smart_storage_app/pages/tabbar/components/topology/second.vue

<template>
	<view class="warp">
		<topoCanvas ref="topoCanvasRef" cId="secondcanvas" :width="'100%'" :height="'100%'" :canvas-data="canvasData" :noloading="noloading"/>
	</view>
</template>
<script>
	import topoCanvas from '@/components/new-canvas/index.vue'
	export default {
		components: {
			topoCanvas
		},
		data() {
			return {
				canvasData: [],
				partList: {},
				noloading:false,
				// 文字
				textCanvasData: [
					{
						type: "text",
						coord: [
							[260, 65]
						],
						font: [{
							text: this.$t("homePage.home.load"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},
					{
						type: "text",
						coord: [
							[10, 65]
						],
						font: [{
							text: this.$t("homePage.home.grid"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},
					{
						type: "text",
						coord: [
							[30, 250]
						],
						font: [{
							text: "1#" + this.$t("homePage.home.cabinet"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},

					{
						type: "text",
						coord: [
							[240, 250]
						],
						font: [{
							text: "2#" +  this.$t("homePage.home.cabinet"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},

				],

				// 图片
				imageCanvasData: [
					{
						//负载
						type: "image",
						url: "/static/topology/load.png",
						coord: [
							[250, 10],
							[40, 40],
						],
					},
					{
					  //电网
					  type: "image",
					  url: "/static/topology/dianwang.png",
					  coord: [
					    [15, 10],
					    [40, 40],
					  ],
					},
					{
					  //一体舱
					  type: "image",
					  url: "/static/topology/yiticang.png",
					  coord: [
					    [45, 195],
					    [30, 40],
					  ],
					},
					{
					  //一体舱
					  type: "image",
					  url: "/static/topology/yiticang.png",
					  coord: [
					    [255, 195],
					    [30, 40],
					  ],
					},
					{
					  //电表
					  type: "image",
					  url: "/static/topology/ammeter.png",
					  coord: [
					    [170, 35],
					    [30, 30],
					  ],
					},
					{
					  //sts
					  type: "image",
					  url: "/static/topology/yitigui.png",
					  coord: [
					    [95, 85],
					    [30, 40],
					  ],
					},

				],
				// 线
				lineCanvasData: [
					{
						type: "line",
						coord: [
							[60, 30],
							[240, 30],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					},
					{
						type: "line",
						coord: [
							[110, 30],
							[110, 85],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					},
					{
						type: "line",
						coord: [
							[110, 125],
							[110, 150],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					},
					{
						type: "line",
						coord: [
							[60, 150],
							[60, 190],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					},
					{
						type: "line",
						coord: [
							[60, 150],
							[270, 150],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					},
					{
						type: "line",
						coord: [
							[270, 150],
							[270, 190],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					},
					{
						type: "line",
						coord: [
							[110, 55],
							[160, 55],
						],
						color: "#19875c",
						width: 2,
						dash: [10, 5],
					}

				],
				// 点
				circleCanvasData: [
					{
						type: "circle",
						coord: [
							[60, 30]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},
					{
						type: "circle",
						coord: [
							[110, 30]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},

