1 完成需求对对碰小程序消息发送页面不能连续发送消息的问题。

2 完成需求对对碰小程序消息发送页面点击输入键盘顶起页面的优化，改为消息条数>5顶起页面，反之不顶

pages/msgModule/index.js

     },
     onShow() {
         this.setData({
-            currentIndex: 2
+            currentIndex: 2,
+            pageLoading:true
         })
         const businessCommunicationCustomer = wx.getStorageSync('businessCommunicationCustomer') || null;
         if (businessCommunicationCustomer) {

pages/msgModule/index.wxml

 <!-- pages/msgPage/msgPage.wxml -->
 <view class="msg-page page-container">
     <view class="list-loading text-center" wx:if="{{ pageLoading }}">
-        <van-loading size="24px">加载中...</van-loading>
+        <van-loading size="24px">加载新消息...</van-loading>
     </view>
     <view wx:else class="body-view">
         <view class="top-view {{ topShow ? 'topShow' : '' }}">

pages/msgModule/wechat2/wechat2.js

         isSendImg: false,
         // 发送图片url
         mangerUrl: "",
+        // 当前的键盘高度
+        inputHeight: null,
+        // 点击键盘是否顶页面
+        adjustPosition: false,
     },
 
     /**
             let _data = JSON.parse(res.data);
             // console.log(_data, '_data');
             if (_data.readMessageCode) {
-                list.forEach(el=>{
+                list.forEach(el => {
                     el.isRead = true;
                 })
-                historyList.forEach(el=>{
+                historyList.forEach(el => {
                     el.isRead = true;
                 })
                 _this.setData({
                 }
 
                 let param = {
-                    sendno: _this.data.receiveMemberId+'',
-                    userno: _this.data.sendMemberId+'',
-                    messageModule : "010",
+                    sendno: _this.data.receiveMemberId + '',
+                    userno: _this.data.sendMemberId + '',
+                    messageModule: "010",
                     readMessageCode: _data.chatRecord.chatRecord.chatRecordCode,
                 };
 
                 $request.post('/businessCommunicationDemand/readChatRecord.action', param).then(res => {
                     if (res.status == 0) {
-                        console.log(res.data,'res');
+                        console.log(res.data, 'res');
                     }
                 }).catch(err => {
                     console.log(err)
                     this.setData({
                         historyList
                     })
+                    this.isAdjustPosition();
                 }
                 // 如果产品ID存在
                 if (businessCommunicationDemandId) {
     /**
     * 页面上拉触底事件的处理函数
     */
-    onReachBottom: function () {
+    onReachBottom() {
 
     },
-    send: function () {
-        var _this = this;
-        if (_this.data.input) {
-            this.sendmsgApi(_this.data.input, 0);
+    send() {
+        if (this.data.input) {
+            this.sendmsgApi(this.data.input, 0);
         }
     },
     sendmsgApi(content, msgType) {
         this.setData({
             newsList: list,
             input: null,
-            inputShowed: true,
         })
         this.scrollBottom()
         //  表情选择隐藏
         this.setData({
             emotionVisible: false,
         })
+        this.isAdjustPosition();
         const client = wx.getSystemInfoSync().windowHeight    // 获取当前窗口的高度
     },
-    bindChange: function (res) {
+    bindChange(res) {
         this.setData({
-            input: res.detail.value,
+            input: res.detail,
         })
     },
     back: function () {
             current: url, // 当前显示图片的http链接
             urls: [url] // 需要预览的图片http链接列表
         })
+    },
+    // 计算页面是否需要顶起
+    isAdjustPosition() {
+        let { newsList, historyList } = this.data;
+        // 如果消息条数大于5条就要顶页面了
+        if (newsList.length + historyList.length > 5) {
+            this.setData({
+                adjustPosition: true
+            })
+        } else {
+            this.setData({
+                adjustPosition: false
+            })
+        }
+    },
+    // 输入框获取焦点
+    inputFocus(e) {
+        if(!this.data.adjustPosition){
+            this.setData({
+                inputHeight: e.detail.height
+            })
+        }
+    },
+    // 输入框失去焦点
+    inputBlur(e) {
+        this.setData({
+            inputHeight: 0
+        })
     }
 })
 

