Web前端文檔閱讀筆記-vis.js動態添加節點（vue cli環境）

這裏主要是針對vis的network圖進行節點動態添加

 

圖用的是vis.js，表單使用的是element-ui

程序運行截圖如下：

添加一個節點：

這裏是不需要刷新頁面就能添加的。

 

程序結構如下：

關鍵源碼如下：

FormGroup.vue

<template>
  <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
    <el-form-item label="id" prop="pass">
      <el-input v-model="ruleForm.pass" autocomplete="off"></el-input>
    </el-form-item>
    <el-form-item label="結點名" prop="checkPass">
      <el-input v-model="ruleForm.checkPass" autocomplete="off"></el-input>
    </el-form-item>
    <el-form-item label="連接到節點ID" prop="age">
      <el-input v-model.number="ruleForm.age"></el-input>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
      <el-button @click="resetForm('ruleForm')">重置</el-button>
    </el-form-item>
  </el-form>
</template>


<script>
  import {addNode} from 'JS/visTest.js'
  export default {
    data() {
      let checkAge = (rule, value, callback) => {

      };
      let validatePass = (rule, value, callback) => {

      };
      let validatePass2 = (rule, value, callback) => {

      };
      return {
        ruleForm: {
          pass: '',
          checkPass: '',
          age: ''
        },
        rules: {
          pass: [
            { validator: validatePass, trigger: 'blur' }
          ],
          checkPass: [
            { validator: validatePass2, trigger: 'blur' }
          ],
          age: [
            { validator: checkAge, trigger: 'blur' }
          ]
        }
      };
    },
    methods: {
      submitForm(formName) {

        addNode(this.ruleForm['pass'], this.ruleForm['checkPass'], this.ruleForm['age']);
      },
      resetForm(formName) {
        this.$refs[formName].resetFields();
      }
    }
  }
</script>

HelloWorld.vue

<template>

  <div>
    <div id="networkDemo" style="width:800px; height: 600px">
    </div>
    <FormGroup></FormGroup>
  </div>

</template>

<script>

  import {createNode} from 'JS/visTest.js'
  import FormGroup from './FormGroup'
export default {

  name: 'HelloWorld',
  mounted(){
    this.init();
  },
  components:{
    FormGroup
  },
  data () {
    return {
      msg: 'Welcome to Your Vue.js App'
    }
  },
  methods: {

    init(){
      createNode('networkDemo')
    }
  }
}
</script>

<style scoped>
</style>

main.js

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import router from './router'
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'

Vue.config.productionTip = false

Vue.use(ElementUI)

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  components: {App},
  template: '<App/>'
})

visTest.js

import vis from 'vis'

let nodes;
let edges;

export function createNode(idStr) {

  nodes = new vis.DataSet([
    {id: 1, label: 'Node 1'},
    {id: 2, label: 'Node 2'},
    {id: 3, label: 'Node 3'},
    {id: 4, label: 'Node 4'},
    {id: 5, label: 'Node 5'},
  ]);

  edges = new vis.DataSet([
    {from: 1, to: 3, label: 'Hello'},
    {from: 1, to: 2},
    {from: 2, to: 4},
    {from: 2, to: 5},
    {from: 3, to: 5}
  ])

  let container = document.getElementById(idStr);
  let data = {

    nodes: nodes,
    edges: edges
  };

  let options = {};
  let network = new vis.Network(container, data, options);
}

export function addNode(id, label, toId){

  let newNode = {id: id, label: label};
  let line = {from: id, to: toId};
  console.log(newNode)
  nodes.add(newNode);
  edges.add(line);
  console.log("add Node over");
}