获取今天日期，年月日格式
getMonthDate() {var date = new Date(); //Wed Jul 15 09:58:54 GMT+0800 (中国标准时间)var year = date.getFullYear() + "";//var month = (date.getMonth() + 1) + "";//7if(month.length<2){month='0'+month//07} var day = date.getDate() + "";//15if(day .length<2){day ='0'+day } // 本月第一天日期var now= year + "-" + month + "-" + day return now},
