3.config中创建datasource类，然后创建一个config和一个dao包，

介绍

cc-project 是一个前后端分离的权限项目，系统公告管理、将上面创建的datasource注入就可以了使用就可以了

package com.cjhme.demo.impl.base.config; import java.util.Properties; import javax.annotation.Resource; import javax.sql.DataSource; import org.apache.ibatis.plugin.Interceptor; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.SqlSessionTemplate; 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 org.springframework.core.io.ClassPathResource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.ResourcePatternResolver; import com.cjhme.system.impl.base.mybatis.interceptor.PrepareInterceptor; /** * * <p> * Title: MyBatisConfig.java * </p> * Description: mybatis配置 * <p> * Modify histoty: * * @author cjh * @version 1.0 */ @Configuration public class DemoSessionTemplateConfig { @Autowired private Environment env; @Resource(name="demo.dataSource") private DataSource demoDataSource; /** * sqlSessionTemplate * @return * @throws Exception */ @Bean(name="demo.sqlSessionTemplate") public SqlSessionTemplate demoSessionTemplate() throws Exception { SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean(); sqlSessionFactoryBean.setConfigLocation(new ClassPathResource(env.getProperty("demo.mybatis.configLocation"))); PathMatchingResourcePatternResolver pathMatchingResourcePatternResolver = new PathMatchingResourcePatternResolver(); String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + env.getProperty("demo.mybatis.mapperLocations"); sqlSessionFactoryBean.setMapperLocations(pathMatchingResourcePatternResolver.getResources(packageSearchPath)); sqlSessionFactoryBean.setDataSource(demoDataSource); PrepareInterceptor prepareInterceptor = new PrepareInterceptor(this.env); Properties properties=new Properties(); properties.setProperty("dialect",env.getProperty("demo.dialect")); properties.setProperty("stmtIdRegex",env.getProperty("demo.stmtIdRegex")); prepareInterceptor.setProperties(properties); sqlSessionFactoryBean.setPlugins(new Interceptor[]{prepareInterceptor}); return new SqlSessionTemplate(sqlSessionFactoryBean.getObject()); } } 

dao中创建BaseDao继承DaoPageExtend（分页实现），行级数据访问、

2.然后创建一个base包，

#--------demo dataSource config-------- demo.uniqueResourceName=demoDataSource demo.xaDataSourceClassName=com.mysql.cj.jdbc.MysqlXADataSource demo.xaUrl=jdbc:mysql://127.0.0.1:3306/demo_db?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=UTC demo.xaUser=root demo.xaPassword=root demo.minPoolSize=10 demo.maxPoolSize=200 demo.borrowConnectionTimeout=30 demo.testQuery=select 1 demo.maintenanceInterval=60 #demo mybatis demo.dialect=mysql demo.stmtIdRegex=*Paging #demo mybatis cfg demo.mybatis.configLocation=mybatis/demo/mybatis-config.xml demo.mybatis.mapperLocations=/mybatis/demo/mapper/*/*.xml

package com.cjhme.demo.impl.base.config; import java.util.Properties; import javax.annotation.Resource; import javax.sql.DataSource; import org.apache.ibatis.plugin.Interceptor; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.SqlSessionTemplate; 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 org.springframework.core.io.ClassPathResource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.ResourcePatternResolver; import com.cjhme.system.impl.base.mybatis.interceptor.PrepareInterceptor; /** * * <p> * Title: MyBatisConfig.java * </p> * Description: mybatis配置 * <p> * Modify histoty: * * @author cjh * @version 1.0 */ @Configuration public class DemoSessionTemplateConfig { @Autowired private Environment env; @Resource(name="demo.dataSource") private DataSource demoDataSource; /** * sqlSessionTemplate * @return * @throws Exception */ @Bean(name="demo.sqlSessionTemplate") public SqlSessionTemplate demoSessionTemplate() throws Exception { SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean(); sqlSessionFactoryBean.setConfigLocation(new ClassPathResource(env.getProperty("demo.mybatis.configLocation"))); PathMatchingResourcePatternResolver pathMatchingResourcePatternResolver = new PathMatchingResourcePatternResolver(); String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + env.getProperty("demo.mybatis.mapperLocations"); sqlSessionFactoryBean.setMapperLocations(pathMatchingResourcePatternResolver.getResources(packageSearchPath)); sqlSessionFactoryBean.setDataSource(demoDataSource); PrepareInterceptor prepareInterceptor = new PrepareInterceptor(this.env); Properties properties=new Properties(); properties.setProperty("dialect",env.getProperty("demo.dialect")); properties.setProperty("stmtIdRegex",env.getProperty("demo.stmtIdRegex")); prepareInterceptor.setProperties(properties); sqlSessionFactoryBean.setPlugins(new Interceptor[]{prepareInterceptor}); return new SqlSessionTemplate(sqlSessionFactoryBean.getObject()); } } 

4.config中创建sessionTemplate，