Shiro HelloWorld (二）从数据库中获得数据

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">1、创建users表，插入一条记录</span>

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">2、工程结构如下：</span>

<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>1.7.13</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.26</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>

[main]
jdbcRealm=org.apache.shiro.realm.jdbc.JdbcRealm
dataSource=com.mchange.v2.c3p0.ComboPooledDataSource
dataSource.driverClass=com.mysql.jdbc.Driver
dataSource.jdbcUrl=jdbc:mysql://localhost:3306/zqd
dataSource.user=root
dataSource.password=root
jdbcRealm.dataSource=$dataSource
securityManager.realms=$jdbcRealm

package com.trekiz.shiro;

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 JdbcRealmTest {

public static void main(String[] args) {
//获取SecurityManager工厂，此处使用Ini配置文件初始化SecurityManager
Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:jdbc_realm.ini");
//获得SecurityManager实例
SecurityManager securityManager =factory.getInstance();
//绑定给SecurityUtils
SecurityUtils.setSecurityManager(securityManager);
//得到Subject及创建用户名/密码身份验证Token（即用户身份/凭证）
Subject currentUser = SecurityUtils.getSubject();
UsernamePasswordToken token = new UsernamePasswordToken("zhang", "12456");
try{
currentUser.login(token);
System.out.println("Succeed!");
}catch(AuthenticationException e){
e.printStackTrace();
System.out.println("fail");
}
currentUser.logout();
}

}