更改后端的数据格式适配el-tree组织树

.markdown-body { line-height: 1.75; font-weight: 400; font-size: 16px; overflow-x: hidden; color: rgba(37, 41, 51, 1) }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 { line-height: 1.5; margin-top: 35px; margin-bottom: 10px; padding-bottom: 5px }
.markdown-body h1 { font-size: 24px; line-height: 38px; margin-bottom: 5px }
.markdown-body h2 { font-size: 22px; line-height: 34px; padding-bottom: 12px; border-bottom: 1px solid rgba(236, 236, 236, 1) }
.markdown-body h3 { font-size: 20px; line-height: 28px }
.markdown-body h4 { font-size: 18px; line-height: 26px }
.markdown-body h5 { font-size: 17px; line-height: 24px }
.markdown-body h6 { font-size: 16px; line-height: 24px }
.markdown-body p { line-height: inherit; margin-top: 22px; margin-bottom: 22px }
.markdown-body img { max-width: 100% }
.markdown-body hr { border-top: 1px solid rgba(221, 221, 221, 1); border-right: none; border-bottom: none; border-left: none; margin-top: 32px; margin-bottom: 32px }
.markdown-body code { border-radius: 2px; overflow-x: auto; background-color: rgba(255, 245, 245, 1); color: rgba(255, 80, 44, 1); font-size: 0.87em; padding: 0.065em 0.4em }
.markdown-body code, .markdown-body pre { font-family: Menlo, Monaco, Consolas, Courier New, monospace }
.markdown-body pre { overflow: auto; position: relative; line-height: 1.75 }
.markdown-body pre>code { font-size: 12px; padding: 15px 12px; margin: 0; word-break: normal; display: block; overflow-x: auto; color: rgba(51, 51, 51, 1); background: rgba(248, 248, 248, 1) }
.markdown-body a { text-decoration: none; color: rgba(2, 105, 200, 1); border-bottom: 1px solid rgba(209, 233, 255, 1) }
.markdown-body a:active, .markdown-body a:hover { color: rgba(39, 91, 140, 1) }
.markdown-body table { display: inline-block !important; font-size: 12px; width: auto; max-width: 100%; overflow: auto; border: 1px solid rgba(246, 246, 246, 1) }
.markdown-body thead { background: rgba(246, 246, 246, 1); color: rgba(0, 0, 0, 1); text-align: left }
.markdown-body tr:nth-child(2n) { background-color: rgba(252, 252, 252, 1) }
.markdown-body td, .markdown-body th { padding: 12px 7px; line-height: 24px }
.markdown-body td { min-width: 120px }
.markdown-body blockquote { color: rgba(102, 102, 102, 1); padding: 1px 23px; margin: 22px 0; border-left: 4px solid rgba(203, 203, 203, 1); background-color: rgba(248, 248, 248, 1) }
.markdown-body blockquote:after { display: block; content: "" }
.markdown-body blockquote>p { margin: 10px 0 }
.markdown-body ol, .markdown-body ul { padding-left: 28px }
.markdown-body ol li, .markdown-body ul li { margin-bottom: 0; list-style: inherit }
.markdown-body ol li .task-list-item, .markdown-body ul li .task-list-item { list-style: none }
.markdown-body ol li .task-list-item ol, .markdown-body ol li .task-list-item ul, .markdown-body ul li .task-list-item ol, .markdown-body ul li .task-list-item ul { margin-top: 0 }
.markdown-body ol ol, .markdown-body ol ul, .markdown-body ul ol, .markdown-body ul ul { margin-top: 3px }
.markdown-body ol li { padding-left: 6px }
.markdown-body .contains-task-list { padding-left: 0 }
.markdown-body .task-list-item { list-style: none }
@media (max-width: 720px) { .markdown-body h1 { font-size: 24px } .markdown-body h2 { font-size: 20px } .markdown-body h3 { font-size: 18px } }.markdown-body pre, .markdown-body pre>code.hljs { color: rgba(51, 51, 51, 1); background: rgba(248, 248, 248, 1) }
.hljs-comment, .hljs-quote { color: rgba(153, 153, 136, 1); font-style: italic }
.hljs-keyword, .hljs-selector-tag, .hljs-subst { color: rgba(51, 51, 51, 1); font-weight: 700 }
.hljs-literal, .hljs-number, .hljs-tag .hljs-attr, .hljs-template-variable, .hljs-variable { color: rgba(0, 128, 128, 1) }
.hljs-doctag, .hljs-string { color: rgba(221, 17, 68, 1) }
.hljs-section, .hljs-selector-id, .hljs-title { color: rgba(153, 0, 0, 1); font-weight: 700 }
.hljs-subst { font-weight: 400 }
.hljs-class .hljs-title, .hljs-type { color: rgba(68, 85, 136, 1); font-weight: 700 }
.hljs-attribute, .hljs-name, .hljs-tag { color: rgba(0, 0, 128, 1); font-weight: 400 }
.hljs-link, .hljs-regexp { color: rgba(0, 153, 38, 1) }
.hljs-bullet, .hljs-symbol { color: rgba(153, 0, 115, 1) }
.hljs-built_in, .hljs-builtin-name { color: rgba(0, 134, 179, 1) }
.hljs-meta { color: rgba(153, 153, 153, 1); font-weight: 700 }
.hljs-deletion { background: rgba(255, 221, 221, 1) }
.hljs-addition { background: rgba(221, 255, 221, 1) }
.hljs-emphasis { font-style: italic }
.hljs-strong { font-weight: 700 }

