vue와 Element-plus를 활용하여 실시간 채팅 기능을 구현하는 방법

<template>
  <div class="chat-container">
    <div class="chat-message-list">
      <div v-for="(message, index) in messages" :key="index" class="chat-message">
        <div class="chat-message-sender">{{ message.sender }}</div>
        <div class="chat-message-content">{{ message.content }}</div>
      </div>
    </div>
    <div class="chat-input">
      <el-input v-model="inputMessage" placeholder="请输入消息"></el-input>
      <el-button @click="sendMessage">发送</el-button>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      messages: [],
      inputMessage: ''
    }
  },
  methods: {
    sendMessage() {
      if (this.inputMessage) {
        // 发送消息逻辑
        // ...
        // 清空输入框
        this.inputMessage = ''
      }
    }
  }
}
</script>

<style scoped>
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px;
}

.chat-message-list {
  flex: 1;
  overflow-y: auto;
}

.chat-message {
  margin-bottom: 10px;
}

.chat-message-sender {
  font-weight: bold;
}

.chat-input {
  display: flex;
  align-items: center;
  margin-top: 10px;
}
</style>

mounted() {
  const socket = new WebSocket('ws://localhost:8080/chat');
  socket.onmessage = (event) => {
    const message = JSON.parse(event.data);
    this.messages.push(message);
  };
}

sendMessage() {
  if (this.inputMessage) {
    const message = {
      sender: '用户A',
      content: this.inputMessage
    };
    this.messages.push(message); // 先将消息显示在聊天界面
    // 发送消息到服务器
    socket.send(JSON.stringify(message));
    // 清空输入框
    this.inputMessage = '';
  }
}