2023-03-31 18:54:54 +08:00

121 lines
3.5 KiB
Vue

<template>
<div class="businessFormat">
<canvas v-if="!formatPath" class="format" canvas-id="businessFormat" id="businessFormat"/>
<image v-if="formatPath" class="format" :src="formatPath"></image>
</div>
</template>
<script>
import uCharts from '@/components/u-charts.js';
var uChartsInstance = {};
export default {
name: "businessFormat",
data() {
return {
width:0,
formatPath:''
}
},
props: {
data: {
type: Object,
default: () => {}
}
},
watch: {
data: {
handler(value) {
console.log('businessFormat', value)
this.handleCarData(value)
}
}
},
methods: {
// 处理传入的数据
handleCarData(value) {
let res = value
this.drawCharts('businessFormat', res)
},
drawCharts(id, data) {
const ctx = uni.createCanvasContext(id, this);
let _this = this
let phoneInfo = uni.getStorageSync('phoneInfo')
this.width = phoneInfo.screenWidth - 32
uChartsInstance[id] = new uCharts({
type: "ring",
context: ctx,
width: _this.width,
height: 250,
series: data.series,
animation: true,
rotate: false,
rotateLock: false,
background: "#FFFFFF",
color: ["#1E80FF", "#456497","#6B85AE","#8095B8","#97A9C6","#ACB9CD","#B8C7DE","#D5DFF0"],
padding: [5, 5, 5, 5],
dataLabel: true,
enableScroll: false,
title: {
name: '刚需型',
fontSize: 16,
color: "#341D00"
},
subtitle: {
name: "理想业态布局",
fontSize: 12,
color: "#786B6C",
},
legend: {
show: true,
position: "bottom",
lineHeight: 25,
float: 'center'
},
extra: {
ring: {
ringWidth: 12,
activeOpacity: 0.5,
activeRadius: 10,
offsetAngle: 0,
labelWidth: 15,
border: false,
borderWidth: 3,
borderColor: "#FFFFFF"
}
}
});
setTimeout( ()=>{
this.canvasToTempImage('businessFormat')
},2000)
},
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.formatPath = base64
}
})
}
}
},this)
},
}
}
</script>
<style scoped lang="scss">
.businessFormat{
width: 100%;
.format{
width: 100%;
height: 250px;
}
}
</style>