init

5 years ago · a63143aeb0
commit a63143aeb0
16 changed files with 933 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,28 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Java template
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+/.idea/
+*.iml
--- a/hibernate/pom.xml
+++ b/hibernate/pom.xml
@ -0,0 +1,96 @@
+<?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>org.pqh</groupId>
+    <artifactId>hibernate</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+
+        <hibernate-core.version>5.4.2.Final</hibernate-core.version>
+        <spring.version>5.1.6.RELEASE</spring.version>
+        <log4j.version>2.11.2</log4j.version>
+        <druid.version>1.1.15</druid.version>
+        <commons-lang3.version>3.8.1</commons-lang3.version>
+        <commons-io.version>2.6</commons-io.version>
+        <mysql.version>8.0.15</mysql.version>
+        <fastjson.version>1.2.56</fastjson.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>${hibernate-core.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${mysql.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-orm</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-web</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>${druid.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                    <encoding>${project.build.sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
--- a/hibernate/src/main/java/annotation/TableInfo.java
+++ b/hibernate/src/main/java/annotation/TableInfo.java
@ -0,0 +1,16 @@
+package annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE})
+/**
+ * 表备注信息
+ */
+public @interface TableInfo {
+    //表别名
+    String comment();
+}
--- a/hibernate/src/main/java/config/BaseService.java
+++ b/hibernate/src/main/java/config/BaseService.java
@ -0,0 +1,57 @@
+package config;
+
+import model.AbstractModel;
+import org.hibernate.criterion.DetachedCriteria;
+import org.hibernate.criterion.Projections;
+import org.springframework.dao.DataAccessException;
+import org.springframework.orm.hibernate5.HibernateTemplate;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * Created by reborn on 2017/7/28.
+ */
+
+public abstract class BaseService {
+
+    public abstract HibernateTemplate getHibernateTemplate();
+
+    public <T extends AbstractModel> Serializable save(T command) throws DataAccessException {
+        return getHibernateTemplate().save(command);
+    }
+
+    public <T extends AbstractModel> void update(T command) throws DataAccessException{
+        getHibernateTemplate().update(command);
+    }
+
+    public final <T extends AbstractModel> T get(T command) throws DataAccessException {
+        return (T) getHibernateTemplate().get((Class<T>)(command.getClass()), command.primaryKey());
+    }
+
+    public <T extends AbstractModel> void delete(T command) throws DataAccessException{
+        T model=get(command);
+        if(model!=null){
+            getHibernateTemplate().delete(model);
+        }
+    }
+
+    public final List find(DetachedCriteria criteria, int firstResult,int maxResults) throws DataAccessException{
+        return getHibernateTemplate().findByCriteria(criteria,firstResult,maxResults);
+    }
+
+    public final List find(DetachedCriteria criteria) throws DataAccessException{
+        return getHibernateTemplate().findByCriteria(criteria);
+    }
+
+    /**
+     * 根据查询条件统计记录数
+     * @param criteria
+     * @return
+     */
+    public Long rowCount(DetachedCriteria criteria){
+        return getHibernateTemplate().executeWithNativeSession(session -> (Long) criteria.setProjection(Projections.rowCount()).getExecutableCriteria(session).uniqueResult());
+    }
+
+
+}
--- a/hibernate/src/main/java/config/DBType.java
+++ b/hibernate/src/main/java/config/DBType.java
@ -0,0 +1,35 @@
+package config;
+
+import org.hibernate.dialect.Dialect;
+import org.hibernate.dialect.MySQL57Dialect;
+
+import java.sql.Driver;
+
+public enum DBType{
+    mysql57(com.mysql.cj.jdbc.Driver.class, MySQL57Dialect.class);
+
+    private Class<? extends Driver> driver;
+    private Class<? extends Dialect> dialect;
+
+    DBType(Class<? extends Driver> driver, Class<? extends Dialect> dialect) {
