多数据源 ibatis.binding.BindingException Invalid bound statement - ToB企服应用市场:ToB评测及商务社交产业平台

org.apache.ibatis.binding.BindingException: Invalid bound statement (not found)

复制代码

<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
</resources>
</build>

复制代码

@SpringBootApplication(exclude = MybatisAutoConfiguration.class)

复制代码

package com.****.****.Configurer;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import javax.sql.DataSource;
@Configuration
@MapperScan(basePackages = {"com.***.***.Mapper.ds1"}, sqlSessionFactoryRef = "ds1SqlSessionFactory")
public class MybatisDS1Config {
@Bean(name = "ds1DataSource")
@ConfigurationProperties(prefix = "spring.datasource.ds1")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}
/**
* 配置事务管理器，不然事务不起作用
*
* @return
*/
@Bean
public PlatformTransactionManager transactionManagerDS1() {
return new DataSourceTransactionManager(this.dataSource());
}
@Primary
@Bean(name = "ds1SqlSessionFactory")
public SqlSessionFactoryBean ds1sqlSessionFactory(@Qualifier("ds1DataSource") DataSource dataSource) throws Exception {
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
sqlSessionFactoryBean.setDataSource(dataSource);
sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver()
.getResources("classpath*:mapping/ds1/*.xml"));
sqlSessionFactoryBean.setTypeAliasesPackage("com.***.***.Entity");
sqlSessionFactoryBean.getObject().getConfiguration().setMapUnderscoreToCamelCase(true);
return sqlSessionFactoryBean;
/**
* 这里在applications.properties里面配置了
* mybatis.type-aliases-package=com.jwt.springboot.dao
* mybatis.mapper-locations=classpath:mapper/*Mapper.xml
* 但多数据源情况下执行sql总会报：org.apache.ibatis.binding.BindingException:
* Invalid bound statement (not found)........
* 原因是 this.mapperLocations 为null
*
* 注！！！！这里有大坑，因为这里是自定义的sqlSessionFactoryBean，所以导致
* 没有启动时没有通过org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration
* 类的sqlSessionFactory(DataSource dataSource)方法自动装配sqlSessionFactoryBean
* 自定义的sqlSessionFactoryBean所以也没设置mapperLocations
* 故自定义实例化sqlSessionFactoryBean这里需要手动设置mapperLocations
* 可参考：https://developer.aliyun.com/article/754124
*/
}
}

复制代码

package com.***.***.Configurer;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import javax.sql.DataSource;
@Configuration
@MapperScan(basePackages = "com.***.***.Mapper.ds2", sqlSessionFactoryRef = "ds2SqlSessionFactory")
public class MybatisDS2Config {
@Bean(name = "ds2DataSource")
@ConfigurationProperties(prefix = "spring.datasource.ds2")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}
/**
* 配置事务管理器，不然事务不起作用
*
* @return
*/
@Bean
public PlatformTransactionManager transactionManagerDS2() {
return new DataSourceTransactionManager(this.dataSource());
}
@Bean("ds2SqlSessionFactory")
public SqlSessionFactory ds2sqlSessionFactory(@Qualifier("ds2DataSource") DataSource dataSource) throws Exception {
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
sqlSessionFactoryBean.setDataSource(dataSource);
sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver()
.getResources("classpath*:mapping/ds2/*.xml"));
sqlSessionFactoryBean.setTypeAliasesPackage("com.***.***.Entity");
sqlSessionFactoryBean.getObject().getConfiguration().setMapUnderscoreToCamelCase(true);
return sqlSessionFactoryBean.getObject();
}
}

复制代码

spring:
datasource:
ds1: #主数据库，生产数据库
username: ***
password: ***
#url中database为对应的数据库名称 //数据库名字
jdbc-url: jdbc:mysql://***:3306/crmdb?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC
driver-class-name: com.mysql.cj.jdbc.Driver
ds2: #从数据库，分析数据库
username: ***
password: ***
#url中database为对应的数据库名称 //数据库名字
jdbc-url: jdbc:mysql://***:3306/jmsns?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC
driver-class-name: com.mysql.cj.jdbc.Driver

复制代码

new PathMatchingResourcePatternResolver().getResources("classpath*:mapping/ds2/*.xml"));

复制代码

new ClassPathResource[]{new ClassPathResource("/mapping/ds1/UserMapper.xml")}

复制代码