					{
						type: "circle",
						coord: [
							[240, 30]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},
					{
						type: "circle",
						coord: [
							[60, 190]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},
					{
						type: "circle",
						coord: [
							[110, 150]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},
					{
						type: "circle",
						coord: [
							[270, 190]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},
					{
						type: "circle",
						coord: [
							[160, 55]
						],
						color: "#3AECA1",
						isMove: false,
						r: 3,
					},
				],
				animationId: null, // requestAnimationFrame ID
				movingPoints: [
					// 点1：左上角 → 向右移动
					{
						x: 60,
						y: 30,
						path: [{
								x: 60,
								y: 30
							}, // 起点
							{
								x: 240,
								y: 30
							} // 终点
						],
						currentStep: 0, // 当前在路径的哪一步
						isActive: false, // 标识动画是否激活
						id: 'point-1'
					},
					// 点2：左上角 → 向右 → 向下
					{
						x: 60,
						y: 30,
						path: [{
								x: 60,
								y: 30
							},
							{
								x: 110,
								y: 30
							},
							{
								x: 110,
								y: 85
							}
						],
						currentStep: 0,
						isActive: false, // 标识动画是否激活
						id: 'point-2'
					},
					// 点3：中间下 → 向下 → 向左 → 向下
					{
						x: 110,
						y: 127,
						path: [{
								x: 110,
								y: 127
							},
							{
								x: 110,
								y: 150
							},
							{
								x: 60,
								y: 150
							},
							{
								x: 60,
								y: 190
							}
						],
						currentStep: 0,
						isActive: false, // 标识动画是否激活
						id: 'point-3'
					},
					// 点5：中间下 → 向下 → 向右 → 向下
					{
						x: 110,
						y: 127,
						path: [{
								x: 110,
								y: 127
							},
							{
								x: 110,
								y: 150
							},
							{
								x: 270,
								y: 150
							},
							{
								x: 270,
								y: 190
							}
						],
						currentStep: 0,
						isActive: false, // 标识动画是否激活
						id: 'point-5'
					},
					// 点6：中间上 → 向上 → 向右
					{
						x: 110,
						y: 85,
						path: [{
								x: 110,
								y: 85
							},
							{
								x: 110,
								y: 30
							},
							{
								x: 240,
								y: 30
							} // 终点
						],
						currentStep: 0,
						isActive: false, // 标识动画是否激活
						id: 'point-6'
					},
					// 点7：左下角 → 向上 → 向右 → 向上
					{
						x: 60,
						y: 190,
						path: [{
								x: 60,
								y: 190
							},
							{
								x: 60,
								y: 150
							},
							{
								x: 110,
								y: 150
							},
							{
								x: 110,
								y: 127
							}
						],
						currentStep: 0,
						isActive: false, // 标识动画是否激活
						id: 'point-7'
					},
					// 点9：右下角 → 向上 → 向左 → 向上
					{
						x: 270,
						y: 190,
						path: [{
								x: 270,
								y: 190
							},
							{
								x: 270,
								y: 150
							},
							{
								x: 110,
								y: 150
							},
							{
								x: 110,
								y: 127
							}
						],
						currentStep: 0,
						isActive: false, // 标识动画是否激活
						id: 'point-9'
					}
				],
				pointSpeed: 1.5, // 移动速度（像素/帧）
				kWValues: {
					left: null, // 存储 getLeftPcs 的 kW 值
					right: null // 存储 getRightPcs 的 kW 值
				}
				
			}
		},
		computed: {
			currentStation() {
				return this.vuex_currentStation;
			},
		},
		beforeDestroy() {
			// 强制取消动画帧
			  if (this.animationId) {
			    if (typeof requestAnimationFrame !== 'undefined') {
			      cancelAnimationFrame(this.animationId);
			    } else {
			      clearTimeout(this.animationId);
			    }
			    this.animationId = null; // 重置ID
			  }
			  // 重置所有动态点状态
			  this.movingPoints.forEach(point => {
			    point.isActive = false;
			    point.currentStep = 0;
			    point.x = point.path[0].x;
			    point.y = point.path[0].y;
			  });
			  // 清空canvasData
			  this.canvasData = [];
		},
		watch:{
			stationId(newVal,oldVal){
				if (newVal) {
					this.getData(newVal);
				}
			}
		},
		methods: {
			// 启动动画
			startAnimation() {
			    const canvasRef = this.$refs.topoCanvasRef;
			    if (!canvasRef) return;
			
			    // 清除旧动画
			    if (this.animationId !== null) {
			        if (requestAnimationFrame && this.animationId) {
			            cancelAnimationFrame(this.animationId);
			        } else {
			            clearTimeout(this.animationId);
			        }
			        this.animationId = null;
			    }
			
			    // 直接启动新动画
			    this.animate();
			},
			
			animate() {
			    const canvasRef = this.$refs.topoCanvasRef;
			    if (!canvasRef) return;
			
			    const animateFrame = () => {
			        // 1. 更新移动点的位置
			        this.movingPoints.forEach(point => {
			            if (!point.isActive) return;
			            const currentIndex = point.currentStep;
			            const nextTarget = point.path[currentIndex + 1];
			
			            if (!nextTarget) {
			                point.x = point.path[0].x;
			                point.y = point.path[0].y;
			                point.currentStep = 0;
			                return;
			            }
			
			            const dx = nextTarget.x - point.x;
			            const dy = nextTarget.y - point.y;
			            const distance = Math.sqrt(dx * dx + dy * dy);
			
			            if (distance < this.pointSpeed) {
			                point.x = nextTarget.x;
			                point.y = nextTarget.y;
			                point.currentStep++;
			            } else {
			                point.x += (dx / distance) * this.pointSpeed;
			                point.y += (dy / distance) * this.pointSpeed;
			            }
			        });
			
