<template>
  <el-upload
    action="https://jsonplaceholder.typicode.com/posts/"
    list-type="picture-card"
    :on-preview="handlePictureCardPreview"
    :on-remove="handleRemove"
  >
    <i class="el-icon-plus"></i>
  </el-upload>
  <el-dialog v-model="dialogVisible">
    <img width="100%" :src="dialogImageUrl" alt="" />
  </el-dialog>
</template>
<script lang="ts">
export default {
  data() {
    return {
      dialogImageUrl: '',
      dialogVisible: false,
    }
  },
  methods: {
    handleRemove(file, fileList) {
      console.log(file, fileList)
    },
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.url
      this.dialogVisible = true
    },
  },
}
</script>
