1 报错[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile (default-compile) on project ly-item-interface: Compil

使用 mvn idea:idea 的方法,结果居然成功了，上图！！！！同时一定要注意自己pom.xml里面是否出现错误，不然也无法运行

//定义时间格式转换器@Beanpublic MappingJackson2HttpMessageConverter jackson2HttpMessageConverter() { MappingJackson2HttpMessageConverter converter = new Map

public static void main(String[] args) { String s = "00000018A0010098C68E00989A690000000000BC614E000055AA55AA"; System.out.println(s); byte[]