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207版本：canvas电流流向功能，海外自定义电价功能

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This commit is contained in:
huangjp
2025-10-10 09:27:34 +08:00
parent de8e81a5e2
commit 59954beeca
15 changed files with 1567 additions and 298 deletions
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390
pages/tabbar/components/topology/second.vue
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@ -1,6 +1,6 @@
<template>
<view class="warp">
<topoCanvas cId="secondcanvas" :width="'100%'" :height="'100%'" :canvas-data="canvasData" :noloading="noloading"/>
<topoCanvas ref="topoCanvasRef" cId="secondcanvas" :width="'100%'" :height="'100%'" :canvas-data="canvasData" :noloading="noloading"/>
</view>
</template>
<script>
@ -266,7 +266,175 @@
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: {
@ -274,8 +442,117 @@
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 = [
{
@ -332,14 +609,66 @@
},
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) {
@ -406,7 +735,10 @@
.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",
@ -435,9 +767,13 @@
)
})
} else {
this.kWValues.left = 0; // 没数据视为 0
}
resolve()
}).catch(() => {
this.kWValues.left = 0; // 出错也视为 0
resolve();
})
})
@ -453,7 +789,10 @@
.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",
@ -482,12 +821,49 @@
)
})
} 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;
}
}
}