思维导图-仿幕布echarts roundRect配置项内容和展示

      option = {
        tooltip: {
            trigger: 'item',
            triggerOn: 'mousemove',
            backgroundColor : '#dfdfdf',
            textStyle: {
              color : 'black'
            }
        },
        series: [{
            type: "tree",
            symbolSize: 75,
            symbol: 'roundRect',
            
            edgeShape: 'polyline',
            edgeForkPosition: '50%',
            initialTreeDepth: 2,

            orient: 'vertical',

            itemStyle: {
              color: 'black',
              borderColor: 'black',
            },

            expandAndCollapse: true,
            animationDuration: 550,
            animationDurationUpdate: 750,
            
            lineStyle: {
                color: '#7b7b7b',
                width: 3
            },

            label: {
                    show: true,
                    position: 'inside',
                    textStyle: {
                        fontSize: 15,
                        color: '#fff',
                    },
            },

            leaves: {
                label: {
                    position: 'inside',
                    color: '#fff'
                },
                itemStyle: {
                    color: '#dfdfdf',
                    borderColor: '#dfdfdf',
                }
            },

            data: [{
            name: "根节点",
            url: '',
            // 根节点样式设置
            itemStyle: {
                color: '#a53626',
                borderColor: '#a53626',
            },
            children: [
              {
                name: "子节点1",
                children: [{
                name: "叶子节点1"
                }, {
                name: "叶子节点2"
                }, {
                name: "叶子节点3"
                }]
            }, {
                name: "子节点2",
                children: [{
                name: "叶子节点4"
                }, {
                name: "叶子节点5"
                }, {
                name: "叶子节点6"
                }]
            }]
            }],

        }]
        }