经纬度正则/^[\-\+]?(0(\.\d{1,10})?|([1-9](\d)?)(\.\d{1,10})?|1[0-7]\d{1}(\.\d{1,10})?|180(\.0{1,10})?)$/ 纬度/^[\-\+]?((0|([1-8]\d?))(\.\d{1,10})?|90(\.0{1,10})?)$/ 日期格式化'20150825'.replace(/(\d{4})(\d{2})(\d{2})/,'$1-$2-$3')