这里采用第三方实现好的JdbcRealm连接数据库；首先来看一下源码；
接着前面的说；就把这个类当做我们自己写的就好了，我们需要实例化它，然后给他注入一个数据源
下面是ini文件配置
[main]
#采用第三方JdbcRealm连接数据库
jdbcRealm=org.apache.shiro.realm.jdbc.JdbcRealm
#实例化数据源
dataSource=com.alibaba.druid.pool.DruidDataSource
#设置参数
dataSource.driverClassName=com.mysql.jdbc.Driver
dataSource.url=jdbc:mysql://localhost:3306/shiro
dataSource.username=root
dataSource.password=root
#将数据源设置到realm中
jdbcRealm.dataSource=$dataSource
jdbcRealm.permissionsLookupEnabled=true
securityManager.realms=$jdbcRealm
下面是sql脚本；大家测试可以直接复制去数据库执行
/*
Navicat MySQL Data Transfer
Source Server : localhost_3306
Source Server Version : 50527
Source Host : localhost:3306
Source Database : shiro
Target Server Type : MYSQL
Target Server Version : 50527
File Encoding : 65001
Date: 2018-03-30 22:31:17
*/
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for `roles_permissions`
-- ----------------------------
DROP TABLE IF EXISTS `roles_permissions`;
CREATE TABLE `roles_permissions` (
`id` int(11) NOT NULL DEFAULT '0',
`role_name` varchar(20) DEFAULT NULL,
`permission` varchar(20) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of roles_permissions
-- ----------------------------
INSERT INTO `roles_permissions` VALUES ('1', 'system', 'update');
-- ----------------------------
-- Table structure for `users`
-- ----------------------------
DROP TABLE IF EXISTS `users`;
CREATE TABLE `users` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`username` varchar(20) DEFAULT NULL,
`password` varchar(20) DEFAULT NULL,
`password_salt` int(11) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of users
-- ----------------------------
INSERT INTO `users` VALUES ('1', 'admin', '666', null);
-- ----------------------------
-- Table structure for `user_roles`
-- ----------------------------
DROP TABLE IF EXISTS `user_roles`;
CREATE TABLE `user_roles` (
`id` int(11) NOT NULL DEFAULT '0',
`username` varchar(20) DEFAULT NULL,
`role_name` varchar(20) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of user_roles
-- ----------------------------
INSERT INTO `user_roles` VALUES ('1', 'admin', 'system');
下面是测试代码
package com;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.HostAuthenticationToken;
import org.apache.shiro.authc.UsernamePasswordToken;
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;
/**
* 测试shiro第一个案例
*
*/
public class App
{
public static void main( String[] args )
{
/*实例化工厂*/
Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
/*获取实例*/
SecurityManager securityManager = factory.getInstance();
/*设置参数*/
SecurityUtils.setSecurityManager(securityManager);
/*获取登录实例*/
Subject subject = SecurityUtils.getSubject();
/*实例化token,传入登录的用户和密码*/
UsernamePasswordToken token = new UsernamePasswordToken("admin", "666");
subject.isAuthenticated();
try {
/*进行登录*/
subject.login(token);
System.out.println("登录成功！！");
if (subject.hasRole("system")){
System.out.println("拥有该角色");
}else {
System.out.println("没有该角色");
}
if (subject.isPermitted("update")){
System.out.println("拥有该权限");
}else {
System.out.println("没有该权限");
}
/*退出登录*/
subject.logout();
}catch (Exception e){
System.out.println("登录错误！！");
}
}
}
需要依赖文件请点击此处链接http://www.cnblogs.com/qq376324789/p/8640651.html
下面的代码是将ini文件彻底转换为java代码
package com;
import com.alibaba.druid.pool.DruidDataSource;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.realm.jdbc.JdbcRealm;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;
public class TestShiro {
public static void main(String[] args) {
Factory<SecurityManager> factory = new IniSecurityManagerFactory();
SecurityManager instance = factory.getInstance();
JdbcRealm realm = new JdbcRealm();
DruidDataSource dataSource = new DruidDataSource();
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
dataSource.setUrl("mysql://localhost:3306/shiro");
dataSource.setUsername("root");
dataSource.setPassword("root");
realm.setDataSource(dataSource);
realm.setPermissionsLookupEnabled(true);
SecurityUtils.setSecurityManager(instance);
Subject subject = SecurityUtils.getSubject();
UsernamePasswordToken token = new UsernamePasswordToken("admin", "666");
subject.login(token);
}
}
