151 lines
3.5 KiB
JavaScript
151 lines
3.5 KiB
JavaScript
import { injectPage } from '@jdmini/api'
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const { DATA_BASE_URL } = require('../../utils/config.js')
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Page(injectPage({})({
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data: {
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dataBaseUrl: DATA_BASE_URL,
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downloads: []
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},
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onShow() {
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this.loadDownloads()
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},
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// 加载下载记录
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loadDownloads() {
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try {
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const downloads = wx.getStorageSync('downloads') || []
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// 格式化时间
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const formattedDownloads = downloads.map(item => ({
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...item,
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downloadTimeStr: this.formatTime(item.downloadTime)
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}))
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this.setData({ downloads: formattedDownloads })
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} catch (error) {
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console.error('加载下载记录失败:', error)
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}
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},
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// 格式化时间
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formatTime(timestamp) {
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const date = new Date(timestamp)
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const year = date.getFullYear()
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const month = String(date.getMonth() + 1).padStart(2, '0')
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const day = String(date.getDate()).padStart(2, '0')
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const hours = String(date.getHours()).padStart(2, '0')
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const minutes = String(date.getMinutes()).padStart(2, '0')
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return `${year}-${month}-${day} ${hours}:${minutes}`
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},
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// 打开文件
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openFile(e) {
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const index = e.currentTarget.dataset.index
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const item = this.data.downloads[index]
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if (item.filePath) {
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// 尝试打开已保存的文件
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wx.openDocument({
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filePath: item.filePath,
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fileType: 'pdf',
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showMenu: true,
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fail: (err) => {
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console.error('打开文件失败:', err)
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// 文件可能被删除，重新下载
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this.redownload(item)
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}
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})
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} else {
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// 没有本地文件，重新下载
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this.redownload(item)
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}
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},
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// 重新下载
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redownload(item) {
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const pdfUrl = DATA_BASE_URL + item.pdfurl
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wx.showLoading({
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title: '加载中...',
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mask: true
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})
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wx.downloadFile({
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url: pdfUrl,
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success: (res) => {
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wx.hideLoading()
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if (res.statusCode === 200) {
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wx.openDocument({
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filePath: res.tempFilePath,
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fileType: 'pdf',
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showMenu: true
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})
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}
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},
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fail: () => {
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wx.hideLoading()
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wx.showToast({
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title: '加载失败',
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icon: 'none'
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})
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}
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})
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},
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// 删除下载记录
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deleteItem(e) {
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const index = e.currentTarget.dataset.index
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const item = this.data.downloads[index]
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wx.showModal({
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title: '提示',
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content: '确定删除此下载记录吗？',
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success: (res) => {
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if (res.confirm) {
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// 删除本地文件
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if (item.filePath) {
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try {
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const fs = wx.getFileSystemManager()
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fs.unlinkSync(item.filePath)
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} catch (error) {
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console.log('删除文件失败或文件不存在')
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}
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}
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// 更新记录
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const downloads = this.data.downloads.filter((_, i) => i !== index)
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this.setData({ downloads })
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// 更新存储
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const storageData = downloads.map(d => {
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const { downloadTimeStr, ...rest } = d
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return rest
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})
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wx.setStorageSync('downloads', storageData)
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wx.showToast({
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title: '已删除',
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icon: 'success'
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})
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}
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}
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})
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},
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// 跳转详情
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goDetail(e) {
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const id = e.currentTarget.dataset.id
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wx.navigateTo({
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url: `/pages/detail/detail?id=${id}`
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})
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},
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// 去浏览
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goHome() {
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wx.switchTab({
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url: '/pages/index/index'
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})
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}
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}))
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