Merge branch 'develop' of https://gitee.com/yudaocode/yudao-mall-uniapp

# Conflicts:
#	pages/chat/components/messageList.vue
#	uni_modules/z-paging/changelog.md
#	uni_modules/z-paging/components/z-paging-cell/z-paging-cell.vue
#	uni_modules/z-paging/components/z-paging-empty-view/z-paging-empty-view.vue
#	uni_modules/z-paging/components/z-paging-swiper-item/z-paging-swiper-item.vue
#	uni_modules/z-paging/components/z-paging-swiper/z-paging-swiper.vue
#	uni_modules/z-paging/components/z-paging/components/z-paging-load-more.vue
#	uni_modules/z-paging/components/z-paging/components/z-paging-refresh.vue
#	uni_modules/z-paging/components/z-paging/css/z-paging-main.css
#	uni_modules/z-paging/components/z-paging/js/modules/back-to-top.js
#	uni_modules/z-paging/components/z-paging/js/modules/common-layout.js
#	uni_modules/z-paging/components/z-paging/js/modules/data-handle.js
#	uni_modules/z-paging/components/z-paging/js/modules/i18n.js
#	uni_modules/z-paging/components/z-paging/js/modules/load-more.js
#	uni_modules/z-paging/components/z-paging/js/modules/nvue.js
#	uni_modules/z-paging/components/z-paging/js/modules/refresher.js
#	uni_modules/z-paging/components/z-paging/js/modules/scroller.js
#	uni_modules/z-paging/components/z-paging/js/modules/virtual-list.js
#	uni_modules/z-paging/components/z-paging/js/z-paging-constant.js
#	uni_modules/z-paging/components/z-paging/js/z-paging-enum.js
#	uni_modules/z-paging/components/z-paging/js/z-paging-main.js
#	uni_modules/z-paging/components/z-paging/js/z-paging-utils.js
#	uni_modules/z-paging/components/z-paging/z-paging.vue
#	uni_modules/z-paging/package.json
#	uni_modules/z-paging/readme.md

pages/chat/components/messageInput.vue

@@ -7,7 +7,11 @@
         :clearable="false"
         v-model="message"
         placeholder="请输入你要咨询的问题"
+        :maxlength="maxLength"
+        :focus="autoFocus"
+        @focus="handleFocus"
       ></uni-easyinput>
+      <text v-if="showCharCount" class="char-count">{{ message.length }}/{{ maxLength }}</text>
     </view>
     <text class="sicon-basic bq" @tap.stop="onTools('emoji')"></text>
     <text
@@ -16,14 +20,21 @@
       :class="{ 'is-active': toolsMode === 'tools' }"
       @tap.stop="onTools('tools')"
     ></text>
-    <button v-if="message" class="ss-reset-button send-btn" @tap="sendMessage">
-      发送
+    <button
+      v-if="message"
+      class="ss-reset-button send-btn"
+      @tap="sendMessage"
+      :disabled="isDisabled || sending"
+      :class="{ 'disabled': isDisabled || sending }"
+    >
+      <text v-if="sending">发送中</text>
+      <text v-else>发送</text>
     </button>
   </view>
 </template>
 
 <script setup>
-  import { computed } from 'vue';
+  import { computed, ref, onUnmounted } from 'vue';
   /**
    * 消息发送组件
    */
@@ -38,8 +49,25 @@
       type: String,
       default: '',
     },
+    // 是否自动获取焦点
+    autoFocus: {
+      type: Boolean,
+      default: false
+    },
+    // 最大字数限制
+    maxLength: {
+      type: Number,
+      default: 500
+    },
+    // 是否显示字数统计
+    showCharCount: {
+      type: Boolean,
+      default: true
+    }
   });
+
   const emits = defineEmits(['update:modelValue', 'onTools', 'sendMessage']);
+
   const message = computed({
     get() {
       return props.modelValue;
@@ -49,16 +77,55 @@
     }
   });
 
+  // 控制发送状态
+  const sending = ref(false);
+
+  // 是否禁用发送按钮
+  const isDisabled = computed(() => {
+    return !message.value.trim() || message.value.length > props.maxLength;
+  });
+
+  // 输入框获取焦点
+  const handleFocus = () => {
+    // 输入框获取焦点时关闭工具栏
+    if (props.toolsMode !== '') {
+      onTools('');
+    }
+  };
 
