如何在jquery中使用echarts实现可视化？很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
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function draw(){
var text = $("#graph-input").val();
var data = eval(text);
var graph = data2Graph(data);
drawGraph(graph);
}
function data2Graph(data) {
var graph = {}
var vertices = {}
var links = [];
for (var i = 0; i < data.length; i++) {
var s = String(data[i][0]);
var t = String(data[i][1]);
var v = data[i][2];
vertices[s] = s;
vertices[t] = t;
links.push({'source' : s, 'target' : t, 'value' : v});
}
var nodes = [];
$.each(vertices, function(k, v) {
nodes.push({'name' : v, 'value' : v});
});
graph['links'] = links;
graph['data'] = nodes;
return graph;
}
function drawGraph(graph) {
var myChart = echarts.init(document.getElementById("echarts-main"));
var option = {
tooltip: {},
series : [
{
type: 'graph',
layout: 'force',
symbolSize: 30,
edgeSymbol: ['none', 'arrow'],
data: graph.data,
links: graph.links,
roam: true,
label: {
normal: {
show: true,
formatter: function (e) {
return e['data']['value'];
}
}
},
edgeLabel: {
normal: {
show: true,
position: 'middle'
}
},
force: {
repulsion: 1000,
edgeLength: 200
}
}
]
};
myChart.setOption(option);
}
$(document).ready(function(){
draw();
$("#gen-btn").on("click", function(){
draw();
});
});
在下方文本框内输入有向图JSON（[source, target, value]）：
[[0,1,10], [1,0,1], [1,2,5], [2,0,5]]
生成力导向图
