feat: 完善聊天模块

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Application.Contracts/Dtos/GroupMessageInputDto.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.ChatHub.Application.Contracts.Dtos
+{
+    public class GroupMessageInputDto
+    {
+        /// <summary>
+        /// 消息内容
+        /// </summary>
+        public string Content { get; set; }
+    }
+}

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Application.Contracts/Dtos/PersonalMessageInputDto.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.ChatHub.Application.Contracts.Dtos
+{
+    public class PersonalMessageInputDto
+    {
+        /// <summary>
+        /// 用户id
+        /// </summary>
+        public Guid UserId { get; set; }
+
+        /// <summary>
+        /// 消息内容
+        /// </summary>
+        public string Content { get; set; }
+    }
+}

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Application.Contracts/Yi.Framework.ChatHub.Application.Contracts.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<Import Project="..\..\..\common.props" />
 
 

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Application/Services/ChatMessageService.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Volo.Abp.Application.Services;
+using Yi.Framework.ChatHub.Application.Contracts.Dtos;
+using Yi.Framework.ChatHub.Domain.Managers;
+using Yi.Framework.ChatHub.Domain.Shared.Model;
+
+namespace Yi.Framework.ChatHub.Application.Services
+{
+    public class ChatMessageService : ApplicationService
+    {
+        private UserMessageManager _userMessageManager;
+        public ChatMessageService(UserMessageManager userMessageManager) { _userMessageManager = userMessageManager; }
+        /// <summary>
+        /// 发送个人消息
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost("chat-message/personal")]
+        [Authorize]
+        public async Task SendPersonalMessageAsync(PersonalMessageInputDto input)
+        {
+            await _userMessageManager.SendMessageAsync(MessageContext.CreatePersonal(input.Content, input.UserId,CurrentUser.Id!.Value)); ;
+        }
+
+
+        /// <summary>
+        /// 发送群组消息
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost("chat-message/group")]
+        [Authorize]
+        public async Task SendGroupMessageAsync(GroupMessageInputDto input)
+        {
+            await _userMessageManager.SendMessageAsync(MessageContext.CreateAll(input.Content, CurrentUser.Id!.Value)); ;
+
+        }
+    }
+}

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Application/Services/ChatUserService.cs

@@ -1,31 +1,19 @@
-using System;
+using Mapster;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using FreeRedis;
-using Mapster;
-using Microsoft.Extensions.Options;
 using Volo.Abp.Application.Services;
-using Volo.Abp.Caching;
+using Yi.Framework.ChatHub.Domain.Managers;
-using Volo.Abp.DependencyInjection;
+using Yi.Framework.ChatHub.Domain.Shared.Model;
-using Yi.Framework.ChatHub.Application.Contracts.Dtos;
-using Yi.Framework.ChatHub.Domain.Shared.Caches;
 
 namespace Yi.Framework.ChatHub.Application.Services
 {
     public class ChatUserService : ApplicationService
     {
-        /// <summary>
+        private UserMessageManager _messageManager;
-        /// 使用懒加载防止报错
+        public ChatUserService(UserMessageManager messageManager) { _messageManager = messageManager; }
-        /// </summary>
+
-        private IRedisClient RedisClient => LazyServiceProvider.LazyGetRequiredService<IRedisClient>();
+        public async Task<List<ChatUserModel>> GetListAsync()
-        private string CacheKeyPrefix => LazyServiceProvider.LazyGetRequiredService<IOptions<AbpDistributedCacheOptions>>().Value.KeyPrefix;
-        public async Task<List<ChatUserGetListOutputDto>> GetListAsync()
         {
-            var key = new ChatOnlineUserCacheKey(CacheKeyPrefix);
+            var userList = await _messageManager.GetAllUserAsync();
-            var cacheUsers = (await RedisClient.HGetAllAsync(key.GetKey())).Select(x => System.Text.Json.JsonSerializer.Deserialize < ChatOnlineUserCacheItem >( x.Value)).ToList();
+            var output = userList.Adapt<List<ChatUserModel>>();
-            var output = cacheUsers.Adapt<List<ChatUserGetListOutputDto>>();
             return output;
         }
     }