   // 打开工具菜单
   function onTools(mode) {
     emits('onTools', mode);
   }
 
+  // 防抖处理
+  let sendTimer = null;
+
   // 发送消息
   function sendMessage() {
-    emits('sendMessage');
+    // 如果正在发送中，或者内容为空，则不处理
+    if (sending.value || isDisabled.value) return;
+
+    // 清除可能存在的定时器
+    if (sendTimer) clearTimeout(sendTimer);
+
+    // 设置发送状态
+    sending.value = true;
+
+    // 执行发送，并添加防抖
+    sendTimer = setTimeout(() => {
+      emits('sendMessage');
+      // 发送完成后重置状态
+      setTimeout(() => {
+        sending.value = false;
+      }, 300);
+    }, 300);
   }
+
+  // 组件卸载时清除定时器
+  onUnmounted(() => {
+    if (sendTimer) clearTimeout(sendTimer);
+  });
 </script>
 
 <style scoped lang="scss">
@@ -70,6 +137,16 @@
       height: 64rpx;
       border-radius: 32rpx;
       background: var(--ui-BG-1);
+      position: relative;
+
+      .char-count {
+        position: absolute;
+        right: 15rpx;
+        top: 50%;
+        transform: translateY(-50%);
+        font-size: 22rpx;
+        color: #999;
+      }
     }
 
     .bq {
@@ -97,6 +174,12 @@
       font-size: 26rpx;
       color: #fff;
       margin-left: 11rpx;
+      transition: all 0.3s;
+
+      &.disabled {
+        opacity: 0.6;
+        background: #cccccc;
+      }
     }
   }
 </style>

pages/chat/components/messageList.vue

@@ -1,112 +1,140 @@
 <template>
-  <!--  聊天虚拟列表  -->
-  <z-paging
-    ref="pagingRef"
-    v-model="messageList"
-    use-chat-record-mode
-    use-virtual-list
-    cell-height-mode="dynamic"
-    default-page-size="20"
-    :auto-clean-list-when-reload="false"
-    safe-area-inset-bottom
-    bottom-bg-color="#f8f8f8"
-    :back-to-top-style="backToTopStyle"
-    :auto-show-back-to-top="showNewMessageTip"
-    @backToTopClick="onBackToTopClick"
-    @scrolltoupper="onScrollToUpper"
-    @query="queryList"
-  >
-    <template #top>
-      <!-- 撑一下顶部导航 -->
-      <view :style="{ height: sys_navBar + 'px' }"></view>
-    </template>
-    <!-- style="transform: scaleY(-1)"必须写，否则会导致列表倒置！！！ -->
-    <!-- 注意不要直接在chat-item组件标签上设置style，因为在微信小程序中是无效的，请包一层view -->
-    <template #cell="{ item, index }">
-      <view style="transform: scaleY(-1)">
-        <!--  消息渲染  -->
-        <MessageListItem
-          :message="item"
-          :message-index="index"
-          :message-list="messageList"
-        ></MessageListItem>
+  <!--  聊天列表使用scroll-view原生组件，整体倒置  -->
+  <scroll-view :scroll-top="scroll.top" class="chat-scroll-view" scroll-y :refresher-enabled="false"
+               @scroll="onScroll" @scrolltolower="loadMoreHistory" style="transform: scaleY(-1);">
+    <!-- 消息列表容器 -->
+    <view class="message-container">
+      <!-- 加载更多提示 -->
+      <view v-if="isLoading" class="loading-more" style="transform: scaleY(-1);">
+        <text>加载中...</text>
       </view>
-    </template>
-    <!-- 底部聊天输入框 -->
-    <template #bottom>
-      <slot name="bottom"></slot>
-    </template>
-    <!-- 查看最新消息 -->
-    <template #backToTop>
-      <text>有新消息</text>
-    </template>
-  </z-paging>
+      <!-- 消息列表 -->
+      <view class="message-list">
+        <view v-for="(item, index) in messageList" :key="item.id" class="message-item"
+              style="transform: scaleY(-1);">
+          <!--  消息渲染  -->
+          <MessageListItem :message="item" :message-index="index" :message-list="messageList"></MessageListItem>
+        </view>
+      </view>
+    </view>
+  </scroll-view>
+
+  <!-- 底部聊天输入框 -->
+  <su-fixed bottom>
+    <view v-if="showTip" class="back-top ss-flex ss-row-center ss-m-b-10" @tap="scrollToTop">
+      <text class="back-top-item ss-flex ss-row-center">{{ showNewMessageTip ? '有新消息' : '回到底部' }}</text>
+    </view>
+    <slot name="bottom"></slot>
+  </su-fixed>
 </template>
 
