spring+springMVC+jdbc+Shiro 整合

POM:

<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/maven-v4_0_0.xsd">
    <parent>
        <artifactId>imooc_shiro</artifactId>
        <groupId>com.pk</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>shiro_web</artifactId>
    <packaging>war</packaging>
    <name>shiro_web Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.2.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.2.4.RELEASE</version>
        </dependency>
        <!--shiro-->
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-core</artifactId>
            <version>1.4.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring</artifactId>
            <version>1.4.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-web</artifactId>
            <version>1.4.0</version>
        </dependency>
        <!--mysql-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.32</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.9</version>
        </dependency>
    <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.2.4.RELEASE</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>shiro_web</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.1</version>
                <configuration>
                    <uriEncoding>UTF-8</uriEncoding>
                    <port>8090</port>
                    <path>/</path>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

数据库

spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <import resource="spring-dao.xml"/>
    <context:component-scan base-package="dao"/>
    <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
        <property name="securityManager" ref="securityManager"/>
        <property name="loginUrl" value="login.html"/>
        <property name="filterChainDefinitions">
            <!--有顺序从上往下-->
            <value>
                /login.html=anon
                /subLogin=anon
                /*=authc
            </value>
        </property>
    </bean>
    <!--创建securityManager对象-->
    <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
        <property name="realm" ref="realm"/>
    </bean>
    <bean id="realm" class="dao.realm.CustomRealm" >
        <property name="credentialsMatcher" ref="credentialsMatcher"/>
    </bean>
    <bean id="credentialsMatcher" class="org.apache.shiro.authc.credential.HashedCredentialsMatcher">
        <property name="hashAlgorithmName" value="md5" />
        <property name="hashIterations" value="1"/>
    </bean>
</beans>

springmvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
    <context:component-scan base-package="com.pk.controller"/>
    <mvc:annotation-driven/>
    <!--排除静态文件-->
    <mvc:resources mapping="/*" location="/"/>
</beans>
spring-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

        <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
                <property name="url" value="jdbc:mysql://localhost:3306/test2"/>
                <property name="username" value="root"/>
                <property name="password" value="accp"/>
        </bean>

        <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
                <property name="dataSource" ref="dataSource"/>
        </bean>
</beans>

web.xml

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
    <display-name>Archetype Created Web Application</display-name>

    <filter>
        <filter-name>shiroFilter</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>shiroFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/spring.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <servlet>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
        <async-supported>true</async-supported>
    </servlet>

    <servlet-mapping>
        <servlet-name>DispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 注册spring提供的针对POST请求的中文乱码问题 -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

User:

package dao.entity;

/**
 * Created by Administrator on 2018/4/24 0024.
 */
public class User {
    private String username;
    private String password;

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    @Override
    public String toString() {
        return "User{" +
                "username='" + username + ''' +
                ", password='" + password + ''' +
                '}';
    }
}

UserDao:

package dao;

import dao.entity.User;

import java.util.List;

/**
 * Created by Administrator on 2018/4/25 0025.
 */
public interface UserDao  {
    User getUserByUserName(String userName);

    List<String> queryRolesByUserName(String userName);
}

UserDaoImpl:

package dao.impl;

import dao.UserDao;
import dao.entity.User;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import javax.annotation.Resource;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by Administrator on 2018/4/25 0025.
 */
@Component
public class UserDaoImpl implements UserDao {
    @Resource
    private JdbcTemplate jdbcTemplate;
    public User getUserByUserName(String userName) {
        String sql=" select username,password from users where username=? ";
        List<User> list=jdbcTemplate.query(sql,new String[]{userName}, new RowMapper<User>() {
            public User mapRow(ResultSet resultSet, int i) throws SQLException {
                User user=new User();
                user.setUsername(resultSet.getString("username"));
                user.setPassword(resultSet.getString("password"));
                return user;
            }
        });
        if (CollectionUtils.isEmpty(list)){
            return  null;
        }
        return list.get(0);
    }

    public List<String> queryRolesByUserName(String userName) {
        String sql="select role_name from user_roles where username=?" ;
        List<String> roles=jdbcTemplate.query(sql,new String[]{userName}, new RowMapper<String>() {
            public String mapRow(ResultSet resultSet, int i) throws SQLException {
                return resultSet.getString("role_name");
            }
        });
        return roles;
    }
}

CustomRealm: 自定义realm

package dao.realm;

import dao.UserDao;
import dao.entity.User;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.crypto.hash.Md5Hash;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.apache.shiro.util.ByteSource;

import javax.annotation.Resource;
import java.util.*;

/**
 * Created by Administrator on 2018/4/19 0019.
 */
public class CustomRealm extends AuthorizingRealm {

    @Resource
    private UserDao userDao;

    //授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        String userName=(String)principalCollection.getPrimaryPrincipal();
        //模拟重数据库或者缓存中获取数据
        Set<String> roles=getRolesByUserName(userName);
        Set<String> permissions=getPermissionsByUserName(userName);
        SimpleAuthorizationInfo simpleAuthorizationInfo=new SimpleAuthorizationInfo();
        simpleAuthorizationInfo.addStringPermissions(permissions);
        simpleAuthorizationInfo.setRoles(roles);
        return simpleAuthorizationInfo;
    }
    //认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        //重主题传过来的认证信息中,获得用户名
        String userName=(String)authenticationToken.getPrincipal();
        //t通过用户名到数据库中获取凭证
        String password=getPasswordByUserName(userName);
        if(password==null){
            return null;
        }
        SimpleAuthenticationInfo authenticationInfo=new SimpleAuthenticationInfo(userName,password,"customRealm");
        //这是md5加密的,Mark加严(这里应该用随机数)
        authenticationInfo.setCredentialsSalt(ByteSource.Util.bytes(userName));
        return authenticationInfo;
    }

    private String getPasswordByUserName(String userName){
        User user=userDao.getUserByUserName(userName);
        return user.getPassword();
    }

    private Set<String> getRolesByUserName(String userName){
        //实际从数据库里面查询角色
        List<String> list=userDao.queryRolesByUserName(userName);
        System.out.println(list);
        Set<String> sets=new HashSet<String>(list);
        return sets;
    }

    private Set<String>  getPermissionsByUserName(String userName){
        //模拟数据库
        Set<String> sets=new HashSet<String>();
        sets.add("user:delete");
        sets.add("user:add");
        return  sets;


    }
    //看看md5加密123456是多少
    public static void main(String[] args) {
        System.out.println("111");
        Md5Hash md5Hash=new Md5Hash("123456","Mark");
        System.out.println(md5Hash);
    }

UserController:

package com.pk.controller;

import dao.entity.User;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * Created by Administrator on 2018/4/24 0024.
 */
@Controller
public class UserController {
    @RequestMapping(value ="/subLogin",method = RequestMethod.POST,
    produces = "application/json;charset=utf-8")
    @ResponseBody
    public String subLogin(User user){
        Subject subject= SecurityUtils.getSubject();
        UsernamePasswordToken token=new UsernamePasswordToken(user.getUsername(),
                user.getPassword());
        try {
            subject.login(token);
        }catch (AuthenticationException e){
            return e.getMessage();
        }
        if (subject.hasRole("admin")){
            return "有admin权限";
        }

        return "登录成功";
    }
}

login.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h2>登录</h2>
<form action="subLogin" method="post">
    用户名<input type="text" name="username"/><br>
    密码<input type="text" name="password"/><br>
        <input type="submit" value="提交"/>
</form>
</body>
</html>

小白,简单的整合,希望能帮到正在学习的你...........如果不懂可以到慕课网看视频..本博客也是从那边自己跟着敲出来的

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