js动态拼接url参数query

// 定义url字符串拼接的方法 

const setUrlQuery = (options) => {

  let { url, query } = options;

  if (!url) return '';

  if (query) {

    let queryArr = [];

    for (const key in query) {

      if (query.hasOwnProperty(key)) {

        queryArr.push(`${key}=${query[key]}`)

      }

    }

    if (url.indexOf('?') !== -1) {

      url = `${url}&${queryArr.join('&')}`

    } else {

      url = `${url}?${queryArr.join('&')}`
    }
  }

  return url;

}

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