/**
* @description 格式化cookie选项
* @param Obj
*/
function formatCookie(Obj = {}) {
  const objKeys = Object.keys(Obj);
  if (objKeys.length < 1) return '';
 
  let str = '';
 
  objKeys.map(item => {
    const value = Obj[item];
    value && (str += `;${item}=${value}`);
  });
  return str;
}
 
/**
* @description js原生设置cookie
* @param Obj
* @param {String} Obj.name 给你要设置的cookie起个名字(key)
* @param {String} Obj.value cookie的具体内容(value)
* @param {String} Obj.maxAge 设置cookie的相对过期时间，单位：s
* @param {String} Obj.expire 设置cookie的绝对过期时间(国际标准时间)，单位：s
* @param {Boolean} Obj.secure 设置cookie是否只通过https传输
*/
function setCookie(Obj = {}) {
  if (!Obj.name) return '';
 
  const cookieStr = `${Obj.name}=${Obj.value}` + formatCookie({
    'path': Obj.path || '',
    'max-age': Obj.maxAge || 0,
    'expires': Obj.expire || ''
  });
 
  Obj.secure === true && (cookieStr += ';secure');
  document.cookie = cookieStr;
}
 
/**
* @description js原生获取指定cookie
* @param name 获取指定cookie
*/
function getCookie(name) {
  const cookies = document.cookie;
  if (!cookies) return '';
 
  const oCookie = {};
  const cookieArr = cookies.split(';');
  for (item of cookieArr) {
    const index = item.indexOf('=');
    oCookie[item.slice(0, index).trim()] = item.slice(index + 1);
  }
 
  return oCookie[name];
}
 
/**
* @description js原生删除指定cookie
* @param name
*/
function removeCookie(name) {
  setCookie({
    name,
    value: '',
    maxAge: -1
  });
};
 
// maxAge调用示例
setCookie({
  name: 'test',
  value: 'test',
  maxAge: 10 // 单位s
});
 
// expire调用示例
let ex = new Date();
ex.setSeconds(100);
setCookie({
  name: 'test',
  value: 'test',
  expire: ex.toUTCString()
});
 
// 仅https传输调用示例
setCookie({
  name: 'test',
  value: 'test',
  maxAge: 10, // 单位s
  secure: true
});