echars 树图提示信息和默认展开项设置(按照展开四层来计算)

myChart.showLoading();
$.get(ROOT_PATH + 'data/asset/data/flare.json', function (data) {
    // console.log(data);

    // 第一层数据来源
    var firstDataName=data.name;
    // 第二层数据来源
    var secondDataName=[];
    // 第三层数据来源
    var thirdDataName=[];
    // 第四层数据来源
    var fourthDataName=[];

    data.children.forEach((item,index)=>{
        secondDataName.push(item.name);
        if(item.children){
            item.children.forEach((item1,index1)=>{
                thirdDataName.push(item1.name);
                if(item1.children){
                    item1.children.forEach((item2,index2)=>{
                        fourthDataName.push(item2.name);
                    });
                }
            });
        }
    });

    // console.log(firstDataName);
    // console.log(secondDataName);
    // console.log(thirdDataName);
    // console.log(fourthDataName);

    myChart.hideLoading();

    // 控制echars默认展开项
    let defaultArray=localStorage.getItem("defaultArray")||[{suoyin:0,suoyinArray:[1,2]},{suoyin:1,suoyinArray:[1,2]}];
    echarts.util.each(data.children, function (datum, index) {
        datum.collapsed = true;
    });
    for(var i=0;i<=defaultArray.length-1;i++){
        echarts.util.each(data.children, function (datum, index) {
            if(index===defaultArray[i].suoyin){
                datum.collapsed = false;
            }
        });
        let recordIndex=defaultArray[i].suoyin;
        echarts.util.each(data.children[recordIndex].children, function (datum, index) {
            for(var j=0;j<=defaultArray[i].suoyinArray.length-1;j++){
                if(index===defaultArray[i].suoyinArray[j]){
                    datum.collapsed = false;
                }
            }
        });
    }

    // 控制echars一次只能展开一个分支
    myChart.on('click',function(params){
        console.log(params);
        console.log(params.name);
    });

    myChart.setOption(option = {
        tooltip: {
            trigger: 'item',
            triggerOn: 'mousemove',
            formatter:function(resp){
                // console.log(resp);
                // console.log(resp.name);
                let sum=0;

                // 第一层提示信息展示
                if(firstDataName===resp.name){
                    // console.log("第一层数据格式化");
                    resp.data.children.forEach((item,index)=>{
                        if(item.children){
                            item.children.forEach((item1,index1)=>{
                                if(item1.children){
                                    item1.children.forEach((item2,index2)=>{
                                        if(item2.children){
                                            item2.children.forEach((item3,index3)=>{
                                                item3.value?sum=sum+item3.value:sum=sum+0;
                                            });
                                        }else{
                                            item2.value?sum=sum+item2.value:sum=sum+0;
                                        }
                                    });
                                }else{
                                    item1.value?sum=sum+item1.value:sum=sum+0;
                                }
                            });
                        }else{
                            item.value?sum=sum+item.value:sum=sum+0;
                        }
                    });
                    return firstDataName+' '+sum+ "万元";
                }
                // 第二层提示信息展示
                if(secondDataName.indexOf(resp.name)!=-1){
                    // console.log("第二层数据格式化");
                    if(resp.data.children){
                        resp.data.children.forEach((item,index)=>{
                            if(item.children){
                                item.children.forEach((item1,index1)=>{
                                    if(item1.children){
                                        item1.children.forEach((item2,index2)=>{
                                            if(item2.children){
                                                item2.children.forEach((item3,index3)=>{
                                                    item3.value?sum=sum+item3.value:sum=sum+0;
                                                });
                                            }else{
                                                item2.value?sum=sum+item2.value:sum=sum+0;
                                            }
                                        });
                                    }else{
                                        item1.value?sum=sum+item1.value:sum=sum+0;
                                    }
                                });
                            }else{
                                item.value?sum=sum+item.value:sum=sum+0;
                            }
                        });
                        return firstDataName+' '+resp.name+' '+sum+ "万元";
                    }else{
                        return firstDataName+' '+resp.data.value+ "万元";
                    }
                }
                // 第三层提示信息展示
                if(thirdDataName.indexOf(resp.name)!=-1){
                    // console.log("第三层数据格式化");
                    if(resp.data.children){
                        resp.data.children.forEach((item,index)=>{
                            if(item.children){
                                item.children.forEach((item1,index1)=>{
                                    if(item1.children){
                                        item1.children.forEach((item2,index2)=>{
                                            if(item2.children){
                                                item2.children.forEach((item3,index3)=>{
                                                    item3.value?sum=sum+item3.value:sum=sum+0;
                                                });
                                            }else{
                                                item2.value?sum=sum+item2.value:sum=sum+0;
                                            }
                                        });
                                    }else{
                                        item1.value?sum=sum+item1.value:sum=sum+0;
                                    }
                                });
                            }else{
                                item.value?sum=sum+item.value:sum=sum+0;
                            }
                        });
                        return firstDataName+' '+resp.name+' '+sum+ "万元";
                    }else{
                        return firstDataName+' '+resp.data.value+ "万元";
                    }
                }
                // 第四层提示信息展示(最后一层)
                if(fourthDataName.indexOf(resp.name)!=-1){
                    // console.log("第四层数据格式化");
                    return resp.name+' '+resp.data.value+'万元';
                }
            }
        },
        series: [
            {
                type: 'tree',

                data: [data],

                top: '1%',
                left: '7%',
                bottom: '1%',
                right: '20%',

                symbolSize: 7,

                label: {
                    normal: {
                        position: 'left',
                        verticalAlign: 'middle',
                        align: 'right',
                        fontSize: 9
                    }
                },

                leaves: {
                    label: {
                        normal: {
                            position: 'right',
                            verticalAlign: 'middle',
                            align: 'left'
                        }
                    }
                },

                expandAndCollapse: true,
                animationDuration: 550,
                animationDurationUpdate: 750
            }
        ]
    });
});