jQuery.validator.addMethod("time_formatter", function(value, element) {
var reg = /^(\d{4})-((0([1-9]{1}))|(1[0|1|2]))-(([0-2]([0-9]{1}))|(3[0|1]))\s([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])$/;
return this.optional(element) || (reg.test(value));
},"时间格式如1970-01-01 00:00:00");