@Datetimeformat received less than minutes and seconds, conversion times type exception

The error information is as follows

 nopaexpiretimeFailed to convert property value of type 'java.lang.String' to required type 'java.util.Date' for property 'nopaexpiretime'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert
 from type [java.lang.String] to type [@com.baomidou.mybatisplus.annotation.TableField 
 @org.springframework.format.annotation.DateTimeFormat java.util.Date] for value '2020-12-21 19:45:27'; nested 
 exception is java.lang.IllegalArgumentException: Parse attempt failed for value [2020-12-21 19:45:27]

It's actually a matter of time capitalization in annotations

@DateTimeFormat(pattern = "yyyy-MM-dd hh:mm:ss")

@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")

Change it to uppercase

• end

• Add

receive json Data is used when

@JsonFormat(pattern = "yyyy-MM-dd")  Add this comment on time 
@PostMapping(value = "" ,produces = "application/json;charset=UTF-8")
@RequestBody   receive json data  

receive form Data is used when

@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
@DateTimeFormat(pattern = "yyyy-MM-dd")
@Valid    receive form data    Just make this comment on time 

Record problems encountered in daily work , For future reference

2021-01-28 Supplementary content
In the use of @JsonFormat When the annotation , Need to add timezone = “GMT+8”;

@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")

Otherwise, the time will still be poor 8 Hours