vue聊天对话ai流式输出

template>
  div class="talkContent">
    div class="talkShow">
      div :class="[(item.person=='mechanical')?'mechanicalTalk':'mineTalk']" v-for="(item,index) in talkList" :key="index">
          span>{{item.say}}span>
      div>
    div>
    div class="talkInput">
      form @submit.prevent="getQuestion" class="userSearch">
        el-input
          placeholder=" 请输入内容 "
          v-model="contentVal"
          size="small">
          i slot="suffix" class="el-input__icon el-icon-position" style="cursor: pointer;" @click="getQuestion">i>
        el-input>
     form>
    div>
  div>
template>

script>
export default {
  data() {
    return {
      talkList: [
        { id:"1", person: 'mechanical', say: '你好，有什么可以帮到你呢？' },
      ],
      isMine: 1,
      contentVal: '',
    };
  },
  methods: {
    getQuestion() {
      if (this.contentVal == '') {
        this.$message.error('请输入内容');
        return;
      }
      
      this.talkList.push({ id: Date.now(), person:'admin', say: this.contentVal });
      
      this.contentVal = '';
      this.getAnswer();
    },
    async getAnswer() {
      
      const data ='文字逐个展示，文字逐个展示，文字逐个展示文字逐个展示文字逐个展示文字逐个展示文字逐个展示文字逐个展示文字逐个展示文字逐个展示文字逐个展示';
      
      this.talkList.push({ id: Date.now(), person:'mechanical', say: '...' });
      
      let text = "";
      const length = this.talkList.length;
      for (let i = 0; i  data.length; i++) {
        text += data.charAt(i);
        await new Promise((resolve) => {
          setTimeout(resolve, 50)
        });
        this.talkList[length - 1].say= text;
      }
    }
  },
};
script>

style scoped>
.talkContent {
  margin: 50px auto 0;
  font-size: 14px;
}

.talkShow {
  height: 400px;
  margin: 10px auto 0;
  overflow: auto;
}

.talkInput {
  margin: 10px auto 0;
  display: flex;
}

.mechanicalTalk {
  margin: 10px;
}

.mechanicalTalk span {
  display: inline-block;
  background: white;
  border-radius: 10px;
  padding: 5px 10px;
  border: 1px solid rgb(214, 216, 219);
  border-top-left-radius: 0px;
  word-break: break-all;
  text-align: left;
}

.mineTalk {
  margin: 10px;
  text-align: right;
}

.mineTalk span {
  display: inline-block;
  border-radius: 10px;
  border-top-right-radius: 0px;
  background: #409eff;
  color: #fff;
  padding: 5px 10px;
  word-break: break-all;
  text-align: left;
}

style>