140 lines
3.9 KiB
Vue
140 lines
3.9 KiB
Vue
<template>
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<div class="consumLevel">
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<canvas class="level" canvas-id="level" id="level" @tap="tap"/>
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<!-- <image v-if="levelPath" class="level" :src="levelPath"></image>-->
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</div>
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</template>
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<script>
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import uCharts from '@/components/u-charts.js';
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var uChartsInstance = {};
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export default {
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name: "consumLevel",
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data() {
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return {
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width:0,
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levelPath:''
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}
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},
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props: {
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data: {
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type: Object,
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default: () => {}
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}
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},
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watch: {
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data: {
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handler(value) {
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this.handleCarData(value)
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},
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immediate: true
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}
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},
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methods: {
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tap(e){
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uChartsInstance[e.target.id].showToolTip(e,{
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formatter: (item, category, index, opts) =>{
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return item.name + item.data + '%';
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}
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});
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uChartsInstance[e.target.id].touchLegend(e);
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},
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// 处理传入的数据
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handleCarData(value) {
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let res = value
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this.drawCharts('level', res)
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},
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drawCharts(id, data) {
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const ctx = uni.createCanvasContext(id, this);
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let _this = this
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let phoneInfo = uni.getStorageSync('phoneInfo')
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this.width = phoneInfo.screenWidth - 32
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uChartsInstance[id] = new uCharts({
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type: "column",
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context: ctx,
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width: _this.width,
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height: 282,
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categories: data.categories,
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series: data.series,
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animation: false,
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rotate: false,
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rotateLock: false,
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background: "#FFFFFF",
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color: ["#CAD0DA","#ACB9CD","#1E80FF" ],
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padding: [15, 5, 5, 5],
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dataLabel: false,
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enableScroll: false,
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legend: {
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show: true,
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position: "bottom",
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lineHeight: 25,
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float: 'center',
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fontSize:10
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},
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xAxis: {
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disableGrid: true,
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axisLineColor:'#F2F2F5',
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fontSize:10
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},
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yAxis: {
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showTitle:true,
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splitNumber:5,
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gridColor:'#F2F2F5',
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data: [
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{
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min: 0,
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max: 100,
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title:'单位: /%',
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titleOffsetY:-5,
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titleOffsetX:-5,
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axisLineColor:'#F2F2F5'
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}
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]
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},
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extra: {
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column: {
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type: "stack",
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width: 20,
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activeBgColor: "#000000",
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activeBgOpacity: 0.08,
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labelPosition: "center"
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}
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}
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});
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setTimeout( ()=>{
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// this.canvasToTempImage('level')
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},2000)
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},
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canvasToTempImage(id){
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uni.canvasToTempFilePath({
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canvasId:id,
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complete:(res)=>{
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if (res.tempFilePath){
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uni.getFileSystemManager().readFile({
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filePath: res.tempFilePath,
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encoding: 'base64',
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success: res => {
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let base64 = 'data:image/png;base64,' + res.data;
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this.levelPath = base64
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}
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})
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}
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}
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},this)
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},
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}
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}
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</script>
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<style scoped lang="scss">
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.consumLevel{
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width:100%;
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margin-top: 12px;
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.level{
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width: 100%;
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height: 260px;
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}
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}
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</style>
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