代码地址

const filterNullParams = (params, allValue) => {

  Object.keys(params).filter(

    key => (

      params[key] === ''

      || params[key] === undefined

      || params[key] === null

    )

      && delete params[key]

  );

  return params;

}

const queryList = () => {

    const reqData = {

      a: 1,

      b: '',

      c: -1,

    }

    axios.get('/api/openplatform/brand/kacompany/list', { params: filterNullParams(reqData) })

      .then(res => res.data)

      .then((res) => {

        // 代码

      });

  }