Claw 项目完整结构提交

Claw/client/wechat_app/components/message/message.js

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+// 消息组件逻辑
+Component({
+  properties: {
+    // 消息内容
+    content: {
+      type: String,
+      value: ''
+    },
+    // 消息类型
+    type: {
+      type: String,
+      value: 'text'
+    },
+    // 发送者头像
+    avatar: {
+      type: String,
+      value: '/assets/images/default-avatar.png'
+    },
+    // 发送者昵称
+    nickname: {
+      type: String,
+      value: '未知用户'
+    },
+    // 发送时间
+    time: {
+      type: String,
+      value: ''
+    },
+    // 是否是自己发送的消息
+    isMe: {
+      type: Boolean,
+      value: false
+    },
+    // 文件名（文件消息）
+    fileName: {
+      type: String,
+      value: ''
+    },
+    // 文件大小（文件消息）
+    fileSize: {
+      type: String,
+      value: ''
+    }
+  },
+
+  methods: {
+    // 预览图片
+    previewImage() {
+      if (this.properties.type === 'image') {
+        wx.previewImage({
+          urls: [this.properties.content],
+          current: this.properties.content
+        })
+      }
+    },
+
+    // 下载文件
+    downloadFile() {
+      if (this.properties.type === 'file') {
+        wx.showLoading({
+          title: '下载中...'
+        })
+
+        wx.downloadFile({
+          url: this.properties.content,
+          success: (res) => {
+            wx.hideLoading()
+            
+            if (res.statusCode === 200) {
+              // 保存文件到本地
+              wx.saveFile({
+                tempFilePath: res.tempFilePath,
+                success: (saveRes) => {
+                  wx.showToast({
+                    title: '文件已保存',
+                    icon: 'success'
+                  })
+                  
+                  // 打开文件
+                  wx.openDocument({
+                    filePath: saveRes.savedFilePath,
+                    showMenu: true
+                  })
+                },
+                fail: () => {
+                  wx.showToast({
+                    title: '保存失败',
+                    icon: 'error'
+                  })
+                }
+              })
+            } else {
+              wx.showToast({
+                title: '下载失败',
+                icon: 'error'
+              })
+            }
+          },
+          fail: () => {
+            wx.hideLoading()
+            wx.showToast({
+              title: '下载失败',
+              icon: 'error'
+            })
+          }
+        })
+      }
+    },
+
+    // 长按消息
+    onLongPress() {
+      wx.showActionSheet({
+        itemList: ['复制', '转发', '删除'],
+        success: (res) => {
+          switch (res.tapIndex) {
+            case 0: // 复制
+              this.copyMessage()
+              break
+            case 1: // 转发
+              this.forwardMessage()
+              break
+            case 2: // 删除
+              this.deleteMessage()
+              break
+          }
+        }
+      })
+    },
+
+    // 复制消息
+    copyMessage() {
+      if (this.properties.type === 'text') {
+        wx.setClipboardData({
+          data: this.properties.content,
+          success: () => {
+            wx.showToast({
+              title: '已复制',
+              icon: 'success'
+            })
+          }
+        })
+      }
+    },
+
+    // 转发消息
+    forwardMessage() {
+      this.triggerEvent('forward', {
+        content: this.properties.content,
+        type: this.properties.type,
+        fileName: this.properties.fileName,
+        fileSize: this.properties.fileSize
+      })
+    },
+
+    // 删除消息
+    deleteMessage() {
+      this.triggerEvent('delete', {
+        content: this.properties.content,
+        type: this.properties.type
+      })
+    }
+  }
+})

Claw/client/wechat_app/components/message/message.json

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+{
+  "component": true
+}

Claw/client/wechat_app/components/message/message.wxml

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+<!-- 消息组件 -->
+<view class="message-item {{isMe ? 'message-right' : 'message-left'}}">
+  <view class="message-avatar">
+    <image src="{{avatar}}" mode="aspectFill"></image>
+  </view>
+  <view class="message-content">
+    <view class="message-header">
+      <text class="message-nickname">{{nickname}}</text>
+      <text class="message-time">{{time}}</text>
+    </view>
+    <view class="message-body">
+      <text class="message-text" wx:if="{{type === 'text'}}">{{content}}</text>
+      <image class="message-image" wx:if="{{type === 'image'}}" src="{{content}}" mode="widthFix" bindtap="previewImage"></image>
+      <view class="message-file" wx:if="{{type === 'file'}}" bindtap="downloadFile">
+        <text class="file-name">{{fileName}}</text>
+        <text class="file-size">{{fileSize}}</text>
+      </view>
+    </view>
+  </view>
+</view>

Claw/client/wechat_app/components/message/message.wxss

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+/* 消息组件样式 */
+.message-item {
+  display: flex;
+  margin: 20rpx 0;
+  align-items: flex-start;
+}
+
+.message-left {
+  flex-direction: row;
+}
+
+.message-right {
+  flex-direction: row-reverse;
+}
+
+.message-avatar {
+  width: 80rpx;
+  height: 80rpx;
+  margin: 0 20rpx;
+  flex-shrink: 0;
+}
+
+.message-avatar image {
+  width: 100%;
+  height: 100%;
+  border-radius: 50%;
+}
+
+.message-content {
+  max-width: 70%;
+  display: flex;
+  flex-direction: column;
+}
+
+.message-header {
+  display: flex;
+  align-items: center;
+  margin-bottom: 10rpx;
+}
+
+.message-nickname {
+  font-size: 24rpx;
+  color: #999;
+  margin-right: 10rpx;
+}
+
+.message-time {
+  font-size: 20rpx;
+  color: #ccc;
+}
+
+.message-body {
+  background-color: #f0f0f0;
+  border-radius: 10rpx;
+  padding: 20rpx;
+  word-wrap: break-word;
+}
+
+.message-right .message-body {
+  background-color: #95ec69;
+}
+
+.message-text {
+  font-size: 28rpx;
+  color: #333;
+  line-height: 1.5;
+}
+
+.message-right .message-text {
+  color: #000;
+}
+
+.message-image {
+  max-width: 300rpx;
+  max-height: 300rpx;
+  border-radius: 10rpx;
+}
+
+.message-file {
+  display: flex;
+  flex-direction: column;
+  background-color: #fff;
+  border: 1rpx solid #e0e0e0;
+  border-radius: 10rpx;
+  padding: 20rpx;
+  min-width: 200rpx;
+}
+
+.file-name {
+  font-size: 28rpx;
+  color: #333;
+  margin-bottom: 10rpx;
+}
+
+.file-size {
+  font-size: 24rpx;
+  color: #999;
+}