极客观点
项目管理
HarmonyOS
这是报错信息
这是网页画面
本来这个空白地方时应该有一个表格的
下面贴上源代码
<template>
<div class="table" style="height: 100%;">
<div>
<el-card class="box-card">
<div slot="header">
<p>菜单列表</p>
</div>
<div class="text item" @click="tabId=0" :class="[tabId==0 ? 'active' : '']">里程分析</div>
<div class="text item" @click="tabId=1" :class="[tabId==1 ? 'active' : '']">故障分析</div>
</el-card>
<div class="tablebox" v-show="tabId==0">
<el-card class="table-card" style="height: 650px;overflow-y: auto">
<v-ClassifyTree @handleClick="handleNodeClick"></v-ClassifyTree>
</el-card>
<div class="handle-box" v-if="nowShow">
<div style="height: 80px;padding: 20px 10px;">
<p style="background-color:#29a8cd;text-align: center;line-height: 50px">请先选择需要操作的车辆</p>
</div>
</div>
<div class="handle-box" v-if="boxShow">
<div>
<el-card>
<div slot="header">
<el-row><span style="font-size:20px">选择月份</span><el-date-picker v-model="value4" type="month" placeholder="选择月">
</el-date-picker></el-row>
</div>
<div id="charts" style="width: 100%;height: 250px;"></div>
</el-card>
</div>
</div>
</div>
<div class="tablebox" v-show="tabId==1">
<el-card class="table-card" style="height: 650px;overflow-y: auto">
<v-ClassifyTree @handleClick="handleNodeClick"></v-ClassifyTree>
</el-card>
<div class="handle-box">
<div v-if="nowShow" style="height: 80px;padding: 20px 10px;">
<p style="background-color:#29a8cd;text-align: center;line-height: 50px">请先选择需要操作的车辆</p>
</div>
<div v-if="boxShow">
<el-card>
<div slot="header">
<el-row><span style="font-size:20px">选择月份</span><el-date-picker v-model="value2" type="month" placeholder="选择月">
</el-date-picker></el-row>
</div>
<div id="charts2" style="width: 100%;height: 250px;"></div>
</el-card>
</div>
</div>
</div>
</div>
</div></template>
<script>
import vClassifyTree from '../common/ClassifyTree.vue';
let echarts = require('echarts/lib/echarts');
require('echarts/map/js/china');
require('echarts/lib/chart/pie');
require('echarts/lib/chart/line');
require('echarts/lib/chart/bar');
require('echarts/lib/component/tooltip');
require('echarts/lib/component/legend');
export default {
data() {
return {
tabId:0,
value3:'',
value4:'',
value2:'',
value1:'',
boxShow:false,
nowShow:true,
node:'',
show:'',
carArchives:[],
}
},
components:{
vClassifyTree
},
mounted() {
this.drawLine();
this.drawLine2();
},
methods: {
drawLine(){
let myChart = echarts.init(document.getElementById('charts'));
var option = {
color: ['#3398DB'],
tooltip : {
trigger: 'axis',
axisPointer : { // 坐标轴指示器，坐标轴触发有效
type : 'shadow' // 默认为直线，可选为：'line' | 'shadow'
}
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
xAxis : [
{
type : 'category',
name:'日期',
data : ['1', '2', '3', '4', '5', '6', '7','8', '9', '10', '11', '12', '13', '14'],
axisTick: {
alignWithLabel: true
}
}
],
yAxis : [
{
type : 'value',
name:'里程'
}
],
series : [
{
name:'直接访问',
type:'bar',
barWidth: '60%',
data:[10, 52, 200, 334, 390, 330, 220,10, 52, 200, 334, 390, 330, 220]
}
]
};
myChart.setOption(option);
},
drawLine2(){
let myChart = echarts.init(document.getElementById('charts2'));
var option = {
title : {
text: '报警占比统计',
x:'center'
},
tooltip : {
trigger: 'item',
formatter: "{a} <br/>{b} : {c} ({d}%)"
},
series : [
{
name: '访问来源',
type: 'pie',
radius : '55%',
center: ['50%', '60%'],
data:[
{value:335, name:'直接访问'},
{value:310, name:'邮件营销'},
],
itemStyle: {
emphasis: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}
]
};
myChart.setOption(option);
myChart.resize();
},
},
//车辆列表展开
handleNodeClick(childs) {
this.nowShow=false;
this.boxShow=true;
this.node=childs;
var this_ = this;
if(this.node.leaf) {
this_.show = true;
this.$axios.post('api/achives/achivesInfo', {
'LicencePlate': this.node.name
}).then((res) => {
this.carArchives.push(res.data.achivesInfo);
console.log(this.carArchives);
});
} else {
console.log('你点击的不是车牌！');
}
}
}
}</script>
弄了一天
我看你这个表格的初始化在mounted的时候，通过调用this.drawLine();来实现的，但是你的charts这时候不在页面节点中，因为boxShow为false,所以初始化不成功。echats初始化的时候，节点一定要是在页面中真实存在的。