 <script setup>
   import MessageListItem from '@/pages/chat/components/messageListItem.vue';
-  import { reactive, ref } from 'vue';
+  import { onMounted, reactive, ref, computed } from 'vue';
   import KeFuApi from '@/sheep/api/promotion/kefu';
-  import { isEmpty, formatDate } from '@/sheep/helper/utils';
+  import { isEmpty } from '@/sheep/helper/utils';
+  import { formatDate } from '@/sheep/util';
   import sheep from '@/sheep';
 
-  const sys_navBar = sheep.$platform.navbar;
+  const { safeAreaInsets } = sheep.$platform.device;
+  const safeAreaInsetsBottom = safeAreaInsets.bottom + 'px'; // 底部安全区域
   const messageList = ref([]); // 消息列表
+  const showTip = ref(false); // 显示提示
   const showNewMessageTip = ref(false); // 显示有新消息提示
   const refreshMessage = ref(false); // 更新消息列表
-  const backToTopStyle = reactive({
-    width: '100px',
-    'background-color': '#fff',
-    'border-radius': '30px',
-    'box-shadow': '0 2px 4px rgba(0, 0, 0, 0.1)',
-    display: 'flex',
-    justifyContent: 'center',
-    alignItems: 'center',
-  }); // 返回顶部样式
+  const isLoading = ref(false); // 是否正在加载更多
+  const hasMore = ref(true); // 是否还有更多数据
+  const keyboardHeight = ref(0); // 键盘高度
+  const scroll = ref({
+    top: 0,
+    oldTop: 0,
+  }); // 滚动位置记录
   const queryParams = reactive({
-    no: 1, // 查询次数，只用于触底计算
+    no: 1,
     limit: 20,
     createTime: undefined,
+  }); // 查询参数
+
+  // 计算聊天窗口高度
+  const chatScrollHeight = computed(() => {
+    const baseHeight = 'calc(100vh - 150px - ' + safeAreaInsetsBottom + ')';
+    if (keyboardHeight.value > 0) {
+      // 键盘弹起状态，减去键盘高度
+      return `calc(${baseHeight} - ${keyboardHeight.value}px)`;
+    }
+    return baseHeight;
   });
-  const pagingRef = ref(null); // 虚拟列表
-  const queryList = async (no, limit) => {
-    // 组件加载时会自动触发此方法，因此默认页面加载时会自动触发，无需手动调用
-    queryParams.no = no;
-    queryParams.limit = limit;
-    await getMessageList();
-  };
+
   // 获得消息分页列表
   const getMessageList = async () => {
-    const { data } = await KeFuApi.getKefuMessageList(queryParams);
-    if (isEmpty(data)) {
-      pagingRef.value.completeByNoMore([], true);
-      return;
-    }
-    if (queryParams.no > 1 && refreshMessage.value) {
-      const newMessageList = [];
-      for (const message of data) {
-        if (messageList.value.some((val) => val.id === message.id)) {
-          continue;
-        }
-        newMessageList.push(message);
+    isLoading.value = true;
+    try {
+      const { data } = await KeFuApi.getKefuMessageList(queryParams);
+      if (isEmpty(data)) {
+        hasMore.value = false;
+        return;
       }
-      // 新消息追加到开头
-      messageList.value = [...newMessageList, ...messageList.value];
-      pagingRef.value.updateCache(); // 更新缓存
-      refreshMessage.value = false; // 更新好后重置状态
-      return;
+      if (queryParams.no > 1 && refreshMessage.value) {
+        const newMessageList = [];
+        for (const message of data) {
+          if (messageList.value.some((val) => val.id === message.id)) {
+            continue;
+          }
+          newMessageList.push(message);
+        }
+        // 新消息追加到开头
+        messageList.value = [...newMessageList, ...messageList.value];
+        refreshMessage.value = false; // 更新好后重置状态
+        return;
+      }
+
+      if (queryParams.no > 1) {
+        // 加载更多历史消息，追加到现有列表末尾（因为是倒置的，所以旧消息在底部/列表末尾）
+        if (data.length < queryParams.limit) {
+          hasMore.value = false; // 如果返回的数据少于请求的数量，说明没有更多数据了
+        }
+
+        // 过滤掉已存在的消息
+        const historyMessages = data.filter(msg =>
+          !messageList.value.some(existing => existing.id === msg.id),
+        );
+
+        if (historyMessages.length > 0) {
+          messageList.value = [...messageList.value, ...historyMessages];
+        }
+      } else {
+        // 首次加载
+        messageList.value = data;
+
+        if (data.length < queryParams.limit) {
+          hasMore.value = false;
+        }
+      }
+
+      if (data.slice(-1).length > 0) {
+        // 设置最后一次历史查询的最后一条消息的 createTime
+        queryParams.createTime = formatDate(data.slice(-1)[0].createTime);
+      }
+    } finally {
+      isLoading.value = false;
     }
-    if (data.slice(-1).length > 0) {
-      // 设置最后一次历史查询的最后一条消息的 createTime
-      queryParams.createTime = formatDate(data.slice(-1)[0].createTime);
-    }
-    pagingRef.value.completeByNoMore(data, false);
   };
+
+  /** 加载更多历史数据 */
+  const loadMoreHistory = async () => {
+    if (isLoading.value || !hasMore.value) return;
+
+    // 增加页码
+    queryParams.no += 1;
+    await getMessageList();
+  };
+
   /** 刷新消息列表 */
   const refreshMessageList = async (message = undefined) => {
     if (typeof message !== 'undefined') {
-      // 追加数据
-      pagingRef.value.addChatRecordData([message], false);
+      // 追加数据到列表开头（因为是倒置的，所以新消息在顶部/列表开头）
+      messageList.value.unshift(message);
+      showNewMessageTip.value = true;
     } else {
       queryParams.createTime = undefined;
       refreshMessage.value = true;
@@ -115,24 +143,128 @@
 