+        this.driver = driver;
+        this.dialect = dialect;
+    }
+
+    public Class<? extends Driver> getDriver() {
+        return driver;
+    }
+
+    public Class<? extends Dialect> getDialect() {
+        return dialect;
+    }
+
+    public String getUrl(String host,int port,String name){
+        switch (DBType.valueOf(this.name())){
+            case mysql57: return "jdbc:mysql://" + host + ":" + port + "/" + name + "?serverTimezone=GMT%2b8";
+            default:throw new RuntimeException("NotFound type:"+this.name());
+        }
+    }
+
+
+}
--- a/hibernate/src/main/java/config/HibernateConfig.java
+++ b/hibernate/src/main/java/config/HibernateConfig.java
@ -0,0 +1,170 @@
+package config;
+
+import annotation.TableInfo;
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.TypeReference;
+import model.DataSourceModel;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.core.type.filter.AnnotationTypeFilter;
+import org.springframework.orm.hibernate5.HibernateTemplate;
+import org.springframework.orm.hibernate5.HibernateTransactionManager;
+import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
+import org.springframework.util.ResourceUtils;
+
+import javax.sql.DataSource;
+import java.io.IOException;
+import java.lang.annotation.Annotation;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Created by reborn on 2017/7/28.
+ */
+public class HibernateConfig extends InitConfig {
+
+    private static final String CONFIG_NAME = "classpath:database.json";
+
+    @Autowired
+    private DefaultListableBeanFactory beanFactory;
+
+    private static final Map<Class, TableInfo> tableNotes = new HashMap<>();
+
+    public static TableInfo getTableNote(Class c) {
+        return tableNotes.get(c);
+    }
+
+    private static final Map<Class<? extends Annotation>, SessionFactory> map = new HashMap<>();
+
+    public static SessionFactory get(Class<? extends Annotation> c) {
+        return map.get(c);
+    }
+
+    /**
+     * 注册数据源
+     *
+     * @param dbName   数据库名
+     * @param dbPort   端口
+     * @param username 用户名
+     * @param password 密码
+     * @param type     数据库类型
+     * @return
+     */
+    private DruidDataSource dataSource(String dbHost, String dbName, int dbPort, String username, String password, DBType type) {
+        DruidDataSource dataSource = new DruidDataSource();
+        dataSource.setUsername(username);
+        dataSource.setPassword(password);
+        String url = "";
+        switch (type) {
+            case mysql57:
+                url = type.getUrl(dbHost, dbPort, dbName);
+                dataSource.setUrl(url);
+                dataSource.setDriverClassName(type.getDriver().getName());
+                break;
+        }
+        LOG.info("数据源初始化\nurl=" + url + "\nusername=" + username + "\npassword=" + password);
+        return dataSource;
+    }
+
+    private DruidDataSource dataSource(DataSourceModel dataSourceModel) {
+        return dataSource(dataSourceModel.getHost(), dataSourceModel.getDbName(), dataSourceModel.getPort(), dataSourceModel.getUsername(), dataSourceModel.getPassword(), dataSourceModel.getDbType());
+    }
+
+    /**
+     * 初始化数据源
+     *
+     * @param dataSourceModel
+     * @return
+     */
+    private HibernateTemplate initDB(DataSourceModel dataSourceModel) throws IOException {
+        DruidDataSource dataSource = dataSource(dataSourceModel);
+        SessionFactory sessionFactory = initSessionFactory(dataSource, (LocalSessionFactoryBean bean) -> {
+            //按照注解标记从指定包扫描实体类，并且注册到session工厂
+            bean.setPackagesToScan(dataSourceModel.getPackagesToScan());
+            bean.setEntityTypeFilters(new AnnotationTypeFilter(dataSourceModel.getAnnotation()));
+        }, dataSourceModel.getDbName(), dataSourceModel.getDbType().getDialect().getName());
+
+        beanFactory.registerSingleton(dataSourceModel.getSessionFactoryBean(), sessionFactory);
+        if (sessionFactory != null) {
+            HibernateTransactionManager hibernateTransactionManager = new HibernateTransactionManager();
+            hibernateTransactionManager.setSessionFactory(sessionFactory);
