weixin_48581386的博客

前端上传文件夹给后端

springboot跨域的5种方法

Java工具类---获取IP(IpUtils)

问题描述：Cannot serialize; nested exception is org.springframework.core.serializer.support.SerializationFailedException: Failed to serialize object using DefaultSerializer; nested exception is java.lang.IllegalArgumentException: DefaultSerializer requires a S

问题描述[ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0:resources (default-resources) on project helloworld: Input length = 1 -> [Help 1]原因分析：plugins标签里面缺少maven-resources-plugin依赖