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@ -1,13 +1,32 @@
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<template>
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<view class="chat-window">
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<scroll-view :scroll-y="true" class="message-list" :scroll-into-view="lastMessageId">
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<view v-for="message in messages" :key="message.id" :id="'msg-' + message.id"
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:class="['message-item', message.from === 'me' ? 'my-message' : 'their-message']">
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<u-avatar v-if="message.from !== 'me'" :src="theirAvatar" size="80"></u-avatar>
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<view class="message-content">
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<text>{{ message.content }}</text>
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<scroll-view
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:scroll-y="true"
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class="message-list"
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:scroll-into-view="lastMessageId"
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@scrolltoupper="onScrollToUpper"
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:scroll-with-animation="false"
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:upper-threshold="50">
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<!-- 加载更多提示 -->
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<view v-if="loading" class="loading-more">
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<u-loading mode="circle" size="20"></u-loading>
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<text class="loading-text">加载中...</text>
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</view>
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<view v-for="(message, index) in messages" :key="message.id">
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<!-- 时间分割线 -->
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<view v-if="shouldShowTimeDivider(message, index)" class="time-divider">
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<text class="time-text">{{ formatTime(message.timestamp) }}</text>
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</view>
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<!-- 消息内容 -->
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<view :id="'msg-' + message.id"
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:class="['message-item', message.from === 'me' ? 'my-message' : 'their-message']">
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<u-avatar v-if="message.from !== 'me'" :src="theirAvatar" size="80"></u-avatar>
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<view class="message-content">
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<text class="message-text">{{ message.content }}</text>
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</view>
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<u-avatar v-if="message.from === 'me'" :src="myAvatar" size="80"></u-avatar>
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</view>
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<u-avatar v-if="message.from === 'me'" :src="myAvatar" size="80"></u-avatar>
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</view>
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</scroll-view>
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@ -22,64 +41,208 @@
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export default {
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data() {
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return {
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myAvatar: 'https://via.placeholder.com/80',
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theirAvatar: 'https://via.placeholder.com/80',
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myAvatar: '',
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theirAvatar: '',
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newMessage: '',
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messages: [],
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lastMessageId: '',
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supplyDemandId: '',
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theirUserId: '',
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loading: false,
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currentPage: 1,
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hasMore: true,
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pageSize: 20
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}
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},
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onLoad(options) {
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const userId = options.userId;
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const userName = options.userName;
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const supplyDemandId = options.supplyDemandId;
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const supplyDemandTitle = options.supplyDemandTitle ? decodeURIComponent(options.supplyDemandTitle) : '';
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// 保存供应需求ID
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this.supplyDemandId = supplyDemandId;
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this.theirUserId = userId;
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// 调试：输出当前用户信息
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console.log('当前用户信息:', this.$store.state.vuex_user);
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// 动态设置导航栏标题
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const title = supplyDemandTitle ? `${supplyDemandTitle} - ${userName || userId}` : `与 ${userName || userId} 的对话`;
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uni.setNavigationBarTitle({
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title: `与 ${userId} 的对话`
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title: title
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});
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this.fetchMessages(userId);
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this.fetchMessages(supplyDemandId);
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},
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methods: {
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fetchMessages(userId) {
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// 模拟获取历史消息
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this.messages = [{
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id: 1,
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from: 'them',
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content: '你好！很高兴认识你。'
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},
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{
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id: 2,
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from: 'me',
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content: '你好！我也是。'
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},
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{
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id: 3,
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from: 'them',
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content: '我们下周一开会讨论一下那个项目吧，你觉得怎么样？'
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},
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{
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id: 4,
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from: 'me',
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content: '好啊，没问题。'
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},
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];
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this.scrollToBottom();
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},
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fetchMessages(supplyDemandId, page = 1, append = false) {
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if (this.loading || (!append && !this.hasMore)) return;
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this.loading = true;
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// 使用正确的API调用方式
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this.$u.api.supplyDemandMessageList({
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supply_demand_id: supplyDemandId,
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page: page,
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per_page: this.pageSize
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}).then(res => {
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console.log('获取消息列表成功:', res);
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// 处理返回的消息数据，数据在 res.message.data 中
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if (res.message && res.message.data) {
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const newMessages = res.message.data.map((item, index) => ({
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id: item.id,
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from: item.user_id === this.$store.state.vuex_user.id ? 'me' : 'them',
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content: item.content,
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timestamp: item.created_at,
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user: item.user,
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to_user: item.to_user
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}));
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if (append) {
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// 上拉加载更多，老消息插入到前面
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this.messages.unshift(...newMessages);
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} else {
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// 首次加载或刷新，按时间正序排列（老消息在前，新消息在后）
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this.messages = newMessages.sort((a, b) => new Date(a.timestamp) - new Date(b.timestamp));
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}
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// 检查是否还有更多数据
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this.hasMore = res.message.current_page < res.message.last_page;
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this.currentPage = res.message.current_page;
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// 设置头像
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if (this.messages.length > 0) {
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const firstMessage = this.messages[0];
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if (firstMessage.from === 'me') {
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this.myAvatar = firstMessage.user?.headimgurl || '';
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this.theirAvatar = firstMessage.to_user?.headimgurl || '';
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} else {
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this.myAvatar = firstMessage.to_user?.headimgurl || '';
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this.theirAvatar = firstMessage.user?.headimgurl || '';
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}