     // 若已是第一页则不做处理
     if (queryParams.no > 1) {
-      showNewMessageTip.value = true;
+      showTip.value = true;
     } else {
-      onScrollToUpper();
+      scrollToTop();
     }
   };
 
-  /** 滚动到最新消息 */
-  const onBackToTopClick = (event) => {
-    event(false); // 禁用默认操作
-    pagingRef.value.scrollToBottom();
+  /** 滚动到顶部（倒置后相当于滚动到最新消息） */
+  const scrollToTop = () => {
+    scroll.value.top = scroll.value.oldTop;
+    setTimeout(() => {
+      scroll.value.top = 0;
+    }, 200); // 等待 view 层同步
+    showTip.value = false;
   };
-  /** 监听滚动到底部事件（因为 scroll 翻转了顶就是底） */
-  const onScrollToUpper = () => {
-    // 若已是第一页则不做处理
-    if (queryParams.no === 1) {
-      return;
+
+  /** 设置键盘高度 */
+  const setKeyboardHeight = (height) => {
+    keyboardHeight.value = height;
+    // 键盘弹起时，滚动到最新消息
+    if (height > 0) {
+      scrollToTop();
     }
-    showNewMessageTip.value = false;
   };
+
   defineExpose({ getMessageList, refreshMessageList });
+
+  /** 监听消息列表滚动 */
+  const onScroll = (e) => {
+    const { scrollTop } = e.detail;
+    scroll.value.oldTop = scrollTop;
+    // 当滚动位置超过一定值时，显示"新消息"提示
+    if (scrollTop > 100) {
+      showTip.value = true;
+    } else {
+      showTip.value = false;
+    }
+  };
+
+  // 监听键盘弹起和收起事件
+  const setupKeyboardListeners = () => {
+    // #ifdef H5
+    // H5环境
+    window.addEventListener('resize', () => {
+      // 窗口大小变化可能是由键盘引起的
+      if (document.activeElement && (document.activeElement.tagName === 'INPUT' || document.activeElement.tagName === 'TEXTAREA')) {
+        // 估算键盘高度，实际上是窗口高度变化
+        const currentHeight = window.innerHeight;
+        const viewportHeight = window.visualViewport ? window.visualViewport.height : window.innerHeight;
+        const keyboardHeight = currentHeight - viewportHeight;
+        setKeyboardHeight(keyboardHeight > 0 ? keyboardHeight : 0);
+      } else {
+        setKeyboardHeight(0);
+      }
+    });
+    // #endif
+
+    // #ifdef MP-WEIXIN
+    // TODO puhui999: 小程序键盘弹起还有点问题，看看怎么适配
+    // 微信小程序环境
+    uni.onKeyboardHeightChange((res) => {
+      setKeyboardHeight(res.height);
+    });
+    // #endif
+  };
+
+  onMounted(() => {
+    queryParams.no = 1; // 确保首次加载是第一页
+    scroll.value = {
+      top: 0,
+      oldTop: 0,
+    }
+    getMessageList();
+    setupKeyboardListeners();
+  });
 </script>
+
+<style lang="scss" scoped>
+  .chat-scroll-view {
+    height: v-bind(chatScrollHeight);
+    width: 100%;
+    position: relative;
+    background-color: #f8f8f8;
+    z-index: 1;
+  }
+
+  .message-container {
+    width: 100%;
+    /* 确保容器至少有一屏高度 */
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+    justify-content: flex-end;
+  }
+
+  .message-list {
+    width: 100%;
+    display: flex;
+    flex-direction: column;
+    padding-bottom: 20px;
+  }
+
+  .message-item {
+    margin-bottom: 10px;
+  }
+
+  .loading-more {
+    width: 100%;
+    height: 40px;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    color: #999;
+    font-size: 14px;
+  }
+
+  .back-top {
+    .back-top-item{
+      height: 30px;
+      width: 100px;
+      background-color: #fff;
+      border-radius: 30px;
+      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    }
+  }
+</style>

