shiro中的jdbc Realm工具类

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建表

create database shiro character set utf8;
use shiro;
create table users(
	id bigint(20) primary key auto_increment comment '主键',
	username varchar(40) comment '用户名',
	password varchar(40) comment '密码'
)

POM

<!-- shiro核心包 -->
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-core</artifactId>
    <version>1.2.4</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-log4j12</artifactId>
    <version>1.7.12</version>
</dependency>

<!-- mysql驱动包 -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.46</version>
</dependency>

<!-- 数据库连接池 -->
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>1.1.10</version>
</dependency>

<dependency>
    <groupId>commons-logging</groupId>
    <artifactId>commons-logging</artifactId>
    <version>1.2</version>
</dependency>

INI

jdbcRealm=org.apache.shiro.realm.jdbc.JdbcRealm

dataSource=com.alibaba.druid.pool.DruidDataSource
dataSource.driverClassName=com.mysql.jdbc.Driver
dataSource.url=jdbc:mysql:///shiro
dataSource.username=root
dataSource.password=root

jdbcRealm.dataSource=$dataSource
securityManager.realms=$jdbcRealm

ShiroMain

package com.yale;

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 ShiroMain {
    public static void main(String[] args) {
        //1.由ini文件初始化一个Factory<SecurityManager>
        Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
        //2.从Factory中获取一个SecurityManager实例
        SecurityManager securityManager = factory.getInstance();
        //3.使用SecurityUtils工具类设值SecurityManager实例
        SecurityUtils.setSecurityManager(securityManager);
        //4.再从SecurityUtils中获取Subject
        Subject subject = SecurityUtils.getSubject();
        //5.调用Subject的login方法验证用户
        UsernamePasswordToken token = new UsernamePasswordToken("tom","123");
        try {
            subject.login(token);
            System.out.println("验证成功！");
        } catch (AuthenticationException e) {
            e.printStackTrace();
            System.out.println("验证失败！");
        }
    }
}