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// 更新导航栏标题，使用实际的用户名
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const theirUser = firstMessage.from === 'me' ? firstMessage.to_user : firstMessage.user;
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if (theirUser) {
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const displayName = theirUser.nickname || theirUser.name || `用户${theirUser.id}`;
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uni.setNavigationBarTitle({
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title: `与 ${displayName} 的对话`
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});
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}
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}
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if (!append) {
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this.scrollToBottom();
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}
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}
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}).catch(err => {
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console.error('获取消息列表失败:', err);
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}).finally(() => {
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this.loading = false;
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});
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},
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sendMessage() {
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if (this.newMessage.trim() === '') return;
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const messageContent = this.newMessage.trim();
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this.newMessage = '';
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// 生成临时ID（使用时间戳确保唯一性）
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const tempId = Date.now();
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// 先添加到本地消息列表
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const newMsg = {
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id: this.messages.length + 1,
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id: tempId,
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from: 'me',
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content: this.newMessage.trim()
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content: messageContent,
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timestamp: new Date().toISOString(),
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user: this.$store.state.vuex_user,
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to_user: null
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};
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// 新消息添加到列表末尾（最新消息）
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this.messages.push(newMsg);
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this.newMessage = '';
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this.scrollToBottom();
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// 调用发送消息API
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this.$u.api.supplyDemandSendMessage({
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supply_demand_id: this.supplyDemandId,
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content: messageContent,
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to_user_id: this.theirUserId
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}).then(res => {
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console.log('发送消息成功:', res);
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// 发送成功后，更新临时消息的ID为服务器返回的真实ID
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if (res && res.id) {
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const lastMessage = this.messages[this.messages.length - 1];
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if (lastMessage.id === tempId) {
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lastMessage.id = res.id;
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}
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}
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}).catch(err => {
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console.error('发送消息失败:', err);
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// 发送失败时，可以从消息列表中移除临时消息
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this.messages = this.messages.filter(msg => msg.id !== tempId);
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// 可选：提示用户发送失败
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uni.showToast({
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title: '发送失败，请重试',
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icon: 'none'
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});
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});
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},
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scrollToBottom() {
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this.$nextTick(() => {
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if (this.messages.length > 0) {
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// 滚动到最新消息（列表末尾）
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this.lastMessageId = `msg-${this.messages[this.messages.length - 1].id}`;
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}
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})
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},
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formatTime(timestamp) {
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if (!timestamp) return '';
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const date = new Date(timestamp);
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const now = new Date();
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const diff = now - date;
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// 今天的消息只显示时间
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if (diff < 24 * 60 * 60 * 1000 && date.getDate() === now.getDate()) {
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return date.toLocaleTimeString('zh-CN', {
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hour: '2-digit',
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minute: '2-digit'
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});
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}
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// 昨天的消息显示"昨天 + 时间"
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if (diff < 48 * 60 * 60 * 1000 && date.getDate() === now.getDate() - 1) {
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return `昨天 ${date.toLocaleTimeString('zh-CN', {
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hour: '2-digit',
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minute: '2-digit'
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})}`;
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}
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// 其他显示完整日期和时间
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return date.toLocaleString('zh-CN', {
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit'
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});
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},
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shouldShowTimeDivider(message, index) {
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// 第一条消息总是显示时间
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if (index === 0) return true;
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const currentTime = new Date(message.timestamp);
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const prevTime = new Date(this.messages[index - 1].timestamp);
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// 如果时间间隔超过5分钟，显示时间分割线
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const timeDiff = Math.abs(currentTime - prevTime);
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return timeDiff > 5 * 60 * 1000; // 5分钟
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},
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onScrollToUpper() {
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// 上拉加载更多历史消息
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if (this.hasMore && !this.loading) {
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this.fetchMessages(this.supplyDemandId, this.currentPage + 1, true);
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}
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}
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}
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}
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@ -133,6 +296,47 @@
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max-width: 70%;
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font-size: 30rpx;
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line-height: 1.6;
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display: flex;
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flex-direction: column;
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}
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.message-text {
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margin-bottom: 8rpx;
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}
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.message-time {
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font-size: 22rpx;
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color: #999;
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opacity: 0.8;
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}
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.time-divider {
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display: flex;
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justify-content: center;
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align-items: center;
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margin: 30rpx 0 20rpx 0;
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}
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.time-text {
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background-color: rgba(0, 0, 0, 0.1);
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color: #999;
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font-size: 24rpx;
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padding: 8rpx 16rpx;
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border-radius: 20rpx;
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text-align: center;
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}
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.loading-more {
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display: flex;
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justify-content: center;
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align-items: center;
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padding: 20rpx 0;
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}
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.loading-text {
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font-size: 24rpx;
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color: #999;
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margin-left: 10rpx;
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}
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.input-area {
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lynn
4 months ago