im加载云端消息

src/residentWX/nim/Session.vue

@@ -162,7 +162,8 @@ export default {
                 onconnect: () => {
                     console.log('连接成功 ================>')
                     this.isConnect = true
-                    this.getLocalMsgs()
+                    // this.getLocalMsgs()
+                    this.getHistoryMsgs()
                     this.toBottom('instant')
                     setTimeout(() => {
                         // 开启滚动加载
@@ -245,8 +246,34 @@ export default {
                 }
             })
         },
+        // 加载云端消息
+        getHistoryMsgs() {
+            const msg = this.msgs[0] || {}
+            this.loading = true
+            this.nim.getHistoryMsgs({
+                // sessionId: `p2p-${this.targetId}`,
+                scene: 'p2p',
+                to: this.targetId,
+                limit: 40,
+                end: msg.time,
+                done: (error, obj) => {
+                    console.log('获取p2p历史消息' + (!error?'成功':'失败'), obj);
+                    const msgs = obj.msgs || []
+                    this.loading = false
+                    if (!msgs.length) {
+                        this.finished = true
+                        return
+                    }
+                    msgs.sort((a, b) => {
+                        return a.time - b.time
+                    })
+                    this.msgs = msgs.concat(this.msgs)
+                }
+            })
+        },
         loadHistory() {
-            this.getLocalMsgs()
+            // this.getLocalMsgs()
+            this.getHistoryMsgs()
         },
         handleFiles() {
             let files = this.$refs['fileElem'].files