feat: 在留言板组件中添加模态弹窗功能，优化滑动操作和删除确认逻辑

components/AnswerList/messageBoard.vue

@@ -2,16 +2,19 @@
   <view class="message-board-component">
     <!-- 一个列表一个swipe-action容器更符合官方推荐用法 -->
     <view v-for="(item, index) in answerList" :key="item.id">
-      <uni-swipe-action>
+      <uni-swipe-action ref="swipeActionRef">
         <!-- :right-options="swipeOptions" -->
         <uni-swipe-action-item
           :disabled="!canSwipe"
           :threshold="0.3"
           :auto-close="false"
-          @change="(e) => handleSwipeChange(e, index)"
+          @change="handleSwipeChange($event, index)"
         >
-          <template #right>
-            <view class="right-btn-box" @click.stop="handleSwipeClick(item, index, e)">
+          <template v-slot:right>
+            <view
+              class="right-btn-box"
+              @touchend.stop="handleSwipeClick(item, index)"
+            >
               <image
                 class="right-btn"
                 src="/static/common/images/icon_delete.png"
@@ -76,7 +79,11 @@
 
               <!-- 回复按钮-老师 -->
               <view class="reply-btn-box" v-if="isTeacher">
-                <button class="reply-btn">
+                <button
+                  class="reply-btn uni-btn-reset"
+                  :class="{ 'disabled-reply': item.isReply }"
+                  @click.stop="handleReplyClick(item)"
+                >
                   <image
                     class="reply-btn-icon"
                     src="/static/common/images/icon_reply.png"
@@ -104,6 +111,24 @@
         </uni-swipe-action-item>
       </uni-swipe-action>
     </view>
+
+    <!-- 模态弹窗 -->
+    <u-popup
+      v-model="modalShow"
+      mode="center"
+      width="70%"
+      border-radius="16"
+      :mask-close-able="false"
+    >
+      <view class="custom-modal">
+        <view class="modal-title">提示</view>
+        <view class="modal-content">{{ content }}</view>
+        <view class="modal-footer">
+          <view class="modal-btn cancel" @click="handleCancel">取消</view>
+          <view class="modal-btn confirm" @click="handleConfirm">确认</view>
+        </view>
+      </view>
+    </u-popup>
   </view>
 </template>
 
@@ -134,8 +159,16 @@ export default {
   data() {
     return {
       AvatarDefault, // 默认头像
+      currentItem: {}, // 当前操作的item
+      currentIndex: 0, // 当前操作的item索引
       openedItems: {}, // 记录每个项目的滑动状态
       isWebMode: false, // 是否是web模式
+
+      // 模态弹窗
+      modalShow: false,
+      content: "确定要撤回该留言吗？",
+      modalOpenTime: 0,
+      preventCloseOnce: false, // 添加防误触标记
     };
   },
   mounted() {
@@ -147,9 +180,20 @@ export default {
     console.log("isWebMode", this.isWebMode);
   },
   methods: {
+    // 监听滑动状态变化
+    handleSwipeChange(e, index) {
+      // 使用Vue的响应式更新方法来更新对象
+      this.$set(this.openedItems, index, e);
+      // console.log("滑动状态", this.openedItems);
+    },
     // 处理左滑按钮点击
-    handleSwipeClick(item, index, e) {
-      console.log("按钮点击", item, index, e);
+    handleSwipeClick(item, index) {
+      // console.log("swipeClick", item, index);
+      // console.log("swipeActionRef", this.$refs.swipeActionRef);
+      this.currentItem = item;
+      this.currentIndex = index;
+      this.modalShow = true;
+      this.modalOpenTime = Date.now(); // 记录模态框打开时间
     },
 
     // 处理web模式点击
@@ -157,11 +201,38 @@ export default {
       console.log("web模式点击", item);
     },
 
-    // 监听滑动状态变化
-    handleSwipeChange(isOpened, index) {
-      // 使用Vue的响应式更新方法来更新对象
-      this.$set(this.openedItems, index, isOpened);
-      console.log("滑动状态", this.openedItems);
+    // 处理回复按钮点击
+    handleReplyClick(item) {
+      if (item.isReply) {
+        return;
+      }
+
+      this.$emit("reply", item);
+    },
+
+    // 处理取消按钮点击
+    handleCancel() {
+      this.modalShow = false;
+    },
+
+    // 处理确认按钮点击
+    handleConfirm() {
+      // 检查是否是快速点击（防止误触）
+      if (this.modalOpenTime && Date.now() - this.modalOpenTime < 300) {
+        console.log("防止误触，请重新点击");
+        return;
+      }
+
+      // 发送删除事件，并传递回调函数
+      this.$emit("delete", this.currentItem, (success) => {
+        // 只有当操作成功时才关闭模态框
+        console.log("callback success", success);
+
+        if (success) {
+          this.$refs.swipeActionRef[this.currentIndex].closeAll();
+          this.modalShow = false;
+        }
+      });
     },
   },
 };
@@ -180,6 +251,7 @@ export default {
     align-items: center;
     justify-content: center;
     border-radius: 0 16rpx 16rpx 0;
+    border: 1px solid #fff; /* 防止初始状态下出现红线 */
     margin-bottom: 32rpx;
     .right-btn {
       width: 32rpx;
@@ -302,6 +374,10 @@ export default {
     width: 100%;
     margin-top: 28rpx;
 
+    .uni-btn-reset::after {
+      border: none !important;
+    }
+
     .reply-btn {
       display: flex;
       align-items: center;
@@ -320,6 +396,10 @@ export default {
         margin-right: 12rpx;
       }
     }
+
+    .disabled-reply {
+      background: #cccccc;
+    }
   }
 }
 
@@ -343,4 +423,51 @@ export default {
   height: 32rpx;
   margin-right: 8rpx;
 }
+
+.custom-modal {
+  background-color: #fff;
+  overflow: hidden;
+
+  .modal-title {
+    font-size: 32rpx;
+    font-weight: 500;
+    text-align: center;
+    padding: 30rpx 0;
+    color: #333;
+  }
+
+  .modal-content {
+    padding: 30rpx;
+    font-size: 28rpx;
+    color: #666;
+    text-align: center;
+    min-height: 80rpx;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+
+  .modal-footer {
+    display: flex;
+    border-top: 1px solid #eee;
+
+    .modal-btn {
+      flex: 1;
+      height: 90rpx;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: 30rpx;
+
+      &.cancel {
+        color: #666;
+        border-right: 1px solid #eee;
+      }
+
+      &.confirm {
+        color: #4f6aff;
+      }
+    }
+  }
+}
 </style>

pages/home/messageBoard/index.vue

@@ -21,8 +21,14 @@
     <!-- 内容区域包装器 -->
     <view class="content-wrapper">
       <!-- 问答列表组件 -->
-      <message-board :answerList="answerList"></message-board>
+      <message-board
+        :answerList="answerList"
+        @delete="handleDelete"
+      ></message-board>
     </view>
+
+    <!-- 提示 -->
+    <u-toast ref="uToast" />
   </view>
 </template>
 
@@ -91,6 +97,17 @@ export default {
       // 根据索引设置activeTab值
       this.activeTab = index === 0 ? "unread" : "replied";
     },
+    handleDelete(item, callback) {
+      console.log("handleDelete", item);
+
+      setTimeout(() => {
+        this.$refs.uToast.show({
+          title: "撤回成功",
+          type: "success",
+        });
+        callback(true);
+      }, 1500);
+    },
   },
 };
 </script>