package com.atguigu.shiro.helloworld; import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; /**
* Simple Quickstart application showing how to use Shiro's API.
*
* @since 0.9 RC2
*/
public class Quickstart { private static final transient Logger log = LoggerFactory.getLogger(Quickstart.class); public static void main(String[] args) { // The easiest way to create a Shiro SecurityManager with configured
// realms, users, roles and permissions is to use the simple INI config.
// We'll do that by using a factory that can ingest a .ini file and
// return a SecurityManager instance: // Use the shiro.ini file at the root of the classpath
// (file: and url: prefixes load from files and urls respectively):
Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
SecurityManager securityManager = factory.getInstance(); // for this simple example quickstart, make the SecurityManager
// accessible as a JVM singleton. Most applications wouldn't do this
// and instead rely on their container configuration or web.xml for
// webapps. That is outside the scope of this simple quickstart, so
// we'll just do the bare minimum so you can continue to get a feel
// for things.
SecurityUtils.setSecurityManager(securityManager); // Now that a simple Shiro environment is set up, let's see what you can do: // get the currently executing user:
// 获取当前的 Subject. 调用 SecurityUtils.getSubject();
Subject currentUser = SecurityUtils.getSubject(); // Do some stuff with a Session (no need for a web or EJB container!!!)
// 测试使用 Session
// 获取 Session: Subject#getSession()
Session session = currentUser.getSession();
session.setAttribute("someKey", "aValue");
String value = (String) session.getAttribute("someKey");
if (value.equals("aValue")) {
log.info("---> Retrieved the correct value! [" + value + "]");
} // let's login the current user so we can check against roles and permissions:
// 测试当前的用户是否已经被认证. 即是否已经登录.
// 调动 Subject 的 isAuthenticated()
if (!currentUser.isAuthenticated()) {
// 把用户名和密码封装为 UsernamePasswordToken 对象
UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
// rememberme
token.setRememberMe(true);
try {
// 执行登录.
currentUser.login(token);
}
// 若没有指定的账户, 则 shiro 将会抛出 UnknownAccountException 异常.
catch (UnknownAccountException uae) {
log.info("----> There is no user with username of " + token.getPrincipal());
return;
}
// 若账户存在, 但密码不匹配, 则 shiro 会抛出 IncorrectCredentialsException 异常。
catch (IncorrectCredentialsException ice) {
log.info("----> Password for account " + token.getPrincipal() + " was incorrect!");
return;
}
// 用户被锁定的异常 LockedAccountException
catch (LockedAccountException lae) {
log.info("The account for username " + token.getPrincipal() + " is locked. " +
"Please contact your administrator to unlock it.");
}
// ... catch more exceptions here (maybe custom ones specific to your application?
// 所有认证时异常的父类.
catch (AuthenticationException ae) {
//unexpected condition? error?
}
} //say who they are:
//print their identifying principal (in this case, a username):
log.info("----> User [" + currentUser.getPrincipal() + "] logged in successfully."); //test a role:
// 测试是否有某一个角色. 调用 Subject 的 hasRole 方法.
if (currentUser.hasRole("schwartz")) {
log.info("----> May the Schwartz be with you!");
} else {
log.info("----> Hello, mere mortal.");
return;
} //test a typed permission (not instance-level)
// 测试用户是否具备某一个行为. 调用 Subject 的 isPermitted() 方法。
if (currentUser.isPermitted("lightsaber:weild")) {
log.info("----> You may use a lightsaber ring. Use it wisely.");
} else {
log.info("Sorry, lightsaber rings are for schwartz masters only.");
} //a (very powerful) Instance Level permission:
// 测试用户是否具备某一个行为.
if (currentUser.isPermitted("user:delete:zhangsan")) {
log.info("----> You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'. " +
"Here are the keys - have fun!");
} else {
log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");
} //all done - log out!
// 执行登出. 调用 Subject 的 Logout() 方法.
System.out.println("---->" + currentUser.isAuthenticated()); currentUser.logout(); System.out.println("---->" + currentUser.isAuthenticated()); System.exit();
}
}
我个人比较懒吧，直接粘贴尚硅谷 Shrio教程的代码。。。以备用的时候刻意参考
