34 lines
1.1 KiB
Java
34 lines
1.1 KiB
Java
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package com.zhangmeng.online.exam.utils;
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import com.zhangmeng.jwt.dto.LoginUser;
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import org.springframework.security.authentication.AnonymousAuthenticationToken;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.context.SecurityContextHolder;
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/**
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* @author zm
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* @date 2025/4/6 16:21
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* @version: 1.0
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*/
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public class UserUtils {
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public static Long getCurrentUserId() {
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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LoginUser loginUser = null;
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if (authentication != null) {
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if (authentication instanceof AnonymousAuthenticationToken) {
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return null;
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}
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if (authentication instanceof UsernamePasswordAuthenticationToken) {
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loginUser = (LoginUser) authentication.getPrincipal();
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}
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}
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if (loginUser != null){
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return loginUser.getId();
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}
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return null;
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}
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}
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