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console 命令行工具 X clear

                    
>
console
var app=new Vue({
    el:'#app',
    mounted:function(){
        this.setRowSpan(this.items);
    },
    data:{
        tableData:[],
        items: [
            {
                "id": "20200819114914431512978282739397", 
                "title": "1", 
                "children": [
                    {
                        "id": "20200819114914431988275545379160", 
                        "title": "1-1", 
                        "children": [
                            {
                                "id": "20200819114914431377777323620755", 
                                "title": "1-1-1", 
                                "children": [
                                    {
                                        "id": "20200819114914431065815836218987", 
                                        "title": "1-1-1-1", 
                                        "score": "1", 
                                    }, 
                                    {
                                        "id": "20200819114914431326477656591155", 
                                        "title": "1-1-1-2", 
                                        "score": "1", 
                                    }
                                ]
                            }, 
                            {
                                "id": "20200819114914431905044736667004", 
                                "title": "1-1-2", 
                                "children": [
                                    {
                                        "id": "20200819114914431486082512558725", 
                                        "title": "1-1-2-1", 
                                        "score": "2", 
                                    }, 
                                    {
                                        "id": "20200819114914431118667752846076", 
                                        "title": "1-1-2-2", 
                                        "score": "1", 
                                    }
                                ]
                            }, 
                            {
                                "id": "20200819114914431707324758821087", 
                                "title": "1-1-3", 
                                "children": [
                                    {
                                        "id": "20200819114914431258440217023181", 
                                        "title": "1-1-3-1", 
                                        "score": "5", 
                                    }
                                ]
                            }, 
                            {
                                "id": "20200819114914431862121680793147", 
                                "title": "1-1-4", 
                                "children": [
                                    {
                                        "id": "20200819114914431874685436939791", 
                                        "title": "1-1-4-1", 
                                        "score": "3", 
                                    }
                                ]
                            }, 
                        ]
                    }
                ]
            }, 
            {
                "id": "20200819114914447842529244730509", 
                "title": "2", 
                "children": [
                    {
                        "id": "20200819114914447624569744115581", 
                        "title": "2-1", 
                        "children": [
                            {
                                "id": "20200819114914447285773048280298", 
                                "title": "2-1-1", 
                                "children": [
                                    {
                                        "id": "20200819114914447819334606460065", 
                                        "title": "2-1-1-1", 
                                        "score": "2", 
                                    }, 
                                    {
                                        "id": "20200819114914447694695507844228", 
                                        "title": "2-1-1-2", 
                                        "score": "4", 
                                    }, 
                                    {
                                        "id": "20200819114914447229039325972787", 
                                        "title": "2-1-1-3", 
                                        "score": "2", 
                                    }, 
                                    {
                                        "id": "20200819114914447294852468617886", 
                                        "title": "2-1-1-4", 
                                        "score": "2", 
                                    }
                                ]
                            }, 
                            {
                                "id": "20200819114914447505221806998993", 
                                "title": "2-1-2", 
                                "children": [
                                    {
                                        "id": "20200819114914447720249453847851", 
                                        "title": "2-1-2-1", 
                                        "score": "4", 
                                    }, 
                                    {
                                        "id": "20200819114914447828365527250571", 
                                        "title": "2-1-2-2", 
                                        "score": "4", 
                                    }
                                ]
                            }
                        ]
                    }, 
                    {
                        "id": "20200819114914447096808820872104", 
                        "title": "2-2", 
                        "children": [
                            {
                                "id": "20200819114914447691995108798337", 
                                "title": "2-2-1", 
                                "children": [
                                    {
                                        "id": "20200819114914447481425897762791", 
                                        "title": "2-2-1-1", 
                                        "score": "3", 
                                    }, 
                                    {
                                        "id": "20200819114914447201468421830553", 
                                        "title": "2-2-1-2", 
                                        "score": "3", 
                                    }
                                ]
                            }, 
                            {
                                "id": "20200819114914447852169208559011", 
                                "title": "2-2-2", 
                                "children": [
                                    {
                                        "id": "20200819114914447674409118911751", 
                                        "title": "2-2-2-1", 
                                        "score": "1", 
                                    }, 
                                    {
                                        "id": "20200819114914447448689850164774", 
                                        "title": "2-2-2-2", 
                                        "score": "1", 
                                    }, 
                                    {
                                        "id": "20200819114914447100263681761375", 
                                        "title": "2-2-2-3", 
                                        "score": "2", 
                                    }
                                ]
                            }
                        ]
                    }, 
                    {
                        "id": "20200819114914447603935335608743", 
                        "title": "2-3", 
                        "children": [
                            {
                                "id": "20200819114914447848672720497805", 
                                "title": "2-3-1", 
                                "children": [
                                    {
                                        "id": "20200819114914447829883067630878", 
                                        "title": "2-3-1-1", 
                                        "score": "1", 
                                    }, 
                                    {
                                        "id": "20200819114914447002047114035466", 
                                        "title": "2-3-1-2", 
                                        "score": "2", 
                                    }, 
                                    {
                                        "id": "20200819114914447820110186017040", 
                                        "title": "2-3-1-3", 
                                        "score": "3", 
                                    }
                                ]
                            }, 
                            {
                                "id": "20200819114914447913126208866185", 
                                "title": "2-3-2", 
                                "children": [
                                    {
                                        "id": "20200819114914447649722011046838", 
                                        "title": "2-3-1-1", 
                                        "score": "2", 
                                    }, 
                                    {
                                        "id": "20200819114914447441560655860340", 
                                        "title": "2-3-1-2", 
                                        "score": "2", 
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }, 
        ]

