DashChartDemo.vue
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<template>
<div :style="{ padding: '0 0 32px 32px' }">
<v-chart :forceFit="true" :height="300" :data="chartData" :scale="scale">
<v-coord type="polar" :startAngle="-202.5" :endAngle="22.5" :radius="0.75"></v-coord>
<v-axis
dataKey="value"
:zIndex="2"
:line="null"
:label="axisLabel"
:subTickCount="4"
:subTickLine="axisSubTickLine"
:tickLine="axisTickLine"
:grid="null"
></v-axis>
<v-axis dataKey="1" :show="false"></v-axis>
<v-series
gemo="point"
position="value*1"
shape="pointer"
color="#1890FF"
:active="false"
></v-series>
<v-guide
type="arc"
:zIndex="0"
:top="false"
:start="arcGuide1Start"
:end="arcGuide1End"
:vStyle="arcGuide1Style"
></v-guide>
<v-guide
type="arc"
:zIndex="1"
:start="arcGuide2Start"
:end="getArcGuide2End"
:vStyle="arcGuide2Style"
></v-guide>
<v-guide
type="html"
:position="htmlGuidePosition"
:html="getHtmlGuideHtml()"
></v-guide>
</v-chart>
</div>
</template>
<script>
import {registerShape} from 'viser-vue';
registerShape('point', 'pointer', {
draw(cfg, container) {
let point = cfg.points[0];
point = this.parsePoint(point);
const center = this.parsePoint({
x: 0,
y: 0,
});
container.addShape('line', {
attrs: {
x1: center.x,
y1: center.y,
x2: point.x,
y2: point.y + 15,
stroke: cfg.color,
lineWidth: 5,
lineCap: 'round',
}
});
return container.addShape('circle', {
attrs: {
x: center.x,
y: center.y,
r: 9.75,
stroke: cfg.color,
lineWidth: 4.5,
fill: '#fff',
}
});
}
});
const scale = [{
dataKey: 'value',
min: 0,
max: 9,
tickInterval: 1,
nice: false,
}];
const data = [
{value: 7.0},
];
export default {
name: "DashChartDemo",
props: {
datasource: {
type: Number,
default: 7
},
title: {
type: String,
default: ''
}
},
created() {
if (!this.datasource) {
this.chartData = data;
} else {
this.chartData = [
{value: this.datasource},
];
}
this.getChartData()
},
watch: {
'datasource': function (val) {
this.chartData = [
{value: val},
];
this.getChartData();
}
},
methods: {
getChartData() {
if (this.chartData && this.chartData.length > 0) {
this.abcd = this.chartData[0].value * 10
} else {
this.abcd = 70
}
},
getHtmlGuideHtml() {
return '<div style="width: 300px;text-align: center;">\n' +
'<p style="font-size: 14px;color: #545454;margin: 0;">' + this.title + '</p>\n' +
'<p style="font-size: 36px;color: #545454;margin: 0;">' + this.abcd + '%</p>\n' +
'</div>'
},
getArcGuide2End() {
return [this.chartData[0].value, 0.945]
}
},
data() {
return {
chartData: [],
height: 400,
scale: scale,
abcd: 70,
axisLabel: {
offset: -16,
textStyle: {
fontSize: 18,
textAlign: 'center',
textBaseline: 'middle'
}
},
axisSubTickLine: {
length: -8,
stroke: '#fff',
strokeOpacity: 1,
},
axisTickLine: {
length: -17,
stroke: '#fff',
strokeOpacity: 1,
},
arcGuide1Start: [0, 0.945],
arcGuide1End: [9, 0.945],
arcGuide1Style: {
stroke: '#CBCBCB',
lineWidth: 18,
},
arcGuide2Start: [0, 0.945],
arcGuide2Style: {
stroke: '#1890FF',
lineWidth: 18,
},
htmlGuidePosition: ['50%', '100%'],
htmlGuideHtml: `
<div style="width: 300px;text-align: center;">
<p style="font-size: 14px;color: #545454;margin: 0;">${this.title}</p>
<p style="font-size: 36px;color: #545454;margin: 0;">${this.abcd}%</p>
</div>
`,
};
},
};
</script>