我正在从2012-12-31格式的JSON对象中获取日期，并尝试将其转换为友好值并输出。varredeemableDate=item.Deal.RedeemableDate;//thisiscomingintheformof2012-12-31varredeemableDate=newDate(redeemableDate);varrdDay=weekday[redeemableDate.getDay()];//usinganarraywithweekdaysvarrdDate=redeemableDate.getDate();varrdMonth=monthNames[redeema