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain.Shared/Consts/ChatConst.cs

@@ -9,5 +9,8 @@ namespace Yi.Framework.ChatHub.Domain.Shared.Consts
     public class ChatConst
     {
         public const string AllGroupName = "all";
+
+        public const string ClientActionReceiveMsg = "receiveMsg";
+        public const string ClientActionUserStatus = "userStatus";
     }
 }

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain.Shared/Model/ChatUserModel.cs

@@ -4,9 +4,9 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace Yi.Framework.ChatHub.Application.Contracts.Dtos
+namespace Yi.Framework.ChatHub.Domain.Shared.Model
 {
-    public class ChatUserGetListOutputDto
+    public class ChatUserModel
     {
         /// <summary>
         /// 用户id
@@ -22,5 +22,6 @@ namespace Yi.Framework.ChatHub.Application.Contracts.Dtos
         /// 用户头像
         /// </summary>
         public string UserIcon { get; set; }
+
     }
 }

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain.Shared/Model/MessageContext.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.ChatHub.Domain.Shared.Model
+{
+    public class MessageContext
+    {
+        public static MessageContext CreatePersonal(string content, Guid userId,Guid sendUserId)
+        {
+            return new MessageContext() { MessageType = MessageType.Personal, Content = content, ReceiveId = userId ,SendUserId= sendUserId };
+        }
+
+        public static MessageContext CreateAll(string content, Guid sendUserId)
+        {
+            return new MessageContext() { MessageType = MessageType.All, Content = content, SendUserId = sendUserId };
+        }
+
+
+        /// <summary>
+        /// 消息类型
+        /// </summary>
+        [JsonConverter(typeof(JsonStringEnumConverter))]
+        public MessageType MessageType { get; set; }
+        /// <summary>
+        /// 接收者(用户id、群组id)
+        /// </summary>
+        public Guid? ReceiveId { get; set; }
+
+        /// <summary>
+        /// 发送者的用户id
+        /// </summary>
+        public Guid SendUserId { get; set; }
+        /// <summary>
+        /// 消息内容
+        /// </summary>
+        public string Content { get; set; }
+
+    }
+
+    public enum MessageType
+    {
+
+        Personal,
+        Group,
+        All
+    }
+}

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain.Shared/Yi.Framework.ChatHub.Domain.Shared.csproj

@@ -3,7 +3,6 @@
 	<ItemGroup>
 	  <Folder Include="Enums\" />
 	  <Folder Include="Etos\" />
-	  <Folder Include="Model\" />
 	</ItemGroup>
 
 	<ItemGroup>

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain/Managers/UserMessageManager.cs

