angular7中使用iframe来加载外部页面

ゝ一世哀愁。 2021-10-19 05:16 465阅读 0赞

在angular7中使用echarts的线性地图的时候，发现出来缩成了一团，暂未找到解决方案。但是在普通的html中直接引入并使用是没有问题的。因此，转换了思路，使用iframe来加载外部的html，因为在外部html中是正常的。

将正常的html页面放到angular项目的assets下面，然后在angular组件中通过iframe动态引入。这样就可以正常显示了。数据请求可以单独放到页面中。

#### 静态html页面及目录 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l3MDB5dw_size_16_color_FFFFFF_t_70]  
html内容：和echarts官网案例一样

<!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="utf-8">
    		<title></title>
    		<script src="echarts.min.js" type="text/javascript" charset="utf-8"></script>
    		<script src="china.js" type="text/javascript" charset="utf-8"></script>
    	</head>
    	<body>df
    		<div id="map" style="width: 1000px; height: 600px; border: 1px solid red;">
    
            </div>
            <script src="./axios.min.js"></script>
    
            <script type="text/javascript">
    	
    			// ajax数据请求，使用的是axios， 也可以通过本地存储进行传递数据
                console.log(axios.get('http://api.komavideo.com/news/list').then(data => {
                    console.log(data);
                }));
    
    			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) {
    				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,
    					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
    			};
    			
    			const dom = document.getElementById('map');
    			const x = echarts.init(dom);
    			setTimeout(function() {
    				x.setOption(option);
                }, 1000);
                
                function childMethod(){
    
                    var component =  window['child'];
    
                    component.check();
    
                }
    		</script>
    	</body>
    </html>

#### angular组件home.component.ts ####

import { Component, OnInit } from '@angular/core';
    import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser';
    
    @Component({
      selector: 'app-home',
      templateUrl: './home.component.html',
      styleUrls: ['./home.component.scss']
    })
    export class HomeComponent implements OnInit {
    
        url = 'http://localhost:4200/assets/html/index.html';
        // url = 'http://192.168.1.112:8888/assets/html/index.html';
        videoUrl: SafeResourceUrl;
    
        constructor(private sanitizer: DomSanitizer) {
            this.videoUrl = this.sanitizer.bypassSecurityTrustResourceUrl(this.url);
        }
    
        ngOnInit() {
            console.log(this.videoUrl);
        }
    
    }

#### angular组件home.component.html ####

#### 效果 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l3MDB5dw_size_16_color_FFFFFF_t_70 1]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l3MDB5dw_size_16_color_FFFFFF_t_70]: /images/20211018/3b321d91ec0c43339edbad2cd185b822.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l3MDB5dw_size_16_color_FFFFFF_t_70 1]: /images/20211018/aef373df76b1410c90a6acc543f8299b.png