| | |
| | | </template> |
| | | |
| | | <script> |
| | | import { listGps } from "@/api/system/gps"; |
| | | import { anonymousList } from "@/api/system/gps"; |
| | | |
| | | export default { |
| | | name: "GpsMap", |
| | |
| | | dateRange: [], |
| | | // 查询参数 |
| | | queryParams: { |
| | | vehicleNo: undefined, |
| | | orderByColumn: "collect_time", |
| | | isAsc: "desc", |
| | | pageNum: 1, |
| | | pageSize: 10, |
| | | deviceId: null, |
| | | appId: null, |
| | | sign: null, |
| | | timestamp: null |
| | | }, |
| | | // 地图对象 |
| | | map: null, |
| | |
| | | if (query.vehicleNo) { |
| | | this.queryParams.vehicleNo = query.vehicleNo; |
| | | } |
| | | // 设置认证参数 |
| | | if (query.appId) { |
| | | this.queryParams.appId = query.appId; |
| | | } |
| | | if (query.sign) { |
| | | this.queryParams.sign = query.sign; |
| | | } |
| | | if (query.timestamp) { |
| | | this.queryParams.timestamp = query.timestamp; |
| | | } |
| | | // 设置时间范围 |
| | | if (query.startTime && query.endTime) { |
| | | this.dateRange = [query.startTime, query.endTime]; |
| | | if (query.beginTime && query.endTime) { |
| | | this.dateRange = [query.beginTime, query.endTime]; |
| | | } |
| | | this.getList(); |
| | | }, |
| | |
| | | // 动态加载百度地图API |
| | | this.loadBMapScript().then(() => { |
| | | this.initMap(); |
| | | window.initMapFlag=true; |
| | | if(window.loadGpsList){ |
| | | this.drawTrack() |
| | | } |
| | | }); |
| | | }, |
| | | methods: { |
| | |
| | | }, |
| | | /** 查询GPS列表 */ |
| | | getList() { |
| | | this.loading = true; |
| | | listGps(this.addDateRange(this.queryParams, this.dateRange)).then( |
| | | (response) => { |
| | | this.gpsList = response.rows; |
| | | this.total = response.total; |
| | | this.loading = false; |
| | | this.loading = true; |
| | | anonymousList(this.addDateRange(this.queryParams, this.dateRange)).then(response => { |
| | | this.gpsList = response.rows; |
| | | this.total = response.total; |
| | | this.loading = false; |
| | | window.loadGpsList=true; |
| | | if(window.initMapFlag){ |
| | | this.drawTrack(); |
| | | } |
| | | ); |
| | | }); |
| | | }, |
| | | async translatePoints(points) { |
| | | // 将WGS84坐标转换为百度坐标 |
| | |
| | | this.map.centerAndZoom(new BMap.Point(116.404, 39.915), 11); |
| | | // 启用滚轮放大缩小 |
| | | this.map.enableScrollWheelZoom(); |
| | | console.log("initMap 初始化地图") |
| | | }, |
| | | /** 计算两点之间的距离(米) */ |
| | | getDistance(point1, point2) { |
| | |
| | | return Math.atan2(dy, dx) * 180 / Math.PI; |
| | | }, |
| | | |
| | | /** 在两点之间插入平滑点 */ |
| | | getSmoothPoints(point1, point2) { |
| | | const distance = this.getDistance(point1, point2); |
| | | if (distance < this.minDistance) { |
| | | return [point1, point2]; |
| | | } |
| | | |
| | | const angle = this.getAngle(point1, point2); |
| | | const midPoint = new BMap.Point( |
| | | (point1.lng + point2.lng) / 2, |
| | | (point1.lat + point2.lat) / 2 |
| | | ); |
| | | |
| | | // 计算控制点 |
| | | const controlPoint = new BMap.Point( |
| | | midPoint.lng + this.smoothFactor * distance * Math.cos((angle + 90) * Math.PI / 180), |
| | | midPoint.lat + this.smoothFactor * distance * Math.sin((angle + 90) * Math.PI / 180) |
| | | ); |
| | | |
| | | // 使用二次贝塞尔曲线生成平滑点 |
| | | const points = []; |
| | | for (let t = 0; t <= 1; t += 0.1) { |
| | | const x = Math.pow(1 - t, 2) * point1.lng + 2 * (1 - t) * t * controlPoint.lng + Math.pow(t, 2) * point2.lng; |
| | | const y = Math.pow(1 - t, 2) * point1.lat + 2 * (1 - t) * t * controlPoint.lat + Math.pow(t, 2) * point2.lat; |
| | | points.push(new BMap.Point(x, y)); |
| | | } |
| | | return points; |
| | | }, |
| | | |
| | | |
| | | /** 绘制轨迹 */ |
| | | async drawTrack() { |
| | |
| | | translatePoints.forEach((item, index) => { |
| | | const bdPoint = item; |
| | | |
| | | // 只在起点和终点创建标记 |
| | | if (index === 0 || index === translatePoints.length - 1) { |
| | | // 判断起点和终点是否相同 |
| | | const isStartPoint = index === 0; |
| | | const isEndPoint = index === translatePoints.length - 1; |
| | | const isStartEndSame = isStartPoint && isEndPoint && |
| | | translatePoints[0].lng === translatePoints[translatePoints.length - 1].lng && |
| | | translatePoints[0].lat === translatePoints[translatePoints.length - 1].lat; |
| | | |
| | | // 只在起点和终点创建标记,且起点和终点不同时才显示起点标记 |
| | | if ((isStartPoint && !isStartEndSame) || isEndPoint) { |
| | | let marker; |
| | | let direction=currentSegment[index].direction; |
| | | if (index === 0) { |
| | | if (isStartPoint && !isStartEndSame) { |
| | | // 起点显示"起"字 |
| | | const label = new BMap.Label("起", { |
| | | offset: new BMap.Size(0, 0), |
| | |
| | | this.map.addOverlay(marker); |
| | | this.markers.push(marker); |
| | | } |
| | | // const smoothPoints = []; |
| | | // for (let i = 0; i < points.length - 1; i++) { |
| | | // const segmentPoints = this.getSmoothPoints(points[i], points[i + 1]); |
| | | // smoothPoints.push(...segmentPoints); |
| | | // } |
| | | // smoothPoints.push(points[points.length - 1]); |
| | | |
| | | // 如果是最后一个点,绘制轨迹线 |
| | | if (index === currentSegment.length - 1) { |