export function dateFormat(time: number | Date, cFormat: string) {
  if(arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date;
  if(typeof time === 'object') {
    date = time
  }else{
    if(('' + time).length === 10 && (''+time).indexOf('-') === -1 ) time = time * 1000;
    date = new Date(time)
  }
  var formatObj:{[index: string] : number}  = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }

  // @ts-ignore：忽略match不被使用的报错
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (match: string, key: string) => {
    const value = formatObj[key];
    if(key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
    if((''+value).length > 0 && value - 10 < 0) {
      return '0' + value
    }
      return value
    
  })
  return time_str
} 

export function isArray(o: any){
  return Object.prototype.toString.call(o)=='[object Array]';
}