@@ -0,0 +1,66 @@
+using FreeRedis;
+using Mapster;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Extensions.Options;
+using Volo.Abp.Caching;
+using Volo.Abp.Domain.Services;
+using Yi.Framework.ChatHub.Domain.Shared.Caches;
+using Yi.Framework.ChatHub.Domain.Shared.Consts;
+using Yi.Framework.ChatHub.Domain.Shared.Model;
+using Yi.Framework.ChatHub.Domain.SignalRHubs;
+
+namespace Yi.Framework.ChatHub.Domain.Managers
+{
+    public class UserMessageManager : DomainService
+    {
+        private IHubContext<ChatCenterHub> _hubContext;
+        public UserMessageManager(IHubContext<ChatCenterHub> hubContext)
+        {
+            _hubContext = hubContext;
+        }
+        /// <summary>
+        /// 使用懒加载防止报错
+        /// </summary>
+        private IRedisClient RedisClient => LazyServiceProvider.LazyGetRequiredService<IRedisClient>();
+        private string CacheKeyPrefix => LazyServiceProvider.LazyGetRequiredService<IOptions<AbpDistributedCacheOptions>>().Value.KeyPrefix;
+
+        public async Task SendMessageAsync(MessageContext context)
+        {
+            switch (context.MessageType)
+            {
+                case MessageType.Personal:
+                    var userModel =await GetUserAsync(context.ReceiveId.Value);
+                    if (userModel is not null)
+                    {
+                        await _hubContext.Clients.Client(userModel.ClientId).SendAsync(ChatConst.ClientActionReceiveMsg, context.MessageType, context);
+                    }
+                    break;
+                case MessageType.Group:
+                    throw new NotImplementedException();
+                    break;
+                case MessageType.All:
+                    await _hubContext.Clients.All.SendAsync(ChatConst.ClientActionReceiveMsg, context.MessageType, context);
+                    break;
+                default:
+                    break;
+            }
+
+        }
+
+        public async Task<List<ChatOnlineUserCacheItem>> GetAllUserAsync()
+        {
+            var key = new ChatOnlineUserCacheKey(CacheKeyPrefix);
+            var cacheUsers = (await RedisClient.HGetAllAsync(key.GetKey())).Select(x => System.Text.Json.JsonSerializer.Deserialize<ChatOnlineUserCacheItem>(x.Value)).ToList();
+            return cacheUsers;
+        }
+
+        public async Task<ChatOnlineUserCacheItem?> GetUserAsync(Guid userId)
+        {
+            var key = new ChatOnlineUserCacheKey(CacheKeyPrefix);
+            var cacheUser = System.Text.Json.JsonSerializer.Deserialize < ChatOnlineUserCacheItem >( await RedisClient.HGetAsync(key.GetKey(), key.GetField(userId)));
+            return cacheUser;
+        }
+    }
+
+
+}

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain/SignalRHubs/ChatCenterHub.cs

@@ -5,16 +5,15 @@ using Microsoft.AspNetCore.SignalR;
 using Microsoft.Extensions.Options;
 using Volo.Abp.AspNetCore.SignalR;
 using Volo.Abp.Caching;
-using Volo.Abp.DependencyInjection;
-using Yi.Framework.ChatHub.Application.Contracts.Dtos;
 using Yi.Framework.ChatHub.Domain.Shared.Caches;
 using Yi.Framework.ChatHub.Domain.Shared.Consts;
+using Yi.Framework.ChatHub.Domain.Shared.Model;
 
-namespace Yi.Framework.ChatHub.Application.SignalRHubs
+namespace Yi.Framework.ChatHub.Domain.SignalRHubs
 {
     [HubRoute("/hub/chat")]
     [Authorize]
-    public class ChatHub : AbpHub
+    public class ChatCenterHub : AbpHub
     {
         /// <summary>
         /// 使用懒加载防止报错
@@ -24,7 +23,7 @@ namespace Yi.Framework.ChatHub.Application.SignalRHubs
         /// 缓存前缀
         /// </summary>
         private string CacheKeyPrefix => LazyServiceProvider.LazyGetRequiredService<IOptions<AbpDistributedCacheOptions>>().Value.KeyPrefix;
-        public ChatHub()
+        public ChatCenterHub()
         {
         }
 
@@ -48,7 +47,7 @@ namespace Yi.Framework.ChatHub.Application.SignalRHubs
 
             //连接时，还需要去查询用户包含在的群组，将群主全部加入.Todo
             await Groups.AddToGroupAsync(Context.ConnectionId, ChatConst.AllGroupName);
-            await Clients.All.SendAsync("liveUser", item.Adapt<ChatUserGetListOutputDto>());
+            await Clients.All.SendAsync("liveUser", item.Adapt<ChatUserModel>());
 
 
         }

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain/Yi.Framework.ChatHub.Domain.csproj

