shiro的简单入门使用

这里只是测试登录认证，没有web模块，没有连接数据库，用户密码放在shiro.ini配置中，密码没有加密处理，简单入门。

基于maven

先看目录结构

测试结果

pom.xml

 <?xml version="1.0" encoding="UTF-8"?>

 <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.xiaostudy</groupId>
   <artifactId>shiro_test2</artifactId>
   <version>1.0-SNAPSHOT</version>
   <packaging>war</packaging>

   <name>shiro_test2 Maven Webapp</name>
   <!-- FIXME change it to the project's website -->
   <url>http://www.example.com</url>

   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>1.7</maven.compiler.source>
     <maven.compiler.target>1.7</maven.compiler.target>
     <shiro.version>1.3.0</shiro.version>
     <quartz.version>2.2.3</quartz.version>
     <cas.client.version>3.1.9</cas.client.version>
     <junit.version>4.12</junit.version>
     <slf4j.version>1.7.7</slf4j.version>
     <log4j.version>1.2.17</log4j.version>
   </properties>

   <dependencies>
     <!-- shiro包开始 -->
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-ehcache</artifactId>
       <version>${shiro.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-core</artifactId>
       <version>${shiro.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-web</artifactId>
       <version>${shiro.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-spring</artifactId>
       <version>${shiro.version}</version>
     </dependency>
     <dependency>
       <groupId>org.quartz-scheduler</groupId>
       <artifactId>quartz</artifactId>
       <version>${quartz.version}</version>
       <exclusions>
         <exclusion>
           <artifactId>c3p0</artifactId>
           <groupId>c3p0</groupId>
         </exclusion>
       </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-cas</artifactId>
       <version>${shiro.version}</version>
     </dependency>
     <dependency>
       <groupId>org.jasig.cas</groupId>
       <artifactId>cas-client-core</artifactId>
       <version>${cas.client.version}</version>
     </dependency>
     <!-- shiro 包结束 -->

     <!--测试-->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>${junit.version}</version>
       <scope>test</scope>
     </dependency>

     <!-- 日志文件管理包 -->
     <dependency>
       <groupId>log4j</groupId>
       <artifactId>log4j</artifactId>
       <version>${log4j.version}</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
       <version>${slf4j.version}</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-log4j12</artifactId>
       <version>${slf4j.version}</version>
     </dependency>

     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>4.11</version>
       <scope>test</scope>
     </dependency>

     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>
       <version>RELEASE</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>

   <build>
     <finalName>shiro_test2</finalName>
     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
       <plugins>
         <plugin>
           <artifactId>maven-clean-plugin</artifactId>
           <version>3.1.0</version>
         </plugin>
         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
         <plugin>
           <artifactId>maven-resources-plugin</artifactId>
           <version>3.0.2</version>
         </plugin>
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.8.0</version>
         </plugin>
         <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
           <version>2.22.1</version>
         </plugin>
         <plugin>
           <artifactId>maven-war-plugin</artifactId>
           <version>3.2.2</version>
         </plugin>
         <plugin>
           <artifactId>maven-install-plugin</artifactId>
           <version>2.5.2</version>
         </plugin>
         <plugin>
           <artifactId>maven-deploy-plugin</artifactId>
           <version>2.8.2</version>
         </plugin>
       </plugins>
     </pluginManagement>
   </build>
 </project>

shiro.ini

 #对用户信息进行配置
 [users]
 #用户账号和密码
 zhangsan=123456
 lisi=654321

log4j.properties

 log4j.rootLogger=debug, stdout

 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m %n

测试代码

 package com.xiaostudy.test;

 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.DefaultSecurityManager;
 import org.apache.shiro.realm.text.IniRealm;
 import org.apache.shiro.subject.Subject;
 import org.apache.shiro.util.Factory;
 import org.junit.jupiter.api.Test;

 /**
  * Created with IntelliJ IDEA.
  * @author xiaostudy
  * Date: 2019/4/29
  * Time: 10:20
  * Description: No Description
  */
 public class Test1 {

     // 用户登录和退出
     @Test
     public void testLoginAndLogout() {

         DefaultSecurityManager defaultSecurityManager = new DefaultSecurityManager();
         IniRealm iniRealm = new IniRealm("classpath:shiro.ini");
         defaultSecurityManager.setRealm(iniRealm);
         SecurityUtils.setSecurityManager(defaultSecurityManager);

         // 从SecurityUtils中创建一个subject  (org.apache.shiro.subject.Subject) 即主体
         Subject subject = SecurityUtils.getSubject();

         // 在认证提交前准备token(令牌)   这里的账号和密码 将来是由用户输入进去的
         UsernamePasswordToken token = new UsernamePasswordToken("zhangsan", "123456");

         //执行认证提交
         try {
             subject.login(token);
         } catch (AuthenticationException e) {
             e.printStackTrace();
         }

         // 是否认证通过 (org.apache.shiro.authc.Authenticator) 即认证器
         boolean isAuthenticated = subject.isAuthenticated();
         System.out.println("是否认证通过："+isAuthenticated);
         if(isAuthenticated) {
             System.out.println("subject：" + subject);
             System.out.println("用户：" + subject.getPrincipal());
             System.out.println("getPrincipal().getClass(): " + subject.getPrincipal().getClass());
         }

         //退出操作
         subject.logout();

         // 是否认证通过
         isAuthenticated = subject.isAuthenticated();
         System.out.println("是否认证通过："+isAuthenticated);
     }
 }