ahyd_DIB/pages/index/components/rateCharts.vue
2024-03-14 18:25:17 +08:00

138 lines
3.2 KiB
Vue

<template>
<view class="rateMain">
<image v-if="preferPath" style="width: 144rpx;height: 144rpx" :src="preferPath"></image>
<canvas style="width: 144rpx;height: 144rpx;position:fixed;left: 100%" :canvas-id="name" id="rate"/>
</view>
</template>
<script>
import uCharts from '@/components/u-charts.js';
var uChartsInstance = {};
export default {
name: "rateCharts",
data(){
return {
preferPath:'',
}
},
props:{
success:{
type: Array,
default:[]
},
colorList:{
type: Array,
default:[]
},
name:{
type:String,
default:''
}
},
watch:{
success:{
handler(value){
this.preferPath = ''
let sum = value[0] + value[1] + value[2]
if (sum===0){
let res = {
series:[{
data:[{name:'便利店',value:0},{name:'餐饮客房',value:0},{name:'商铺租赁',value:0}]
}]
}
this.drawCharts(this.name,res)
}else{
let firstRate = Number(((value[0] / sum)*100).toFixed(2))
let secondRate = Number(((value[1] / sum)*100).toFixed(2))
let thirdRate = 100 - Number(firstRate)- Number(secondRate)
let res = {
series:[{
data:[{name:'便利店',value:firstRate},{name:'餐饮客房',value:secondRate},{name:'商铺租赁',value:thirdRate}]
}]
}
this.drawCharts(this.name,res)
}
},
immediate:true
}
},
methods:{
drawCharts(id,data){
const ctx = uni.createCanvasContext(id, this);
let _this = this
uChartsInstance[id] = new uCharts({
type: "ring",
context: ctx,
width: 72,
height: 72,
series: data.series,
animation: false,
rotate: false,
rotateLock: false,
background: "#FFFFFF",
color: _this.colorList,
padding: [5,5,5,5],
dataLabel: false,
enableScroll: false,
legend: {
show: false,
position: "right",
lineHeight: 25
},
title: {
name: '分润占比',
fontSize: 10,
color: "#A69E9F"
},
extra: {
ring: {
ringWidth: 8,
activeOpacity: 0.5,
activeRadius: 10,
offsetAngle: -90,
labelWidth: 15,
border: false,
borderWidth: 3,
customRadius:34,
borderColor: "#FFFFFF"
}
}
});
setTimeout( ()=>{
_this.canvasToTempImage(_this.name)
},500)
},
canvasToTempImage(id){
uni.canvasToTempFilePath({
canvasId:id,
complete:(res)=>{
if (res.tempFilePath){
uni.getFileSystemManager().readFile({
filePath: res.tempFilePath,
encoding: 'base64',
success: res => {
let base64 = 'data:image/png;base64,' + res.data;
this.preferPath = base64
}
})
}
}
},this)
},
}
}
</script>
<style lang="scss" scoped>
.rateMain{
width: 144rpx;
height: 144rpx;
.month{
width: 136rpx;
height: 136rpx;
position: fixed;
left: 100%;
}
}
</style>