今天就跟大家聊聊有关Echarts中怎么实现一个力导向图，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。

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html页面： 

js代码：

 $(function () {
	    	var  data = [{
                name: 'node01',
                des: 'nodedes01',
                symbolSize: 70,
                category: 0,
            }, {
                name: 'node02',
                des: 'nodedes02',
                symbolSize: 50,
                category: 1,
            }, {
                name: 'node03',
                des: 'nodedes3',
                symbolSize: 50,
                category: 1,
            }, {
                name: 'node04',
                des: 'nodedes04',
                symbolSize: 50,
                category: 1,
            },  {
                name: 'node99',
                des: 'nodedes99',
                symbolSize: 50,
                category: 1,
            }, {
                name: 'node05',
                des: 'nodedes05',
                symbolSize: 50,
                category: 1,
            }];
            var links = [{
                source: 'node01',
                target: 'node02',
                name: 'link01',
                des: 'link01des'
            }, {
                source: 'node01',
                target: 'node03',
                name: 'link02',
                des: 'link02des'
            }, {
                source: 'node01',
                target: 'node04',
                name: 'link03',
                des: 'link03des'
            }, {
                source: 'node04',
                target: 'node99',
                name: 'link99',
                des: 'link99des'
            }, {
                source: 'node01',
                target: 'node05',
                name: 'link04',
                des: 'link05des'
            }];
	
			var categories = [];
		    for (var i = 0; i < 2; i++) {
		        categories[i] = {
		            name: '类目' + i
		        };
		    }
	        var pieChart = echarts.init(document.getElementById("echarts-pie-chart"));
	        var pieoption = {
	            title : {
	                text: '某用户画像分析',
	            },
	            tooltip : {
	               formatter: function (x) {
	                	return x.data.des;
	            	}
	            },
	             legend: [{
		            // selectedMode: 'single',
		            data: categories.map(function (a) {
		                return a.name;
		            })
		        }],
	           
	            series : [
	                {
	                	  	type:'graph',
	                     	layout: 'force', //图的布局，类型为力导图
				           	symbolSize: 40, // 调整节点的大小
				            roam: true, // 是否开启鼠标缩放和平移漫游。默认不开启。如果只想要开启缩放或者平移,可以设置成 'scale' 或者 'move'。设置成 true 为都开启
				            edgeSymbol: ['circle', 'arrow'],
				            edgeSymbolSize: [2, 10],
				            edgeLabel: {
				                normal: {
				                    textStyle: {
				                        fontSize: 20
				                    }
				                }
				            },
			
			            	force: {
				                //力引导图基本配置
			                 	layoutAnimation:true,
			                    // xAxisIndex : 0, //x轴坐标 有多种坐标系轴坐标选项
			                    // yAxisIndex : 0, //y轴坐标
			                    gravity:0.02, //节点受到的向中心的引力因子。该值越大节点越往中心点靠拢。
			                    edgeLength: 30, //边的两个节点之间的距离，这个距离也会受 repulsion。[10, 50] 。值越小则长度越长
			                    repulsion: 2500 //节点之间的斥力因子。支持数组表达斥力范围，值越大斥力越大。
			                    // repulsion: 3000, //节点之间的斥力因子。支持数组表达斥力范围，值越大斥力越大。
			                    // edgeLength: 80 //边的两个节点之间的距离，这个距离也会受 repulsion。[10, 50] 。值越小则长度越长
				            },
				            draggable: true,
				            lineStyle: {
				                normal: {
				                    width: 2,
				                    color: '#4b565b',
				                }
				            },
				            label: {
				                normal: {
				                    show: true,
				                    textStyle: {}
				                }
				            },
				            edgeLabel: {
				                normal: {
				                    show: true,
				                    formatter: function (x) {
				                        return x.data.name;
				                    }
				                }
				            },
	                    
	                    data:data,
	                    links:links,
	                     categories: categories
	                }
	            ]	           
	        };
	        pieChart.setOption(pieoption);
	        $(window).resize(pieChart.resize);
	
	
	    });

最终展示效果如图：

看完上述内容，你们对Echarts中怎么实现一个力导向图有进一步的了解吗？如果还想了解更多知识或者相关内容，请关注创新互联行业资讯频道，感谢大家的支持。

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