@@ -7,7 +7,6 @@
 
 	<ItemGroup>
 
-
 		<PackageReference Include="Volo.Abp.AspNetCore.SignalR" Version="$(AbpVersion)" />
 
 		<PackageReference Include="Volo.Abp.Ddd.Domain" Version="$(AbpVersion)" />
@@ -19,7 +18,6 @@
 	<ItemGroup>
     <Folder Include="Entities\" />
     <Folder Include="EventHandlers\" />
-    <Folder Include="Managers\" />
     <Folder Include="Repositories\" />
   </ItemGroup>
 

Yi.Bbs.Vue3/src/apis/chatMessageApi.js

@@ -0,0 +1,18 @@
+import request from "@/config/axios/service";
+
+export function sendPersonalMessage(data) {
+  return request({
+    url: "/chat-message/personal",
+    method: "post",
+    data
+  });
+}
+
+export function sendGroupMessage(data) {
+    return request({
+      url: "/chat-message/group",
+      method: "post",
+      data
+    });
+  }
+  

Yi.Bbs.Vue3/src/hubs/chatHub.js

@@ -13,7 +13,7 @@ const receiveMsg = (connection) => {
     });
     //接受其他用户消息
     connection.on("receiveMsg", (type, content) => {
-
+        chatStore.addMsg(content);
     });
     //用户状态-正在输入中，无
     connection.on("userStatus", (type) => {

Yi.Bbs.Vue3/src/stores/chat.js

@@ -1,25 +1,28 @@
 import { defineStore } from "pinia";
-
 const chatStore = defineStore("chat", {
   state: () => ({
     userList: [],
+    msgList: []
   }),
-//   getters: {
+    getters: {
-//     userListData: (state) => state.userList,
+      allMsgContext: (state) => state.msgList.filter(x=>x.messageType=="All"),
-//   },
+      personalMsgContext: (state) => state.msgList.filter(x=>x.messageType=="Personal"),
-  actions: {
+    },
-    // 设置在线总数
+  actions:
+  {
+    setMsgList(value) {
+      this.msgList = value;
+    },
+    addMsg(msg) {
+      this.msgList.push(msg);
+    },
     setUserList(value) {
       this.userList = value;
     },
-    addUser(user)
+    addUser(user) {
-    {
-
       this.userList.push(user);
     },
-    delUser(userId)
+    delUser(userId) {
-    {
-
       this.userList = this.userList.filter(obj => obj.userId != userId);
     }
   },

Yi.Bbs.Vue3/src/views/chathub/Index.vue

@@ -1,18 +1,162 @@
 <script setup>
-import { onMounted, ref,computed } from 'vue';
+import { onMounted, ref, computed } from 'vue';
-import {storeToRefs} from 'pinia'
+import { storeToRefs } from 'pinia'
-import {getList as getChatUserList} from '@/apis/chatUserApi'
+import { getList as getChatUserList } from '@/apis/chatUserApi'
+import { sendPersonalMessage,sendGroupMessage } from '@/apis/chatMessageApi'
 import useChatStore from "@/stores/chat";
-const chatStore=useChatStore();
+import useUserStore from "@/stores/user";
-const {userList} =storeToRefs(chatStore);
 
