index.js
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import React from 'react';
import { Chart, Geom, Axis, Coord, Guide, Shape } from 'bizcharts';
import autoHeight from '../autoHeight';
const { Arc, Html, Line } = Guide;
const defaultFormatter = (val) => {
switch (val) {
case '2':
return '差';
case '4':
return '中';
case '6':
return '良';
case '8':
return '优';
default:
return '';
}
};
Shape.registerShape('point', 'pointer', {
drawShape(cfg, group) {
let point = cfg.points[0];
point = this.parsePoint(point);
const center = this.parsePoint({
x: 0,
y: 0,
});
group.addShape('line', {
attrs: {
x1: center.x,
y1: center.y,
x2: point.x,
y2: point.y,
stroke: cfg.color,
lineWidth: 2,
lineCap: 'round',
},
});
return group.addShape('circle', {
attrs: {
x: center.x,
y: center.y,
r: 6,
stroke: cfg.color,
lineWidth: 3,
fill: '#fff',
},
});
},
});
@autoHeight()
export default class Gauge extends React.Component {
render() {
const {
title,
height,
percent,
forceFit = true,
formatter = defaultFormatter,
color = '#2F9CFF',
bgColor = '#F0F2F5',
} = this.props;
const cols = {
value: {
type: 'linear',
min: 0,
max: 10,
tickCount: 6,
nice: true,
},
};
const data = [{ value: percent / 10 }];
return (
<Chart height={height} data={data} scale={cols} padding={[-16, 0, 16, 0]} forceFit={forceFit}>
<Coord type="polar" startAngle={-1.25 * Math.PI} endAngle={0.25 * Math.PI} radius={0.8} />
<Axis name="1" line={null} />
<Axis
line={null}
tickLine={null}
subTickLine={null}
name="value"
zIndex={2}
gird={null}
label={{
offset: -12,
formatter,
textStyle: {
fontSize: 12,
fill: 'rgba(0, 0, 0, 0.65)',
textAlign: 'center',
},
}}
/>
<Guide>
<Line
start={[3, 0.905]}
end={[3, 0.85]}
lineStyle={{
stroke: color,
lineDash: null,
lineWidth: 2,
}}
/>
<Line
start={[5, 0.905]}
end={[5, 0.85]}
lineStyle={{
stroke: color,
lineDash: null,
lineWidth: 3,
}}
/>
<Line
start={[7, 0.905]}
end={[7, 0.85]}
lineStyle={{
stroke: color,
lineDash: null,
lineWidth: 3,
}}
/>
<Arc
zIndex={0}
start={[0, 0.965]}
end={[10, 0.965]}
style={{
stroke: bgColor,
lineWidth: 10,
}}
/>
<Arc
zIndex={1}
start={[0, 0.965]}
end={[data[0].value, 0.965]}
style={{
stroke: color,
lineWidth: 10,
}}
/>
<Html
position={['50%', '95%']}
html={() => {
return `
<div style="width: 300px;text-align: center;font-size: 12px!important;">
<p style="font-size: 14px; color: rgba(0,0,0,0.43);margin: 0;">${title}</p>
<p style="font-size: 24px;color: rgba(0,0,0,0.85);margin: 0;">
${data[0].value * 10}%
</p>
</div>`;
}}
/>
</Guide>
<Geom
line={false}
type="point"
position="value*1"
shape="pointer"
color={color}
active={false}
/>
</Chart>
);
}
}