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Reactjs react graph vis-Grapg即使在状态发生更改时也不会重新渲染_Reactjs_Graph_Rerender_React Graph Vis - Fatal编程技术网

Reactjs react graph vis-Grapg即使在状态发生更改时也不会重新渲染

Reactjs react graph vis-Grapg即使在状态发生更改时也不会重新渲染,reactjs,graph,rerender,react-graph-vis,Reactjs,Graph,Rerender,React Graph Vis,当我尝试更新悬停事件的状态时,实际状态值正在更改,但图形没有重新渲染 在控制台中,我可以看到节点标签更改为sample。但这张图表并没有重新招标 这是我的基于react函数的组件 import React, { useEffect, useState } from 'react'; import Graph from 'react-graph-vis'; import './vis-network.css'; function RelationGraph1() { const [grap

当我尝试更新悬停事件的状态时,实际状态值正在更改,但图形没有重新渲染

在控制台中,我可以看到节点标签更改为sample。但这张图表并没有重新招标

这是我的基于react函数的组件

import React, { useEffect, useState } from 'react';
import Graph from 'react-graph-vis';

import './vis-network.css';

function RelationGraph1() {
  const [graph, setGraph] = useState({
    nodes: [
      {
        id: 1,
        label: 'Node 1',
        title: '',
      },
      { id: 2, label: 'Node 2', title: '' },
      { id: 3, label: 'Node 3', title: '' },
      { id: 4, label: 'Node 4', title: '' },
      { id: 5, label: 'Node 5', title: '' },
    ],
    edges: [
      { from: 1, to: 2 },
      { from: 1, to: 3 },
      { from: 2, to: 4 },
      { from: 2, to: 5 },
    ],
  });

  const options = {
    layout: {
      hierarchical: false,
    },
    edges: {
      color: '#1D1D1D',
    },
    interaction: {
      hover: true,
      navigationButtons: true,
      tooltipDelay: 0,
    },
    nodes: {
      borderWidth: 0,
      borderWidthSelected: 0,
      color: '#0262C4',
      shape: 'circle',
      size: 1,
      shadow: {
        enabled: true,
        color: 'rgba(0,0,0,0.5)',
        size: 10,
        x: 5,
        y: 5,
      },
      font: {
        color: '#fff',
        size: 13,
        bold: {
          mod: 'bold',
        },
      },
    },
  };

  const events = {
    select: function (event) {
      var { nodes, edges } = event;
      console.log('Selected nodes:');
      console.log(nodes);
      console.log('Selected edges:');
      console.log(edges);
    },
    showPopup: (id) => { // node id
      const data = graph.nodes.map((el) => {
        if (el.id === id) {
          el.label = `sample node name`;
        }
        return el;
      });
      setGraph({ ...graph, nodes: data });
    },
  };

  return (
    <Graph
      graph={graph}
      options={options}
      events={events}
      style={{ height: '450px' }}
    />
  );
}

export default RelationGraph1;
import React,{useffect,useState}来自“React”;
从“react Graph vis”导入图形;
导入“/vis network.css”;
函数关系图1(){
const[graph,setGraph]=useState({
节点:[
{
id:1,
标签:“节点1”,
标题:“”,
},
{id:2,标签:'Node 2',标题:'},
{id:3,标签:'Node 3',标题:'},
{id:4,标签:'Node 4',标题:'},
{id:5,标签:'Node 5',标题:'},
],
边缘:[
{从:1到:2},
{从:1到:3},
{从:2到:4},
{从:2到:5},
],
});
常量选项={
布局:{
等级:错,
},
边缘:{
颜色:“#1d”,
},
互动:{
哈弗:没错,
导航按钮:正确,
tooltipDelay:0,
},
节点:{
边框宽度:0,
所选边界宽度:0,
颜色:'#0262C4',
形状:“圆”,
尺寸:1,
影子:{
启用:对,
颜色:“rgba(0,0,0,0.5)”,
尺寸:10,
x:5,
y:5,
},
字体:{
颜色:“#fff”,
尺码:13,
粗体:{
mod:'粗体',
},
},
},
};
常量事件={
选择:功能(事件){
var{nodes,edges}=事件;
log('所选节点:');
console.log(节点);
log('selectedges:');
控制台。原木(边缘);
},
showPopup:(id)=>{//节点id
const data=graph.nodes.map((el)=>{
如果(el.id==id){
el.label=`sample node name`;
}
返回el;
});
集合图({…图,节点:数据});
},
};
返回(
);
}
导出默认关系图1;

非常感谢你的帮助。谢谢

我能够在hoverNode事件中更新标签,如下所示:

    hoverNode: (e) => {
      const data = graph.nodes.map((el) => {
        if (el.id === e.node) return { ...el, label: "sample node name" };
        else return el;
      });

      const temp = { ...graph };
      temp.nodes = data;
      setGraph(temp);
    },
样本: