一、代码

<template>
  <div class="mainBox">
    <div class="headbox">
      <el-input  placeholder="请输入文件名称搜索" prefix-icon="el-icon-search" v-model="fileName" :clearable="true" @change="search()" ></el-input>
    </div>
    <ul class="listBox" v-infinite-scroll="infiniteScroll" :infinite-scroll-disabled="routeLoad||noMore" :infinite-scroll-distance="5" >
      <li class="file" v-for="(item,index) in list" :key="index">
        {{item.FILE_NAME}}
        <el-button size="mini" round @click="handleDown(item)">下载</el-button>
      </li>
      <el-empty v-show="list.length==0" description="文件为空"></el-empty>
    </ul>
  </div>
</template>

<script>
import request from '@/http/request'
export default {
  data () {
    return {
      list: [],//列表
      searchText: '',//搜素内容
        fileName:'',//文件名称
        noMore: false, // 控制滚动禁用
        routeLoad: false, // 控制滚动禁用
        limit:18,
        page:1,
    }
  },
  computed: {

  },
  mounted () {
    this.initList()
  },
  methods:{
    // 滚动加载数据
    infiniteScroll() {
      this.routeLoad = true;
      this.page += 1; // 页码每次滚动+1
      this.initList();
    },
    // 初始化列表数据
    initList () {
      this.$myLoading.showLoading()
			let data={
				limit:this.limit,//条数
				page:this.page,//当前页码
        fileName:this.fileName,//文件名称
			}
      request.$http('/file/queryFileList', 'get', data).then(response => {
        this.$myLoading.hideLoading()
        if (response.code === 0) {
          let listData = response.data;
          for (let i = 0; i < listData.length; i++) {
            this.list.push(listData[i]);
          }
          // 如果请求回来的数据小于limit，则说明数据到底了。
          if (listData.length < 18) {
            this.noMore = true;
          }
          // 避免数据总条数是pageSize的倍数时，数据到底还会请求一次。
          if (this.list.length === response.count) {
            this.noMore = true;
          }
          this.routeLoad = false;
        } else {
          this.$msg.error(response.msg)
        }
      })
    },
    // 搜索 
    search () {
      this.list = []
      this.page = 1
      this.initList()
    },
    // 点击下载图标触发
    handleDown (row) {
      console.log(row)
      this.$myLoading.showLoading()
      request.$http('/file/downloadFile', 'get', { filePath: row.FILE_PATH, fileName: row.FILE_NAME }, { responseType: "blob" }).then(response => {
        this.$myLoading.hideLoading()
        const link = document.createElement('a')  // 创建a标签
        let blob = new Blob([response])
        link.style.display = 'none'
        link.href = URL.createObjectURL(blob)   // 创建下载的链接
        link.setAttribute('download', row.FILE_NAME)  // 给下载后的文件命名
        document.body.appendChild(link)
        link.click()  // 点击下载
        document.body.removeChild(link)  //  完成移除元素
        window.URL.revokeObjectURL(link.href)  // 释放blob对象
      })
    },
  }
}
</script>

<style lang="less" scoped>
.mainBox {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  overflow: auto;
  background: #f7f7f9;
  color: #333;
  font-size: 16px;

  .headbox {
    padding: 28px 20px 18px;
    position: fixed;
    width: 100%;
    border-radius: 6px;
    opacity: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: #ffffff;
    border-bottom: 20px solid #f7f7f9;

    /deep/ .el-input__inner {
      height: 36px;
      border-radius: 30px;
      text-align: center;
      background: #f3f3f3;
      border: none;
    }
    /deep/ .el-input__prefix {
      // left:100px;
      left: 3px;
    }
    /deep/ &.on .el-input__icon {
      left: 100px;
    }
    /deep/ .el-input__icon {
      line-height: 36px;
    }
    .IconShow{
      /deep/ .el-icon-search:before{
      content:''
     }
    }
  }

  .listBox {
    background: #fff;
    height: calc(100% - 102px);
    overflow: auto;
    margin-top: 100px;
    .file {
      padding: 12px 15px;
      background: #ffffff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #f2f2f3;
      /deep/ .el-button {
        border: 1px solid#2E74DE;
        color: #2e74de;
        font-size: 16px;
      }
    }
  }
}
</style>

二、实现效果