
        aspectScale: 0.75,
        layoutCenter: ["50%", "51.5%"], //地图位置
        layoutSize: '118%',
        roam: true,
        itemStyle: {
            normal: {
                borderColor: 'rgba(147, 235, 248, 1)',
                borderWidth: 0.5,
                color: {
                    type: 'linear-gradient',
                    x: 0,
                    y: 1500,
                    x2: 2500,
                    y2: 0,
                    colorStops: [{
                        offset: 0,
                        color: '#009DA1' // 0% 处的颜色
                    }, {
                        offset: 1,
                        color: '#005B9E' // 50% 处的颜色
                    }],
                    global: true // 缺省为 false
                },
                opacity: 0.5,
            },
            emphasis: {
                areaColor: '#2a333d'
            }
        },
        regions: [{
            name: '南海诸岛',
            itemStyle: {
                areaColor: 'rgba(0, 10, 52, 1)',
                borderColor: 'rgba(0, 10, 52, 1)'
            },
            emphasis: {
                areaColor: 'rgba(0, 10, 52, 1)',
                borderColor: 'rgba(0, 10, 52, 1)'
            }
        }],
        z: 2
    },
    series: [{
        type: 'map',
        map: 'china',
        tooltip: {
            show: false
        },
        label: {
            show: true,
            color: '#FFFFFF',
            fontSize: 16
        },
        aspectScale: 0.75,
        layoutCenter: ["50%", "50%"], //地图位置
        layoutSize: '118%',
        roam: true,
        itemStyle: {
            normal: {
                borderColor: 'rgba(147, 235, 248, 0.6)',
                borderWidth: 0.8,
                areaColor: {
                    type: 'linear-gradient',
                    x: 0,
                    y: 1200,
                    x2: 1000,
                    y2: 0,
                    colorStops: [{
                        offset: 0,
                        color: '#009DA1' // 0% 处的颜色
                    }, {
                        offset: 1,
                        color: '#005B9E' // 50% 处的颜色
                    }],
                    global: true // 缺省为 false
                },
            },
            emphasis: {
                areaColor: 'rgba(147, 235, 248, 0)'
            }
        },
        zlevel: 1
    }]
};

  ngOnInit(){
    let dom = document.getElementById('main')
    let myChart = echarts.init(dom)
    myChart.on('georoam', function(params) {
      var option = myChart.getOption(); //获得option对象
      if (params.zoom != null && params.zoom != undefined) { //捕捉到缩放时
          option.geo[0].zoom = option.series[0].zoom; //下层geo的缩放等级跟着上层的geo一起改变
          option.geo[0].center = option.series[0].center; //下层的geo的中心位置随着上层geo一起改变
      } else { //捕捉到拖曳时
          option.geo[0].center = option.series[0].center; //下层的geo的中心位置随着上层geo一起改变
      }
      myChart.setOption(option); //设置option
  });
    myChart.setOption(this.option)
  }
}

效果图片

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