uiapp 上传图片

<template>
  <uv-upload
    :fileList="fileList1"
    name="1"
    multiple 
    :maxCount="10"
    @afterRead="afterRead" 
    @delete="deletePic" 
  ></uv-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>