From b98f835ab11aaa4f974dcdf1ae894a466c24e3fe Mon Sep 17 00:00:00 2001
From: wangdongbo <949818794@qq.com>
Date: Sun, 8 Feb 2026 14:11:59 +0800
Subject: [PATCH] no message

---
 utils/send-message-helper.js | 58 ++++++++++++++++++++++++++++++++----
 utils/tim-chat.js            | 23 +++++++++-----
 2 files changed, 68 insertions(+), 13 deletions(-)

diff --git a/utils/send-message-helper.js b/utils/send-message-helper.js
index 66806cd..0c86122 100644
--- a/utils/send-message-helper.js
+++ b/utils/send-message-helper.js
@@ -41,13 +41,13 @@ export async function sendTextMessage(content) {
 
 /**
  * 发送图片消息
- * @param {string} imageUrl - 图片URL（字符串）
+ * @param {string|File} imageSource - 图片URL（字符串）或文件对象
  * @param {string} imageName - 图片名称（可选）
  * @returns {Promise<boolean>} 发送是否成功
  */
-export async function sendImageMessage(imageUrl, imageName = '图片') {
-    if (!imageUrl) {
-        toast('图片URL不能为空');
+export async function sendImageMessage(imageSource, imageName = '图片') {
+    if (!imageSource) {
+        toast('图片不能为空');
         return false;
     }
 
@@ -57,7 +57,17 @@ export async function sendImageMessage(imageUrl, imageName = '图片') {
             return false;
         }
 
-        const result = await globalTimChatManager.sendImageMessage(imageUrl);
+        // 如果是URL字符串，需要先下载转换为文件对象
+        let imageFile = imageSource;
+        if (typeof imageSource === 'string') {
+            imageFile = await downloadImageAsFile(imageSource, imageName);
+            if (!imageFile) {
+                toast('图片下载失败');
+                return false;
+            }
+        }
+
+        const result = await globalTimChatManager.sendImageMessage(imageFile);
 
         if (result?.success) {
             return true;
@@ -72,6 +82,44 @@ export async function sendImageMessage(imageUrl, imageName = '图片') {
     }
 }
 
+/**
+ * 将图片URL下载转换为文件对象（小程序环境）
+ * @param {string} imageUrl - 图片URL
+ * @param {string} fileName - 文件名
+ * @returns {Promise<Object|null>} 文件对象或null
+ */
+async function downloadImageAsFile(imageUrl, fileName = '图片') {
+    return new Promise((resolve) => {
+        uni.downloadFile({
+            url: imageUrl,
+            success: (res) => {
+                if (res.statusCode === 200) {
+                    // 返回包含 tempFiles 数组的对象，模拟 uni.chooseMedia 的返回格式
+                    const fileObj = {
+                        tempFiles: [{
+                            tempFilePath: res.tempFilePath,
+                            path: res.tempFilePath,
+                            size: 0,
+                            type: 'image'
+                        }],
+                        // 也保留直接的 tempFilePath 以兼容其他代码
+                        tempFilePath: res.tempFilePath
+                    };
+                    console.log('图片下载成功，文件对象:', fileObj);
+                    resolve(fileObj);
+                } else {
+                    console.error('下载图片失败，状态码:', res.statusCode);
+                    resolve(null);
+                }
+            },
+            fail: (error) => {
+                console.error('下载图片失败:', error);
+                resolve(null);
+            }
+        });
+    });
+}
+
 /**
  * 发送宣教文章消息
  * @param {Object} article - 文章对象 { _id, title, cover, url }
diff --git a/utils/tim-chat.js b/utils/tim-chat.js
index 81f7c9d..000962b 100644
--- a/utils/tim-chat.js
+++ b/utils/tim-chat.js
@@ -2189,7 +2189,7 @@ class TimChatManager {
 	async sendImageMessage(imageFile) {
 		if (!this.tim) {
 			this.triggerCallback('onError', 'IM未初始化')
-			return
+			return { success: false, error: 'IM未初始化' }
 		}
 
 		if (!this.conversation) {
@@ -2240,20 +2240,27 @@ class TimChatManager {
 		// 触发消息接收回调，让UI立即显示
 		this.triggerCallback('onMessageReceived', localMessage)
 
-		const message = this.tim.createImageMessage({
-			to: groupID,
-			conversationType: TIM.TYPES.CONV_GROUP,
-			payload: { file: imageFile }
-		})
-
 		try {
+			console.log('准备创建图片消息，imageFile:', imageFile)
+			const message = this.tim.createImageMessage({
+				to: groupID,
+				conversationType: TIM.TYPES.CONV_GROUP,
+				payload: { file: imageFile }
+			})
+
+			console.log('图片消息创建成功:', message)
+
+			if (!message) {
+				throw new Error('createImageMessage 返回空值')
+			}
+
 			await this.tim.sendMessage(message)
 			localMessage.status = 'success'
 			return { success: true, message: localMessage }
 		} catch (error) {
 			console.error('图片消息发送失败:', error)
 			localMessage.status = 'failed'
-			return { success: false, error }
+			return { success: false, error: error.message || error }
 		}
 	}
 	// 发送语音消息