230 lines
6.9 KiB
TypeScript
230 lines
6.9 KiB
TypeScript
import { request } from '../../utils/request'
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import { OutfitItem, ClothesItem, PagedResult } from '../../types/models'
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import { normalizePaged, hasMorePaged } from '../../utils/paged'
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const CATEGORIES = [
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{ name: '全部', value: '' },
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{ name: '上装', value: '上装' },
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{ name: '下装', value: '下装' },
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{ name: '连衣裙', value: '连衣裙' },
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{ name: '外套', value: '外套' },
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{ name: '鞋', value: '鞋' },
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{ name: '配饰', value: '配饰' },
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]
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const PAGE_SIZE = 50
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Page({
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data: {
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uuid: '',
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isEdit: false,
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view: 'form' as 'form' | 'select',
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outfitName: '',
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outfitDesc: '',
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scene: '',
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selectedUuids: [] as string[],
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selectedItems: [] as ClothesItem[],
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categories: CATEGORIES,
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activeCategory: 0,
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allClothes: [] as ClothesItem[],
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selectLoading: true,
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loadingMore: false,
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hasMore: true,
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page: 1,
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saving: false,
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},
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onLoad(query: Record<string, string>) {
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const uuid = query.uuid || ''
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if (uuid) {
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this.setData({ uuid, isEdit: true })
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this.fetchOutfit(uuid)
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}
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},
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async fetchOutfit(uuid: string) {
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try {
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const outfit = await request<OutfitItem>({ url: `/outfit/${uuid}` })
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const uuids = outfit.items.map((i) => i.clothes_uuid)
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const clothes = await Promise.all(
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uuids.map(async (id) => {
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try {
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return await request<ClothesItem>({ url: `/clothes/${id}`, showError: false })
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} catch (e) {
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return { clothes_uuid: id } as ClothesItem
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}
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})
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)
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// 编辑态下也要填充已选快照，避免确认选衣时跨分类数据丢失
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const map = this.getSelectedMap()
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clothes.forEach((it) => {
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map[it.clothes_uuid] = it
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})
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this.setData({
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outfitName: outfit.outfit_name,
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outfitDesc: outfit.outfit_desc,
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scene: outfit.scene,
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selectedUuids: uuids,
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selectedItems: clothes,
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})
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} catch (e) {}
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},
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// 已选衣物快照：跨分类切换时列表只保留当前分类，快照保留全部已选项
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getSelectedMap(): Record<string, ClothesItem> {
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if (!(this as any).selectedMap) (this as any).selectedMap = {}
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return (this as any).selectedMap
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},
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onNameInput(e: WechatMiniprogram.Input) {
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this.setData({ outfitName: e.detail.value })
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},
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onDescInput(e: WechatMiniprogram.Input) {
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this.setData({ outfitDesc: e.detail.value })
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},
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onSceneInput(e: WechatMiniprogram.Input) {
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this.setData({ scene: e.detail.value })
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},
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openSelect() {
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this.setData({ view: 'select', selectLoading: true, page: 1, hasMore: true })
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this.fetchAllClothes(1)
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},
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backToForm() {
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this.setData({ view: 'form' })
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},
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fetchAllClothes(page = 1) {
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const cat = CATEGORIES[this.data.activeCategory].value
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const params: Record<string, any> = { page, page_size: PAGE_SIZE }
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if (cat) params.category_main = cat
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// 请求序号：切换分类时旧响应可能后到，序号不匹配直接丢弃
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const seq = ((this as any).reqSeq || 0) + 1
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;(this as any).reqSeq = seq
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if (page > 1) this.setData({ loadingMore: true })
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request<PagedResult<ClothesItem>>({ url: '/clothes', data: params })
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.then((res) => {
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if ((this as any).reqSeq !== seq) return
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const { list: raw, total } = normalizePaged<ClothesItem>(res)
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const list = raw.map((it) => ({
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...it,
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_selected: this.data.selectedUuids.indexOf(it.clothes_uuid) >= 0,
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}))
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const merged = page === 1 ? list : this.data.allClothes.concat(list)