pages/msgModule/wechat2/wechat2.wxml

                             <image class='other-head-img' src='{{item.senderHeadPortrait}}'></image>
                             <view class='other-record-content-triangle'></view>
                             <view class='other-record-content' style="user-select:text!important;-webkit-user-select:text">
-                                <text selectable="{{true}}" user-select='true'>
-                                    {{item.content}}
-                                </text>
-                                <!-- <view class="msg-isRead left">{{ item.isRead ? '已读' : '未读' }}</view> -->
+                                <text selectable="{{true}}" user-select='true'>{{item.content}}</text>
                             </view>
                         </view>
                     </view>
                         </view>
                         <view class='own-record'>
                             <view class='own-record-content' style="user-select:text!important;-webkit-user-select:text">
-                                <text selectable="{{true}}" user-select='true'>
-                                    {{item.content}}
-                                </text>
+                                <text selectable="{{true}}" user-select='true'>{{item.content}}</text>
                                 <view class="msg-isRead right">
                                     {{ item.isRead ? '已读' : '未读' }}
                                 </view>
                         <image class='other-head-img' src='{{receivebaseInfo.avatar}}'></image>
                         <view class='other-record-content-triangle'></view>
                         <view class='other-record-content' style="user-select:text!important;-webkit-user-select:text">
-                            <text selectable="{{true}}">{{item.message}}</text>
-                            <!-- <view class="msg-isRead left">{{ item.isRead ? '已读' : '未读' }}</view> -->
+                            <text selectable="{{true}}" user-select='true'>{{item.message}}</text>
                         </view>
                     </view>
                 </view>
                 <!-- 图片消息 左 -->
                 <view wx:elif="{{item.type==1 && item.messageType == 2}}" id="scrollid{{index}}">
                     <view>
-                        <text class='chat-time' style="display:none;" user-select='true'>
-                            {{item.date}}
-                        </text>
+                        <text class='chat-time' style="display:none;">{{item.date}}</text>
                     </view>
                     <view class='other-record'>
                         <image class='other-head-img' src='{{receivebaseInfo.avatar}}'></image>
         </scroll-view>
     </view>
 </view>
-<view class="sendmessage">
+<view class="sendmessage" style="bottom:{{ inputHeight }}px">
     <view class="send-message">
-        <van-cell-group>
-            <van-field value="{{ input }}" placeholder="" border="{{ false }}" bind:change="bindChange" />
-        </van-cell-group>
+        <!-- <van-cell-group> -->
+        <van-field 
+            type="text"
+            value="{{ input }}" 
+            placeholder="" 
+            border="{{ false }}" 
+            bind:change="bindChange" 
+            confirm-hold="{{ true }}"
+            confirm-type="send"
+            cursor-spacing="{{ 26 }}"
+            bind:confirm="send"
+            adjust-position="{{ adjustPosition }}"
+            bind:focus="inputFocus"
+            bind:blur="inputBlur"
+            focus="{{inputShowed}}"
+        />
+        <!-- </van-cell-group> -->
         <!-- <input class="chat-input" type="text" bindinput="bindChange" confirm-type="send" value='{{input}}' cursor-spacing="16px" hold-keyboard="{{true}}" placeholder="" bindconfirm="send" focus="{{inputShowed}}" /> -->
         <image class="expression-msg-img" src="/images/home/expression-msg-icon.png" bind:tap="emotionChange" />
         <image class="img-msg-img" src="/images/home/img-msg-icon.png" bindtap="upImg" />

pages/msgModule/wechat2/wechat2.wxss

 }
 
 .sendmessage input {
-    height: 81rpx;
     background-color: #fff;
-    line-height: 81rpx;
-    font-size: 28rpx;
-    padding-left: 20rpx;
-    width: 530rpx;
+    width: 460rpx;
 }
 
 .sendmessage .expression-msg-img,
     line-height: 80rpx;
     word-break: break-all;
 }
-.chat-input {
-    width: 60%;
-    height: 40px;
-    border: 0;
-    border-radius: 8px;
-    margin-left: 5rpx;
-}
+
 
 .back-icon {
     margin-top: 25rpx;