116 lines
3.2 KiB
Vue
116 lines
3.2 KiB
Vue
<template>
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<div class="consumPrefer">
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<canvas class="prefer" canvas-id="prefer" id="prefer" @tap="tap"/>
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<!-- <image v-if="preferPath" class="prefer" :src="preferPath"></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: "consumPrefer",
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data() {
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return {
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width:0,//手机宽度
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preferPath:''//路径
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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].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('prefer', 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: "radar",
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context: ctx,
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width: _this.width,
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height: 294,
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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: ["#1E80FF", "#00C2FF"],
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padding: [5, 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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},
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extra: {
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radar: {
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gridType: "radar",
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gridColor: "#CCCCCC",
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gridCount: 3,
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opacity: 0.2,
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max: data.max,
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labelShow: true,
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border: true
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}
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}
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});
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setTimeout( ()=>{
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// this.canvasToTempImage('prefer')
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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.preferPath = 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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.consumPrefer{
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width: 100%;
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height: 274px;
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.prefer{
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width: 100%;
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height: 100%;
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}
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}
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</style>
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