+            hibernateTransactionManager.setDataSource(dataSource);
+            hibernateTransactionManager.afterPropertiesSet();
+            //添加事务管理器
+            beanFactory.registerSingleton(dataSourceModel.getTransactionManagerBean(), hibernateTransactionManager);
+            return new HibernateTemplate(sessionFactory);
+        } else {
+            throw new RuntimeException("sessionFactory is Null");
+        }
+    }
+
+
+    /**
+     * 初始化数据源，session工厂
+     */
+    private void init() {
+
+        //从根数据源读取其他数据源信息，并初始化
+        List<DataSourceModel> dataSourceModels;
+        try {
+            dataSourceModels = JSON.parseObject(FileUtils.readFileToString(ResourceUtils.getFile(CONFIG_NAME), "UTF-8"), new TypeReference<List<DataSourceModel>>() {
+            });
+        } catch (IOException e) {
+            LOG.error("解析数据库配置失败");
+            throw new RuntimeException(e);
+        }
+
+        if (dataSourceModels.size() == 0) {
+            throw new RuntimeException("没有配置数据源，初始化失败");
+        }
+        dataSourceModels.forEach(dataSourceModel -> {
+            if (map.containsKey(dataSourceModel.getAnnotation())) {
+                throw new RuntimeException("数据库配置无效，注解" + dataSourceModel.getAnnotation() + "已重复");
+            }
+            HibernateTemplate hibernateTemplate;
+            try {
+                hibernateTemplate = initDB(dataSourceModel);
+                beanFactory.registerSingleton(dataSourceModel.getHibernateBean(), hibernateTemplate);
+                map.put(dataSourceModel.getAnnotation(), hibernateTemplate.getSessionFactory());
+            } catch (IOException e) {
+                LOG.error("无法获取HibernateTemplate");
+                throw new RuntimeException(e);
+            }
+        });
+    }
+
+    /**
+     * 初始化session工厂
+     *
+     * @param dataSource
+     * @param config
+     * @return
+     */
+    private SessionFactory initSessionFactory(DataSource dataSource, SessionFactoryConfig config, String defaultSchema, String dialect) throws IOException {
+        LocalSessionFactoryBean bean = new LocalSessionFactoryBean();
+        Properties properties = new Properties();
+        properties.setProperty("hibernate.dialect", dialect);
+        properties.setProperty("hibernate.format_sql", "true");
+        if (StringUtils.isNotEmpty(defaultSchema)) {
+            properties.setProperty("hibernate.default_schema", defaultSchema);
+        }
+        bean.setHibernateProperties(properties);
+        bean.setDataSource(dataSource);
+        config.call(bean);
+        bean.afterPropertiesSet();
+        return bean.getObject();
+    }
+
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        super.afterPropertiesSet();
+        init();
+    }
+}
--- a/hibernate/src/main/java/config/InitConfig.java
+++ b/hibernate/src/main/java/config/InitConfig.java
@ -0,0 +1,16 @@
+package config;
+
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.util.ClassUtils;
+
+public class InitConfig implements InitializingBean {
+    public static final Logger LOG = LogManager.getLogger();
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        LOG.info("初始化"+ ClassUtils.getUserClass(this.getClass())+"配置");
+    }
+}
--- a/hibernate/src/main/java/config/ParseDataSource.java
+++ b/hibernate/src/main/java/config/ParseDataSource.java
@ -0,0 +1,9 @@
+package config;
+
+import model.DataSourceModel;
+
+import java.util.List;
+
+public interface ParseDataSource {
+    List<DataSourceModel> parse();
+}
--- a/hibernate/src/main/java/config/SessionFactoryConfig.java
+++ b/hibernate/src/main/java/config/SessionFactoryConfig.java
@ -0,0 +1,10 @@
+package config;
+
+import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
+
+/**
+ * 每个工厂有个性化配置单独封装一个回调函数
+ */
+public interface SessionFactoryConfig {
+    void call(LocalSessionFactoryBean bean);
+}
--- a/hibernate/src/main/java/model/AbstractModel.java
+++ b/hibernate/src/main/java/model/AbstractModel.java
@ -0,0 +1,18 @@
+package model;
+
+import com.alibaba.fastjson.JSON;
+
+import java.io.Serializable;
+
+/**
+ * Created by reborn on 2017/8/3.
