转url拼接参数

const toUrlParams = (params) => {
  let paramStr = ''
  Object.keys(params)
    .forEach((item) => {
      if (paramStr === '') {
        paramStr = `${item}=${params[item]}`
      } else {
        paramStr = `${paramStr}&${item}=${params[item]}`
      }
    })
  return paramStr
}