378 lines
12 KiB
JavaScript
378 lines
12 KiB
JavaScript
/**
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* 自定义底部导航栏组件 - 公众号客服交互模式
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*
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* 功能清单：
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* 1. 3个Tab切换（首页/设备/任务）
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* 2. 右侧键盘图标 → 跳转到聊天页
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* 3. 聊天输入模式 - 文字模式（默认）
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* 4. 左侧🔊小喇叭 → 切换到语音录制模式
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* 5. 语音模式下左侧⌨键盘 → 切回文字模式
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* 6. 按住说话 → 松开发送
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* 7. 语音转文字（模拟）
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*/
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Component({
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data: {
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// ---- TabBar 相关 ----
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currentTab: 0,
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tabList: [
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{ pagePath: '/pages/index/index', icon: '/assets/icons/home.png', selectedIcon: '/assets/icons/home-active.png', text: '首页' },
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{ pagePath: '/pages/chat/chat', icon: '/assets/icons/chat.png', selectedIcon: '/assets/icons/chat-active.png', text: '设备' },
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{ pagePath: '/pages/task/task', icon: '/assets/icons/task.png', selectedIcon: '/assets/icons/task-active.png', text: '任务' }
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],
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// ---- 聊天面板相关 ----
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showChatPanel: false,
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// ---- 输入模式 ----
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voiceMode: false,
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inputText: '',
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hasInput: false,
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inputFocus: true,
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// ---- 语音录制相关 ----
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isRecording: false,
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recordStartTime: 0,
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recorderManager: null,
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tempFilePath: '',
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// ---- 语音转文字 ----
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isVoiceToText: false,
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// ---- 软键盘适配 ----
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keyboardHeight: 0,
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tabBarBottom: 0,
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},
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lifetimes: {
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attached() {
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this._initRecorder()
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this._initAudioPlayer()
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this._calcKeyboardStyle()
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}
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},
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pageLifetimes: {
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show() {
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const pages = getCurrentPages()
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const currentPage = pages[pages.length - 1]
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const isChatPage = currentPage && currentPage.route === 'pages/chat/chat'
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console.log('[TabBar] 页面显示:', currentPage ? currentPage.route : '未知', '→', isChatPage ? '聊天模式' : '导航模式')
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this.setData({ showChatPanel: isChatPage })
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if (!isChatPage) {
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this.setData({ keyboardHeight: 0, inputText: '', hasInput: false })
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this._calcKeyboardStyle()
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}
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}
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},
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methods: {
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/* ==========================================================
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一、TabBar 切换
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========================================================== */
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onSwitchTab(e) {
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const { index, path } = e.currentTarget.dataset
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if (index === this.data.currentTab) return
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console.log('[TabBar] 切换到:', this.data.tabList[index].text)
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this.setData({ currentTab: index })
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wx.switchTab({
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url: path,
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fail: (err) => {
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console.error('[TabBar] 页面跳转失败:', err)
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this.setData({ currentTab: index === 0 ? 1 : 0 })
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}
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})
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},
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/* ==========================================================
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二、聊天页面跳转
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========================================================== */
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goToChat() {
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this._stopRecordingIfNeeded()
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wx.switchTab({ url: '/pages/chat/chat' })
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},
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goHome() {
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this._stopRecordingIfNeeded()
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this.setData({
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keyboardHeight: 0,
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inputText: '',
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hasInput: false,
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voiceMode: false,
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isRecording: false,
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isVoiceToText: false,
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inputFocus: false
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})
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this._calcKeyboardStyle()
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wx.switchTab({ url: '/pages/index/index' })
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},
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/* ==========================================================
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三、输入模式切换（文字 ↔ 语音）
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========================================================== */