+ */
+
+public abstract class AbstractModel{
+
+    public abstract Serializable primaryKey();
+
+    public String toJSON(){
+        return JSON.toJSONString(this);
+    }
+}
--- a/hibernate/src/main/java/model/DataSourceModel.java
+++ b/hibernate/src/main/java/model/DataSourceModel.java
@ -0,0 +1,129 @@
+package model;
+
+import com.alibaba.fastjson.annotation.JSONField;
+import config.DBType;
+
+import java.lang.annotation.Annotation;
+
+public class DataSourceModel {
+    private String host;
+    private int port;
+    private String username;
+    private String password;
+    private String dbName;
+    private DBType dbType;
+    private String dbDesc;
+    private Class<? extends Annotation> annotation;
+    private String sessionFactoryBean;
+    private String hibernateBean;
+    private String transactionManagerBean;
+    private String packagesToScan[];
+
+    @JSONField
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    @JSONField
+    public int getPort() {
+        return port;
+    }
+
+    public void setPort(int port) {
+        this.port = port;
+    }
+
+    @JSONField
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    @JSONField
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    @JSONField
+    public String getDbName() {
+        return dbName;
+    }
+
+    public void setDbName(String dbName) {
+        this.dbName = dbName;
+    }
+
+    @JSONField
+    public DBType getDbType() {
+        return dbType;
+    }
+
+    public void setDbType(DBType dbType) {
+        this.dbType = dbType;
+    }
+
+    @JSONField
+    public String getDbDesc() {
+        return dbDesc;
+    }
+
+    public void setDbDesc(String dbDesc) {
+        this.dbDesc = dbDesc;
+    }
+
+    @JSONField
+    public Class<? extends Annotation> getAnnotation() {
+        return annotation;
+    }
+
+    public void setAnnotation(Class<? extends Annotation> annotation) {
+        this.annotation = annotation;
+    }
+
+    @JSONField
+    public String getSessionFactoryBean() {
+        return sessionFactoryBean;
+    }
+
+    public void setSessionFactoryBean(String sessionFactoryBean) {
+        this.sessionFactoryBean = sessionFactoryBean;
+    }
+
+    @JSONField
+    public String getHibernateBean() {
+        return hibernateBean;
+    }
+
+    public void setHibernateBean(String hibernateBean) {
+        this.hibernateBean = hibernateBean;
+    }
+
+    @JSONField
+    public String getTransactionManagerBean() {
+        return transactionManagerBean;
+    }
+
+    public void setTransactionManagerBean(String transactionManagerBean) {
+        this.transactionManagerBean = transactionManagerBean;
+    }
+
+    @JSONField
+    public String[] getPackagesToScan() {
+        return packagesToScan;
+    }
+
+    public void setPackagesToScan(String... packagesToScan) {
+        this.packagesToScan = packagesToScan;
+    }
+}
--- a/mybatis/pom.xml
+++ b/mybatis/pom.xml
@ -0,0 +1,95 @@
+<?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>org.pqh</groupId>
+    <artifactId>mybatis</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <mysql.version>8.0.15</mysql.version>
+        <mybatis-spring.version>2.0.1</mybatis-spring.version>
+        <fastjson.version>1.2.56</fastjson.version>
+        <log4j.version>2.11.2</log4j.version>
+        <druid.version>1.1.15</druid.version>
+        <spring.version>5.1.6.RELEASE</spring.version>
+        <commons-io.version>2.6</commons-io.version>
+        <mybatis.version>3.5.1</mybatis.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-orm</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${mysql.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis</artifactId>
+            <version>${mybatis.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis-spring</artifactId>
