springcloud系类代码：thymeleaf-extras-springsecurity-spring-jdbc

• 如果我们需要使用到thymeleaf-extras-springsecurity扩展的话就需要添加方言SpringSecurityDialect，同时需要注意thymeleaf-extras-springsecurity4的版本需要和thymeleaf一致。

package com.programb.example;

import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.ComponentScan;

import static org.springframework.boot.SpringApplication.run;


@ComponentScan(basePackages ="com.programb.example")
@SpringBootApplication
public class Application {
    public static void main(String[] args) {
        ConfigurableApplicationContext run = run(Application.class, args);
    }

}

package com.programb.example.config;

import java.beans.PropertyVetoException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import com.mchange.v2.c3p0.ComboPooledDataSource;

@Configuration
public class DBconfig {
    @Autowired
    private Environment env;

    @Bean(name="dataSource")
    public ComboPooledDataSource dataSource() throws PropertyVetoException {
        ComboPooledDataSource dataSource = new ComboPooledDataSource();
        dataSource.setDriverClass(env.getProperty("ms.db.driverClassName"));
        dataSource.setJdbcUrl(env.getProperty("ms.db.url"));
        dataSource.setUser(env.getProperty("ms.db.username"));
        dataSource.setPassword(env.getProperty("ms.db.password"));
        dataSource.setMaxPoolSize(20);
        dataSource.setMinPoolSize(5);
        dataSource.setInitialPoolSize(10);
        dataSource.setMaxIdleTime(300);
        dataSource.setAcquireIncrement(5);
        dataSource.setIdleConnectionTestPeriod(60);
        return dataSource;
    }
}

package com.programb.example.config;

import org.mybatis.spring.SqlSessionFactoryBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

@Configuration
@ComponentScan
public class MyBatisConfig {

    @Autowired
    private DataSource dataSource;

    @Bean(name = "sqlSessionFactory")
    public SqlSessionFactoryBean sqlSessionFactory(ApplicationContext applicationContext) throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        // sessionFactory.setPlugins(new Interceptor[]{new PageInterceptor()});
        sessionFactory.setMapperLocations(applicationContext.getResources("classpath*:mapper/*.xml"));
        return sessionFactory;
    }

}

package com.programb.example.config;

import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MyBatisScannerConfig {
    @Bean
    public MapperScannerConfigurer MapperScannerConfigurer() {
        MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer();
        mapperScannerConfigurer.setBasePackage("com.programb.example.dao");
        mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactory");
        return mapperScannerConfigurer;
    }
}

package com.programb.example.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;

import javax.sql.DataSource;

@Configuration
@ComponentScan
public class TransactionConfig implements TransactionManagementConfigurer{
    @Autowired
    private DataSource dataSource;

    @Bean(name = "transactionManager")
    @Override
    public PlatformTransactionManager annotationDrivenTransactionManager() {
        return new DataSourceTransactionManager(dataSource);
    }

}

package com.programb.example.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration

public class WebMvcConfig extends WebMvcConfigurerAdapter{

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/login").setViewName("login");
    }
}

package com.programb.example.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

import com.programb.example.security.CustomUserService;
import com.programb.example.util.MD5Util;


@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Bean
    UserDetailsService customUserService(){ //注册UserDetailsService 的bean
        return new CustomUserService();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(customUserService()).passwordEncoder(new PasswordEncoder(){

            @Override
            public String encode(CharSequence rawPassword) {
                return MD5Util.encode((String)rawPassword);
            }

            @Override
            public boolean matches(CharSequence rawPassword, String encodedPassword) {
                return encodedPassword.equals(MD5Util.encode((String)rawPassword));
            }}); //user Details Service验证
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
                .anyRequest().authenticated() //任何请求,登录后可以访问
                .and()
                .formLogin()
                .loginPage("/login")
                .failureUrl("/login?error")
                .permitAll() //登录页面用户任意访问
                .and()
                .logout().permitAll(); //注销行为任意访问


    }



}

package com.programb.example.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import com.programb.example.domain.Msg;


@Controller
public class HomeController {

    @RequestMapping("/")
    public String index(Model model){
        Msg msg =  new Msg("测试标题","测试内容","额外信息，只对管理员显示");
        model.addAttribute("msg", msg);
        return "home";
    }
}

package com.programb.example.dao;

import com.programb.example.domain.SysUser;


public interface UserDao {
    public SysUser findByUserName(String username);
}

package com.programb.example.domain;



    public class Msg {
        private String title;
        private String content;
        private String etraInfo;

        public Msg(String title, String content, String etraInfo) {
            super();
            this.title = title;
            this.content = content;
            this.etraInfo = etraInfo;
        }
        public String getTitle() {
            return title;
        }
        public void setTitle(String title) {
            this.title = title;
        }
        public String getContent() {
            return content;
        }
        public void setContent(String content) {
            this.content = content;
        }
        public String getEtraInfo() {
            return etraInfo;
        }
        public void setEtraInfo(String etraInfo) {
            this.etraInfo = etraInfo;
        }