-onMounted(async()=>{
+//聊天存储
+const chatStore = useChatStore();
+const { userList } = storeToRefs(chatStore);
+
+//用户信息
+const userStore = useUserStore();
+//发送消息是否为空
+const msgIsNullShow=ref(false)
+//当前选择用户
+const currentSelectUser = ref(null);
+//当前输入框的值
+const currentInputValue = ref("");
+//临时存储的输入框，根据用户id及组name、all组为key，data为value
+const inputListDataStore = ref([{ key: "all", value: "" }]);
+
+//当前聊天框显示的消息
+const currentMsgContext = computed(() => {
+  if (selectIsAll()) {
+    return chatStore.allMsgContext;
+  }
+  else {
+    return chatStore.personalMsgContext.filter(x => {
+      //两个条件
+      //接收用户者id为对面id（我发给他）
+      //或者，发送用户id为对面（他发给我）
+      return (x.receiveId == currentSelectUser.value.userId && x.sendUserId == userStore.id)||
+      (x.sendUserId == currentSelectUser.value.userId && x.receiveId == userStore.id);
+    });
+  }
+});
+
+//当前聊天框显示的名称
+const currentHeaderName = computed(() => {
+  return currentSelectUser.value == null ? "官方学习交流群" : currentSelectUser.value.userName;
+});
+const currentUserItem = computed(() => {
+  return userList.value.filter(x=>x.userId!=useUserStore().id)
+});
+
+
+//初始化
+onMounted(async () => {
   chatStore.setUserList((await getChatUserList()).data);
 })
 
+/*-----方法-----*/
+//当前选择的是否为全部
+const selectIsAll = () => {
+  return currentSelectUser.value == null;
+};
+
+//输入框的值被更改
+const changeInputValue = (inputValue) => {
+  currentInputValue.value = inputValue;
+  let index = -1;
+  let findKey = currentSelectUser.value?.userId
+  if (selectIsAll()) {
+    findKey = 'all'
+  }
+  index = inputListDataStore.value.findIndex(obj => obj.key == findKey);
+  inputListDataStore.value[index].value = currentInputValue.value;
+}
+//绑定的input改变事件
+const updateInputValue = (event) => {
+  changeInputValue(event.target.value);
+}
+//获取输入框的值
+const getCurrentInputValue = () => {
+
+  if (selectIsAll()) {
+    return inputListDataStore.value.filter(x => x.key == "all")[0].value;
+  } else {
+    //如果不存在初始存储值
+    if (!inputListDataStore.value.some(x => x.key == currentSelectUser.value.userId)) {
+      inputListDataStore.value.push({ key: currentSelectUser.value.userId, value: "" });
+      return "";
+    }
+    return inputListDataStore.value.filter(x => x.key == currentSelectUser.value.userId)[0].value;
+  }
+};
+
+//点击用户列表,
+const onclickUserItem = (userInfo, isAllItem) => {
+  if (isAllItem) {
+    currentSelectUser.value = null;
+  }
+  else {
+    currentSelectUser.value = userInfo;
+  }
+  //填充临时存储的输入框
+  var value = getCurrentInputValue();
+  //更新当前的输入框
+  changeInputValue(value);
+}
+
+//点击发送按钮
+const onclickSendMsg = () => {
+  console.log(currentInputValue.value ,"currentInputValue.value");
+if(currentInputValue.value=="")
+{
+  msgIsNullShow.value=true;
+  setTimeout(() => {
+      // 这里写上你想要3秒后执行的代码
+      msgIsNullShow.value=false;
+    }, 3000);
+  return;
+}
+
+  if (selectIsAll()) {
+    onclickSendGroupMsg("all", currentInputValue.value);
+  }
+  else {
+    onclickSendPersonalMsg(currentSelectUser.value.userId, currentInputValue.value);
+  }
+  changeInputValue("");
+}
+
+//点击发送个人消息
+const onclickSendPersonalMsg = (receiveId, msg) => {
+  //添加到本地存储
+  chatStore.addMsg({
+    messageType: "Personal",
+    sendUserId: userStore.id,
+    content: msg,
+    receiveId: receiveId
+  });
+  sendPersonalMessage({userId:receiveId,content:msg});
+  //调用接口发送消息
+}
+
+//点击发送群组消息按钮
+const onclickSendGroupMsg = (groupName, msg) => {
+  //组还需区分是否给全部成员组
+  if (selectIsAll) {
+    //添加到本地存储,不需要，因为广播自己能够接收
+    // chatStore.addMsg({
+    //   messageType: "All",
+    //   sendUserId: userStore.id,
+    //   content: msg
+    // });
+    //调用接口发送消息
+    sendGroupMessage({content:msg});
+  }
+  else {
+    alert("暂未实现");
+  }
+}
 </script>
 
