vue 聊天页

<template>
  <div class="lick-container" @keyup.enter="sendMessage">
    <div class="chat-content-container">
      <div class="header">联通</div>
      <div class="body" ref="msgBody">
        <div
          class="message"
          v-for="(message, index) in messageList"
          :key="index"
          :class="{ self: message.type === 'self' }"
        >
          <div class="avatar"></div>
          <div class="trangle"></div>
          <div class="content">{{ message.content }}</div>
        </div>
      </div>
    </div>
    <div class="type-container">
      <input class="type-input" v-model="keyWord" />
      <div class="send-btn" @click="sendMessage">发送</div>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      keyWord: "",
      messageList: [
        { type: "oppsite", content: "测试1" },
        { type: "oppsite", content: "测试2！" },
      ],
      simpWordList: [
        "测试...",
        "测试...",
        "测试...",
        "测试...",
        "测试...",
        "测试...",
        "测试...",
      ],
    };
  },
  // mounted() {
  //   // setInterval(this.addReply, 5000)
  // },
  methods: {
    addReply() {
      const { simpWordList } = this;
      const length = simpWordList.length;
      const index = Math.floor(Math.random() * length);
      this.messageList.push({ type: "oppsite", content: simpWordList[index] });
      this.$nextTick(() => {
        this.$refs.msgBody.scrollTop = this.$refs.msgBody.scrollHeight;
      });
    },
    sendMessage() {
      if (this.keyWord === "") {
        return;
      }
      this.messageList.push({ type: "self", content: this.keyWord });
      this.addReply();
      this.keyWord = "";
    },
  },
};
</script>
<style lang="scss">
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.br-10px {
  border-radius: 10px;
}
.lick-container {
  height: 100%;
  margin: 0 auto;
}
.chat-content-container {
  .header {
    width: 100%;
    height: 79px;
    background: #ededed;
    border-bottom: 3px solid #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
  }
  .body {
    width: 100%;
    height: calc(100vh - 158px);
    overflow: auto;
    &::-webkit-scrollbar {
      width: 0 !important;
    }
    background: #ededed;
    padding-top: 10px;
    .message {
      display: flex;
      align-items: center;
      margin-bottom: 10px;
      margin-left: 15px;
      &.self {
        flex-direction: row-reverse;
        margin-left: auto;
        margin-right: 15px;
        .trangle {
          border: none;
          border-top: 12.5px solid transparent;
          border-left: 12.5px solid rgb(149, 236, 105);
          border-bottom: 12.5px solid transparent;
          margin-left: 0;
          margin-right: 20px;
        }
        .content {
          background: rgb(149, 236, 105);
        }
        .avatar {
          &::before {
            content: "B";
            top: 50%;
            color: #fff;
            font-size: 30px;
            left: 50%;
            transform: translate(-50%, -50%);
            position: absolute;
          }
        }
      }
      .avatar {
        width: 75px;
        height: 75px;
        position: relative;
        background: #25e465;
        background-size: cover;
        border-radius: 10px;
        text-align: center;
        box-shadow: 1px 3px 4px 1px rgba(0, 0, 0, 0.5);
        &::before {
          content: "C";
          top: 50%;
          color: #fff;
          font-size: 30px;
          left: 50%;
          transform: translate(-50%, -50%);
          position: absolute;
        }
      }
      .trangle {
        width: 0;
        height: 0;
        border-right: 12.5px solid #fff;
        border-bottom: 12.5px solid transparent;
        border-top: 12.5px solid transparent;
        margin-left: 20px;
      }
      .content {
        min-height: 75px;
        max-width: 505px;
        display: flex;
        align-items: center;
        font-size: 30px;
        padding: 20px 20px;
        background: #fff;
        border-radius: 10px;
      }
    }
  }
}
.type-container {
  width: 100%;
  height: 79px;
  background: #ededed;
  border-top: 3px solid #e9e9e9;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  .type-input {
    border: none;
    width: 75%;
    height: 59px;
    font-size: 30px;
    border-radius: 10px;
    outline: none;
    text-indent: 30px;
  }
  .send-btn {
    background: rgb(80, 236, 105);
    width: 15%;
    height: 59px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    cursor: pointer;
  }
}
</style>