/*** 使用遞歸將數組轉為樹形結構* 父ID屬性為parent*/public static array2Tree (array: any, parentId: number) {if (Tool.isEmpty(array)) {return [];}const result = [];for (let i = 0; i < array.length; i++) {const c = array[i];// console.log(Number(c.parent), Number(parentId));if (Number(c.parent) === Number(parentId)) {result.push(c);// 遞歸查看當前節點對應的子節點const children = Tool.array2Tree(array, c.id);if (Tool.isNotEmpty(children)) {c.children = children;}}}return result;} <a-table:columns="columns":row-key="record => record.id":data-source="level1":pagination="false":loading="loading"></a-table> /*** 一級分類樹，children屬性就是二級分類* [{* id: "",* name: "",* children: [{* id: "",* name: "",* }]* }]*/const level1 = ref(); // 一級分類樹，children屬性就是二級分類level1.value = []; /*** 數據查詢*/const handleQuery = () => {loading.value = true;axios.get("/category/all").then((response) => {loading.value = false;const data = response.data;if (data.success) {categorys.value = data.content;console.log("原始數組：", categorys.value);level1.value = [];level1.value = Tool.array2Tree(categorys.value, 0);console.log("樹形結構：", level1);} else {message.error(data.message);}});}; return {level1,} 創作挑戰賽新人創作獎勵來咯，堅持創作打卡瓜分現金大獎

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