+            <version>${mybatis-spring.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-web</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>${druid.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                    <encoding>${project.build.sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
--- a/mybatis/src/main/java/config/DBType.java
+++ b/mybatis/src/main/java/config/DBType.java
@ -0,0 +1,24 @@
+package config;
+
+import java.sql.Driver;
+
+public enum DBType {
+    mysql57(com.mysql.cj.jdbc.Driver.class);
+
+    private Class<? extends Driver> driver;
+
+    DBType(Class<? extends Driver> driver) {
+        this.driver = driver;
+    }
+
+    public Class<? extends Driver> getDriver() {
+        return driver;
+    }
+
+    public String getUrl(String host,int port,String name){
+        switch (DBType.valueOf(this.name())){
+            case mysql57: return "jdbc:mysql://" + host + ":" + port + "/" + name + "?serverTimezone=GMT%2b8";
+            default:throw new RuntimeException("NotFound type:"+this.name());
+        }
+    }
+}
--- a/mybatis/src/main/java/config/InitConfig.java
+++ b/mybatis/src/main/java/config/InitConfig.java
@ -0,0 +1,16 @@
+package config;
+
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.util.ClassUtils;
+
+public class InitConfig implements InitializingBean {
+    public static final Logger LOG = LogManager.getLogger();
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        LOG.info("初始化"+ ClassUtils.getUserClass(this.getClass())+"配置");
+    }
+}
--- a/mybatis/src/main/java/config/MyBatisConfig.java
+++ b/mybatis/src/main/java/config/MyBatisConfig.java
@ -0,0 +1,107 @@
+package config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.TypeReference;
+import model.DataSourceModel;
+import org.apache.commons.io.FileUtils;
+import org.apache.ibatis.session.Configuration;
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
+import org.springframework.util.ResourceUtils;
+
+import javax.sql.DataSource;
+import java.io.IOException;
+import java.util.List;
+
+public class MyBatisConfig extends InitConfig {
+    private static final String CONFIG_NAME = "classpath:database.json";
+
+    @Autowired
+    private DefaultListableBeanFactory beanFactory;
+
+    /**
+     * 注册数据源
+     *
+     * @param dbName   数据库名
+     * @param dbPort   端口
+     * @param username 用户名
+     * @param password 密码
+     * @param type     数据库类型
+     * @return
+     */
+    private DruidDataSource dataSource(String dbHost, String dbName, int dbPort, String username, String password, DBType type) {
+        DruidDataSource dataSource = new DruidDataSource();
+        dataSource.setUsername(username);
+        dataSource.setPassword(password);
+        String url = "";
+        switch (type) {
+            case mysql57:
+                url = type.getUrl(dbHost, dbPort, dbName);
+                dataSource.setUrl(url);
+                dataSource.setDriverClassName(type.getDriver().getName());
+                break;
+        }
+        LOG.info("数据源初始化\nurl=" + url + "\nusername=" + username + "\npassword=" + password);
+        return dataSource;
+    }
+
+    private DruidDataSource dataSource(DataSourceModel dataSourceModel) {
+        return dataSource(dataSourceModel.getHost(), dataSourceModel.getDbName(), dataSourceModel.getPort(), dataSourceModel.getUsername(), dataSourceModel.getPassword(), dataSourceModel.getDbType());
+    }
+
+    private void init() {
+
+        //从根数据源读取其他数据源信息，并初始化
+        List<DataSourceModel> dataSourceModels;
+        try {
+            dataSourceModels = JSON.parseObject(FileUtils.readFileToString(ResourceUtils.getFile(CONFIG_NAME), "UTF-8"), new TypeReference<List<DataSourceModel>>() {
+            });
+        } catch (IOException e) {
+            LOG.error("解析数据库配置失败");