pages/chat/components/messageListItem.vue

@@ -3,7 +3,14 @@
     <!--  消息渲染  -->
     <view class="message-item ss-flex-col scroll-item">
       <view class="ss-flex ss-row-center ss-col-center">
-        <!-- 日期 -->
+        <!-- 系统消息 -->
+        <view
+          v-if="message.contentType === KeFuMessageContentTypeEnum.SYSTEM"
+          class="system-message"
+        >
+          {{ message.content }}
+        </view>
+        <!-- 日期 - 移到消息内容上方显示 -->
         <view
           v-if="
             message.contentType !== KeFuMessageContentTypeEnum.SYSTEM &&
@@ -13,14 +20,8 @@
         >
           {{ formatDate(message.createTime) }}
         </view>
-        <!-- 系统消息 -->
-        <view
-          v-if="message.contentType === KeFuMessageContentTypeEnum.SYSTEM"
-          class="system-message"
-        >
-          {{ message.content }}
-        </view>
       </view>
+      
       <!-- 消息体渲染管理员消息和用户消息并左右展示  -->
       <view
         v-if="message.contentType !== KeFuMessageContentTypeEnum.SYSTEM"
@@ -42,11 +43,12 @@
             sheep.$url.static('/static/img/shop/chat/default.png')
           "
           mode="aspectFill"
+          lazy-load
         ></image>
         <!-- 内容 -->
         <template v-if="message.contentType === KeFuMessageContentTypeEnum.TEXT">
           <view class="message-box" :class="{ admin: message.senderType === UserTypeEnum.ADMIN }">
-            <mp-html :content="replaceEmoji(getMessageContent(message).text || message.content)" />
+            <mp-html :content="processedContent" :domain="sheep.$url.cdn('')" lazy-load />
           </view>
         </template>
         <template v-if="message.contentType === KeFuMessageContentTypeEnum.IMAGE">
@@ -140,7 +142,16 @@
     return false;
   });
 
-  // 处理表情
+  // 缓存表情映射
+  const emojiMap = computed(() => {
+    const map = new Map();
+    emojiList.forEach(emoji => {
+      map.set(emoji.name, emoji.file);
+    });
+    return map;
+  });
+
+  // 处理表情 - 进行缓存优化
   function replaceEmoji(data) {
     let newData = data;
     if (typeof newData !== 'object') {
@@ -148,27 +159,28 @@
       let zhEmojiName = newData.match(reg);
       if (zhEmojiName) {
         zhEmojiName.forEach((item) => {
-          let emojiFile = selEmojiFile(item);
-          newData = newData.replace(
-            item,
-            `<img class="chat-img" style="width: 24px;height: 24px;margin: 0 3px;vertical-align: middle;" src="${sheep.$url.cdn(
-              '/static/img/chat/emoji/' + emojiFile,
-            )}"/>`,
-          );
+          const emojiFile = emojiMap.value.get(item) || '';
+          if (emojiFile) {
+            newData = newData.replace(
+              item,
+              `<img class="chat-img" style="width: 24px;height: 24px;margin: 0 3px;vertical-align: middle;" src="${sheep.$url.cdn(
+                '/static/img/chat/emoji/' + emojiFile,
+              )}"/>`,
+            );
+          }
         });
       }
     }
     return newData;
   }
 
-  function selEmojiFile(name) {
-    for (let index in emojiList) {
-      if (emojiList[index].name === name) {
-        return emojiList[index].file;
-      }
+  // 预处理内容，避免重复计算
+  const processedContent = computed(() => {
+    if (props.message.contentType === KeFuMessageContentTypeEnum.TEXT) {
+      return replaceEmoji(getMessageContent.value(props.message).text || props.message.content);
     }
-    return false;
-  }
+    return props.message.content;
+  });
 </script>
 
 <style scoped lang="scss">