    }

package com.programb.example.domain;



public class SysRole {

    private Integer id;
    private String name;
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }



}

package com.programb.example.domain;

import java.util.List;



public class SysUser {
    private Integer id;
    private String username;
    private String password;

    private List<SysRole> roles;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    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;
    }

    public List<SysRole> getRoles() {
        return roles;
    }

    public void setRoles(List<SysRole> roles) {
        this.roles = roles;
    }

}

package com.programb.example.security;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import com.programb.example.dao.UserDao;
import com.programb.example.domain.SysRole;
import com.programb.example.domain.SysUser;

import java.util.ArrayList;
import java.util.List;

@Service
public class CustomUserService implements UserDetailsService { //自定义UserDetailsService 接口

    @Autowired
    UserDao userDao;

    @Override
    public UserDetails loadUserByUsername(String username) { //重写loadUserByUsername 方法获得 userdetails 类型用户

        SysUser user = userDao.findByUserName(username);
        if(user == null){
            throw new UsernameNotFoundException("用户名不存在");
        }
        List<SimpleGrantedAuthority> authorities = new ArrayList<>();
        //用于添加用户的权限。只要把用户权限添加到authorities 就万事大吉。
        for(SysRole role:user.getRoles())
        {
            authorities.add(new SimpleGrantedAuthority(role.getName()));
            System.out.println(role.getName());
        }
        return new org.springframework.security.core.userdetails.User(user.getUsername(),
                user.getPassword(), authorities);

    }

}

package com.programb.example.util;


import java.security.MessageDigest;
/**
 * MD5加密工具
 *
 */
public class MD5Util {

    private static final String SALT = "programb";

    public static String encode(String password) {
        password = password + SALT;
        MessageDigest md5 = null;
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        char[] charArray = password.toCharArray();
        byte[] byteArray = new byte[charArray.length];

        for (int i = 0; i < charArray.length; i++)
            byteArray[i] = (byte) charArray[i];
        byte[] md5Bytes = md5.digest(byteArray);
        StringBuffer hexValue = new StringBuffer();
        for (int i = 0; i < md5Bytes.length; i++) {
            int val = ((int) md5Bytes[i]) & 0xff;
            if (val < 16) {
                hexValue.append("0");
            }

            hexValue.append(Integer.toHexString(val));
        }
        return hexValue.toString();
    }

    public static void main(String[] args) {
        System.out.println(MD5Util.encode("abel"));


    }
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.us.example.dao.UserDao">
    <resultMap id="userMap" type="com.us.example.domain.SysUser">
        <id property="id" column="ID"/>
        <result property="username" column="username"/>
        <result property="password" column="PASSWORD"/>
        <collection property="roles" ofType="com.us.example.domain.SysRole">
            <result column="name" property="name"/>
        </collection>

    </resultMap>
    <select id="findByUserName" parameterType="String" resultMap="userMap">
		select u.*
		,r.name
		from Sys_User u
        LEFT JOIN sys_role_user sru on u.id= sru.Sys_User_id
        LEFT JOIN Sys_Role r on sru.Sys_Role_id=r.id
        where username= #{username}
	</select>
</mapper>

ms.db.driverClassName=com.mysql.jdbc.Driver
ms.db.url=jdbc:mysql://localhost:3306/cache?characterEncoding=utf-8&useSSL=false
ms.db.username=root
ms.db.password=admin
ms.db.maxActive=500


logging.level.org.springframework.security= INFO
spring.thymeleaf.cache=false

<?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>programb-security</groupId>
    <artifactId>springboot-security</artifactId>
    <version>1.0-SNAPSHOT</version>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.3.0.RELEASE</version>
    </parent>

    <properties>
        <start-class>com.us.Application</start-class>
        <maven.compiler.target>1.8</maven.compiler.target>
        <maven.compiler.source>1.8</maven.compiler.source>

        <mybatis.version>3.2.7</mybatis.version>
        <mybatis-spring.version>1.2.2</mybatis-spring.version>
    </properties>

    <dependencies>
        <!--springboot-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>

        <!-- 用于home.html文件中的 hasRole('ROLE_ADMIN') 语句-->
        <dependency>
            <groupId>org.thymeleaf.extras</groupId>
            <artifactId>thymeleaf-extras-springsecurity</artifactId>
        </dependency>
        <!--db-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>6.0.5</version>
        </dependency>
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
            <exclusions>
                <exclusion>
                    <groupId>commons-logging</groupId>
                    <artifactId>commons-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!--mybatis-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>${mybatis-spring.version}</version>
        </dependency>


    </dependencies>

</project>