<dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-core</artifactId>
            <version>1.9.0</version>
        </dependency>

public class Test01 {
    public static void main(String[] args) {
        //1.獲取SecurityManager對象
        DefaultSecurityManager securityManager=new DefaultSecurityManager();
        //2.讀取ini文件
        IniRealm iniRealm=new IniRealm("classpath:shiro.ini");
        //3。設置securityManager的realm
        securityManager.setRealm(iniRealm);
        //4.設置securityManager上下文生效
        SecurityUtils.setSecurityManager(securityManager);
        //5.獲取subject的主體對象
        Subject subject=SecurityUtils.getSubject();
        try{
            //UsernamePasswordToken作用是封裝你輸入的賬號和密碼 是客戶自己輸入的 用來進行比較與realm
            UsernamePasswordToken token=new UsernamePasswordToken("admin","123456");
            //拋出異常 比對shiro中realm和自己的對比，如果一致則登錄成功，不一致則登錄失敗
            subject.login(token);
            System.out.println("登陸成功");
        }catch(Exception e){
            e.printStackTrace();
            System.out.println("登陸失敗");
        }
    }
}

public class Test01 {
    public static void main(String[] args) {
        //1.獲取SecurityManager對象
        DefaultSecurityManager securityManager=new DefaultSecurityManager();
        //2.讀取ini文件
        IniRealm iniRealm=new IniRealm("classpath:shiro.ini");
        //3。設置securityManager的realm
        securityManager.setRealm(iniRealm);
        //4.設置securityManager上下文生效
        SecurityUtils.setSecurityManager(securityManager);
        //5.獲取subject的主體對象
        Subject subject=SecurityUtils.getSubject();
        try{
            //UsernamePasswordToken作用是封裝你輸入的賬號和密碼 是客戶自己輸入的 用來進行比較與realm
            UsernamePasswordToken token=new UsernamePasswordToken("admin","123456");
            //拋出異常 比對shiro中realm和自己的對比，如果一致則登錄成功，不一致則登錄失敗
            subject.login(token);
            System.out.println("登陸成功");
        }catch(Exception e){
            e.printStackTrace();
            System.out.println("登陸失敗");
        }
        System.out.println("=========================登陸后===========================");
        boolean authenticated = subject.isAuthenticated();
        if(authenticated){
            //判斷當前登錄者是否具有user:query權(quán)限
            boolean permitted = subject.isPermitted("user:update");
            System.out.println(permitted);
            //從角色角度
            boolean role1 = subject.hasRole("role1");
            System.out.println(role1);
        }else {
            System.out.println("請先認證");
        }
    }
}