vue使用axios实现动态追加数据

<template>
    <div>
          <div>
            <el-button type="primary"  @click="handleBtnGetJoke">请求数据</el-button>
            <el-button type="danger" @click="handleBtnClearData" v-if="aDatas.length > 0?true:false">清空数据</el-button>
          </div>  
          <div>
            <ul v-if="aDatas.length > 0?true:false">
                <li class="joke-list" v-for="item in aDatas"
                                    :key="item.hashId">{{ item.content }}
                </li>
                <div class="loading" v-if="aDatas.length > 0?true:false"> 
                    <el-button size="mini"  type="primary" @click="handleBtnLoading" >加载</el-button>
                </div>
            </ul> 
          </div>
    </div>
</template>

<script setup>
import axios from "axios";
import { ref  } from "vue";

let aDatas = ref([]);
let page = ref(1);
let pagesize = ref(5);

async function handleBtnGetJoke() {
    const params = {
        key: 'aa1b7ad08be2a09a4e0d2d46897e2dc8',
        page: page.value,
        pagesize:pagesize.value,
        time: 1418816972
    }

    const response =  await axios.get('/api/joke/content/text.php',{params})
    console.log(response);
    if(response.status == 200) {
        const { data } = response.data.result;
        console.log(data);
        // 之类使用了concat方法,将数据叠加到aDatas中
        aDatas.value = aDatas.value.concat(data);
    }
}

// 加载数据,叠加
function handleBtnLoading() {
    // 页码+1,自增
    page.value++;
    // 重新加载数据
    handleBtnGetJoke(); 
}

// 清空数据
function handleBtnClearData() {
    aDatas.value = [];
}
</script>

<style scoped>
.joke-list {
    list-style-type: decimal;
    list-style-position: outside;
    padding: 5px 0;
    border-bottom: dashed 1px #ccc;
}

.loading {
    margin: 0 auto;
    text-align:center;
}
</style>

aDatas.value = aDatas.value.concat(data);

 // 页码+1,自增
    page.value++;
    // 重新加载数据
    handleBtnGetJoke(); 

import { onMounted } from 'vue';

onMounted(() =>  {
    // 调用handleBtnGetJoke方法, 加载数据
    handleBtnGetJoke();
})