118 lines
2.6 KiB
Vue
118 lines
2.6 KiB
Vue
<template>
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<view class="main">
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<image v-if="preferPath" style="width: 136rpx;height: 136rpx" :src="preferPath"></image>
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<canvas v-else class="month" canvas-id="month" id="month"/>
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</view>
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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: "monthCharts",
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data(){
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return {
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preferPath:''
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}
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},
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props:{
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success:{
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type: Number,
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default: 0
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}
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},
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watch:{
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success:{
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handler(value){
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this.preferPath = ''
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console.log('value111',value)
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let success = Number(value)>100?100:Number(value)
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let error = Number(100 - value)<0?0:Number(100 - value)
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let res = {
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series:[{
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data:[{name:'已完成',value:success},{name:'未完成',value:error}]
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}]
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}
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this.drawCharts('month',res)
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}
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}
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},
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methods:{
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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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uChartsInstance[id] = new uCharts({
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type: "ring",
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context: ctx,
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width: 68,
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height: 68,
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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: ["#576EFF","#EBEEF2"],
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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: false,
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position: "right",
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lineHeight: 25
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},
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title: {
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name: _this.success + '%',
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fontSize: 10,
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color: "#3D57FB"
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},
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extra: {
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ring: {
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ringWidth: 10,
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activeOpacity: 0.5,
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activeRadius: 10,
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offsetAngle: -90,
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labelWidth: 15,
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border: false,
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borderWidth: 3,
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customRadius:34,
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borderColor: "#FFFFFF"
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}
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}
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});
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setTimeout( ()=>{
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this.canvasToTempImage('month')
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},100)
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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 lang="scss" scoped>
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.main{
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width: 100%;
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height: 100%;
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.month{
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width: 136rpx;
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height: 136rpx;
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}
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}
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</style>
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