			        // 2. 更新 canvasData 中的动态点
			        this.updateMovingPoints();
			
			        // 3. 清除并重绘
			        canvasRef.clear();
			        canvasRef.draw(null);
			
			        // 4. 继续下一帧（✅ 安全判断）
			        if (typeof requestAnimationFrame !== 'undefined') {
			            this.animationId = requestAnimationFrame(animateFrame);
			        } else {
			            this.animationId = setTimeout(animateFrame, 16);
			        }
			    };
			
			    // 启动第一帧（✅ 安全判断）
			    if (typeof requestAnimationFrame !== 'undefined') {
			        requestAnimationFrame(animateFrame);
			    } else {
			        setTimeout(animateFrame, 16);
			    }
			},
			updateMovingPoints() {
				this.movingPoints.forEach(point => {
					const dataIndex = this.canvasData.findIndex(item => item.id === point.id);
					if (dataIndex !== -1) {
						this.canvasData[dataIndex].coord = [
							[point.x, point.y]
						];
					}
				});
			},
			changeEnglish(){
				this.textCanvasData = [
					{
						type: "text",
						coord: [
							[260, 65]
						],
						font: [{
							text: this.$t("homePage.home.load"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},
					{
						type: "text",
						coord: [
							[10, 65]
						],
						font: [{
							text: this.$t("homePage.home.grid"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},
					{
						type: "text",
						coord: [
							[30, 250]
						],
						font: [{
							text: "1#" + this.$t("homePage.home.cabinet"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},

					{
						type: "text",
						coord: [
							[240, 250]
						],
						font: [{
							text: "2#" +  this.$t("homePage.home.cabinet"),
							size: 12,
							color: "#666666",
							width: 50,
						}]
					},

				]

			},
			getData(val){
  // 彻底重置画布数据
  this.canvasData = [];
				// 重置所有点状态
				this.movingPoints.forEach(point => (point.isActive = false,point.isMove = false,point.currentStep = 0,point.x = point.path[0].x,point.y = point.path[0].y));
				this.stationId = val
				this.textCanvasData.splice(3)
				const api = [this.getLeftPcs(),this.getRightPcs(),this.getAmmeter()]
				Promise.all(api).finally((result) => {
					// 获取三个 kW 值
					const {
						left,
						right
					} = this.kWValues;
					const values = [left, right];
					const allZero = values.every(v => v === 0);
					const anyPositive = values.some(v => v > 0);
					const anyNegative = values.some(v => v < 0);
					
					// 重置所有点（确保干净）
					this.movingPoints.forEach(p => (p.isActive = false));
					
					// 条件3：全部为0 → 只显示点1
					if (allZero) {
						this.movingPoints.find(p => p.id === 'point-1').isActive = true;
					}
					// 否则按原逻辑处理
					else {
						// 条件1：任一大于0 → 点6运动
						if (anyPositive) {
							this.movingPoints.find(p => p.id === 'point-1').isActive = true;
							this.movingPoints.find(p => p.id === 'point-2').isActive = true;
						}
						// 条件2：任一小于0 → 点1和点2运动
						if (anyNegative) {
							this.movingPoints.find(p => p.id === 'point-6').isActive = true;
						}
					
						// 再设置点3~9的显示逻辑
						this.updatePcsPoints();
					}
					this.canvasData = [...this.textCanvasData, ...this.imageCanvasData, ...this
						.lineCanvasData, ...this.circleCanvasData
					]
					// 动态添加 movingPoints
					this.movingPoints.forEach(point => {
						this.canvasData.push({
							type: "circle",
							id: point.id,
							coord: [
								[point.x, point.y]
							],
							color: "#3AECA1",
							r: 3,
							isMove: true
						});
					});
					this.noloading = true
					this.$nextTick(() => {
						this.startAnimation();
					});
				});
			},
			countChineseAndEnglishCharacters(str, x) {
			      var chineseCount = str.match(/[\u4e00-\u9fa5]/g) ? str.match(/[\u4e00-\u9fa5]/g).length : 0
			      var englishCount = str.match(/[a-zA-Z]/g) ? str.match(/[a-zA-Z]/g).length : 0
			      var otherCount = str.length - chineseCount - englishCount
			      const obj = { otherCount: otherCount, chineseCount: chineseCount, englishCount: englishCount }
			      return (obj.englishCount * 4) + (obj.chineseCount * 10	) + (obj.otherCount * 8) + x
			    },
			getAmmeter(){
				let self = this;
				return new Promise((resolve, reject) => {
					self.$u.api.homePageData
						.GetDynamicConfig({
							stationId: this.stationId,
							pageLocation:'second-ammeter'
						})
						.then((res) => {
							if(res.data && res.data.length){
								res.data.forEach((item,index) => {
									this.textCanvasData.push(
									{
										type: "text",
										coord: [
											[120, 80 + index * 15]
										],
										font: [{
											text: `${item.name}`,
											size: 12,
											color: "#666666",
											width: 50,
										}]
									},
									{
										type: "text",
										coord: [
											[this.countChineseAndEnglishCharacters(item.name,130), 80 + index * 15]
										],
										font: [{
											text: `${item.value}`,
											size: 12,
											color: "#666666",
											width: 50,
										}]
									},
									)
								
