使用vue制作一个聊天框

使用 Vue 制作的简单聊天框：

<template>
  <div class="chat-box">
    <div class="message-list">
      <div class="message" v-for="(message, index) in messages" :key="index">
        <div class="message-content" :class="{ 'self': message.self }">
          <span v-if="!message.self" class="message-user">{{ message.user }}</span>
          <div class="message-text">{{ message.text }}</div>
        </div>
      </div>
    </div>
    <div class="input-box">
      <input type="text" v-model="messageText" @keydown.enter="addMessage" placeholder="请输入消息内容">
      <button @click="addMessage">发送</button>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      messages: [
        { user: '小明', text: '你好啊', self: false },
        { user: '', text: '你好', self: true }
      ],
      messageText: ''
    };
  },
  methods: {
    addMessage() {
      if (!this.messageText) return;
      this.messages.push({
        user: '',
        text: this.messageText,
        self: true
      });
      this.messageText = '';
    }
  }
};
</script>

<style>
.chat-box {
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.message {
  display: flex;
  margin: 4px 0;
}

.self .message-content {
  justify-content: flex-end;
}

.message-content {
  display: flex;
  flex-direction: column;
  max-width: 70%;
  padding: 6px 10px;
  background-color: #d9edf7;
  border-radius: 15px;
}

.message-user {
  font-size: 12px;
  font-weight: bold;
  margin-bottom: 6px;
}

.message-text {
  font-size: 14px;
}
.input-box {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding: 10px;
}

.input-box input {
  flex: 1;
  margin-right: 10px;
  padding: 6px 10px;
  font-size: 14px;
  border-radius: 5px;
  border: none;
  outline: none;
}

.input-box button {
  padding: 6px 20px;
  font-size: 14px;
  font-weight: bold;
  border-radius: 5px;
  background-color: #4caf50;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

.input-box button:hover {
  background-color: #388e3c;
}
</style>