[ {  "componentCount": 5,  "categories": [    {      "componentCount": 5,      "elements": [        {          "newName": "Generic - 200mm",          "oldComponentKey": "M1697679454017_144344",          "oldName": "Generic - 200mm",          "newComponentKey": "M1697680099315_144344",          "type": "attribute"        },        {          "newName": "Interior - 138mm Partition (1-hr)",          "oldComponentKey": "M1697679454017_143858",          "oldName": "Interior - 138mm Partition (1-hr)",          "newComponentKey": "M1697680099315_143858",          "type": "geometry"        },        {          "newName": "Generic - 200mm",          "oldComponentKey": "M1697679454017_154279",          "oldName": "Generic - 200mm",          "newComponentKey": "M1697680099315_154279",          "type": "both"        },        {          "newName": "Generic - 200mm",          "oldComponentKey": "M1697679454017_150861",          "oldName": "Generic - 200mm",          "newComponentKey": "M1697680099315_150861",          "type": "attribute"        },        {          "newName": "Generic - 200mm",          "oldComponentKey": "M1697679454017_151331",          "oldName": "Generic - 200mm",          "newComponentKey": "M1697680099315_151331",          "type": "attribute"        }      ],
      "categoryName": "墙"
    }
  ]
}
]

这个是我们将数据展示成这样

这是我们的数据结构

[{	"id": 0,	"label": "全部",	"children": [{		"label": "屋顶",		"componentCount": 1,		"componentKey": "",		"id": 1,		"children": [{			"label": "对比组",			"id": 1,			"children": [{				"label": "新Concrete Deck - Tapered Insulation",				"id": "M1598257565598_1400561",				"componentKey": "新M1598257565598_140056",				"type": "new"			}, {				"label": "旧Concrete Deck - Tapered Insulation",				"id": "M1608039229034_1400561",				"componentKey": "新M1608039229034_140056",				"type": "old"			}]
		}]
	}, {
		"label": "模型组",
		"componentCount": 2,
		"componentKey": "",
		"id": 2,
		"children": [{
				"label": "对比组",
				"id": 2,
				"children": [{
					"label": "新Array Group 1",
					"id": "M1598257565598_1328311",
					"componentKey": "新M1598257565598_132831",
					"type": "new"
				}, {
					"label": "旧Array Group 1",
					"id": "M1608039229034_1328311",
					"componentKey": "新M1608039229034_132831",
					"type": "old"
				}]
			},
			{
				"label": "对比组2",
				"id": 3,
				"children": [{
					"label": "新Array Group 1",
					"id": "M1598257565598_1328311",
					"componentKey": "新M1598257565598_132831",
					"type": "new"
				}, {
					"label": "旧Array Group 1",
					"id": "M1608039229034_1328311",
					"componentKey": "新M1608039229034_132831",
					"type": "old"
				}]
			}

		]
	}]
}]

  componentList.changDataList = [{
    id: 0,
    label: "全部",
    children: [...changeDataChenged(res.data.data.changed.categories)]
  }]

const changeDataChenged = (data: any) => {
  return  data.map((item: any, index: number) => {
      return {
        label: item.categoryName ,
        componentCount: item.componentCount ? item.componentCount : 1,
        componentKey: item.componentKey ? item.componentKey : '',
        id: item.componentKey ? item.componentKey : index + 1,
        children: item.elements.length>0 ? item.elements.map((el:any,ind:any)=>{
          return {
          label: '对比组'+(ind+1),
          id: item.componentKey ? item.componentKey : index + 1,
          children: [
            {
              label: '新' +el.newName,
              id: el.newComponentKey + 1,
              componentKey: '新' + el.newComponentKey,
              type: "new"
            },
            {
              label: '旧' + el.oldName,
              id: el.oldComponentKey + 1,
              componentKey: '旧' + el.oldComponentKey,
              type: "old"
            }
          ]
        }
        }) : []
      }
  })
}