~zhoushihao/YiWuProject.git

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			package com.mes.userinfo.entity;

			import com.alibaba.fastjson.annotation.JSONField;
			import org.springframework.security.core.GrantedAuthority;
			import org.springframework.security.core.authority.SimpleGrantedAuthority;
			import org.springframework.security.core.userdetails.UserDetails;

			import java.util.Collection;
			import java.util.List;
			import java.util.stream.Collectors;

			/**
			* @Author : zhoush
			* @Date: 2024/4/11 15:46
			* @Description:
			*/
			public class LoginUser implements UserDetails {


			private SysUser user;

			/**
			* 存储权限信息
			*/
			@JSONField(serialize = false)
			private List<String> permissions;

			/**
			* 存储SpringSecurity调用getAuthorities()方法获取的权限信息的集合
			*/
			@JSONField(serialize = false)
			private List<GrantedAuthority> authorities;


			public LoginUser() {
			}

			public LoginUser(SysUser user, List<String> permissions) {
			this.user = user;
			this.permissions = permissions;
			}

			public SysUser getUser() {
			return user;
			}

			public void setUser(SysUser user) {
			this.user = user;
			}

			@Override
			public Collection<? extends GrantedAuthority> getAuthorities() {

			// 优化为只需要第一次获取的时候进行遍历，后面再用就会从authorities这个成员变量中获取了，不会再进行Stream循环遍历了
			if (authorities != null) {
			return authorities;
			}
			//把permissions中字符串类型的权限信息转换成GrantedAuthority对象存入authorities中
			authorities = permissions.stream().
			map(SimpleGrantedAuthority::new)
			.collect(Collectors.toList());
			return authorities;
			}

			@Override
			public String getPassword() {
			return user.getPassword();
			}

			@Override
			public String getUsername() {
			return user.getUserName();
			}

			@Override
			public boolean isAccountNonExpired() {
			return true;
			}

			@Override
			public boolean isAccountNonLocked() {
			return true;
			}

			@Override
			public boolean isCredentialsNonExpired() {
			return true;
			}

			@Override
			public boolean isEnabled() {
			return true;
			}
			}