    },
    methods:{
        //给前三级添加rowspan属性
        setRowSpan:function(arr){
            var that=this;
            arr.forEach(val=>{
                var num1=0;
                val.children.forEach(val2=>{
                    var num2=0;
                    val2.children.forEach(val3=>{
                        val3.rowspan=val3.children.length;
                        num2+=val3.rowspan;
                    })
                    val2.rowspan=num2;
                    num1+=val2.rowspan;
                })
                val.rowspan=num1;
            })
            that.tableData=[].concat(arr);
        }
    }
})
<div id="app">
    <table class="eval-table">
            <tr>
                <th>一级</th>
                <th>二级</th>
                <th>三级</th>
                <th>四级</th>
                <th>分值</th>
            </tr>
            <!-- 1 -->
            <template v-for='(item,itemIndex) in tableData'>
                <tr>
                    <td :rowspan="item.rowspan">{{item.title}}</td>
                    <!-- 1-1 -->
                    <template v-for='(key,keyIndex) in item.children' v-if='keyIndex == 0'>
                        <td :rowspan="key.rowspan">{{key.title}}</td>
                        <!-- 1-1-1 -->
                        <template v-for='(data,dataIndex) in key.children' v-if='dataIndex == 0'>
                            <td :rowspan="data.rowspan">{{data.title}}</td>
                            <!-- 1-1-1-1 -->
                            <template v-for='(info,infoIndex) in data.children' v-if='infoIndex == 0'>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </template>
                        </template>
                    </template>
                </tr>

                <!-- 1-1-1-2... -->
                <template v-for='(key,keyIndex) in item.children' v-if='keyIndex == 0'>
                    <template v-for='(data,dataIndex) in key.children' v-if='dataIndex == 0'>
                        <template v-for='(info,infoIndex) in data.children' v-if='infoIndex > 0'>
                            <tr>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </tr>
                        </template>
                    </template>
                </template>

                <!-- 1-1-2-1 && 1-1-2-2... -->
                <template v-for='(key,keyIndex) in item.children' v-if='keyIndex == 0'>
                    <template v-for='(data,dataIndex) in key.children' v-if='dataIndex > 0'>
                        <tr>
                            <td :rowspan="data.rowspan">{{data.title}}</td>
                            <template v-for='(info,infoIndex) in data.children' v-if='infoIndex == 0'>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </template>
                        </tr>
                        <template v-for='(info,infoIndex) in data.children' v-if='infoIndex > 0'>
                            <tr>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </tr>
                        </template>
                    </template>
                </template>

               <!-- 1-2..... -->
                <template v-for='(key,keyIndex) in item.children' v-if='keyIndex > 0'>
                    <tr>
                        <td :rowspan="key.rowspan">{{key.title}}</td>
                        <template v-for='(data,dataIndex) in key.children' v-if='dataIndex == 0'>
                            <td :rowspan="data.rowspan">{{data.title}}</td>
                            <template v-for='(info,infoIndex) in data.children' v-if='infoIndex == 0'>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </template>
                        </template>
                    </tr>
                    <template v-for='(data,dataIndex) in key.children' v-if='dataIndex == 0'>
                        <template v-for='(info,infoIndex) in data.children' v-if='infoIndex > 0'>
                            <tr>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </tr>
                        </template>
                    </template>
                    <template v-for='(data,dataIndex) in key.children' v-if='dataIndex > 0'>
                        <tr>
                            <td :rowspan="data.rowspan">{{data.title}}</td>
                            <template v-for='(info,infoIndex) in data.children' v-if='infoIndex == 0'>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </template>
                        </tr>
                        <template v-for='(info,infoIndex) in data.children' v-if='infoIndex > 0'>
                            <tr>
                                <td>{{info.title}}</td>
                                <td>{{info.score}}</td>
                            </tr>
                        </template>
                    </template>
                </template>

            </template>
        </table>
</div>
.eval-table{border:1px solid #e8e8e8;border-collapse:collapse;width:100%}
.eval-table th{background:#f6f9fe;}
.eval-table th,.eval-table td{border:1px solid #e8e8e8; line-height:30px;text-align:center;}
.eval-table td{position:relative; padding:5px;}



本项目引用的自定义外部资源