发现一个很N且免费的html5拓扑图关系图生成组件

var nodes = new vis.DataSet();
var edges = new vis.DataSet();
var container = document.getElementById('mynetwork');
var data = {
    nodes: nodes,
    edges: edges
};
var options = {};
var network = new vis.Network(container, data, options);

function addNode(id, label, title) {
    nodes.add({
        id: id,
        label: id
    })
    this.addHisLog('node:' + id + ' add to container.');
}

function addEdge(fromId, toId, type) {
    var edge = {
        from: fromId,
        to: toId,
    }
    if (type === 1) {
        edge['label'] = 'releation'
        edge.arrows = 'to'
        edge.color = 'red'
        edge.length = 400
    } else {
        edge['label'] = 'arrows:circle'
        edge.arrows = {
            to: {
                type: 'circle'
            }
        }
        edge.length = 200
    }
    edges.add(edge);
    this.addHisLog('edge:' + fromId + ' ---> ' + toId + ' .type:' + type + ' add to container.');
}

function randomGetNodeId() {
    var names = Object.getOwnPropertyNames(nodes._data);
    var len = names.length;
    var index = Math.floor(Math.random() * len);
    return names[index];
}

function randomAddNode() {
    var type = 0
    if (Math.random() > 0.7)
        type = 1
    var id = Date.now();

    var fId = this.randomGetNodeId()
    this.addNode(id, id, null)
    this.addEdge(fId, id, type)

}

function randomAddEdge() {
    var fId = this.randomGetNodeId()
    var tId = this.randomGetNodeId()
    if (fId == tId)
        return;
    var type = 0
    if (Math.random() > 0.7)
        type = 1
    this.addEdge(fId, tId, type)


}

function addHisLog(message) {
    $('#hisLog').prepend('
' + message + '
')
    $('#hisLog div').remove('div:gt(8)')
}

network.on("click", function(params) {
    // randomAddNode()
    // if (params.nodes.length == 0)
    // return;
    // var names = Object.getOwnPropertyNames(nodes._data);
    // var len = names.length;
    // var index = Math.floor(Math.random() * len);
    // var _edgeId = names[index]

    // var id = Date.now();
    // nodes.add({
    // id: id,
    // label: id
    // })
    // var edge = {
    // from: params.nodes[0],
    // to: id,
    // }
    // if (Math.random() > 0.5) {
    // edge['label'] = 'releation'
    // edge.arrows = 'to'
    // edge.color = 'red'
    // } else {
    // edge['label'] = '父子'
    // edge.arrows = {
    // to: {
    // type: 'circle'
    // }
    // }
    // }
    // edges.add(edge);
});


$('#addTo').click(function() {
    _setIntervalId = setInterval(randomAddNode, 400)
})
$('#stop_addTo').click(function() {
    clearInterval(_setIntervalId)
})
$('#add_edge').click(function() {
    _setIntervalId2 = setInterval(randomAddEdge, 400)
})
$('#stop_edge').click(function() {
    clearInterval(_setIntervalId2)
})