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switchToVoiceMode() {
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console.log('[输入] 切换到语音模式')
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wx.hideKeyboard()
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this.setData({ voiceMode: true, inputFocus: false })
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wx.showToast({ title: '已切换为语音模式', icon: 'none', duration: 1000 })
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},
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switchToTextMode() {
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console.log('[输入] 切换到文字模式')
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this._stopRecordingIfNeeded()
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this.setData({ voiceMode: false, isRecording: false, inputFocus: true })
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wx.showToast({ title: '已切换为文字模式', icon: 'none', duration: 1000 })
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},
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/* ==========================================================
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四、文字消息收发
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========================================================== */
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onInputChange(e) {
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const val = e.detail.value
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this.setData({ inputText: val, hasInput: !!val.trim() })
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},
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_calcKeyboardStyle() {
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const sys = wx.getSystemInfoSync()
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const rpxToPx = sys.windowWidth / 750
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const tabH = Math.round(100 * rpxToPx)
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const kbH = this.data.keyboardHeight
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this.setData({ tabBarBottom: kbH })
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},
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onInputFocus(e) {
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const h = e.detail.height || 0
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console.log('[键盘] focus 高度:', h, 'px')
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if (h > 0) {
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this.setData({ keyboardHeight: h })
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this._calcKeyboardStyle()
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}
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},
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onKeyboardHeightChange(e) {
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const h = e.detail.height || 0
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console.log('[键盘] 实时高度:', h, 'px')
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this.setData({ keyboardHeight: h })
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this._calcKeyboardStyle()
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},
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onInputBlur() {
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this.setData({ keyboardHeight: 0 })
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this._calcKeyboardStyle()
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},
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sendTextMessage() {
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const text = this.data.inputText.trim()
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if (!text) {
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wx.showToast({ title: '请输入消息', icon: 'none' })
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return
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}
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this.setData({ inputText: '', hasInput: false })
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const pages = getCurrentPages()
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const chatPage = pages.find(p => p.route === 'pages/chat/chat')
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if (chatPage && chatPage.sendMessage) {
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chatPage.sendMessage(text)
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}
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},
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/* ==========================================================
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五、语音录制功能
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========================================================== */
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_initRecorder() {
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try {
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const manager = wx.getRecorderManager()
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manager.onStart(() => {
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console.log('[录音] 开始录制')
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this.setData({ isRecording: true, recordStartTime: Date.now() })
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})
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manager.onStop((res) => {
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console.log('[录音] 录制结束:', res.tempFilePath, res.duration + 'ms')
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const duration = res.duration || (Date.now() - this.data.recordStartTime)
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this.setData({ isRecording: false, tempFilePath: res.tempFilePath || '' })
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if (duration < 500) {
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console.log('[录音] 录制时间过短，忽略')
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return
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}
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this._sendVoiceMessage(res.tempFilePath || this.data.tempFilePath, duration)
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})
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manager.onError((err) => {
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console.error('[录音] 错误:', err)
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this.setData({ isRecording: false })
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wx.showToast({ title: '录音失败: ' + (err.errMsg || '未知错误'), icon: 'none' })
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})
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this.setData({ recorderManager: manager })
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} catch (e) {
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console.warn('[录音] 初始化失败，可能不支持录音:', e)
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this.setData({ recorderManager: null })
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}
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},
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startRecordVoice() {
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const mgr = this.data.recorderManager
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if (!mgr) {
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wx.showToast({ title: '录音功能不可用', icon: 'none' })
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return
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}
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console.log('[录音] 手指按下，开始录音...')
