动态规划核心:重叠子问题与最优子结构详解及实战
2026/8/25 7:34:35
使用Spring Security获取当前用户
基于SecurityContextHolder
import org.springframework.security.core.Authentication; import org.springframework.security.core.context.SecurityContextHolder; import org.springframework.security.core.userdetails.UserDetails; public class UserService { public String getCurrentUsername() { Authentication authentication = SecurityContextHolder.getContext().getAuthentication(); if :::ml-data{name=citationList}