var qcanvas = new Qcanvas({
id: 'qcanvas',
width: 500,
height: 500,
})
qcanvas.quadraticCurve({
start: [20, 20],
handler: [100, 200],
end: [100, 20],
width: 1,
like: '<-->',
color: 'red',
drag: true,
withText: '我是个二次曲线',
handlerShow: true
})
qcanvas.quadraticCurve({
start: [200, 100],
handler: [230, 150],
end: [230, 80],
width: 1,
like: '->',
color: 'blue',
drag: true,
withText: '我也是个二次曲线',
handlerShow: true
})
qcanvas.quadraticCurve({
start: [200, 100],
handler: [230, 150],
end: [230, 80],
width: 1,
like: '<--',
color: 'blue',
drag: true,
withText: '我也是个二次曲线',
handlerShow: true
})