Summarize some developed

A, spring boot problem-solving time zone

Method One: application.properties 

spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=Asia/Shanghai 

Method two: Start plus class

public static void main(String[] args) {
 　　TimeZone.setDefault(TimeZone.getTimeZone("Asia/Shanghai"));
　　SpringApplication.run(BaseMicroServiceApplication.class, args);
}

Second, get the user's IP Tools