spring绑定java8中的LocalDateTime、LocalDate

@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
//前端传值格式为   2019-05-21 14:25:10
private LocalDateTime time;

@DateTimeFormat(pattern = "yyyy-MM-dd")
//前端传值格式为   2019-05-21 
private LocalDate nowDate;