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wx.vibrateShort({ type: 'medium' })
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mgr.start({ duration: 60000, sampleRate: 16000, numberOfChannels: 1, encodeBitRate: 48000, format: 'mp3' })
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},
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stopRecordVoice() {
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const mgr = this.data.recorderManager
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if (!mgr || !this.data.isRecording) return
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console.log('[录音] 手指松开，停止录音')
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wx.vibrateShort({ type: 'light' })
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mgr.stop()
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},
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cancelRecordVoice() {
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const mgr = this.data.recorderManager
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if (!mgr || !this.data.isRecording) return
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console.log('[录音] 取消录音')
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wx.vibrateShort({ type: 'light' })
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mgr.stop()
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this.setData({ isRecording: false, tempFilePath: '' })
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wx.showToast({ title: '已取消发送', icon: 'none' })
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},
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_stopRecordingIfNeeded() {
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if (this.data.isRecording && this.data.recorderManager) {
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try { this.data.recorderManager.stop() } catch (e) { /* ignore */ }
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this.setData({ isRecording: false })
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}
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},
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_sendVoiceMessage(tempFilePath, durationMs) {
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const durationSec = Math.ceil(durationMs / 1000)
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const pages = getCurrentPages()
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const chatPage = pages.find(p => p.route === 'pages/chat/chat')
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if (!chatPage || !chatPage.sendMessage) return
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chatPage.sendMessage(`[语音消息 ${durationSec}秒]`)
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setTimeout(() => {
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chatPage.sendMessage('🎤 我已经收到您的语音消息了。目前语音识别功能还在完善中，您也可以直接打字告诉我需要什么帮助哦～')
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}, 1200)
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},
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/* ==========================================================
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六、语音转文字（点击🎤按钮触发）
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========================================================== */
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toggleVoiceToText() {
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if (this.data.isVoiceToText) {
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this.stopVoiceToText()
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} else {
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this.startVoiceToText()
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}
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},
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startVoiceToText() {
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console.log('[语音转文字] 🎤 开始识别')
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const mgr = this.data.recorderManager
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if (!mgr) {
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wx.showToast({ title: '语音功能不可用', icon: 'none' })
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return
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}
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this.setData({ isVoiceToText: true, inputFocus: false, inputText: '' })
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wx.vibrateShort({ type: 'medium' })
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wx.showToast({ title: '请说话...', icon: 'none', duration: 1500 })
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mgr.start({ duration: 30000, sampleRate: 16000, numberOfChannels: 1, encodeBitRate: 48000, format: 'mp3' })
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},
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stopVoiceToText() {
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console.log('[语音转文字] ⏹ 停止识别')
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wx.vibrateShort({ type: 'light' })
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wx.showToast({ title: '正在识别...', icon: 'loading', duration: 2000 })
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const mgr = this.data.recorderManager
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if (mgr && this.data.tempFilePath) {
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try { mgr.stop() } catch (e) { /* ignore */ }
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}
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this.setData({ isVoiceToText: false })
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this._recognizeVoice(this.data.tempFilePath)
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},
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_recognizeVoice(audioPath) {
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if (!audioPath) {
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console.warn('[语音转文字] 没有音频文件，跳过识别')
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return
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}
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/*
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// 方案一：调用微信同声传译插件（需在 app.json 声明 plugin）
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const plugin = requirePlugin('WechatSI')
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const manager = plugin.getRecordRecognitionManager()
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manager.onStop((res) => {
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const text = res.result || ''
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if (text.trim()) {
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this.setData({ inputText: text, inputFocus: true })
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}
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})
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manager.onError((err) => {
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wx.showToast({ title: '识别失败', icon: 'none' })
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})
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*/
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// 方案二：模拟返回（开发调试用）
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setTimeout(() => {
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const mockResults = ['帮我查看一下设备状态', '打开客厅灯', '今天的任务有哪些', '你好']
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const recognizedText = mockResults[Math.floor(Math.random() * mockResults.length)]
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this.setData({ inputText: recognizedText, hasInput: !!recognizedText.trim(), inputFocus: true })
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wx.hideToast()
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console.log(`[语音转文字] ✅ 模拟识别结果已写入: "${recognizedText}"`)
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}, 1500)
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},
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/* ==========================================================
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七、语音播放
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========================================================== */
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_initAudioPlayer() {
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try {
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const ctx = wx.createInnerAudioContext()
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ctx.onPlay(() => { this.setData({ isPlayingVoice: true }) })
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ctx.onEnded(() => { this.setData({ isPlayingVoice: false }) })
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ctx.onError((err) => {
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console.error('[播放] 错误:', err)
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this.setData({ isPlayingVoice: false })
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})
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this.setData({ innerAudioContext: ctx })
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} catch (e) {
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this.setData({ innerAudioContext: null })
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}
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},
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/* ==========================================================
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八、工具按钮
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========================================================== */
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onTapEmoji() {
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console.log('[输入] 表情按钮点击')
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wx.showToast({ title: '表情功能开发中', icon: 'none' })
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},
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onRightBtnTap() {
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if (this.data.hasInput) {
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this.sendTextMessage()
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} else {
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this.onTapMore()
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}
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},
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onTapMore() {
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wx.showActionSheet({
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itemList: ['发送图片', '拍摄照片', '发送文件', '位置信息'],
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success: (res) => {
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const actions = ['image', 'camera', 'file', 'location']
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console.log('[更多] 选择了:', actions[res.tapIndex])
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}
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})
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}
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}
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})
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