import value from '../../componets/drag-ball/drag-ball.js'; var list = [{x:100,y:50,radius:25},{x:200,y:50,radius:25},{x:300,y:50,radius:25}] function mapping(_this){ let data = value.list let context = uni.createCanvasContext('canvas',_this); for (let i = 0; i < data.length; i++) { context.beginPath(); context.arc(data[i].x, data[i].y, data[i].radius, 0, 2 * Math.PI, true); context.setFillStyle('#AAAAAA'); context.fill(); } context.draw(); } export default {mapping,list}