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this.setData({
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allClothes: merged,
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selectLoading: false,
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loadingMore: false,
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page,
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hasMore: hasMorePaged(merged, total, PAGE_SIZE),
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})
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})
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.catch(() => {
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if ((this as any).reqSeq !== seq) return
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this.setData({ selectLoading: false, loadingMore: false })
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})
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},
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onCategoryTap(e: WechatMiniprogram.TouchEvent) {
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const index = Number(e.currentTarget.dataset.index)
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if (index === this.data.activeCategory) return
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this.setData({ activeCategory: index, selectLoading: true, page: 1, hasMore: true })
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this.fetchAllClothes(1)
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},
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onReachBottom() {
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if (this.data.view !== 'select') return
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if (!this.data.hasMore || this.data.selectLoading || this.data.loadingMore) return
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this.fetchAllClothes(this.data.page + 1)
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},
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onToggleSelect(e: WechatMiniprogram.CustomEvent) {
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const item = e.detail.item as ClothesItem
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const uuids = this.data.selectedUuids
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const map = this.getSelectedMap()
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if (uuids.indexOf(item.clothes_uuid) >= 0) {
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delete map[item.clothes_uuid]
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this.syncSelect(uuids.filter((u) => u !== item.clothes_uuid))
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return
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}
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if (uuids.length >= 10) {
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wx.showToast({ title: '最多选择 10 件衣物', icon: 'none' })
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return
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}
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map[item.clothes_uuid] = item
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this.syncSelect([...uuids, item.clothes_uuid])
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},
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syncSelect(uuids: string[]) {
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this.setData({
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selectedUuids: uuids,
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allClothes: this.data.allClothes.map((it) => ({
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...it,
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_selected: uuids.indexOf(it.clothes_uuid) >= 0,
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})),
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})
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},
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confirmSelect() {
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const map = this.getSelectedMap()
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// 以快照为准：只从当前分类列表里过滤会丢掉其它分类已选的衣物
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const selectedItems = this.data.selectedUuids.map(
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(u) => map[u] || ({ clothes_uuid: u } as ClothesItem)
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)
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this.setData({ view: 'form', selectedItems })
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},
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onSave() {
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if (this.data.saving) return
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const name = this.data.outfitName.trim()
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if (!name) {
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wx.showToast({ title: '请填写穿搭名称', icon: 'none' })
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return
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}
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if (!this.data.selectedUuids.length) {
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wx.showToast({ title: '至少选择 1 件衣物', icon: 'none' })
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return
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}
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const body = {
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outfit_name: name,
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outfit_desc: this.data.outfitDesc,
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scene: this.data.scene,
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items: this.data.selectedUuids.map((u) => ({ clothes_uuid: u })),
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}
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this.setData({ saving: true })
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const req = this.data.isEdit
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? request({ url: `/outfit/${this.data.uuid}`, method: 'PUT', data: body })
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: request({ url: '/outfit', method: 'POST', data: body })
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req
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.then(() => {
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this.setData({ saving: false })
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wx.showToast({ title: '已保存', icon: 'success' })
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setTimeout(() => wx.navigateBack(), 500)
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})
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.catch(() => this.setData({ saving: false }))
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},
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onDelete() {
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wx.showModal({
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title: '确认删除这套穿搭？',
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content: '删除后不可恢复，但不会影响衣橱内的单品。',
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confirmText: '确认删除',
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confirmColor: '#FF3B30',
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success: (res) => {
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if (!res.confirm) return
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request({ url: `/outfit/${this.data.uuid}`, method: 'DELETE' })
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.then(() => {
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wx.showToast({ title: '已删除', icon: 'success' })
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setTimeout(() => wx.navigateBack(), 500)
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})
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.catch(() => {})
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},
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})
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},
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})
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