+            throw new RuntimeException(e);
+        }
+
+        dataSourceModels.forEach(dataSourceModel -> {
+            SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();
+            DataSource dataSource=dataSource(dataSourceModel);
+            factoryBean.setDataSource(dataSource);
+
+            DataSourceTransactionManager transactionManager=new DataSourceTransactionManager();
+            transactionManager.setDataSource(dataSource);
+            beanFactory.registerSingleton(dataSourceModel.getTransactionManagerBean(), transactionManager);
+
+            Configuration configuration = new Configuration();
+            PathMatchingResourcePatternResolver resolver=new PathMatchingResourcePatternResolver();
+            try {
+                String path="classpath*:/"+dataSourceModel.getPackageName().replaceAll("\\.","/")+"/*.xml";
+                LOG.info("Mapper匹配规则"+path);
+                factoryBean.setMapperLocations(resolver.getResources(path));
+            } catch (IOException e) {
+                throw new RuntimeException("mapper匹配规则解析出错");
+            }
+            factoryBean.setConfiguration(configuration);
+            try {
+                if(factoryBean.getObject()!=null){
+                    beanFactory.registerSingleton(dataSourceModel.getFactoryBean(), factoryBean.getObject());
+                }else{
+                    LOG.error("初始化数据库配置" + JSON.toJSONString(dataSourceModel) + "失败");
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+                throw new RuntimeException("初始化数据库配置" + JSON.toJSONString(dataSourceModel) + "失败");
+            }
+        });
+
+
+    }
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        super.afterPropertiesSet();
+        init();
+    }
+}
--- a/mybatis/src/main/java/model/DataSourceModel.java
+++ b/mybatis/src/main/java/model/DataSourceModel.java
@ -0,0 +1,107 @@
+package model;
+
+import com.alibaba.fastjson.annotation.JSONField;
+import config.DBType;
+
+public class DataSourceModel {
+    private String host;
+    private int port;
+    private String username;
+    private String password;
+    private String dbName;
+    private String dbDesc;
+    private DBType dbType;
+    private String factoryBean;
+    private String packageName;
+    private String transactionManagerBean;
+
+    @JSONField
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    @JSONField
+    public int getPort() {
+        return port;
+    }
+
+    public void setPort(int port) {
+        this.port = port;
+    }
+
+    @JSONField
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    @JSONField
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    @JSONField
+    public String getDbName() {
+        return dbName;
+    }
+
+    public void setDbName(String dbName) {
+        this.dbName = dbName;
+    }
+
+    @JSONField
+    public String getDbDesc() {
+        return dbDesc;
+    }
+
+    public void setDbDesc(String dbDesc) {
+        this.dbDesc = dbDesc;
+    }
+
+    @JSONField
+    public DBType getDbType() {
+        return dbType;
+    }
+
+    public void setDbType(DBType dbType) {
+        this.dbType = dbType;
+    }
+
+    @JSONField
+    public String getFactoryBean() {
+        return factoryBean;
+    }
+
+    public void setFactoryBean(String factoryBean) {
+        this.factoryBean = factoryBean;
+    }
+
+    @JSONField
+    public String getPackageName() {
+        return packageName;
+    }
+
+    public void setPackageName(String packageName) {
+        this.packageName = packageName;
+    }
+
+    @JSONField
+    public String getTransactionManagerBean() {
+        return transactionManagerBean;
+    }
+
+    public void setTransactionManagerBean(String transactionManagerBean) {
+        this.transactionManagerBean = transactionManagerBean;
+    }
+}