shiro NO4

xiaoxiao2021-02-28  51

shiro jdbc realm

直接进入主题:

       创建一个简单的maven(web)项目:

       首先导入依赖包

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.zs.shiro</groupId> <artifactId>Shiro02</artifactId> <version>0.0.1-SNAPSHOT</version> <name>Shiro02</name> <description>Shiro02</description> <dependencies> <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> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.37</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> </dependency> </dependencies> </project>

编写基本的shiro配置工厂,在/Shiro01/src/main/resources下,文件名为 shiro.ini

[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/db_shiro dataSource.user=root dataSource.password=794825361 jdbcRealm.dataSource=$dataSource securityManager.realms=$jdbcRealm

    在mysql新建一个 数据库 db_shiro(数据库名字随便),但是用户表名必须一致users),角色与权限(表名)自查,以及字段名一致

现在进入正题:编写一个简单的列子,在/Shiro02/src/main/java下,创建/Shiro02/src/main/java/com/zs/shiro/Shiro02Test.java。

package com.zs.shiro; import java.util.Arrays; 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.subject.Subject; import org.apache.shiro.util.Factory; public class Shiro02Test { public static void main(String[] args) { // TODO Auto-generated method stub Factory<SecurityManager> factory =new IniSecurityManagerFactory("classpath:shiro.ini"); SecurityManager securityManages=factory.getInstance(); SecurityUtils.setSecurityManager(securityManages); Subject userAndRole=SecurityUtils.getSubject(); UsernamePasswordToken userToken=new UsernamePasswordToken("zs","123"); userAndRole.login(userToken); System.out.println("登录成功:"+userAndRole.getPrincipal()); /*System.out.println(userAndRole.hasRole("role1")?"有role1角色":"没有role1角色"); //获取该用户的所有角色 boolean []results=userAndRole.hasRoles(Arrays.asList("role1","role2","role3")); System.out.println(results[0]?"有role1角色":"没有role1角色"); System.out.println(results[1]?"有role2角色":"没有role2角色"); System.out.println(results[2]?"有role3角色":"没有role3角色"); //判断权限 System.out.println(userAndRole.isPermitted("user:add")?"具有该权限":"没有该权限");*/ userAndRole.logout(); } }

测试结果:

当我们打开注释时:会报错(原因就是数据库没有默认的角色表,但是自己获取了角色表(如果要使用默认的(表结构自查)))

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