更新 优化多个会话切换的草稿功能，提升性能

pages/chat/chat.nvue

@@ -253,7 +253,9 @@
         aboutUserKeyword: '',
         memberListScrollTop: 0,
         chooseMoreMsg: false,
-        checkedMsgList: []
+        checkedMsgList: [],
+        // 聊天输入框内容
+        chatInputContent: '',
       };
     },
     props: {
@@ -319,24 +321,6 @@
         })
       },
       //聊天数据
-      //当前会话的聊天框文字内容
-      chatInputContent: {
-        get() {
-          // console.log('this.conversation',this.conversation);
-          return this.conversation?.chatInputContent || '';
-        },
-        set(chatInputContent) {
-          // #ifdef APP-NVUE
-          if(this.nvueSetChatInputContent){
-            clearTimeout(this.nvueSetChatInputContent)
-          }
-          this.nvueSetChatInputContent = setTimeout(()=>this.conversation.chatInputContent = chatInputContent,1000)
-          // #endif
-          // #ifndef APP-NVUE
-          this.conversation.chatInputContent = chatInputContent
-          // #endif
-        }
-      },
       canSend() {
         if(typeof this.chatInputContent === 'string'){
           return this.chatInputContent.trim() != ''
@@ -577,14 +561,14 @@
     },
     onUnload() {
       // console.log('onUnload');
-
+      
       // 关闭监听消息推送事件
       uniIm.offMsg(this.onImMsg);
-
+      
       // #ifndef H5
       uni.offKeyboardHeightChange(this.onKeyboardHeightChange)
       // #endif
-
+      
       //页面销毁之前销毁 全局变量 正在聊天的用户的id
       uniIm.currentConversationId = false
       // console.log('beforeDestroy');
@@ -660,9 +644,15 @@
       async load(param) {
         this.answerMsg = false
         // conversation_id = "single_eff0518ad35e16a8a025cc8af03e0388"
+        if(this.conversation.id){
+          // 设置（含清空）上一个会话的chatInputContent 实现多个会话之间的草稿功能
+          this.conversation.chatInputContent = this.chatInputContent
+        }
 
         // console.log('conversation_id',conversation_id);
         this.conversation = await uniIm.conversation.get(param)
+        // 初始化会话的chatInputContent
+        this.chatInputContent = this.conversation.chatInputContent
         // this.conversation.call_list = []
         // console.log('this.conversation',this.conversation)
         
@@ -1118,10 +1108,7 @@
           msg.body = msg.body.trim();
           // 阻止发送空消息
           if (!msg.body.length) {
-            this.$nextTick(() => {
-              this.chatInputContent = '';
-              this.textareaHeight = 26;
-            });
+            this.resetChatInput()
             return uni.showToast({
               title: '不能发送空消息',
               icon: 'none'
@@ -1162,12 +1149,6 @@
             })
           }
         }
-        
-        this.$nextTick(e => {
-          this.chatInputContent = '';
-          this.textareaHeight = 26;
-          this.answerMsg = false
-        });
 
         //如果是回复某一条消息，需要带上相关id
         if (this.answerMsg !== false) {
@@ -1176,6 +1157,8 @@
 
         // 消息列表追加此消息。此时消息状态值为0，表示发送中
         let resMsg = this.conversation.msgList.push(msg)
+        
+        this.resetChatInput()
 
         this.$nextTick(() => {
           this.showLast()
@@ -1197,6 +1180,12 @@
           return msg;
         }
       },
+      resetChatInput() {
+        this.chatInputContent = ''
+        this.textareaHeight = 26
+        // 关闭引用的消息
+        this.answerMsg = false
+      },
       getCallUid(param){
         let aboutNicknameList = []
         if( this.isWidescreen){