All files / src/string getQueryParam.ts

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/**
 * 获取地址栏参数
 * @param name 
 * @param url 
 */
export function getQueryParam(name: string, url?: string): string | undefined {
  Iif (typeof name !== 'string') {
    return undefined;
  }
 
  Iif (typeof url === 'undefined') {
    if (typeof window !== 'undefined') {
      url = window.location.href;
    }
  }
 
  Eif (typeof url === 'string') {
    const reg = new RegExp(`(\\?|&)${name}=([^&]*)(&|$)`, "i");
    const r = url.match(reg);
    if (r !== null) {
      return unescape(r[2]);
    }
  }
 
  return undefined;
}