stackBarChart.vue
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<template>
<view class="piechart">
<div :id='bindId' class="chart"></div>
</view>
</template>
<script>
export default {
data () {
return {
}
},
mounted() {
console.log('chartData',this.chartData)
},
watch:{
bindId:function(newValue,oldValue){
},
chartData:{
handler(newValue,oldValue){
this.drawStackBar();
},
deep:true
},
},
props:{
bindId:{
type:String,
default:''
},
chartData: {
type: Object,
default: function(){
return {}
}
}
},
methods: {
drawStackBar() {
var yMax=0;
let myChart = {};
let chartDom = document.getElementById(this.bindId);
myChart = this.echarts.init(chartDom);
myChart.showLoading('default', {
text: '',
color: '#409eff'
});
let option = {
title :{
show:true,
text:this.chartData.title,
left: uni.upx2px(18.11),
top: uni.upx2px(10.86),
textStyle: {
fontWeight: "normal",
fontSize: uni.upx2px(25.4),
color: '#4A4A4A'
}
},
tooltip:{
renderMode:'richText'
},
color: ["#3BB8FF", "#FFC62E", "#87D14B", "#FFC62E", "#FF9631"],
grid: {
left:uni.upx2px(76.08),
right: uni.upx2px(28.98),
top: uni.upx2px(83.33),
bottom: uni.upx2px(94.2)
},
legend : {
orient: "horizontal",
x: "center",
textStyle: {
fontSize: uni.upx2px(14.5),
color:'rgba(74,74,74,1)'
},
itemWidth: uni.upx2px(12.7),
itemHeight: uni.upx2px(12.7),
itemGap: uni.upx2px(3.62),
bottom: uni.upx2px(9.05),
data: [],
selected:{}
},
yAxis: {
type: 'value',
splitLine: {
lineStyle: {
color: '#EBEBEB'
}
},
axisLine: {
show:false,
lineStyle: {
color: '#888'
}
},
axisTick: {
show: false
},
axisLabel: {
color: '#9B9B9B',
fontSize: uni.upx2px(14.5),
formatter:function(value){
if(value>yMax){
yMax=value;
}
return value
}
}
},
xAxis: {
splitLine: {
show: false
},
axisLine: {
show:false,
lineStyle: {
color: '#888'
}
},
axisTick: {
show: false
},
axisLabel: {
color: '#9B9B9B',
fontSize: uni.upx2px(14.5),
},
data:[]
},
series:this.chartData.series
};
if(!option.series) return;
// 按照 echarts 数据规范重构数据
let seriesObj = {}, seriesData = [], totalData = [], totalNum = 0, ageArr = [];
try {
seriesData = this.chartData.xaxis.data.map(item => {
return {
name: item,
data: []
}
});
if(option.series.length > 0) {
let ageNum;
for(let i = 0; i < option.series.length; i++) {
ageNum = 0;
option.xAxis.data.push(option.series[i].name);
for(let j = 0; j < option.series[i].data.length; j++) {
seriesObj[this.chartData.xaxis.data[j]] = option.series[i].data[j];
totalNum += option.series[i].data[j];
ageNum += option.series[i].data[j];
for(let k in seriesObj) {
if(seriesData[j].name == k) {
seriesData[j].data.push(seriesObj[k])
}
}
seriesObj = {};
}
ageArr.push(ageNum);
}
}
for(let i = 0; i < seriesData.length; i++) {
seriesData[i].itemStyle = {
show: false
};
seriesData[i].type = 'bar';
seriesData[i].stack = 'gender';
// seriesData[i].barWidth = 20;
// seriesData[i].barCategoryGap = '50px';
option.legend.data.push(seriesData[i].name);
}
seriesData.forEach(item => {
item.data.forEach((k, i) => {
if(totalData[i]) {
totalData[i] += k;
} else {
totalData[i] = k;
}
})
})
option.series = seriesData;
if(!option.series.length) {
option.graphic = {
type: 'text',
left: 'center',
top: 'middle',
z: 100,
style: {
fill: '#333',
text: '无数据',
font: uni.upx2px(14.5)
}
}
// option.xAxis.data = [];
// myChart.clear();
setTimeout(() => {
myChart.hideLoading();
myChart.setOption(option);
}, 500);
}
} catch (error) {}
// myChart.clear();
setTimeout(() => {
myChart.hideLoading();
}, 500);
myChart.setOption(option);
option.grid.left=uni.upx2px(18.11)+15+String(yMax).length*uni.upx2px(9.05)
myChart.setOption(option);
}
}
}
</script>
<style>
.chart{
width:706.52upx;
height:438.4upx;
margin: 0 auto;
background: #FFFFFF;
margin-bottom: 18.2upx;
border-radius:7.24upx;
overflow: hidden;
}
</style>