jfinal中stateless模式嵌入shiro验证的实现方式

@Clear
public void Login() {
    String name = getPara("name");
    String password = getPara("password");
    if ("admin".equals(name)) { // TODO 判断密码与用户名是否正确
        Cache cache = Redis.use();
        String token = StrKit.getRandomUUID();
        cache.set("TOKEN:" + token, name);
        renderText(token);
    } else {
        renderText("用户名与密码错误");
    }
}

package com.holdoa.core.interceptor;
import com.holdoa.core.controller.BaseController;
import com.holdoa.core.filter.JWTToken;
import com.jfinal.aop.Interceptor;
import com.jfinal.aop.Invocation;
import com.jfinal.core.Controller;
import com.jfinal.kit.LogKit;
import com.jfinal.kit.StrKit;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.aop.MethodInvocation;
import org.apache.shiro.authz.AuthorizationException;
import org.apache.shiro.authz.aop.AnnotationsAuthorizingMethodInterceptor;
import org.apache.shiro.subject.Subject;
import java.lang.reflect.Method;
public class MyShiroInterceptor extends AnnotationsAuthorizingMethodInterceptor implements Interceptor {
	 
    public MyShiroInterceptor() {
        getMethodInterceptors();
    }
 
    public void intercept(final Invocation inv) {
        try {
            String token = inv.getController().getHeader("token");
            if (StrKit.isBlank(token)) {
                BaseController b = (BaseController) inv.getController();
                b.renderAppError("缺少token");
                return;
            } else {
                Subject s = SecurityUtils.getSubject();
                JWTToken jwtToken = new JWTToken(token);
                s.login(jwtToken);
                inv.invoke();
            }
        } catch (Throwable e) {
            if (e instanceof AuthorizationException) {
                doProcessuUnauthorization(inv.getController());
            }
            LogKit.warn("权限错误:", e);
            try {
                throw e;
            } catch (Throwable throwable) {
                throwable.printStackTrace();
            }
        }
    }
 
    /**
     * 未授权处理
     *
     * @param controller controller
     */
    private void doProcessuUnauthorization(Controller controller) {
        controller.redirect("/login/noLogin");
    }
}

String token = inv.getController().getHeader("token");
if (StrKit.isBlank(token)) {
    BaseController b = (BaseController) inv.getController();
    b.renderAppError("缺少token");
    return;
} else {
    Subject s = SecurityUtils.getSubject();
    JWTToken jwtToken = new JWTToken(token);
    s.login(jwtToken);
    inv.invoke();
}

/**
	 * 自定义认证
	 */
	@Override
	protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken auth) throws AuthenticationException {
		String token = (String) auth.getCredentials();
		 // 解密获得username，用于和数据库进行对比
        String userName = JwtUtils.getUsername(token);
        if (userName == null || userName == "") {
            throw new AuthenticationException("token 校验失败");
        }
		return new SimpleAuthenticationInfo(token, token, getName());
	}

/**
     * @return token中包含的用户名
     */
    public static String getUsername(String token) {
		Cache cache = Redis.use();
		String username = (String)cache.get(RedisKeyPreFix.NEW_OA_MANAGE_TOKEN_PREFIX + token);
		return username;
    }