vue 集成jTopo 处理方法

<template>
<div>
<PanelBase title="拓扑图">
<div slot="head-btns" class="panel-head-btns"></div>
<div slot="body-content">
<section class="table-section">
<canvas width="2000" height="600" id="canvas"></canvas>
</section>
</div>
</PanelBase>
</div>
</template>
let canvas = document.getElementById("canvas");
that.stage = new JTopo.Stage(canvas);
that.scene = new JTopo.Scene(that.stage);
that.scene.background = "/jo/aa.png";
let s1 = that.node("a1", 305, 43, "server.png");
s1.alarm = "2 W";
let s2 = that.node("a2", 365, 43, "server.png");
let s3 = that.node("a3", 425, 43, "server.png");
let g1 = that.node("a4", 366, 125, "gather.png");
that.linkNode(s1, g1, true);
that.linkNode(s2, g1, true);
that.linkNode(s3, g1, true);
let w1 = that.node("a5", 324, 167, "wanjet.png");
that.linkNode(g1, w1);
let c1 = that.node("a6", 364, 214, "center.png");
that.linkNode(w1, c1);
let cloud = that.node("a7", 344, 259, "cloud.png");
that.linkNode(c1, cloud);
let c2 = that.node("a8", 364, 328, "center.png");
that.linkNode(cloud, c2);
let w2 = that.node("a9", 324, 377, "wanjet.png");
that.linkNode(c2, w2);
linkNode(nodeA: number, nodeZ: number, f: boolean) {
/连线/
let link;
if (f) {
link = new JTopo.FoldLink(nodeA, nodeZ);
} else {
link = new JTopo.Link(nodeA, nodeZ);
}
link.direction = "vertical";
this.scene.add(link);
return link;
},
hostLink(nodeA: any, nodeZ: any, name: string) {
let link1 = new JTopo.FlexionalLink(nodeA, nodeZ, name);
//var link = new JTopo.FlexionalLink(nodeA, nodeZ, text);
//var link = new JTopo.FlexionalLink(nodeA, nodeZ, text);// 二次折线
link1.shadow = false;
link1.offsetGap = 44;
this.scene.add(link1);
return link1;
}