vue3上传图片（组件上传）

import { ElMessageBox } from "element-plus";

<el-upload
            list-type="picture-card"
            :action="'https://*******'"//接口
            :on-change="handleChange"
            :before-remove="beforeRemove"
            :on-preview="handlePictureCardPreview"
            :file-list="fileList.front_file"
            multiple
            limit="1"//限制上传数量
            name="img"//参数
          >
<el-icon class="avatar-uploader-icon">
              <Plus />
            </el-icon>
          </el-upload>

// 上传图片
const fileList = ref([]);
const handleChange = file => {
  if (file.status == "success") {
    fileList.value = [];
    fileList.value.push(file.response);
    console.log(fileList);
    console.log(fileList.value[0].front_file);
  }
};
// 删除
const beforeRemove = () => {
  const result = new Promise((resolve, reject) => {
    ElMessageBox.confirm("此操作将删除该图片, 是否继续?", "提示", {
      confirmButtonText: "确定",
      cancelButtonText: "取消",
      type: "warning"
    })
      .then(() => {
        resolve();
        upload_btn.value = false;
      })
      .catch(() => {
        reject(false);
      });
  });
  return result;
};

:class="{ hide_box: upload_btn }"
            :on-success="handleSuccess"

const upload_btn = ref(false);

.hide_box /deep/ .el-upload--picture-card {
  display: none;
}