组件迁移，发送完消息之后的展示，延迟

utils/im/message.js

@@ -1,5 +1,43 @@
-import store from '@/store/index.js'
-import * as RongIMLib from '@/uni_modules/RongCloud-IMWrapper/js_sdk/index'
+import store from '@/store/index.js'
+import * as RongIMLib from '@/uni_modules/RongCloud-IMWrapper/js_sdk/index'
+
+const getMessageList = (conversationType, targetId, callback) => {
+    // 获取消息列表
+    const objectNames = [
+        'RC:TxtMsg',
+        'RC:VcMsg',
+        'RC:HQVCMsg',
+        'RC:ImgMsg',
+        'RC:GIFMsg',
+        'RC:ImgTextMsg',
+        'RC:FileMsg',
+        'RC:LBSMsg',
+        'RC:SightMsg',
+        'RC:ReferenceMsg',
+        'RC:CombineMsg'
+    ]
+    const timeStamp = new Date().getTime()
+    const count = 10 // 获取的消息数量
+    const isForward = true // 是否向前获取
+    RongIMLib.getHistoryMessagesByTimestamp(conversationType, targetId, objectNames, timeStamp,
+        count,
+        isForward,
+        ({
+            code,
+            messages
+        }) => {
+            if (code === 0) {
+                callback(messages)
+            } else {
+                uni.showToast({
+                    icon: 'error',
+                    title: code
+                })
+            }
+        }
+    )
+}
+
 /**
  * 发送文本消息
  * @param {number}  conversationType 消息类型
@@ -7,7 +45,7 @@ import * as RongIMLib from '@/uni_modules/RongCloud-IMWrapper/js_sdk/index'
  * @param {string}  content 消息内容
  * @param {function}  callback 回调函数
  */
-const sentText = (conversationType, targetId, content, callback) => {
+const sentText = (conversationType, targetId, content, callback) => {
     console.log('发送');
     const msg = {
         conversationType: conversationType,
@@ -31,7 +69,7 @@ const sentText = (conversationType, targetId, content, callback) => {
             })
         }
     })
-}
+}
 
 /**
  * 发送消息
@@ -144,11 +182,12 @@ const sendFile = (conversationType, targetId, fileUrl, time, callback) => {
         }
     })
 }
-
-export default {
-    sentText,
-    sentVoice,
-    sentImage,
-    sentGif,
-    sendFile
-}
+
+export default {
+    getMessageList,
+    sentText,
+    sentVoice,
+    sentImage,
+    sentGif,
+    sendFile
+}