gen-form/src/utils/generator/slots/el-upload.jsx

export default {
  "list-type": (conf, key) => {
    const list = [];
    const config = conf.__config__;
    if (conf["list-type"] === "picture-card") {
      list.push(<i class="el-icon-plus"></i>);
    } else {
      list.push(
        <el-button size="small" type="primary" icon="el-icon-upload">
          {config.buttonText}
        </el-button>
      );
    }
    if (config.showTip) {
      list.push(
        <div slot="tip" class="el-upload__tip">
          只能上传不超过 {config.fileSize}
          {config.sizeUnit} 的{conf.accept}文件
        </div>
      );
    }
    return list;
  },
};