ShiroUtil工具类笔记

package com.java1234.common;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;

public class ShiroUtil {

	public static Subject login(String configFile,String userName,String password){
		// 读取配置文件，初始化SecurityManager工厂
		Factory<SecurityManager> factory=new IniSecurityManagerFactory(configFile);
		// 获取securityManager实例
		SecurityManager securityManager=factory.getInstance();
		// 把securityManager实例绑定到SecurityUtils
		SecurityUtils.setSecurityManager(securityManager);
		// 得到当前执行的用户
		Subject currentUser=SecurityUtils.getSubject();
		// 创建token令牌，用户名/密码
		UsernamePasswordToken token=new UsernamePasswordToken(userName, password);
		try{
			// 身份认证
			currentUser.login(token);	
			System.out.println("身份认证成功！");
		}catch(AuthenticationException e){
			e.printStackTrace();
			System.out.println("身份认证失败！");
		}
		return currentUser;
	}
}