cytoscape.js在vue项目中的安装及案例

1. 安装：

npm i cytoscape --save

2. 引入：main.js

import cytoscape from 'cytoscape';
Vue.prototype.$cytoscape = cytoscape;

3. demo代码：

<template>
    <div id="MainCy" style=" 100%;height: 100%;"></div>
</template>
<script>
    export default {
        mounted() {
            var cy = this.$cytoscape({
                container: document.getElementById('MainCy'),

                layout: {
                    name: 'grid',
                    rows: 2,
                    cols: 2
                },

                style: [{
                        selector: 'node',
                        style: {
                            'content': 'data(name)',
                            'background-color': 'magenta',
                            'background-image': 'url(img/shixian.png)',
                        }
                    },

                    {
                        selector: 'edge',
                        style: {
                            'content': 'data(relationship)',
                            'curve-style': 'bezier',
                            'target-arrow-shape': 'triangle',
                            'color': 'red',
                        }
                    },

                    // some style for the extension

                    {
                        selector: '.eh-handle',
                        style: {
                            'background-color': 'red',
                            'width': 12,
                            'height': 12,
                            'shape': 'ellipse',
                            'overlay-opacity': 0,
                            'border-width': 12, // makes the handle easier to hit
                            'border-opacity': 0
                        }
                    },

                    {
                        selector: '.eh-hover',
                        style: {
                            'background-color': 'red'
                        }
                    },

                    {
                        selector: '.eh-source',
                        style: {
                            'border-width': 2,
                            'border-color': 'red'
                        }
                    },

                    {
                        selector: '.eh-target',
                        style: {
                            'border-width': 2,
                            'border-color': 'red'
                        }
                    },

                    {
                        selector: '.eh-preview, .eh-ghost-edge',
                        style: {
                            'background-color': 'red',
                            'line-color': 'red',
                            'target-arrow-color': 'red',
                            'source-arrow-color': 'red'
                        }
                    },

                    {
                        selector: '.eh-ghost-edge.eh-preview-active',
                        style: {
                            'opacity': 0
                        }
                    }
                ],

                elements: {
                    nodes: [{
                            data: {
                                id: 'j',
                                name: 'Jerry'
                            }
                        },
                        {
                            data: {
                                id: 'e',
                                name: 'Elaine'
                            }
                        },
                        {
                            data: {
                                id: 'k',
                                name: 'Kramer'
                            }
                        },
                        {
                            data: {
                                id: 'g',
                                name: 'George'
                            }
                        }
                    ],
                    edges: [{
                            data: {
                                source: 'j',
                                target: 'e'
                            }
                        },
                        {
                            data: {
                                source: 'j',
                                target: 'k'
                            }
                        },
                        {
                            data: {
                                source: 'j',
                                target: 'g'
                            }
                        },
                        {
                            data: {
                                source: 'e',
                                target: 'j'
                            }
                        },
                        {
                            data: {
                                source: 'e',
                                target: 'k',
                                relationship: '1'
                            }
                        },
                        {
                            data: {
                                source: 'k',
                                target: 'j',
                                relationship: '2'
                            }
                        },
                        {
                            data: {
                                source: 'k',
                                target: 'e',
                                relationship: '3'
                            }
                        },
                        {
                            data: {
                                source: 'k',
                                target: 'g',
                                relationship: '4'
                            }
                        },
                        {
                            data: {
                                source: 'g',
                                target: 'j',
                                relationship: '5'
                            }
                        }
                    ]
                }
            });
            cy.nodes().on('click', (evt) => {
                console.log(evt)
            });
            cy.edges().on('click', (evt) => {
                console.log(evt)
            });


        },
    }
</script>

demo效果：