uniapp中uview组件库的丰富Upload 上传上午用法

<template>
  <u-upload
    :fileList="fileList1"
    @afterRead="afterRead"
    @delete="deletePic"
    name="1"
    multiple
    :maxCount="10"
  ></u-upload>
</template>
<script>
  export default {
    data() {
      return {
        fileList1: [],
      }
    },
    methods:{
      // 删除图片
      deletePic(event) {
        this[`fileList${event.name}`].splice(event.index, 1)
      },
      // 新增图片
      async afterRead(event) {
        // 当设置 multiple 为 true 时, file 为数组格式，否则为对象格式
        let lists = [].concat(event.file)
        let fileListLen = this[`fileList${event.name}`].length
        lists.map((item) => {
          this[`fileList${event.name}`].push({
            ...item,
            status: 'uploading',
            message: '上传中'
          })
        })
        for (let i = 0; i < lists.length; i++) {
          const result = await this.uploadFilePromise(lists[i].url)
          let item = this[`fileList${event.name}`][fileListLen]
          this[`fileList${event.name}`].splice(fileListLen, 1, Object.assign(item, {
            status: 'success',
            message: '',
            url: result
          }))
          fileListLen++
        }
      },
      uploadFilePromise(url) {
        return new Promise((resolve, reject) => {
          let a = uni.uploadFile({
            url: 'http://192.168.2.21:7001/upload', // 仅为示例，非真实的接口地址
            filePath: url,
            name: 'file',
            formData: {
              user: 'test'
            },
            success: (res) => {
              setTimeout(() => {
                resolve(res.data.data)
              }, 1000)
            }
          });
        })
      },
    }
  }
</script>

<u-upload
  :fileList="fileList2"
  @afterRead="afterRead"
  @delete="deletePic"
  name="2"
  multiple
  :maxCount="10"
  accept="video"
></u-upload>
<!-- data 方法请参考 基本用法 -->
data(){
  return{
    fileList2: [],
  }
}

<u-upload
  :fileList="fileList3"
  @afterRead="afterRead"
  @delete="deletePic"
  name="3"
  multiple
  :maxCount="10"
  :previewFullImage="true"
></u-upload>
<!-- data 方法请参考 基本用法 -->
data(){
  return{
    fileList3: [{
      url: 'https://cdn.uviewui.com/uview/swiper/1.jpg',
    }],
  }
}

<u-upload
  :fileList="fileList4"
  @afterRead="afterRead"
  @delete="deletePic"
  name="4"
  multiple
  :maxCount="2"
></u-upload>
<!-- data 方法请参考 基本用法 -->
data(){
  return{
    fileList4: [{
        url: 'https://cdn.uviewui.com/uview/swiper/1.jpg',
      },
      {
        url: 'https://cdn.uviewui.com/uview/swiper/1.jpg',
      }
    ],
  }
}

<u-upload
  :fileList="fileList5"
  @afterRead="afterRead"
  @delete="deletePic"
  name="5"
  multiple
  :maxCount="3"
></u-upload>
<!-- data 方法请参考 基本用法 -->
data(){
  return{
    fileList5: [],
  }
}

<u-upload
  :fileList="fileList6"
  @afterRead="afterRead"
  @delete="deletePic"
  name="6"
  multiple
  :maxCount="1"
  width="250"
  height="150"
>
  <image src="https://cdn.uviewui.com/uview/demo/upload/positive.png" 
  mode="widthFix" style="width: 250px;height: 150px;"></image>
</u-upload>
<!-- data 方法请参考 基本用法 -->
data(){
  return{
    fileList6: [],
  }
}