rankChart.vue
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<template>
<view class="rankchart">
<div :id='bindId' class="chart"></div>
</view>
</template>
<script>
export default {
data () {
return {
}
},
mounted() {
},
watch:{
bindId:function(newValue,oldValue){
},
chartData:{
handler(newValue,oldValue){
this.drawRank();
},
deep:true
},
},
props:{
bindId:{
type:String,
default:''
},
chartData: {
type: Object,
default: function(){
return {}
}
}
},
methods: {
drawRank() {
let myChart = {};
let chartDom = document.getElementById(this.bindId);
myChart = this.echarts.init(chartDom);
myChart.showLoading('default', {
text: '',
color: '#409eff'
});
var option = {
title:{
show:true,
text:this.chartData.title,
left: uni.upx2px(21.74),
top: uni.upx2px(10.86),
textStyle: {
fontWeight: "normal",
fontSize: uni.upx2px(25.4),
color: '#4A4A4A'
}
},
tooltip: {
show:false
},
grid:{
left: uni.upx2px(30.79),
right: uni.upx2px(85.14),
top: uni.upx2px(63.33),
bottom: uni.upx2px(36.23)
},
yAxis: JSON.parse(JSON.stringify(this.chartData.yaxis)),
xAxis: {
axisLabel: {
show: false
},
axisLine: {
show: false
},
axisTick: {
show: false
},
splitLine: {
show: false
}
},
series:JSON.parse(JSON.stringify(this.chartData.series))
}
try {
this.autoComplete(option.yAxis.data.length, option.yAxis.data, 'string');
} catch (error) { }
let dataArr = [], valArr = [];
try {
option.yAxis.axisTick = {};
option.yAxis.axisTick.show = false;
option.yAxis.inverse = true;
option.yAxis.axisLine = {
show: false
}
option.yAxis.splitLine = {
normal: {
show: false
},
emphasis: {
show: false
}
}
var rankWidths = '';
uni.getSystemInfo({
success:(res)=>{
rankWidths=res.windowWidth-uni.upx2px(144.92);
}
})
var rankTop = -1;
var barWidth = uni.upx2px(10.86);
let labelPos = 0;
if(option.yAxis.data.length > labelPos) {
labelPos = option.yAxis.data.length;
}
option.yAxis.axisLabel = {
margin: 40,
interval: 0,
padding: [0, 0, uni.upx2px(10.86), 0],
verticalAlign: 'bottom',
textStyle: {
align: 'left',
color: '#666666'
},
formatter: function(value, index) {
var key = index + 1;
var htmls = '';
// if(key == 1) {
// htmls = '{firstLabel|' + key + '}' + " " + '{valueLabel|' + value + '}'
// } else if(key == 2) {
// htmls = '{secondLabel|' + key + '}' + " " + '{valueLabel|' + value + '}'
// } else if(key == 3) {
// htmls = '{thirdLabel|' + key + '}' + " " + '{valueLabel|' + value + '}'
// } else {
// htmls = '{normalLabel|' + key + '}' + " " + '{valueLabel|' + value + '}'
// }
htmls = " " + '{valueLabel|' + value + '}'
return htmls;
},
rich: {
firstLabel: {
width: 18,
height: 18,
align: 'center',
color: '#fff',
fontSize: 12,
backgroundColor: '#EB6100'
},
secondLabel: {
width: 18,
height: 18,
align: 'center',
color: '#fff',
fontSize: 12,
backgroundColor: '#FF9631'
},
thirdLabel:{
width: 18,
height: 18,
align: 'center',
color: '#fff',
fontSize: 12,
backgroundColor: '#FFC62E'
},
normalLabel: {
width: 18,
height: 18,
fontSize: 12,
align: 'center',
color: '#666666'
},
valueLabel: {
height: 6,
padding: [0, 0, 0, 40],
align: 'left',
color: '#666',
fontSize: uni.upx2px(21.74),
}
}
};
} catch (error) { }
// var colorsArr = ['#ffc62f', '#6c6fc0', '#00b9e2', '#aae3f6', '#aae3f6', '#aae3f6', '#aae3f6', '#aae3f6', '#aae3f6', '#aae3f6', '#aae3f6', '#aae3f6']
var colorsArr = ['#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF', '#3BB8FF']
if(!option.series) return;
let dataLen = 0;
for (var i = 0; i < option.series.length; i++) {
this.autoComplete(option.series[i].data.length, option.series[i].data);
option.series[i].label = {
normal: {
show: true,
position: [rankWidths, -2],
fontSize: uni.upx2px(21.74),
textStyle: {
color: '#666666'
}
},
emphasis: {
show: true,
position: [rankWidths, -2],
fontSize:uni.upx2px(21.74),
textStyle: {
color: '#666666'
}
}
}
option.series[i].itemStyle = {
normal: {
// barBorderRadius: [18, 18, 18, 18],
barBorderRadius: 18,
color: '#3BB8FF'
// color: function(params) {
// return colorsArr[params.dataIndex];
// }
},
emphasis: {
barBorderRadius: 18,
color: '#0069FF'
}
}
option.series[i].barWidth = barWidth;
}
var maxData = 0, defaultData = 100;
for (var i = 0; i < option.series[0].data.length; i++) {
if(typeof option.series[0].data[i] === 'string' && !maxData) {
maxData = defaultData;
} else if (maxData < option.series[0].data[i]){
maxData = option.series[0].data[i];
}
}
for (var i = 0; i < option.series[0].data.length; i++) {
dataArr[i] = maxData;
}
var shadowSeries = {
type: 'bar',
// legendHoverLink: false,
z: 0,
itemStyle: {
normal: {
color: '#f5f5f5',
barBorderRadius: 18
},
emphasis: {
color: '#f5f5f5',
barBorderRadius: 18
}
},
label: {
show: false
},
barWidth: barWidth,
barGap: '-100%',
barCategoryGap: '40%',
data: dataArr,
animation: false
}
option.series.push(shadowSeries)
option.xAxis.max = 'dataMax';
// myChart.clear();
setTimeout(() => {
myChart.hideLoading();
}, 500);
myChart.setOption(option);
},
autoComplete(dataLen, data, type) {
if(dataLen < 10) {
for(let i = 0; i < 10; i++) {
if(!data[i] && data[i] != 0) {
data[i] = '';
}
}
}
return data;
}
}
}
</script>
<style>
.chart{
height:750.4upx;
width:706.52upx;
margin: 0 auto;
background: #FFFFFF;
margin-bottom: 18.2upx;
border-radius:7.24upx;
overflow: hidden;
}
</style>