 <template>
+
   <div class="body">
     <div class="left">
       <div class="icon">
@@ -47,9 +191,10 @@ onMounted(async()=>{
         </div>
       </div>
       <div class="user-list">
-        <div class="user-div" style="background-color: #C8C8CA;">
+        <div class="user-div" @click="onclickUserItem(null, true)"
+          :class="{ 'select-user-item': currentSelectUser == null }">
           <div class="user-div-left">
-            <img src="@/assets/chat_images/friendicon.jpg" />
+            <img src="@/assets/chat_images/yilogo.png" />
             <div class="user-name-msg">
               <p class="font-name">官方学习交流群</p>
               <p class="font-msg">冲冲冲</p>
@@ -62,11 +207,12 @@ onMounted(async()=>{
         </div>
 
 
-        <div v-for="(item,i) in userList" :key="i" class="user-div">
+        <div v-for="(item, i) in currentUserItem" :key="i" @click="onclickUserItem(item, false)" class="user-div"
+          :class="{ 'select-user-item': currentSelectUser?.userId == item.userId }">
           <div class="user-div-left">
             <img src="@/assets/chat_images/friendicon.jpg" />
             <div class="user-name-msg">
-              <p class="font-name">{{item.userName}}</p>
+              <p class="font-name">{{ item.userName }}</p>
               <p class="font-msg">现在感觉怎么样</p>
             </div>
           </div>
@@ -79,7 +225,7 @@ onMounted(async()=>{
 
     <div class="right">
       <div class="header">
-        <div class="header-left">橙子</div>
+        <div class="header-left">{{ currentHeaderName }}</div>
         <div class="header-right">
           <div>
             <ul>
@@ -96,48 +242,53 @@ onMounted(async()=>{
 
       </div>
       <div class="content">
-        <div v-for="i in 100" :key="i">
+        <div v-for="(item, i) in currentMsgContext" :key="i">
-          <div class="content-others content-common">
+          <div class="content-myself content-common" v-if="item.sendUserId == userStore.id">
-            <img src="@/assets/chat_images/friendicon.jpg" />
+            <div class="content-myself-msg content-msg-common ">{{ item.content }}</div>
-            <div class="content-others-msg content-msg-common  ">感觉还可以</div>
-          </div>
-          <div class="content-myself content-common">
-            <div class="content-myself-msg content-msg-common ">现在感觉怎么样</div>
             <img src="@/assets/chat_images/icon.jpg" />
           </div>
 
+          <div class="content-others content-common" v-else>
+            <img src="@/assets/chat_images/friendicon.jpg" />
+            <div class="content-others-msg content-msg-common  ">{{ item.content }}</div>
+          </div>
+
         </div>
 
       </div>
       <div class="bottom">
         <div class="bottom-tool">
 
-            <ul class="ul-left">
+          <ul class="ul-left">
-              <li><img src="@/assets/chat_images/emoji.png" /></li>
+            <li><img src="@/assets/chat_images/emoji.png" /></li>
-              <li><img src="@/assets/chat_images/sendFile.png" /></li>
+            <li><img src="@/assets/chat_images/sendFile.png" /></li>
-              <li><img src="@/assets/chat_images/screenshot.png" /></li>
+            <li><img src="@/assets/chat_images/screenshot.png" /></li>
-              <li><img src="@/assets/chat_images/chatHistory.png" /></li>
+            <li><img src="@/assets/chat_images/chatHistory.png" /></li>
-            </ul>
+          </ul>
 
