137 lines
4.1 KiB
Vue
137 lines
4.1 KiB
Vue
<template>
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<div class="timePeriodAnalysis">
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<canvas class="timePeriod" canvas-id="timePeriod" id="timePeriod" @tap="tap"/>
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<!-- <image class="timePeriod" v-if="timePeriodPath" :src="timePeriodPath"></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: "timePeriodAnalysis",
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data() {
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return {
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width:0,
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timePeriodPath:''
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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 + '%,' +'数量:' + opts.series[0].number[index] + '笔,金额:' +opts.series[0].money[index] +'元'
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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('timePeriod', 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: "area",
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context: ctx,
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width: _this.width,
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height: 200,
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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: ["#2483FF"],
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padding: [15, 10, 5, 5],
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dataLabel: false,
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enableScroll: false,
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xAxis: {
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disableGrid: true,
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formatter:(val)=>{
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if (val===0 || val===4 || val===8 || val===12 || val===16 || val===20 || val===23){
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if (val===23){
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return '24:00'
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}else{
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return `${val}:00`
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}
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}else{
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return ''
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}
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}
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},
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yAxis: {
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disableGrid: false,
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gridType: "solid",
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gridColor:'#F2F2F5'
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},
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legend: {
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show: false,
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position: "bottom",
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lineHeight: 25,
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float: 'center',
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},
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extra: {
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area: {
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type: "curve",
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opacity: 0.2,
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addLine: true,
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width: 2,
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gradient: true,
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activeType: "hollow"
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}
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}
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});
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setTimeout( ()=>{
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// this.canvasToTempImage('timePeriod')
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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.timePeriodPath = 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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.timePeriodAnalysis{
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width: 100%;
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.timePeriod{
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width: 100%;
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height: 200px;
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}
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}
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</style>
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