								})
							}
						
							resolve()
					})
				})
				
			},
			getLeftPcs() {
				let self = this;
				return new Promise((resolve, reject) => {
					self.$u.api.homePageData
						.GetDynamicConfig({
							stationId: this.stationId,
							pageLocation:'second-pcs-left'
						})
						.then((res) => {
							if(res.data && res.data.length){
								res.data.forEach((item,index) => {
									if (item.name.includes('kW')) { // 检查是否包含'kW'
										const value = parseFloat(item.value);
										this.kWValues.left = value; // 只记录
									}
									this.textCanvasData.push(
									{
										type: "text",
										coord: [
											[30, 265 + index * 15]
										],
										font: [{
											text: `${item.name}`,
											size: 12,
											color: "#666666",
											width: 50,
										}]
									},
									{
										type: "text",
										coord: [
											[this.countChineseAndEnglishCharacters(item.name,30), 265 + index * 15]
										],
										font: [{
											text: `${item.value}`,
											size: 12,
											color: "#666666",
											width: 50,
										}]
									},
									)
								
								})
							} else {
								this.kWValues.left = 0; // 没数据视为 0
							}
							resolve()
					}).catch(() => {
						this.kWValues.left = 0; // 出错也视为 0
						resolve();
					})
				})

			},
			getRightPcs() {
				let self = this;
				return new Promise((resolve, reject) => {
					self.$u.api.homePageData
						.GetDynamicConfig({
							stationId: this.stationId,
							pageLocation:'second-pcs-right'
						})
						.then((res) => {
							if(res.data && res.data.length){
								res.data.forEach((item,index) => {
									if (item.name.includes('kW')) { // 检查是否包含'kW'
										const value = parseFloat(item.value);
										this.kWValues.right = value;
									}
									this.textCanvasData.push(
									{
										type: "text",
										coord: [
											[200, 265 + index * 15]
										],
										font: [{
											text: `${item.name}`,
											size: 12,
											color: "#666666",
											width: 50,
										}]
									},
									{
										type: "text",
										coord: [
											[this.countChineseAndEnglishCharacters(item.name,200), 265 + index * 15]
										],
										font: [{
											text: `${item.value}`,
											size: 12,
											color: "#666666",
											width: 50,
										}]
									},
									)
								
								})
							} else {
								this.kWValues.right = 0;
							}
						
							resolve()
					}).catch(() => {
							this.kWValues.right = 0;
							resolve();
						})
				})
			
			},
			updatePcsPoints() {
			    const { left, right } = this.kWValues;
			
			    // 处理左边：点3 和 点7
			    const point3 = this.movingPoints.find(p => p.id === 'point-3');
			    const point7 = this.movingPoints.find(p => p.id === 'point-7');
			
			    if (left === 0) {
			        point3.isActive = false;
			        point7.isActive = false;
			    } else if (left > 0) {
			        point3.isActive = true;
			        point7.isActive = false;
			    } else if (left < 0) {
			        point3.isActive = false;
			        point7.isActive = true;
			    }
			    // 处理右边：点5 和 点9
			    const point5 = this.movingPoints.find(p => p.id === 'point-5');
			    const point9 = this.movingPoints.find(p => p.id === 'point-9');
			
			    if (right === 0) {
			        point5.isActive = false;
			        point9.isActive = false;
			    } else if (right > 0) {
			        point5.isActive = true;
			        point9.isActive = false;
			    } else if (right < 0) {
			        point5.isActive = false;
			        point9.isActive = true;
			    }
			}
		}

	}
</script>
<style lang="scss" scoped>
	.warp {
		width: 650rpx;
		height: 650rpx;
		position: relative;
	}
</style>