-            <ul class="ul-right">
+          <ul class="ul-right">
-              <li><img src="@/assets/chat_images/landline.png" /></li>
+            <li><img src="@/assets/chat_images/landline.png" /></li>
-              <li><img src="@/assets/chat_images/videoChat.png" /></li>
+            <li><img src="@/assets/chat_images/videoChat.png" /></li>
-            </ul>
+          </ul>
-          
-            </div>
-            <div class="bottom-input" contenteditable="true">
 
-            </div>
+        </div>
+        <!-- <div class="bottom-input" contenteditable="true" @input="updateInputValue"> -->
+        <!-- <div class="bottom-input" contenteditable="true"  @input="updateInputValue">
 
-            <div class="bottom-send">
+        </div> -->
-              <button>
+        <textarea class="bottom-input" v-model="currentInputValue" @input="updateInputValue" @keyup.enter="onclickSendMsg()">
-                发送(S)
+
-              </button>
+</textarea>
+        <div class="bottom-send">
+          <div class="msg-null" v-show="msgIsNullShow">不能发送空白信息</div>
+          <button @click="onclickSendMsg()">
+            发送(S)
+          </button>
 
-            </div>
-          </div>
         </div>
       </div>
+    </div>
+  </div>
 </template>
 <style scoped lang="scss">
 .body {
@@ -148,6 +299,10 @@ onMounted(async()=>{
   box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.2);
 }
 
+.select-user-item {
+  background-color: #C8C8CA !important;
+}
+
 .left {
   background-color: #2a2a2a;
   width: 70px;
@@ -344,46 +499,52 @@ onMounted(async()=>{
 
     &-tool {
       display: flex;
-    justify-content: space-between;
+      justify-content: space-between;
       height: 22px;
+
       .ul-left {
-          display: flex;
+        display: flex;
 
-          li {
+        li {
-            width: 22px;
+          width: 22px;
-            height: 22px;
+          height: 22px;
-            margin-right: 20px;
+          margin-right: 20px;
-          }
-
-          img {
-            width: 100%;
-            height: 100%;
-          }
         }
-   
-      .ul-right {
-          display: flex;
 
-          li {
+        img {
-            width: 22px;
+          width: 100%;
-            height: 22px;
+          height: 100%;
-            margin-right: 20px;
-          }
-
-          img {
-            width: 100%;
-            height: 100%;
-          }
         }
-    
       }
 
+      .ul-right {
+        display: flex;
+
+        li {
+          width: 22px;
+          height: 22px;
+          margin-right: 20px;
+        }
+
+        img {
+          width: 100%;
+          height: 100%;
+        }
+      }
+
+    }
+
     &-input {
+      font-family: "Microsoft YaHei", sans-serif;
       height: 70px;
       width: 100%;
       overflow-y: auto;
       padding: 10px 0;
       font-size: 18px;
+      background: #F7F7F7;
+      border: none;
+      resize: none;
+      outline: none;
     }
 
     &-send {
@@ -445,6 +606,7 @@ onMounted(async()=>{
 
 .content-common {
   display: flex;
+  margin-bottom: 18px;
 
   img {
     height: 45px;
@@ -526,5 +688,34 @@ onMounted(async()=>{
   border-bottom: 10px solid transparent;
   border-right: 10px solid #FFFFFF;
 
+}
+.msg-null{
+  width: 140px;
+    height: 41px;
+    background-color: #FFFFFF;
+    position: relative;
+    left: 132px;
+    bottom: 60px;
+    border-radius: 5px;
+    // border: 2px solid #E5E5E5;
+    display: flex;
+    align-content: center;
+    justify-content: center;
+    flex-wrap: wrap;
+    font-size: 14px;
+}
+.msg-null:after {
+  /* 箭头靠下边 */
+  content: "";
+    position: absolute;
+    width: 0;
+    height: 0;
+    top: 40px;
+    left: 80px;
+    border-top: 10px solid #FFFFFF;
+    border-bottom: 10px solid transparent;
+    border-right: 10px solid transparent;
+    border-left: 10px solid transparent;
+
 }
 </style>