3.4.0
谷歌浏览器| 77.0.3865.120（正式版本）（64位）（同类群组：稳定）修订版| 416d6d8013e9adb6dd33b0c12e7614ff403d1a94-refs / branch-heads / 3865 @ {＃884}操作系统| Windows 10 OS版本1803（内部版本17134.1099）JavaScript | V8 7.7.299.13
https://jsfiddle.net/areuohm/y2not8em/32/
(function(){
var canvas = new fabric.Canvas('canvasWorkspaceFamiliogram', { selection: false });
fabric.Object.prototype.originX = fabric.Object.prototype.originY = 'center';
var itemM = new fabric.Rect({width: 30,height: 30,fill: 'white',stroke: 'black',strokeWidth: 1, left:50,top:50});
var itemF = new fabric.Circle({radius: 15,fill: 'white',stroke: 'black',strokeWidth: 1,left: 400,top: 200});
itemF.relations = [];
itemM.relations = [];
canvas.add(itemM);
canvas.add(itemF);
createSVGPath(itemF,itemM,canvas);
canvas.renderAll();
}());
function createSVGPath(startObj, endObj, context){
var svgCommands = [
[ 'L', startObj.left, startObj.top], …